root/include/trace/events/btrfs.h
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM btrfs

#if !defined(_TRACE_BTRFS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_BTRFS_H

#include <linux/writeback.h>
#include <linux/tracepoint.h>
#include <trace/events/mmflags.h>

struct btrfs_root;
struct btrfs_fs_info;
struct btrfs_inode;
struct extent_map;
struct btrfs_file_extent_item;
struct btrfs_ordered_extent;
struct btrfs_delayed_ref_node;
struct btrfs_delayed_ref_head;
struct btrfs_block_group;
struct btrfs_free_cluster;
struct btrfs_chunk_map;
struct extent_buffer;
struct btrfs_work;
struct btrfs_workqueue;
struct btrfs_qgroup_extent_record;
struct btrfs_qgroup;
struct extent_io_tree;
struct prelim_ref;
struct btrfs_space_info;
struct btrfs_raid_bio;
struct raid56_bio_trace_info;
struct find_free_extent_ctl;

#define show_ref_type(type)                                             \
        __print_symbolic(type,                                          \
                { BTRFS_TREE_BLOCK_REF_KEY,     "TREE_BLOCK_REF" },     \
                { BTRFS_EXTENT_DATA_REF_KEY,    "EXTENT_DATA_REF" },    \
                { BTRFS_SHARED_BLOCK_REF_KEY,   "SHARED_BLOCK_REF" },   \
                { BTRFS_SHARED_DATA_REF_KEY,    "SHARED_DATA_REF" })

#define __show_root_type(obj)                                           \
        __print_symbolic_u64(obj,                                       \
                { BTRFS_ROOT_TREE_OBJECTID,     "ROOT_TREE"     },      \
                { BTRFS_EXTENT_TREE_OBJECTID,   "EXTENT_TREE"   },      \
                { BTRFS_CHUNK_TREE_OBJECTID,    "CHUNK_TREE"    },      \
                { BTRFS_DEV_TREE_OBJECTID,      "DEV_TREE"      },      \
                { BTRFS_FS_TREE_OBJECTID,       "FS_TREE"       },      \
                { BTRFS_ROOT_TREE_DIR_OBJECTID, "ROOT_TREE_DIR" },      \
                { BTRFS_CSUM_TREE_OBJECTID,     "CSUM_TREE"     },      \
                { BTRFS_TREE_LOG_OBJECTID,      "TREE_LOG"      },      \
                { BTRFS_QUOTA_TREE_OBJECTID,    "QUOTA_TREE"    },      \
                { BTRFS_TREE_RELOC_OBJECTID,    "TREE_RELOC"    },      \
                { BTRFS_UUID_TREE_OBJECTID,     "UUID_TREE"     },      \
                { BTRFS_FREE_SPACE_TREE_OBJECTID, "FREE_SPACE_TREE" },  \
                { BTRFS_BLOCK_GROUP_TREE_OBJECTID, "BLOCK_GROUP_TREE" },\
                { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })

#define show_root_type(obj)                                             \
        obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||                \
              (obj >= BTRFS_ROOT_TREE_OBJECTID &&                       \
               obj <= BTRFS_QUOTA_TREE_OBJECTID)) ? __show_root_type(obj) : "-"

#define FLUSH_ACTIONS                                                           \
        EM( BTRFS_RESERVE_NO_FLUSH,             "BTRFS_RESERVE_NO_FLUSH")       \
        EM( BTRFS_RESERVE_FLUSH_LIMIT,          "BTRFS_RESERVE_FLUSH_LIMIT")    \
        EM( BTRFS_RESERVE_FLUSH_ALL,            "BTRFS_RESERVE_FLUSH_ALL")      \
        EMe(BTRFS_RESERVE_FLUSH_ALL_STEAL,      "BTRFS_RESERVE_FLUSH_ALL_STEAL")

#define FI_TYPES                                                        \
        EM( BTRFS_FILE_EXTENT_INLINE,           "INLINE")               \
        EM( BTRFS_FILE_EXTENT_REG,              "REG")                  \
        EMe(BTRFS_FILE_EXTENT_PREALLOC,         "PREALLOC")

#define QGROUP_RSV_TYPES                                                \
        EM( BTRFS_QGROUP_RSV_DATA,              "DATA")                 \
        EM( BTRFS_QGROUP_RSV_META_PERTRANS,     "META_PERTRANS")        \
        EMe(BTRFS_QGROUP_RSV_META_PREALLOC,     "META_PREALLOC")

#define IO_TREE_OWNER                                               \
        EM( IO_TREE_FS_PINNED_EXTENTS,    "PINNED_EXTENTS")         \
        EM( IO_TREE_FS_EXCLUDED_EXTENTS,  "EXCLUDED_EXTENTS")       \
        EM( IO_TREE_BTREE_INODE_IO,       "BTREE_INODE_IO")         \
        EM( IO_TREE_INODE_IO,             "INODE_IO")               \
        EM( IO_TREE_RELOC_BLOCKS,         "RELOC_BLOCKS")           \
        EM( IO_TREE_TRANS_DIRTY_PAGES,    "TRANS_DIRTY_PAGES")      \
        EM( IO_TREE_ROOT_DIRTY_LOG_PAGES, "ROOT_DIRTY_LOG_PAGES")   \
        EM( IO_TREE_INODE_FILE_EXTENT,    "INODE_FILE_EXTENT")      \
        EM( IO_TREE_LOG_CSUM_RANGE,       "LOG_CSUM_RANGE")         \
        EMe(IO_TREE_SELFTEST,             "SELFTEST")

#define FLUSH_STATES                                                    \
        EM( FLUSH_DELAYED_ITEMS_NR,     "FLUSH_DELAYED_ITEMS_NR")       \
        EM( FLUSH_DELAYED_ITEMS,        "FLUSH_DELAYED_ITEMS")          \
        EM( FLUSH_DELALLOC,             "FLUSH_DELALLOC")               \
        EM( FLUSH_DELALLOC_WAIT,        "FLUSH_DELALLOC_WAIT")          \
        EM( FLUSH_DELALLOC_FULL,        "FLUSH_DELALLOC_FULL")          \
        EM( FLUSH_DELAYED_REFS_NR,      "FLUSH_DELAYED_REFS_NR")        \
        EM( FLUSH_DELAYED_REFS,         "FLUSH_DELAYED_REFS")           \
        EM( ALLOC_CHUNK,                "ALLOC_CHUNK")                  \
        EM( ALLOC_CHUNK_FORCE,          "ALLOC_CHUNK_FORCE")            \
        EM( RUN_DELAYED_IPUTS,          "RUN_DELAYED_IPUTS")            \
        EM( COMMIT_TRANS,               "COMMIT_TRANS")                 \
        EMe(RESET_ZONES,                "RESET_ZONES")

/*
 * First define the enums in the above macros to be exported to userspace via
 * TRACE_DEFINE_ENUM().
 */

#undef EM
#undef EMe
#define EM(a, b)        TRACE_DEFINE_ENUM(a);
#define EMe(a, b)       TRACE_DEFINE_ENUM(a);

FLUSH_ACTIONS
FI_TYPES
QGROUP_RSV_TYPES
IO_TREE_OWNER
FLUSH_STATES

/*
 * Now redefine the EM and EMe macros to map the enums to the strings that will
 * be printed in the output
 */

#undef EM
#undef EMe
#define EM(a, b)        {a, b},
#define EMe(a, b)       {a, b}


#define BTRFS_GROUP_FLAGS       \
        { BTRFS_BLOCK_GROUP_DATA,       "DATA"},        \
        { BTRFS_BLOCK_GROUP_SYSTEM,     "SYSTEM"},      \
        { BTRFS_BLOCK_GROUP_METADATA,   "METADATA"},    \
        { BTRFS_BLOCK_GROUP_RAID0,      "RAID0"},       \
        { BTRFS_BLOCK_GROUP_RAID1,      "RAID1"},       \
        { BTRFS_BLOCK_GROUP_DUP,        "DUP"},         \
        { BTRFS_BLOCK_GROUP_RAID10,     "RAID10"},      \
        { BTRFS_BLOCK_GROUP_RAID5,      "RAID5"},       \
        { BTRFS_BLOCK_GROUP_RAID6,      "RAID6"}

#define EXTENT_FLAGS                                            \
        { EXTENT_DIRTY,                 "DIRTY"},               \
        { EXTENT_LOCKED,                "LOCKED"},              \
        { EXTENT_DIRTY_LOG1,            "DIRTY_LOG1"},          \
        { EXTENT_DIRTY_LOG2,            "DIRTY_LOG2"},          \
        { EXTENT_DELALLOC,              "DELALLOC"},            \
        { EXTENT_DEFRAG,                "DEFRAG"},              \
        { EXTENT_BOUNDARY,              "BOUNDARY"},            \
        { EXTENT_NODATASUM,             "NODATASUM"},           \
        { EXTENT_CLEAR_META_RESV,       "CLEAR_META_RESV"},     \
        { EXTENT_NEED_WAIT,             "NEED_WAIT"},           \
        { EXTENT_NORESERVE,             "NORESERVE"},           \
        { EXTENT_QGROUP_RESERVED,       "QGROUP_RESERVED"},     \
        { EXTENT_CLEAR_DATA_RESV,       "CLEAR_DATA_RESV"},     \
        { EXTENT_DELALLOC_NEW,          "DELALLOC_NEW"}

#define BTRFS_FSID_SIZE 16
#define TP_STRUCT__entry_fsid __array(u8, fsid, BTRFS_FSID_SIZE)

#define TP_fast_assign_fsid(fs_info)                                    \
({                                                                      \
        if (fs_info)                                                    \
                memcpy(__entry->fsid, fs_info->fs_devices->fsid,        \
                       BTRFS_FSID_SIZE);                                \
        else                                                            \
                memset(__entry->fsid, 0, BTRFS_FSID_SIZE);              \
})

#define TP_STRUCT__entry_btrfs(args...)                                 \
        TP_STRUCT__entry(                                               \
                TP_STRUCT__entry_fsid                                   \
                args)
#define TP_fast_assign_btrfs(fs_info, args...)                          \
        TP_fast_assign(                                                 \
                TP_fast_assign_fsid(fs_info);                           \
                args)
#define TP_printk_btrfs(fmt, args...) \
        TP_printk("%pU: " fmt, __entry->fsid, args)

TRACE_EVENT(btrfs_transaction_commit,

        TP_PROTO(const struct btrfs_fs_info *fs_info),

        TP_ARGS(fs_info),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  generation                )
                __field(        u64,  root_objectid             )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->generation     = fs_info->generation;
                __entry->root_objectid  = BTRFS_ROOT_TREE_OBJECTID;
        ),

        TP_printk_btrfs("root=%llu(%s) gen=%llu",
                  show_root_type(__entry->root_objectid),
                  __entry->generation)
);

DECLARE_EVENT_CLASS(btrfs__inode,

        TP_PROTO(const struct inode *inode),

        TP_ARGS(inode),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  ino                       )
                __field(        u64,  blocks                    )
                __field(        u64,  disk_i_size               )
                __field(        u64,  generation                )
                __field(        u64,  last_trans                )
                __field(        u64,  logged_trans              )
                __field(        u64,  root_objectid             )
        ),

        TP_fast_assign_btrfs(btrfs_sb(inode->i_sb),
                __entry->ino    = btrfs_ino(BTRFS_I(inode));
                __entry->blocks = inode->i_blocks;
                __entry->disk_i_size  = BTRFS_I(inode)->disk_i_size;
                __entry->generation = BTRFS_I(inode)->generation;
                __entry->last_trans = BTRFS_I(inode)->last_trans;
                __entry->logged_trans = BTRFS_I(inode)->logged_trans;
                __entry->root_objectid = BTRFS_I(inode)->root ?
                                         btrfs_root_id(BTRFS_I(inode)->root) : 0;
        ),

        TP_printk_btrfs("root=%llu(%s) gen=%llu ino=%llu blocks=%llu "
                  "disk_i_size=%llu last_trans=%llu logged_trans=%llu",
                  show_root_type(__entry->root_objectid),
                  __entry->generation,
                  __entry->ino,
                  __entry->blocks,
                  __entry->disk_i_size,
                  __entry->last_trans,
                  __entry->logged_trans)
);

DEFINE_EVENT(btrfs__inode, btrfs_inode_new,

        TP_PROTO(const struct inode *inode),

        TP_ARGS(inode)
);

DEFINE_EVENT(btrfs__inode, btrfs_inode_request,

        TP_PROTO(const struct inode *inode),

        TP_ARGS(inode)
);

DEFINE_EVENT(btrfs__inode, btrfs_inode_evict,

        TP_PROTO(const struct inode *inode),

        TP_ARGS(inode)
);

#define __show_map_type(type)                                           \
        __print_symbolic_u64(type,                                      \
                { EXTENT_MAP_LAST_BYTE, "LAST_BYTE"     },              \
                { EXTENT_MAP_HOLE,      "HOLE"          },              \
                { EXTENT_MAP_INLINE,    "INLINE"        })

#define show_map_type(type)                     \
        type, (type >= EXTENT_MAP_LAST_BYTE) ? "-" :  __show_map_type(type)

#define show_map_flags(flag)                                            \
        __print_flags(flag, "|",                                        \
                { EXTENT_FLAG_PINNED,           "PINNED"        },\
                { EXTENT_FLAG_COMPRESS_ZLIB,    "COMPRESS_ZLIB" },\
                { EXTENT_FLAG_COMPRESS_LZO,     "COMPRESS_LZO"  },\
                { EXTENT_FLAG_COMPRESS_ZSTD,    "COMPRESS_ZSTD" },\
                { EXTENT_FLAG_PREALLOC,         "PREALLOC"      },\
                { EXTENT_FLAG_LOGGING,          "LOGGING"       })

TRACE_EVENT_CONDITION(btrfs_get_extent,

        TP_PROTO(const struct btrfs_root *root, const struct btrfs_inode *inode,
                 const struct extent_map *map),

        TP_ARGS(root, inode, map),

        TP_CONDITION(map),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  root_objectid     )
                __field(        u64,  ino               )
                __field(        u64,  start             )
                __field(        u64,  len               )
                __field(        u32,  flags             )
                __field(        int,  refs              )
        ),

        TP_fast_assign_btrfs(root->fs_info,
                __entry->root_objectid  = btrfs_root_id(root);
                __entry->ino            = btrfs_ino(inode);
                __entry->start          = map->start;
                __entry->len            = map->len;
                __entry->flags          = map->flags;
                __entry->refs           = refcount_read(&map->refs);
        ),

        TP_printk_btrfs("root=%llu(%s) ino=%llu start=%llu len=%llu flags=%s refs=%u",
                  show_root_type(__entry->root_objectid),
                  __entry->ino,
                  __entry->start,
                  __entry->len,
                  show_map_flags(__entry->flags),
                  __entry->refs)
);

TRACE_EVENT(btrfs_handle_em_exist,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                const struct extent_map *existing, const struct extent_map *map,
                u64 start, u64 len),

        TP_ARGS(fs_info, existing, map, start, len),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  e_start           )
                __field(        u64,  e_len             )
                __field(        u64,  map_start         )
                __field(        u64,  map_len           )
                __field(        u64,  start             )
                __field(        u64,  len               )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->e_start        = existing->start;
                __entry->e_len          = existing->len;
                __entry->map_start      = map->start;
                __entry->map_len        = map->len;
                __entry->start          = start;
                __entry->len            = len;
        ),

        TP_printk_btrfs("start=%llu len=%llu "
                  "existing(start=%llu len=%llu) "
                  "em(start=%llu len=%llu)",
                  __entry->start,
                  __entry->len,
                  __entry->e_start,
                  __entry->e_len,
                  __entry->map_start,
                  __entry->map_len)
);

/* file extent item */
DECLARE_EVENT_CLASS(btrfs__file_extent_item_regular,

        TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
                 const struct btrfs_file_extent_item *fi, u64 start),

        TP_ARGS(bi, l, fi, start),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    root_obj        )
                __field(        u64,    ino             )
                __field(        loff_t, isize           )
                __field(        u64,    disk_isize      )
                __field(        u64,    num_bytes       )
                __field(        u64,    ram_bytes       )
                __field(        u64,    disk_bytenr     )
                __field(        u64,    disk_num_bytes  )
                __field(        u64,    extent_offset   )
                __field(        u8,     extent_type     )
                __field(        u8,     compression     )
                __field(        u64,    extent_start    )
                __field(        u64,    extent_end      )
        ),

        TP_fast_assign_btrfs(bi->root->fs_info,
                __entry->root_obj       = btrfs_root_id(bi->root);
                __entry->ino            = btrfs_ino(bi);
                __entry->isize          = bi->vfs_inode.i_size;
                __entry->disk_isize     = bi->disk_i_size;
                __entry->num_bytes      = btrfs_file_extent_num_bytes(l, fi);
                __entry->ram_bytes      = btrfs_file_extent_ram_bytes(l, fi);
                __entry->disk_bytenr    = btrfs_file_extent_disk_bytenr(l, fi);
                __entry->disk_num_bytes = btrfs_file_extent_disk_num_bytes(l, fi);
                __entry->extent_offset  = btrfs_file_extent_offset(l, fi);
                __entry->extent_type    = btrfs_file_extent_type(l, fi);
                __entry->compression    = btrfs_file_extent_compression(l, fi);
                __entry->extent_start   = start;
                __entry->extent_end     = (start + __entry->num_bytes);
        ),

        TP_printk_btrfs(
                "root=%llu(%s) inode=%llu size=%llu disk_isize=%llu "
                "file extent range=[%llu %llu] "
                "(num_bytes=%llu ram_bytes=%llu disk_bytenr=%llu "
                "disk_num_bytes=%llu extent_offset=%llu type=%s "
                "compression=%u",
                show_root_type(__entry->root_obj), __entry->ino,
                __entry->isize,
                __entry->disk_isize, __entry->extent_start,
                __entry->extent_end, __entry->num_bytes, __entry->ram_bytes,
                __entry->disk_bytenr, __entry->disk_num_bytes,
                __entry->extent_offset, __print_symbolic(__entry->extent_type, FI_TYPES),
                __entry->compression)
);

DECLARE_EVENT_CLASS(
        btrfs__file_extent_item_inline,

        TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
                 const struct btrfs_file_extent_item *fi, int slot, u64 start),

        TP_ARGS(bi, l, fi, slot,  start),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    root_obj        )
                __field(        u64,    ino             )
                __field(        loff_t, isize           )
                __field(        u64,    disk_isize      )
                __field(        u8,     extent_type     )
                __field(        u8,     compression     )
                __field(        u64,    extent_start    )
                __field(        u64,    extent_end      )
        ),

        TP_fast_assign_btrfs(
                bi->root->fs_info,
                __entry->root_obj       = btrfs_root_id(bi->root);
                __entry->ino            = btrfs_ino(bi);
                __entry->isize          = bi->vfs_inode.i_size;
                __entry->disk_isize     = bi->disk_i_size;
                __entry->extent_type    = btrfs_file_extent_type(l, fi);
                __entry->compression    = btrfs_file_extent_compression(l, fi);
                __entry->extent_start   = start;
                __entry->extent_end     = (start + btrfs_file_extent_ram_bytes(l, fi));
        ),

        TP_printk_btrfs(
                "root=%llu(%s) inode=%llu size=%llu disk_isize=%llu "
                "file extent range=[%llu %llu] "
                "extent_type=%s compression=%u",
                show_root_type(__entry->root_obj), __entry->ino, __entry->isize,
                __entry->disk_isize, __entry->extent_start,
                __entry->extent_end, __print_symbolic(__entry->extent_type, FI_TYPES),
                __entry->compression)
);

DEFINE_EVENT(
        btrfs__file_extent_item_regular, btrfs_get_extent_show_fi_regular,

        TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
                 const struct btrfs_file_extent_item *fi, u64 start),

        TP_ARGS(bi, l, fi, start)
);

DEFINE_EVENT(
        btrfs__file_extent_item_regular, btrfs_truncate_show_fi_regular,

        TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
                 const struct btrfs_file_extent_item *fi, u64 start),

        TP_ARGS(bi, l, fi, start)
);

DEFINE_EVENT(
        btrfs__file_extent_item_inline, btrfs_get_extent_show_fi_inline,

        TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
                 const struct btrfs_file_extent_item *fi, int slot, u64 start),

        TP_ARGS(bi, l, fi, slot, start)
);

DEFINE_EVENT(
        btrfs__file_extent_item_inline, btrfs_truncate_show_fi_inline,

        TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
                 const struct btrfs_file_extent_item *fi, int slot, u64 start),

        TP_ARGS(bi, l, fi, slot, start)
);

#define show_ordered_flags(flags)                                          \
        __print_flags(flags, "|",                                          \
                { (1 << BTRFS_ORDERED_REGULAR),         "REGULAR"       }, \
                { (1 << BTRFS_ORDERED_NOCOW),           "NOCOW"         }, \
                { (1 << BTRFS_ORDERED_PREALLOC),        "PREALLOC"      }, \
                { (1 << BTRFS_ORDERED_COMPRESSED),      "COMPRESSED"    }, \
                { (1 << BTRFS_ORDERED_DIRECT),          "DIRECT"        }, \
                { (1 << BTRFS_ORDERED_IO_DONE),         "IO_DONE"       }, \
                { (1 << BTRFS_ORDERED_COMPLETE),        "COMPLETE"      }, \
                { (1 << BTRFS_ORDERED_IOERR),           "IOERR"         }, \
                { (1 << BTRFS_ORDERED_TRUNCATED),       "TRUNCATED"     })


DECLARE_EVENT_CLASS(btrfs__ordered_extent,

        TP_PROTO(const struct btrfs_inode *inode,
                 const struct btrfs_ordered_extent *ordered),

        TP_ARGS(inode, ordered),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  ino               )
                __field(        u64,  file_offset       )
                __field(        u64,  start             )
                __field(        u64,  len               )
                __field(        u64,  disk_len          )
                __field(        u64,  bytes_left        )
                __field(        unsigned long,  flags   )
                __field(        int,  compress_type     )
                __field(        int,  refs              )
                __field(        u64,  root_objectid     )
                __field(        u64,  truncated_len     )
        ),

        TP_fast_assign_btrfs(inode->root->fs_info,
                __entry->ino            = btrfs_ino(inode);
                __entry->file_offset    = ordered->file_offset;
                __entry->start          = ordered->disk_bytenr;
                __entry->len            = ordered->num_bytes;
                __entry->disk_len       = ordered->disk_num_bytes;
                __entry->bytes_left     = ordered->bytes_left;
                __entry->flags          = ordered->flags;
                __entry->compress_type  = ordered->compress_type;
                __entry->refs           = refcount_read(&ordered->refs);
                __entry->root_objectid  = btrfs_root_id(inode->root);
                __entry->truncated_len  = ordered->truncated_len;
        ),

        TP_printk_btrfs("root=%llu(%s) ino=%llu file_offset=%llu "
                  "start=%llu len=%llu disk_len=%llu "
                  "truncated_len=%llu "
                  "bytes_left=%llu flags=%s compress_type=%d "
                  "refs=%d",
                  show_root_type(__entry->root_objectid),
                  __entry->ino,
                  __entry->file_offset,
                  __entry->start,
                  __entry->len,
                  __entry->disk_len,
                  __entry->truncated_len,
                  __entry->bytes_left,
                  show_ordered_flags(__entry->flags),
                  __entry->compress_type, __entry->refs)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_add,

        TP_PROTO(const struct btrfs_inode *inode,
                 const struct btrfs_ordered_extent *ordered),

        TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_remove,

        TP_PROTO(const struct btrfs_inode *inode,
                 const struct btrfs_ordered_extent *ordered),

        TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_start,

        TP_PROTO(const struct btrfs_inode *inode,
                 const struct btrfs_ordered_extent *ordered),

        TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_put,

        TP_PROTO(const struct btrfs_inode *inode,
                 const struct btrfs_ordered_extent *ordered),

        TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_lookup,

             TP_PROTO(const struct btrfs_inode *inode,
                      const struct btrfs_ordered_extent *ordered),

             TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_lookup_range,

             TP_PROTO(const struct btrfs_inode *inode,
                      const struct btrfs_ordered_extent *ordered),

             TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_lookup_first_range,

             TP_PROTO(const struct btrfs_inode *inode,
                      const struct btrfs_ordered_extent *ordered),

             TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_lookup_for_logging,

             TP_PROTO(const struct btrfs_inode *inode,
                      const struct btrfs_ordered_extent *ordered),

             TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_lookup_first,

             TP_PROTO(const struct btrfs_inode *inode,
                      const struct btrfs_ordered_extent *ordered),

             TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_split,

             TP_PROTO(const struct btrfs_inode *inode,
                      const struct btrfs_ordered_extent *ordered),

             TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_dec_test_pending,

             TP_PROTO(const struct btrfs_inode *inode,
                      const struct btrfs_ordered_extent *ordered),

             TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_mark_finished,

             TP_PROTO(const struct btrfs_inode *inode,
                      const struct btrfs_ordered_extent *ordered),

             TP_ARGS(inode, ordered)
);

TRACE_EVENT(btrfs_finish_ordered_extent,

        TP_PROTO(const struct btrfs_inode *inode, u64 start, u64 len,
                 bool uptodate),

        TP_ARGS(inode, start, len, uptodate),

        TP_STRUCT__entry_btrfs(
                __field(        u64,     ino            )
                __field(        u64,     start          )
                __field(        u64,     len            )
                __field(        bool,    uptodate       )
                __field(        u64,     root_objectid  )
        ),

        TP_fast_assign_btrfs(inode->root->fs_info,
                __entry->ino    = btrfs_ino(inode);
                __entry->start  = start;
                __entry->len    = len;
                __entry->uptodate = uptodate;
                __entry->root_objectid = btrfs_root_id(inode->root);
        ),

        TP_printk_btrfs("root=%llu(%s) ino=%llu start=%llu len=%llu uptodate=%d",
                  show_root_type(__entry->root_objectid),
                  __entry->ino, __entry->start,
                  __entry->len, !!__entry->uptodate)
);

DECLARE_EVENT_CLASS(btrfs__writepage,

        TP_PROTO(const struct folio *folio, const struct inode *inode,
                 const struct writeback_control *wbc),

        TP_ARGS(folio, inode, wbc),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    ino                     )
                __field(        pgoff_t,  index                 )
                __field(        long,   nr_to_write             )
                __field(        long,   pages_skipped           )
                __field(        loff_t, range_start             )
                __field(        loff_t, range_end               )
                __field(        char,   for_kupdate             )
                __field(        char,   range_cyclic            )
                __field(        unsigned long,  writeback_index )
                __field(        u64,    root_objectid           )
        ),

        TP_fast_assign_btrfs(btrfs_sb(inode->i_sb),
                __entry->ino            = btrfs_ino(BTRFS_I(inode));
                __entry->index          = folio->index;
                __entry->nr_to_write    = wbc->nr_to_write;
                __entry->pages_skipped  = wbc->pages_skipped;
                __entry->range_start    = wbc->range_start;
                __entry->range_end      = wbc->range_end;
                __entry->for_kupdate    = wbc->for_kupdate;
                __entry->range_cyclic   = wbc->range_cyclic;
                __entry->writeback_index = inode->i_mapping->writeback_index;
                __entry->root_objectid  = btrfs_root_id(BTRFS_I(inode)->root);
        ),

        TP_printk_btrfs("root=%llu(%s) ino=%llu page_index=%lu "
                  "nr_to_write=%ld pages_skipped=%ld range_start=%llu "
                  "range_end=%llu for_kupdate=%d "
                  "range_cyclic=%d writeback_index=%lu",
                  show_root_type(__entry->root_objectid),
                  __entry->ino, __entry->index,
                  __entry->nr_to_write, __entry->pages_skipped,
                  __entry->range_start, __entry->range_end,
                  __entry->for_kupdate, __entry->range_cyclic,
                  __entry->writeback_index)
);

DEFINE_EVENT(btrfs__writepage, extent_writepage,

        TP_PROTO(const struct folio *folio, const struct inode *inode,
                 const struct writeback_control *wbc),

        TP_ARGS(folio, inode, wbc)
);

TRACE_EVENT(btrfs_writepage_end_io_hook,

        TP_PROTO(const struct btrfs_inode *inode, u64 start, u64 end,
                 int uptodate),

        TP_ARGS(inode, start, end, uptodate),

        TP_STRUCT__entry_btrfs(
                __field(        u64,     ino            )
                __field(        u64,     start          )
                __field(        u64,     end            )
                __field(        int,     uptodate       )
                __field(        u64,    root_objectid   )
        ),

        TP_fast_assign_btrfs(inode->root->fs_info,
                __entry->ino    = btrfs_ino(inode);
                __entry->start  = start;
                __entry->end    = end;
                __entry->uptodate = uptodate;
                __entry->root_objectid = btrfs_root_id(inode->root);
        ),

        TP_printk_btrfs("root=%llu(%s) ino=%llu start=%llu end=%llu uptodate=%d",
                  show_root_type(__entry->root_objectid),
                  __entry->ino, __entry->start,
                  __entry->end, __entry->uptodate)
);

TRACE_EVENT(btrfs_sync_file,

        TP_PROTO(const struct file *file, int datasync),

        TP_ARGS(file, datasync),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    ino             )
                __field(        u64,    parent          )
                __field(        int,    datasync        )
                __field(        u64,    root_objectid   )
        ),

        TP_fast_assign(
                struct dentry *dentry = file_dentry(file);
                struct inode *inode = file_inode(file);
                struct dentry *parent = dget_parent(dentry);
                struct inode *parent_inode = d_inode(parent);

                dput(parent);
                TP_fast_assign_fsid(btrfs_sb(inode->i_sb));
                __entry->ino            = btrfs_ino(BTRFS_I(inode));
                __entry->parent         = btrfs_ino(BTRFS_I(parent_inode));
                __entry->datasync       = datasync;
                __entry->root_objectid  = btrfs_root_id(BTRFS_I(inode)->root);
        ),

        TP_printk_btrfs("root=%llu(%s) ino=%llu parent=%llu datasync=%d",
                  show_root_type(__entry->root_objectid),
                  __entry->ino,
                  __entry->parent,
                  __entry->datasync)
);

TRACE_EVENT(btrfs_sync_fs,

        TP_PROTO(const struct btrfs_fs_info *fs_info, int wait),

        TP_ARGS(fs_info, wait),

        TP_STRUCT__entry_btrfs(
                __field(        int,  wait              )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->wait   = wait;
        ),

        TP_printk_btrfs("wait=%d", __entry->wait)
);

TRACE_EVENT(btrfs_add_block_group,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_block_group *block_group, int create),

        TP_ARGS(fs_info, block_group, create),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    offset                  )
                __field(        u64,    size                    )
                __field(        u64,    flags                   )
                __field(        u64,    bytes_used              )
                __field(        u64,    bytes_super             )
                __field(        int,    create                  )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->offset         = block_group->start;
                __entry->size           = block_group->length;
                __entry->flags          = block_group->flags;
                __entry->bytes_used     = block_group->used;
                __entry->bytes_super    = block_group->bytes_super;
                __entry->create         = create;
        ),

        TP_printk_btrfs("block_group offset=%llu size=%llu "
                  "flags=%llu(%s) bytes_used=%llu bytes_super=%llu "
                  "create=%d",
                  __entry->offset,
                  __entry->size,
                  __entry->flags,
                  __print_flags((unsigned long)__entry->flags, "|",
                                BTRFS_GROUP_FLAGS),
                  __entry->bytes_used,
                  __entry->bytes_super, __entry->create)
);

#define show_ref_action(action)                                         \
        __print_symbolic(action,                                        \
                { BTRFS_ADD_DELAYED_REF,    "ADD_DELAYED_REF" },        \
                { BTRFS_DROP_DELAYED_REF,   "DROP_DELAYED_REF" },       \
                { BTRFS_ADD_DELAYED_EXTENT, "ADD_DELAYED_EXTENT" },     \
                { BTRFS_UPDATE_DELAYED_HEAD, "UPDATE_DELAYED_HEAD" })
                        

DECLARE_EVENT_CLASS(btrfs_delayed_tree_ref,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_delayed_ref_node *ref),

        TP_ARGS(fs_info, ref),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  bytenr            )
                __field(        u64,  num_bytes         )
                __field(        int,  action            ) 
                __field(        u64,  parent            )
                __field(        u64,  ref_root          )
                __field(        int,  level             )
                __field(        int,  type              )
                __field(        u64,  seq               )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->bytenr         = ref->bytenr;
                __entry->num_bytes      = ref->num_bytes;
                __entry->action         = ref->action;
                __entry->parent         = ref->parent;
                __entry->ref_root       = ref->ref_root;
                __entry->level          = ref->tree_ref.level;
                __entry->type           = ref->type;
                __entry->seq            = ref->seq;
        ),

        TP_printk_btrfs("bytenr=%llu num_bytes=%llu action=%s "
                  "parent=%llu(%s) ref_root=%llu(%s) level=%d "
                  "type=%s seq=%llu",
                  __entry->bytenr,
                  __entry->num_bytes,
                  show_ref_action(__entry->action),
                  show_root_type(__entry->parent),
                  show_root_type(__entry->ref_root),
                  __entry->level, show_ref_type(__entry->type),
                  __entry->seq)
);

DEFINE_EVENT(btrfs_delayed_tree_ref,  add_delayed_tree_ref,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_delayed_ref_node *ref),

        TP_ARGS(fs_info, ref)
);

DEFINE_EVENT(btrfs_delayed_tree_ref,  run_delayed_tree_ref,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_delayed_ref_node *ref),

        TP_ARGS(fs_info, ref)
);

DECLARE_EVENT_CLASS(btrfs_delayed_data_ref,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_delayed_ref_node *ref),

        TP_ARGS(fs_info, ref),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  bytenr            )
                __field(        u64,  num_bytes         )
                __field(        int,  action            ) 
                __field(        u64,  parent            )
                __field(        u64,  ref_root          )
                __field(        u64,  owner             )
                __field(        u64,  offset            )
                __field(        int,  type              )
                __field(        u64,  seq               )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->bytenr         = ref->bytenr;
                __entry->num_bytes      = ref->num_bytes;
                __entry->action         = ref->action;
                __entry->parent         = ref->parent;
                __entry->ref_root       = ref->ref_root;
                __entry->owner          = ref->data_ref.objectid;
                __entry->offset         = ref->data_ref.offset;
                __entry->type           = ref->type;
                __entry->seq            = ref->seq;
        ),

        TP_printk_btrfs("bytenr=%llu num_bytes=%llu action=%s "
                  "parent=%llu(%s) ref_root=%llu(%s) owner=%llu "
                  "offset=%llu type=%s seq=%llu",
                  __entry->bytenr,
                  __entry->num_bytes,
                  show_ref_action(__entry->action),
                  show_root_type(__entry->parent),
                  show_root_type(__entry->ref_root),
                  __entry->owner,
                  __entry->offset,
                  show_ref_type(__entry->type),
                  __entry->seq)
);

DEFINE_EVENT(btrfs_delayed_data_ref,  add_delayed_data_ref,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_delayed_ref_node *ref),

        TP_ARGS(fs_info, ref)
);

DEFINE_EVENT(btrfs_delayed_data_ref,  run_delayed_data_ref,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_delayed_ref_node *ref),

        TP_ARGS(fs_info, ref)
);

DECLARE_EVENT_CLASS(btrfs_delayed_ref_head,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_delayed_ref_head *head_ref,
                 int action),

        TP_ARGS(fs_info, head_ref, action),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  bytenr            )
                __field(        u64,  num_bytes         )
                __field(        int,  action            ) 
                __field(        int,  is_data           )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->bytenr         = head_ref->bytenr;
                __entry->num_bytes      = head_ref->num_bytes;
                __entry->action         = action;
                __entry->is_data        = head_ref->is_data;
        ),

        TP_printk_btrfs("bytenr=%llu num_bytes=%llu action=%s is_data=%d",
                  __entry->bytenr,
                  __entry->num_bytes,
                  show_ref_action(__entry->action),
                  __entry->is_data)
);

DEFINE_EVENT(btrfs_delayed_ref_head,  add_delayed_ref_head,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_delayed_ref_head *head_ref,
                 int action),

        TP_ARGS(fs_info, head_ref, action)
);

DEFINE_EVENT(btrfs_delayed_ref_head,  run_delayed_ref_head,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_delayed_ref_head *head_ref,
                 int action),

        TP_ARGS(fs_info, head_ref, action)
);

#define show_chunk_type(type)                                   \
        __print_flags(type, "|",                                \
                { BTRFS_BLOCK_GROUP_DATA,       "DATA"  },      \
                { BTRFS_BLOCK_GROUP_SYSTEM,     "SYSTEM"},      \
                { BTRFS_BLOCK_GROUP_METADATA,   "METADATA"},    \
                { BTRFS_BLOCK_GROUP_RAID0,      "RAID0" },      \
                { BTRFS_BLOCK_GROUP_RAID1,      "RAID1" },      \
                { BTRFS_BLOCK_GROUP_DUP,        "DUP"   },      \
                { BTRFS_BLOCK_GROUP_RAID10,     "RAID10"},      \
                { BTRFS_BLOCK_GROUP_RAID5,      "RAID5" },      \
                { BTRFS_BLOCK_GROUP_RAID6,      "RAID6" })

DECLARE_EVENT_CLASS(btrfs__chunk,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_chunk_map *map, u64 offset, u64 size),

        TP_ARGS(fs_info, map, offset, size),

        TP_STRUCT__entry_btrfs(
                __field(        int,  num_stripes               )
                __field(        u64,  type                      )
                __field(        int,  sub_stripes               )
                __field(        u64,  offset                    )
                __field(        u64,  size                      )
                __field(        u64,  root_objectid             )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->num_stripes    = map->num_stripes;
                __entry->type           = map->type;
                __entry->sub_stripes    = map->sub_stripes;
                __entry->offset         = offset;
                __entry->size           = size;
                __entry->root_objectid  = btrfs_root_id(fs_info->chunk_root);
        ),

        TP_printk_btrfs("root=%llu(%s) offset=%llu size=%llu "
                  "num_stripes=%d sub_stripes=%d type=%s",
                  show_root_type(__entry->root_objectid),
                  __entry->offset,
                  __entry->size,
                  __entry->num_stripes, __entry->sub_stripes,
                  show_chunk_type(__entry->type))
);

DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_alloc,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_chunk_map *map, u64 offset, u64 size),

        TP_ARGS(fs_info, map, offset, size)
);

DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_free,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_chunk_map *map, u64 offset, u64 size),

        TP_ARGS(fs_info, map, offset, size)
);

TRACE_EVENT(btrfs_cow_block,

        TP_PROTO(const struct btrfs_root *root, const struct extent_buffer *buf,
                 const struct extent_buffer *cow),

        TP_ARGS(root, buf, cow),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  root_objectid             )
                __field(        u64,  buf_start                 )
                __field(        int,  refs                      )
                __field(        u64,  cow_start                 )
                __field(        int,  buf_level                 )
                __field(        int,  cow_level                 )
        ),

        TP_fast_assign_btrfs(root->fs_info,
                __entry->root_objectid  = btrfs_root_id(root);
                __entry->buf_start      = buf->start;
                __entry->refs           = refcount_read(&buf->refs);
                __entry->cow_start      = cow->start;
                __entry->buf_level      = btrfs_header_level(buf);
                __entry->cow_level      = btrfs_header_level(cow);
        ),

        TP_printk_btrfs("root=%llu(%s) refs=%d orig_buf=%llu "
                  "(orig_level=%d) cow_buf=%llu (cow_level=%d)",
                  show_root_type(__entry->root_objectid),
                  __entry->refs,
                  __entry->buf_start,
                  __entry->buf_level,
                  __entry->cow_start,
                  __entry->cow_level)
);

TRACE_EVENT(btrfs_space_reservation,

        TP_PROTO(const struct btrfs_fs_info *fs_info, const char *type, u64 val,
                 u64 bytes, int reserve),

        TP_ARGS(fs_info, type, val, bytes, reserve),

        TP_STRUCT__entry_btrfs(
                __string(       type,   type                    )
                __field(        u64,    val                     )
                __field(        u64,    bytes                   )
                __field(        int,    reserve                 )
        ),

        TP_fast_assign_btrfs(fs_info,
                __assign_str(type);
                __entry->val            = val;
                __entry->bytes          = bytes;
                __entry->reserve        = reserve;
        ),

        TP_printk_btrfs("%s: %llu %s %llu", __get_str(type), __entry->val,
                        __entry->reserve ? "reserve" : "release",
                        __entry->bytes)
);

TRACE_EVENT(btrfs_trigger_flush,

        TP_PROTO(const struct btrfs_fs_info *fs_info, u64 flags, u64 bytes,
                 int flush, const char *reason),

        TP_ARGS(fs_info, flags, bytes, flush, reason),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    flags                   )
                __field(        u64,    bytes                   )
                __field(        int,    flush                   )
                __string(       reason, reason                  )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->flags  = flags;
                __entry->bytes  = bytes;
                __entry->flush  = flush;
                __assign_str(reason);
        ),

        TP_printk_btrfs("%s: flush=%d(%s) flags=%llu(%s) bytes=%llu",
                  __get_str(reason), __entry->flush,
                  __print_symbolic(__entry->flush, FLUSH_ACTIONS),
                  __entry->flags,
                  __print_flags((unsigned long)__entry->flags, "|",
                                BTRFS_GROUP_FLAGS),
                  __entry->bytes)
);


TRACE_EVENT(btrfs_flush_space,

        TP_PROTO(const struct btrfs_fs_info *fs_info, u64 flags, u64 num_bytes,
                 int state, int ret, bool for_preempt),

        TP_ARGS(fs_info, flags, num_bytes, state, ret, for_preempt),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    flags                   )
                __field(        u64,    num_bytes               )
                __field(        int,    state                   )
                __field(        int,    ret                     )
                __field(       bool,    for_preempt             )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->flags          =       flags;
                __entry->num_bytes      =       num_bytes;
                __entry->state          =       state;
                __entry->ret            =       ret;
                __entry->for_preempt    =       for_preempt;
        ),

        TP_printk_btrfs("state=%d(%s) flags=%llu(%s) num_bytes=%llu ret=%d for_preempt=%d",
                  __entry->state,
                  __print_symbolic(__entry->state, FLUSH_STATES),
                  __entry->flags,
                  __print_flags((unsigned long)__entry->flags, "|",
                                BTRFS_GROUP_FLAGS),
                  __entry->num_bytes, __entry->ret, __entry->for_preempt)
);

DECLARE_EVENT_CLASS(btrfs__reserved_extent,

        TP_PROTO(const struct btrfs_fs_info *fs_info, u64 start, u64 len),

        TP_ARGS(fs_info, start, len),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  start                     )
                __field(        u64,  len                       )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->start          = start;
                __entry->len            = len;
        ),

        TP_printk_btrfs("root=%llu(%s) start=%llu len=%llu",
                  show_root_type(BTRFS_EXTENT_TREE_OBJECTID),
                  __entry->start,
                  __entry->len)
);

DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_alloc,

        TP_PROTO(const struct btrfs_fs_info *fs_info, u64 start, u64 len),

        TP_ARGS(fs_info, start, len)
);

DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_free,

        TP_PROTO(const struct btrfs_fs_info *fs_info, u64 start, u64 len),

        TP_ARGS(fs_info, start, len)
);

TRACE_EVENT(btrfs_find_free_extent,

        TP_PROTO(const struct btrfs_root *root,
                 const struct find_free_extent_ctl *ffe_ctl),

        TP_ARGS(root, ffe_ctl),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    root_objectid           )
                __field(        u64,    num_bytes               )
                __field(        u64,    empty_size              )
                __field(        u64,    flags                   )
        ),

        TP_fast_assign_btrfs(root->fs_info,
                __entry->root_objectid  = btrfs_root_id(root);
                __entry->num_bytes      = ffe_ctl->num_bytes;
                __entry->empty_size     = ffe_ctl->empty_size;
                __entry->flags          = ffe_ctl->flags;
        ),

        TP_printk_btrfs("root=%llu(%s) len=%llu empty_size=%llu flags=%llu(%s)",
                  show_root_type(__entry->root_objectid),
                  __entry->num_bytes, __entry->empty_size, __entry->flags,
                  __print_flags((unsigned long)__entry->flags, "|",
                                 BTRFS_GROUP_FLAGS))
);

TRACE_EVENT(btrfs_find_free_extent_search_loop,

        TP_PROTO(const struct btrfs_root *root,
                 const struct find_free_extent_ctl *ffe_ctl),

        TP_ARGS(root, ffe_ctl),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    root_objectid           )
                __field(        u64,    num_bytes               )
                __field(        u64,    empty_size              )
                __field(        u64,    flags                   )
                __field(        u64,    loop                    )
        ),

        TP_fast_assign_btrfs(root->fs_info,
                __entry->root_objectid  = btrfs_root_id(root);
                __entry->num_bytes      = ffe_ctl->num_bytes;
                __entry->empty_size     = ffe_ctl->empty_size;
                __entry->flags          = ffe_ctl->flags;
                __entry->loop           = ffe_ctl->loop;
        ),

        TP_printk_btrfs("root=%llu(%s) len=%llu empty_size=%llu flags=%llu(%s) loop=%llu",
                  show_root_type(__entry->root_objectid),
                  __entry->num_bytes, __entry->empty_size, __entry->flags,
                  __print_flags((unsigned long)__entry->flags, "|", BTRFS_GROUP_FLAGS),
                  __entry->loop)
);

TRACE_EVENT(btrfs_find_free_extent_have_block_group,

        TP_PROTO(const struct btrfs_root *root,
                 const struct find_free_extent_ctl *ffe_ctl,
                 const struct btrfs_block_group *block_group),

        TP_ARGS(root, ffe_ctl, block_group),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    root_objectid           )
                __field(        u64,    num_bytes               )
                __field(        u64,    empty_size              )
                __field(        u64,    flags                   )
                __field(        u64,    loop                    )
                __field(        bool,   hinted                  )
                __field(        u64,    bg_start                )
                __field(        u64,    bg_flags                )
        ),

        TP_fast_assign_btrfs(root->fs_info,
                __entry->root_objectid  = btrfs_root_id(root);
                __entry->num_bytes      = ffe_ctl->num_bytes;
                __entry->empty_size     = ffe_ctl->empty_size;
                __entry->flags          = ffe_ctl->flags;
                __entry->loop           = ffe_ctl->loop;
                __entry->hinted         = ffe_ctl->hinted;
                __entry->bg_start       = block_group->start;
                __entry->bg_flags       = block_group->flags;
        ),

        TP_printk_btrfs(
"root=%llu(%s) len=%llu empty_size=%llu flags=%llu(%s) loop=%llu hinted=%d block_group=%llu bg_flags=%llu(%s)",
                  show_root_type(__entry->root_objectid),
                  __entry->num_bytes, __entry->empty_size, __entry->flags,
                  __print_flags((unsigned long)__entry->flags, "|", BTRFS_GROUP_FLAGS),
                  __entry->loop, __entry->hinted,
                  __entry->bg_start, __entry->bg_flags,
                  __print_flags((unsigned long)__entry->bg_flags, "|",
                                 BTRFS_GROUP_FLAGS))
);

DECLARE_EVENT_CLASS(btrfs__reserve_extent,

        TP_PROTO(const struct btrfs_block_group *block_group,
                 const struct find_free_extent_ctl *ffe_ctl),

        TP_ARGS(block_group, ffe_ctl),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    bg_objectid             )
                __field(        u64,    flags                   )
                __field(        int,    bg_size_class           )
                __field(        u64,    start                   )
                __field(        u64,    len                     )
                __field(        u64,    loop                    )
                __field(        bool,   hinted                  )
                __field(        int,    size_class              )
        ),

        TP_fast_assign_btrfs(block_group->fs_info,
                __entry->bg_objectid    = block_group->start;
                __entry->flags          = block_group->flags;
                __entry->bg_size_class  = block_group->size_class;
                __entry->start          = ffe_ctl->search_start;
                __entry->len            = ffe_ctl->num_bytes;
                __entry->loop           = ffe_ctl->loop;
                __entry->hinted         = ffe_ctl->hinted;
                __entry->size_class     = ffe_ctl->size_class;
        ),

        TP_printk_btrfs(
"root=%llu(%s) block_group=%llu flags=%llu(%s) bg_size_class=%d start=%llu len=%llu loop=%llu hinted=%d size_class=%d",
                  show_root_type(BTRFS_EXTENT_TREE_OBJECTID),
                  __entry->bg_objectid,
                  __entry->flags, __print_flags((unsigned long)__entry->flags,
                                                "|", BTRFS_GROUP_FLAGS),
                  __entry->bg_size_class, __entry->start, __entry->len,
                  __entry->loop, __entry->hinted, __entry->size_class)
);

DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent,

        TP_PROTO(const struct btrfs_block_group *block_group,
                 const struct find_free_extent_ctl *ffe_ctl),

        TP_ARGS(block_group, ffe_ctl)
);

DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent_cluster,

        TP_PROTO(const struct btrfs_block_group *block_group,
                 const struct find_free_extent_ctl *ffe_ctl),

        TP_ARGS(block_group, ffe_ctl)
);

TRACE_EVENT(btrfs_find_cluster,

        TP_PROTO(const struct btrfs_block_group *block_group, u64 start,
                 u64 bytes, u64 empty_size, u64 min_bytes),

        TP_ARGS(block_group, start, bytes, empty_size, min_bytes),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    bg_objectid             )
                __field(        u64,    flags                   )
                __field(        u64,    start                   )
                __field(        u64,    bytes                   )
                __field(        u64,    empty_size              )
                __field(        u64,    min_bytes               )
        ),

        TP_fast_assign_btrfs(block_group->fs_info,
                __entry->bg_objectid    = block_group->start;
                __entry->flags          = block_group->flags;
                __entry->start          = start;
                __entry->bytes          = bytes;
                __entry->empty_size     = empty_size;
                __entry->min_bytes      = min_bytes;
        ),

        TP_printk_btrfs("block_group=%llu flags=%llu(%s) start=%llu len=%llu "
                  "empty_size=%llu min_bytes=%llu", __entry->bg_objectid,
                  __entry->flags,
                  __print_flags((unsigned long)__entry->flags, "|",
                                BTRFS_GROUP_FLAGS), __entry->start,
                  __entry->bytes, __entry->empty_size,  __entry->min_bytes)
);

TRACE_EVENT(btrfs_failed_cluster_setup,

        TP_PROTO(const struct btrfs_block_group *block_group),

        TP_ARGS(block_group),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    bg_objectid             )
        ),

        TP_fast_assign_btrfs(block_group->fs_info,
                __entry->bg_objectid    = block_group->start;
        ),

        TP_printk_btrfs("block_group=%llu", __entry->bg_objectid)
);

TRACE_EVENT(btrfs_setup_cluster,

        TP_PROTO(const struct btrfs_block_group *block_group,
                 const struct btrfs_free_cluster *cluster,
                 u64 size, int bitmap),

        TP_ARGS(block_group, cluster, size, bitmap),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    bg_objectid             )
                __field(        u64,    flags                   )
                __field(        u64,    start                   )
                __field(        u64,    max_size                )
                __field(        u64,    size                    )
                __field(        int,    bitmap                  )
        ),

        TP_fast_assign_btrfs(block_group->fs_info,
                __entry->bg_objectid    = block_group->start;
                __entry->flags          = block_group->flags;
                __entry->start          = cluster->window_start;
                __entry->max_size       = cluster->max_size;
                __entry->size           = size;
                __entry->bitmap         = bitmap;
        ),

        TP_printk_btrfs("block_group=%llu flags=%llu(%s) window_start=%llu "
                  "size=%llu max_size=%llu bitmap=%d",
                  __entry->bg_objectid,
                  __entry->flags,
                  __print_flags((unsigned long)__entry->flags, "|",
                                BTRFS_GROUP_FLAGS), __entry->start,
                  __entry->size, __entry->max_size, __entry->bitmap)
);

struct extent_state;
TRACE_EVENT(btrfs_alloc_extent_state,

        TP_PROTO(const struct extent_state *state,
                 gfp_t mask, unsigned long IP),

        TP_ARGS(state, mask, IP),

        TP_STRUCT__entry(
                __field(const struct extent_state *, state)
                __field(unsigned long, mask)
                __field(const void*, ip)
        ),

        TP_fast_assign(
                __entry->state  = state,
                __entry->mask   = (__force unsigned long)mask,
                __entry->ip     = (const void *)IP
        ),

        TP_printk("state=%p mask=%s caller=%pS", __entry->state,
                  show_gfp_flags(__entry->mask), __entry->ip)
);

TRACE_EVENT(btrfs_free_extent_state,

        TP_PROTO(const struct extent_state *state, unsigned long IP),

        TP_ARGS(state, IP),

        TP_STRUCT__entry(
                __field(const struct extent_state *, state)
                __field(const void*, ip)
        ),

        TP_fast_assign(
                __entry->state  = state,
                __entry->ip = (const void *)IP
        ),

        TP_printk("state=%p caller=%pS", __entry->state, __entry->ip)
);

DECLARE_EVENT_CLASS(btrfs__work,

        TP_PROTO(const struct btrfs_work *work),

        TP_ARGS(work),

        TP_STRUCT__entry_btrfs(
                __field(        const void *,   work                    )
                __field(        const void *,   wq                      )
                __field(        const void *,   func                    )
                __field(        const void *,   ordered_func            )
                __field(        const void *,   normal_work             )
        ),

        TP_fast_assign_btrfs(btrfs_work_owner(work),
                __entry->work           = work;
                __entry->wq             = work->wq;
                __entry->func           = work->func;
                __entry->ordered_func   = work->ordered_func;
                __entry->normal_work    = &work->normal_work;
        ),

        TP_printk_btrfs("work=%p (normal_work=%p) wq=%p func=%ps ordered_func=%p",
                  __entry->work, __entry->normal_work, __entry->wq,
                   __entry->func, __entry->ordered_func)
);

/*
 * For situations when the work is freed, we pass fs_info and a tag that matches
 * the address of the work structure so it can be paired with the scheduling
 * event. DO NOT add anything here that dereferences wtag.
 */
DECLARE_EVENT_CLASS(btrfs__work__done,

        TP_PROTO(const struct btrfs_fs_info *fs_info, const void *wtag),

        TP_ARGS(fs_info, wtag),

        TP_STRUCT__entry_btrfs(
                __field(        const void *,   wtag                    )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->wtag           = wtag;
        ),

        TP_printk_btrfs("work->%p", __entry->wtag)
);

DEFINE_EVENT(btrfs__work, btrfs_work_queued,

        TP_PROTO(const struct btrfs_work *work),

        TP_ARGS(work)
);

DEFINE_EVENT(btrfs__work, btrfs_work_sched,

        TP_PROTO(const struct btrfs_work *work),

        TP_ARGS(work)
);

DEFINE_EVENT(btrfs__work__done, btrfs_all_work_done,

        TP_PROTO(const struct btrfs_fs_info *fs_info, const void *wtag),

        TP_ARGS(fs_info, wtag)
);

DEFINE_EVENT(btrfs__work, btrfs_ordered_sched,

        TP_PROTO(const struct btrfs_work *work),

        TP_ARGS(work)
);

DECLARE_EVENT_CLASS(btrfs_workqueue,

        TP_PROTO(const struct btrfs_workqueue *wq, const char *name),

        TP_ARGS(wq, name),

        TP_STRUCT__entry_btrfs(
                __field(        const void *,   wq                      )
                __string(       name,   name                    )
        ),

        TP_fast_assign_btrfs(btrfs_workqueue_owner(wq),
                __entry->wq             = wq;
                __assign_str(name);
        ),

        TP_printk_btrfs("name=%s wq=%p", __get_str(name),
                  __entry->wq)
);

DEFINE_EVENT(btrfs_workqueue, btrfs_workqueue_alloc,

        TP_PROTO(const struct btrfs_workqueue *wq, const char *name),

        TP_ARGS(wq, name)
);

DECLARE_EVENT_CLASS(btrfs_workqueue_done,

        TP_PROTO(const struct btrfs_workqueue *wq),

        TP_ARGS(wq),

        TP_STRUCT__entry_btrfs(
                __field(        const void *,   wq              )
        ),

        TP_fast_assign_btrfs(btrfs_workqueue_owner(wq),
                __entry->wq             = wq;
        ),

        TP_printk_btrfs("wq=%p", __entry->wq)
);

DEFINE_EVENT(btrfs_workqueue_done, btrfs_workqueue_destroy,

        TP_PROTO(const struct btrfs_workqueue *wq),

        TP_ARGS(wq)
);

#define BTRFS_QGROUP_OPERATIONS                         \
        { QGROUP_RESERVE,       "reserve"       },      \
        { QGROUP_RELEASE,       "release"       },      \
        { QGROUP_FREE,          "free"          }

DECLARE_EVENT_CLASS(btrfs__qgroup_rsv_data,

        TP_PROTO(const struct inode *inode, u64 start, u64 len,
                 u64 reserved, int op),

        TP_ARGS(inode, start, len, reserved, op),

        TP_STRUCT__entry_btrfs(
                __field(        u64,            rootid          )
                __field(        u64,            ino             )
                __field(        u64,            start           )
                __field(        u64,            len             )
                __field(        u64,            reserved        )
                __field(        int,            op              )
        ),

        TP_fast_assign_btrfs(btrfs_sb(inode->i_sb),
                __entry->rootid         = btrfs_root_id(BTRFS_I(inode)->root);
                __entry->ino            = btrfs_ino(BTRFS_I(inode));
                __entry->start          = start;
                __entry->len            = len;
                __entry->reserved       = reserved;
                __entry->op             = op;
        ),

        TP_printk_btrfs("root=%llu ino=%llu start=%llu len=%llu reserved=%llu op=%s",
                  __entry->rootid, __entry->ino, __entry->start, __entry->len,
                  __entry->reserved,
                  __print_flags((unsigned long)__entry->op, "",
                                BTRFS_QGROUP_OPERATIONS)
        )
);

DEFINE_EVENT(btrfs__qgroup_rsv_data, btrfs_qgroup_reserve_data,

        TP_PROTO(const struct inode *inode, u64 start, u64 len,
                 u64 reserved, int op),

        TP_ARGS(inode, start, len, reserved, op)
);

DEFINE_EVENT(btrfs__qgroup_rsv_data, btrfs_qgroup_release_data,

        TP_PROTO(const struct inode *inode, u64 start, u64 len,
                 u64 reserved, int op),

        TP_ARGS(inode, start, len, reserved, op)
);

DECLARE_EVENT_CLASS(btrfs_qgroup_extent,
        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_qgroup_extent_record *rec,
                 u64 bytenr),

        TP_ARGS(fs_info, rec, bytenr),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  bytenr            )
                __field(        u64,  num_bytes         )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->bytenr         = bytenr;
                __entry->num_bytes      = rec->num_bytes;
        ),

        TP_printk_btrfs("bytenr=%llu num_bytes=%llu",
                  __entry->bytenr, __entry->num_bytes)
);

DEFINE_EVENT(btrfs_qgroup_extent, btrfs_qgroup_account_extents,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_qgroup_extent_record *rec,
                 u64 bytenr),

        TP_ARGS(fs_info, rec, bytenr)
);

DEFINE_EVENT(btrfs_qgroup_extent, btrfs_qgroup_trace_extent,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_qgroup_extent_record *rec,
                 u64 bytenr),

        TP_ARGS(fs_info, rec, bytenr)
);

TRACE_EVENT(btrfs_qgroup_num_dirty_extents,

        TP_PROTO(const struct btrfs_fs_info *fs_info, u64 transid,
                 u64 num_dirty_extents),

        TP_ARGS(fs_info, transid, num_dirty_extents),

        TP_STRUCT__entry_btrfs(
                __field(        u64, transid                    )
                __field(        u64, num_dirty_extents          )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->transid           = transid;
                __entry->num_dirty_extents = num_dirty_extents;
        ),

        TP_printk_btrfs("transid=%llu num_dirty_extents=%llu",
                __entry->transid, __entry->num_dirty_extents)
);

TRACE_EVENT(btrfs_qgroup_account_extent,

        TP_PROTO(const struct btrfs_fs_info *fs_info, u64 transid, u64 bytenr,
                 u64 num_bytes, u64 nr_old_roots, u64 nr_new_roots),

        TP_ARGS(fs_info, transid, bytenr, num_bytes, nr_old_roots,
                nr_new_roots),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  transid                   )
                __field(        u64,  bytenr                    )
                __field(        u64,  num_bytes                 )
                __field(        u64,  nr_old_roots              )
                __field(        u64,  nr_new_roots              )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->transid        = transid;
                __entry->bytenr         = bytenr;
                __entry->num_bytes      = num_bytes;
                __entry->nr_old_roots   = nr_old_roots;
                __entry->nr_new_roots   = nr_new_roots;
        ),

        TP_printk_btrfs(
"transid=%llu bytenr=%llu num_bytes=%llu nr_old_roots=%llu nr_new_roots=%llu",
                __entry->transid,
                __entry->bytenr,
                __entry->num_bytes,
                __entry->nr_old_roots,
                __entry->nr_new_roots)
);

TRACE_EVENT(btrfs_qgroup_update_counters,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_qgroup *qgroup,
                 u64 cur_old_count, u64 cur_new_count),

        TP_ARGS(fs_info, qgroup, cur_old_count, cur_new_count),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  qgid                      )
                __field(        u64,  old_rfer                  )
                __field(        u64,  old_excl                  )
                __field(        u64,  cur_old_count             )
                __field(        u64,  cur_new_count             )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->qgid           = qgroup->qgroupid;
                __entry->old_rfer       = qgroup->rfer;
                __entry->old_excl       = qgroup->excl;
                __entry->cur_old_count  = cur_old_count;
                __entry->cur_new_count  = cur_new_count;
        ),

        TP_printk_btrfs("qgid=%llu old_rfer=%llu old_excl=%llu cur_old_count=%llu cur_new_count=%llu",
                  __entry->qgid, __entry->old_rfer, __entry->old_excl,
                  __entry->cur_old_count, __entry->cur_new_count)
);

TRACE_EVENT(btrfs_qgroup_update_reserve,

        TP_PROTO(const struct btrfs_fs_info *fs_info, const struct btrfs_qgroup *qgroup,
                 s64 diff, int type),

        TP_ARGS(fs_info, qgroup, diff, type),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    qgid                    )
                __field(        u64,    cur_reserved            )
                __field(        s64,    diff                    )
                __field(        int,    type                    )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->qgid           = qgroup->qgroupid;
                __entry->cur_reserved   = qgroup->rsv.values[type];
                __entry->diff           = diff;
                __entry->type           = type;
        ),

        TP_printk_btrfs("qgid=%llu type=%s cur_reserved=%llu diff=%lld",
                __entry->qgid, __print_symbolic(__entry->type, QGROUP_RSV_TYPES),
                __entry->cur_reserved, __entry->diff)
);

TRACE_EVENT(btrfs_qgroup_meta_reserve,

        TP_PROTO(const struct btrfs_root *root, s64 diff, int type),

        TP_ARGS(root, diff, type),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    refroot                 )
                __field(        s64,    diff                    )
                __field(        int,    type                    )
        ),

        TP_fast_assign_btrfs(root->fs_info,
                __entry->refroot        = btrfs_root_id(root);
                __entry->diff           = diff;
                __entry->type           = type;
        ),

        TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld",
                show_root_type(__entry->refroot),
                __print_symbolic(__entry->type, QGROUP_RSV_TYPES), __entry->diff)
);

TRACE_EVENT(btrfs_qgroup_meta_convert,

        TP_PROTO(const struct btrfs_root *root, s64 diff),

        TP_ARGS(root, diff),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    refroot                 )
                __field(        s64,    diff                    )
        ),

        TP_fast_assign_btrfs(root->fs_info,
                __entry->refroot        = btrfs_root_id(root);
                __entry->diff           = diff;
        ),

        TP_printk_btrfs("refroot=%llu(%s) type=%s->%s diff=%lld",
                show_root_type(__entry->refroot),
                __print_symbolic(BTRFS_QGROUP_RSV_META_PREALLOC, QGROUP_RSV_TYPES),
                __print_symbolic(BTRFS_QGROUP_RSV_META_PERTRANS, QGROUP_RSV_TYPES),
                __entry->diff)
);

TRACE_EVENT(btrfs_qgroup_meta_free_all_pertrans,

        TP_PROTO(struct btrfs_root *root),

        TP_ARGS(root),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    refroot                 )
                __field(        s64,    diff                    )
                __field(        int,    type                    )
        ),

        TP_fast_assign_btrfs(root->fs_info,
                __entry->refroot        = btrfs_root_id(root);
                spin_lock(&root->qgroup_meta_rsv_lock);
                __entry->diff           = -(s64)root->qgroup_meta_rsv_pertrans;
                spin_unlock(&root->qgroup_meta_rsv_lock);
                __entry->type           = BTRFS_QGROUP_RSV_META_PERTRANS;
        ),

        TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld",
                show_root_type(__entry->refroot),
                __print_symbolic(__entry->type, QGROUP_RSV_TYPES), __entry->diff)
);

DECLARE_EVENT_CLASS(btrfs__prelim_ref,
        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct prelim_ref *oldref,
                 const struct prelim_ref *newref, u64 tree_size),
        TP_ARGS(fs_info, oldref, newref, tree_size),

        TP_STRUCT__entry_btrfs(
                __field(        u64,  root_id           )
                __field(        u64,  objectid          )
                __field(         u8,  type              )
                __field(        u64,  offset            )
                __field(        int,  level             )
                __field(        int,  old_count         )
                __field(        u64,  parent            )
                __field(        u64,  bytenr            )
                __field(        int,  mod_count         )
                __field(        u64,  tree_size         )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->root_id        = oldref->root_id;
                __entry->objectid       = oldref->key_for_search.objectid;
                __entry->type           = oldref->key_for_search.type;
                __entry->offset         = oldref->key_for_search.offset;
                __entry->level          = oldref->level;
                __entry->old_count      = oldref->count;
                __entry->parent         = oldref->parent;
                __entry->bytenr         = oldref->wanted_disk_byte;
                __entry->mod_count      = newref ? newref->count : 0;
                __entry->tree_size      = tree_size;
        ),

        TP_printk_btrfs("root_id=%llu key=[%llu,%u,%llu] level=%d count=[%d+%d=%d] parent=%llu wanted_disk_byte=%llu nodes=%llu",
                        __entry->root_id,
                        __entry->objectid, __entry->type,
                        __entry->offset, __entry->level,
                        __entry->old_count, __entry->mod_count,
                        __entry->old_count + __entry->mod_count,
                        __entry->parent,
                        __entry->bytenr,
                        __entry->tree_size)
);

DEFINE_EVENT(btrfs__prelim_ref, btrfs_prelim_ref_merge,
        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct prelim_ref *oldref,
                 const struct prelim_ref *newref, u64 tree_size),
        TP_ARGS(fs_info, oldref, newref, tree_size)
);

DEFINE_EVENT(btrfs__prelim_ref, btrfs_prelim_ref_insert,
        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct prelim_ref *oldref,
                 const struct prelim_ref *newref, u64 tree_size),
        TP_ARGS(fs_info, oldref, newref, tree_size)
);

TRACE_EVENT(btrfs_inode_mod_outstanding_extents,
        TP_PROTO(const struct btrfs_root *root, u64 ino, int mod, unsigned outstanding),

        TP_ARGS(root, ino, mod, outstanding),

        TP_STRUCT__entry_btrfs(
                __field(        u64, root_objectid      )
                __field(        u64, ino                )
                __field(        int, mod                )
                __field(        unsigned, outstanding   )
        ),

        TP_fast_assign_btrfs(root->fs_info,
                __entry->root_objectid  = btrfs_root_id(root);
                __entry->ino            = ino;
                __entry->mod            = mod;
                __entry->outstanding    = outstanding;
        ),

        TP_printk_btrfs("root=%llu(%s) ino=%llu mod=%d outstanding=%u",
                        show_root_type(__entry->root_objectid),
                        __entry->ino, __entry->mod, __entry->outstanding)
);

DECLARE_EVENT_CLASS(btrfs__block_group,
        TP_PROTO(const struct btrfs_block_group *bg_cache),

        TP_ARGS(bg_cache),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    bytenr          )
                __field(        u64,    len             )
                __field(        u64,    used            )
                __field(        u64,    flags           )
        ),

        TP_fast_assign_btrfs(bg_cache->fs_info,
                __entry->bytenr = bg_cache->start,
                __entry->len    = bg_cache->length,
                __entry->used   = bg_cache->used;
                __entry->flags  = bg_cache->flags;
        ),

        TP_printk_btrfs("bg bytenr=%llu len=%llu used=%llu flags=%llu(%s)",
                __entry->bytenr, __entry->len, __entry->used, __entry->flags,
                __print_flags(__entry->flags, "|", BTRFS_GROUP_FLAGS))
);

DEFINE_EVENT(btrfs__block_group, btrfs_remove_block_group,
        TP_PROTO(const struct btrfs_block_group *bg_cache),

        TP_ARGS(bg_cache)
);

DEFINE_EVENT(btrfs__block_group, btrfs_add_unused_block_group,
        TP_PROTO(const struct btrfs_block_group *bg_cache),

        TP_ARGS(bg_cache)
);

DEFINE_EVENT(btrfs__block_group, btrfs_add_reclaim_block_group,
        TP_PROTO(const struct btrfs_block_group *bg_cache),

        TP_ARGS(bg_cache)
);

DEFINE_EVENT(btrfs__block_group, btrfs_reclaim_block_group,
        TP_PROTO(const struct btrfs_block_group *bg_cache),

        TP_ARGS(bg_cache)
);

DEFINE_EVENT(btrfs__block_group, btrfs_skip_unused_block_group,
        TP_PROTO(const struct btrfs_block_group *bg_cache),

        TP_ARGS(bg_cache)
);

TRACE_EVENT(btrfs_set_extent_bit,
        TP_PROTO(const struct extent_io_tree *tree,
                 u64 start, u64 len, unsigned set_bits),

        TP_ARGS(tree, start, len, set_bits),

        TP_STRUCT__entry_btrfs(
                __field(        unsigned,       owner   )
                __field(        u64,            ino     )
                __field(        u64,            rootid  )
                __field(        u64,            start   )
                __field(        u64,            len     )
                __field(        unsigned,       set_bits)
        ),

        TP_fast_assign_btrfs(btrfs_extent_io_tree_to_fs_info(tree),
                const struct btrfs_inode *inode = btrfs_extent_io_tree_to_inode(tree);

                __entry->owner          = tree->owner;
                __entry->ino            = inode ? btrfs_ino(inode) : 0;
                __entry->rootid         = inode ? btrfs_root_id(inode->root) : 0;
                __entry->start          = start;
                __entry->len            = len;
                __entry->set_bits       = set_bits;
        ),

        TP_printk_btrfs(
                "io_tree=%s ino=%llu root=%llu start=%llu len=%llu set_bits=%s",
                __print_symbolic(__entry->owner, IO_TREE_OWNER), __entry->ino,
                __entry->rootid, __entry->start, __entry->len,
                __print_flags(__entry->set_bits, "|", EXTENT_FLAGS))
);

TRACE_EVENT(btrfs_clear_extent_bit,
        TP_PROTO(const struct extent_io_tree *tree,
                 u64 start, u64 len, unsigned clear_bits),

        TP_ARGS(tree, start, len, clear_bits),

        TP_STRUCT__entry_btrfs(
                __field(        unsigned,       owner   )
                __field(        u64,            ino     )
                __field(        u64,            rootid  )
                __field(        u64,            start   )
                __field(        u64,            len     )
                __field(        unsigned,       clear_bits)
        ),

        TP_fast_assign_btrfs(btrfs_extent_io_tree_to_fs_info(tree),
                const struct btrfs_inode *inode = btrfs_extent_io_tree_to_inode(tree);

                __entry->owner          = tree->owner;
                __entry->ino            = inode ? btrfs_ino(inode) : 0;
                __entry->rootid         = inode ? btrfs_root_id(inode->root) : 0;
                __entry->start          = start;
                __entry->len            = len;
                __entry->clear_bits     = clear_bits;
        ),

        TP_printk_btrfs(
                "io_tree=%s ino=%llu root=%llu start=%llu len=%llu clear_bits=%s",
                __print_symbolic(__entry->owner, IO_TREE_OWNER), __entry->ino,
                __entry->rootid, __entry->start, __entry->len,
                __print_flags(__entry->clear_bits, "|", EXTENT_FLAGS))
);

TRACE_EVENT(btrfs_convert_extent_bit,
        TP_PROTO(const struct extent_io_tree *tree,
                 u64 start, u64 len, unsigned set_bits, unsigned clear_bits),

        TP_ARGS(tree, start, len, set_bits, clear_bits),

        TP_STRUCT__entry_btrfs(
                __field(        unsigned,       owner   )
                __field(        u64,            ino     )
                __field(        u64,            rootid  )
                __field(        u64,            start   )
                __field(        u64,            len     )
                __field(        unsigned,       set_bits)
                __field(        unsigned,       clear_bits)
        ),

        TP_fast_assign_btrfs(btrfs_extent_io_tree_to_fs_info(tree),
                const struct btrfs_inode *inode = btrfs_extent_io_tree_to_inode(tree);

                __entry->owner          = tree->owner;
                __entry->ino            = inode ? btrfs_ino(inode) : 0;
                __entry->rootid         = inode ? btrfs_root_id(inode->root) : 0;
                __entry->start          = start;
                __entry->len            = len;
                __entry->set_bits       = set_bits;
                __entry->clear_bits     = clear_bits;
        ),

        TP_printk_btrfs(
"io_tree=%s ino=%llu root=%llu start=%llu len=%llu set_bits=%s clear_bits=%s",
                  __print_symbolic(__entry->owner, IO_TREE_OWNER), __entry->ino,
                  __entry->rootid, __entry->start, __entry->len,
                  __print_flags(__entry->set_bits , "|", EXTENT_FLAGS),
                  __print_flags(__entry->clear_bits, "|", EXTENT_FLAGS))
);

DECLARE_EVENT_CLASS(btrfs_dump_space_info,
        TP_PROTO(struct btrfs_fs_info *fs_info,
                 const struct btrfs_space_info *sinfo),

        TP_ARGS(fs_info, sinfo),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    flags                   )
                __field(        u64,    total_bytes             )
                __field(        u64,    bytes_used              )
                __field(        u64,    bytes_pinned            )
                __field(        u64,    bytes_reserved          )
                __field(        u64,    bytes_may_use           )
                __field(        u64,    bytes_readonly          )
                __field(        u64,    reclaim_size            )
                __field(        int,    clamp                   )
                __field(        u64,    global_reserved         )
                __field(        u64,    trans_reserved          )
                __field(        u64,    delayed_refs_reserved   )
                __field(        u64,    delayed_reserved        )
                __field(        u64,    free_chunk_space        )
                __field(        u64,    delalloc_bytes          )
                __field(        u64,    ordered_bytes           )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->flags                  =       sinfo->flags;
                __entry->total_bytes            =       sinfo->total_bytes;
                __entry->bytes_used             =       sinfo->bytes_used;
                __entry->bytes_pinned           =       sinfo->bytes_pinned;
                __entry->bytes_reserved         =       sinfo->bytes_reserved;
                __entry->bytes_may_use          =       sinfo->bytes_may_use;
                __entry->bytes_readonly         =       sinfo->bytes_readonly;
                __entry->reclaim_size           =       sinfo->reclaim_size;
                __entry->clamp                  =       sinfo->clamp;
                __entry->global_reserved        =       fs_info->global_block_rsv.reserved;
                __entry->trans_reserved         =       fs_info->trans_block_rsv.reserved;
                __entry->delayed_refs_reserved  =       fs_info->delayed_refs_rsv.reserved;
                __entry->delayed_reserved       =       fs_info->delayed_block_rsv.reserved;
                __entry->free_chunk_space       =       atomic64_read(&fs_info->free_chunk_space);
                __entry->delalloc_bytes         =       percpu_counter_sum_positive(&fs_info->delalloc_bytes);
                __entry->ordered_bytes          =       percpu_counter_sum_positive(&fs_info->ordered_bytes);
        ),

        TP_printk_btrfs("flags=%s total_bytes=%llu bytes_used=%llu "
                        "bytes_pinned=%llu bytes_reserved=%llu "
                        "bytes_may_use=%llu bytes_readonly=%llu "
                        "reclaim_size=%llu clamp=%d global_reserved=%llu "
                        "trans_reserved=%llu delayed_refs_reserved=%llu "
                        "delayed_reserved=%llu chunk_free_space=%llu "
                        "delalloc_bytes=%llu ordered_bytes=%llu",
                        __print_flags(__entry->flags, "|", BTRFS_GROUP_FLAGS),
                        __entry->total_bytes, __entry->bytes_used,
                        __entry->bytes_pinned, __entry->bytes_reserved,
                        __entry->bytes_may_use, __entry->bytes_readonly,
                        __entry->reclaim_size, __entry->clamp,
                        __entry->global_reserved, __entry->trans_reserved,
                        __entry->delayed_refs_reserved,
                        __entry->delayed_reserved, __entry->free_chunk_space,
                        __entry->delalloc_bytes, __entry->ordered_bytes)
);

DEFINE_EVENT(btrfs_dump_space_info, btrfs_done_preemptive_reclaim,
        TP_PROTO(struct btrfs_fs_info *fs_info,
                 const struct btrfs_space_info *sinfo),
        TP_ARGS(fs_info, sinfo)
);

DEFINE_EVENT(btrfs_dump_space_info, btrfs_fail_all_tickets,
        TP_PROTO(struct btrfs_fs_info *fs_info,
                 const struct btrfs_space_info *sinfo),
        TP_ARGS(fs_info, sinfo)
);

TRACE_EVENT(btrfs_reserve_ticket,
        TP_PROTO(const struct btrfs_fs_info *fs_info, u64 flags, u64 bytes,
                 u64 start_ns, int flush, int error),

        TP_ARGS(fs_info, flags, bytes, start_ns, flush, error),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    flags           )
                __field(        u64,    bytes           )
                __field(        u64,    start_ns        )
                __field(        int,    flush           )
                __field(        int,    error           )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->flags          = flags;
                __entry->bytes          = bytes;
                __entry->start_ns       = start_ns;
                __entry->flush          = flush;
                __entry->error          = error;
        ),

        TP_printk_btrfs("flags=%s bytes=%llu start_ns=%llu flush=%s error=%d",
                        __print_flags(__entry->flags, "|", BTRFS_GROUP_FLAGS),
                        __entry->bytes, __entry->start_ns,
                        __print_symbolic(__entry->flush, FLUSH_ACTIONS),
                        __entry->error)
);

DECLARE_EVENT_CLASS(btrfs_sleep_tree_lock,
        TP_PROTO(const struct extent_buffer *eb, u64 start_ns),

        TP_ARGS(eb, start_ns),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    block           )
                __field(        u64,    generation      )
                __field(        u64,    start_ns        )
                __field(        u64,    end_ns          )
                __field(        u64,    diff_ns         )
                __field(        u64,    owner           )
                __field(        int,    is_log_tree     )
        ),

        TP_fast_assign_btrfs(eb->fs_info,
                __entry->block          = eb->start;
                __entry->generation     = btrfs_header_generation(eb);
                __entry->start_ns       = start_ns;
                __entry->end_ns         = ktime_get_ns();
                __entry->diff_ns        = __entry->end_ns - start_ns;
                __entry->owner          = btrfs_header_owner(eb);
                __entry->is_log_tree    = (eb->log_index >= 0);
        ),

        TP_printk_btrfs(
"block=%llu generation=%llu start_ns=%llu end_ns=%llu diff_ns=%llu owner=%llu is_log_tree=%d",
                __entry->block, __entry->generation,
                __entry->start_ns, __entry->end_ns, __entry->diff_ns,
                __entry->owner, __entry->is_log_tree)
);

DEFINE_EVENT(btrfs_sleep_tree_lock, btrfs_tree_read_lock,
        TP_PROTO(const struct extent_buffer *eb, u64 start_ns),

        TP_ARGS(eb, start_ns)
);

DEFINE_EVENT(btrfs_sleep_tree_lock, btrfs_tree_lock,
        TP_PROTO(const struct extent_buffer *eb, u64 start_ns),

        TP_ARGS(eb, start_ns)
);

DECLARE_EVENT_CLASS(btrfs_locking_events,
        TP_PROTO(const struct extent_buffer *eb),

        TP_ARGS(eb),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    block           )
                __field(        u64,    generation      )
                __field(        u64,    owner           )
                __field(        int,    is_log_tree     )
        ),

        TP_fast_assign_btrfs(eb->fs_info,
                __entry->block          = eb->start;
                __entry->generation     = btrfs_header_generation(eb);
                __entry->owner          = btrfs_header_owner(eb);
                __entry->is_log_tree    = (eb->log_index >= 0);
        ),

        TP_printk_btrfs("block=%llu generation=%llu owner=%llu is_log_tree=%d",
                __entry->block, __entry->generation,
                __entry->owner, __entry->is_log_tree)
);

#define DEFINE_BTRFS_LOCK_EVENT(name)                           \
DEFINE_EVENT(btrfs_locking_events, name,                        \
                TP_PROTO(const struct extent_buffer *eb),       \
                                                                \
                TP_ARGS(eb)                                     \
)

DEFINE_BTRFS_LOCK_EVENT(btrfs_tree_unlock);
DEFINE_BTRFS_LOCK_EVENT(btrfs_tree_read_unlock);
DEFINE_BTRFS_LOCK_EVENT(btrfs_try_tree_read_lock);

DECLARE_EVENT_CLASS(btrfs__space_info_update,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_space_info *sinfo, u64 old, s64 diff),

        TP_ARGS(fs_info, sinfo, old, diff),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    type            )
                __field(        u64,    old             )
                __field(        s64,    diff            )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->type   = sinfo->flags;
                __entry->old    = old;
                __entry->diff   = diff;
        ),
        TP_printk_btrfs("type=%s old=%llu diff=%lld",
                __print_flags(__entry->type, "|", BTRFS_GROUP_FLAGS),
                __entry->old, __entry->diff)
);

DEFINE_EVENT(btrfs__space_info_update, update_bytes_may_use,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_space_info *sinfo, u64 old, s64 diff),

        TP_ARGS(fs_info, sinfo, old, diff)
);

DEFINE_EVENT(btrfs__space_info_update, update_bytes_pinned,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_space_info *sinfo, u64 old, s64 diff),

        TP_ARGS(fs_info, sinfo, old, diff)
);

DEFINE_EVENT(btrfs__space_info_update, update_bytes_zone_unusable,

        TP_PROTO(const struct btrfs_fs_info *fs_info,
                 const struct btrfs_space_info *sinfo, u64 old, s64 diff),

        TP_ARGS(fs_info, sinfo, old, diff)
);

DECLARE_EVENT_CLASS(btrfs_raid56_bio,

        TP_PROTO(const struct btrfs_raid_bio *rbio,
                 const struct bio *bio,
                 const struct raid56_bio_trace_info *trace_info),

        TP_ARGS(rbio, bio, trace_info),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    full_stripe     )
                __field(        u64,    physical        )
                __field(        u64,    devid           )
                __field(        u32,    offset          )
                __field(        u32,    len             )
                __field(        u8,     opf             )
                __field(        u8,     total_stripes   )
                __field(        u8,     real_stripes    )
                __field(        u8,     nr_data         )
                __field(        u8,     stripe_nr       )
        ),

        TP_fast_assign_btrfs(rbio->bioc->fs_info,
                __entry->full_stripe    = rbio->bioc->full_stripe_logical;
                __entry->physical       = bio->bi_iter.bi_sector << SECTOR_SHIFT;
                __entry->len            = bio->bi_iter.bi_size;
                __entry->opf            = bio_op(bio);
                __entry->devid          = trace_info->devid;
                __entry->offset         = trace_info->offset;
                __entry->stripe_nr      = trace_info->stripe_nr;
                __entry->total_stripes  = rbio->bioc->num_stripes;
                __entry->real_stripes   = rbio->real_stripes;
                __entry->nr_data        = rbio->nr_data;
        ),
        /*
         * For type output, we need to output things like "DATA1"
         * (the first data stripe), "DATA2" (the second data stripe),
         * "PQ1" (P stripe),"PQ2" (Q stripe), "REPLACE0" (replace target device).
         */
        TP_printk_btrfs(
"full_stripe=%llu devid=%lld type=%s%d offset=%d opf=0x%x physical=%llu len=%u",
                __entry->full_stripe, __entry->devid,
                (__entry->stripe_nr < __entry->nr_data) ? "DATA" :
                        ((__entry->stripe_nr < __entry->real_stripes) ? "PQ" :
                         "REPLACE"),
                (__entry->stripe_nr < __entry->nr_data) ?
                        (__entry->stripe_nr + 1) :
                        ((__entry->stripe_nr < __entry->real_stripes) ?
                         (__entry->stripe_nr - __entry->nr_data + 1) : 0),
                __entry->offset, __entry->opf, __entry->physical, __entry->len)
);

DEFINE_EVENT(btrfs_raid56_bio, raid56_read,
        TP_PROTO(const struct btrfs_raid_bio *rbio,
                 const struct bio *bio,
                 const struct raid56_bio_trace_info *trace_info),

        TP_ARGS(rbio, bio, trace_info)
);

DEFINE_EVENT(btrfs_raid56_bio, raid56_write,
        TP_PROTO(const struct btrfs_raid_bio *rbio,
                 const struct bio *bio,
                 const struct raid56_bio_trace_info *trace_info),

        TP_ARGS(rbio, bio, trace_info)
);

TRACE_EVENT(btrfs_insert_one_raid_extent,

        TP_PROTO(const struct btrfs_fs_info *fs_info, u64 logical, u64 length,
                 int num_stripes),

        TP_ARGS(fs_info, logical, length, num_stripes),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    logical         )
                __field(        u64,    length          )
                __field(        int,    num_stripes     )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->logical        = logical;
                __entry->length         = length;
                __entry->num_stripes    = num_stripes;
        ),

        TP_printk_btrfs("logical=%llu length=%llu num_stripes=%d",
                        __entry->logical, __entry->length,
                        __entry->num_stripes)
);

TRACE_EVENT(btrfs_raid_extent_delete,

        TP_PROTO(const struct btrfs_fs_info *fs_info, u64 start, u64 end,
                 u64 found_start, u64 found_end),

        TP_ARGS(fs_info, start, end, found_start, found_end),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    start           )
                __field(        u64,    end             )
                __field(        u64,    found_start     )
                __field(        u64,    found_end       )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->start          = start;
                __entry->end            = end;
                __entry->found_start    = found_start;
                __entry->found_end      = found_end;
        ),

        TP_printk_btrfs("start=%llu end=%llu found_start=%llu found_end=%llu",
                        __entry->start, __entry->end, __entry->found_start,
                        __entry->found_end)
);

TRACE_EVENT(btrfs_get_raid_extent_offset,

        TP_PROTO(const struct btrfs_fs_info *fs_info, u64 logical, u64 length,
                 u64 physical, u64 devid),

        TP_ARGS(fs_info, logical, length, physical, devid),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    logical         )
                __field(        u64,    length          )
                __field(        u64,    physical        )
                __field(        u64,    devid           )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->logical        = logical;
                __entry->length         = length;
                __entry->physical       = physical;
                __entry->devid          = devid;
        ),

        TP_printk_btrfs("logical=%llu length=%llu physical=%llu devid=%llu",
                        __entry->logical, __entry->length, __entry->physical,
                        __entry->devid)
);

TRACE_EVENT(btrfs_extent_map_shrinker_count,

        TP_PROTO(const struct btrfs_fs_info *fs_info, long nr),

        TP_ARGS(fs_info, nr),

        TP_STRUCT__entry_btrfs(
                __field(        long,   nr      )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->nr             = nr;
        ),

        TP_printk_btrfs("nr=%ld", __entry->nr)
);

TRACE_EVENT(btrfs_extent_map_shrinker_scan_enter,

        TP_PROTO(const struct btrfs_fs_info *fs_info, long nr),

        TP_ARGS(fs_info, nr),

        TP_STRUCT__entry_btrfs(
                __field(        long,   nr_to_scan      )
                __field(        long,   nr              )
                __field(        u64,    last_root_id    )
                __field(        u64,    last_ino        )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->nr_to_scan     = \
                     atomic64_read(&fs_info->em_shrinker_nr_to_scan);
                __entry->nr             = nr;
                __entry->last_root_id   = fs_info->em_shrinker_last_root;
                __entry->last_ino       = fs_info->em_shrinker_last_ino;
        ),

        TP_printk_btrfs("nr_to_scan=%ld nr=%ld last_root=%llu(%s) last_ino=%llu",
                        __entry->nr_to_scan, __entry->nr,
                        show_root_type(__entry->last_root_id), __entry->last_ino)
);

TRACE_EVENT(btrfs_extent_map_shrinker_scan_exit,

        TP_PROTO(const struct btrfs_fs_info *fs_info, long nr_dropped, long nr),

        TP_ARGS(fs_info, nr_dropped, nr),

        TP_STRUCT__entry_btrfs(
                __field(        long,   nr_dropped      )
                __field(        long,   nr              )
                __field(        u64,    last_root_id    )
                __field(        u64,    last_ino        )
        ),

        TP_fast_assign_btrfs(fs_info,
                __entry->nr_dropped     = nr_dropped;
                __entry->nr             = nr;
                __entry->last_root_id   = fs_info->em_shrinker_last_root;
                __entry->last_ino       = fs_info->em_shrinker_last_ino;
        ),

        TP_printk_btrfs("nr_dropped=%ld nr=%ld last_root=%llu(%s) last_ino=%llu",
                        __entry->nr_dropped, __entry->nr,
                        show_root_type(__entry->last_root_id), __entry->last_ino)
);

TRACE_EVENT(btrfs_extent_map_shrinker_remove_em,

        TP_PROTO(const struct btrfs_inode *inode, const struct extent_map *em),

        TP_ARGS(inode, em),

        TP_STRUCT__entry_btrfs(
                __field(        u64,    ino             )
                __field(        u64,    root_id         )
                __field(        u64,    start           )
                __field(        u64,    len             )
                __field(        u32,    flags           )
        ),

        TP_fast_assign_btrfs(inode->root->fs_info,
                __entry->ino            = btrfs_ino(inode);
                __entry->root_id        = btrfs_root_id(inode->root);
                __entry->start          = em->start;
                __entry->len            = em->len;
                __entry->flags          = em->flags;
        ),

        TP_printk_btrfs("ino=%llu root=%llu(%s) start=%llu len=%llu flags=%s",
                        __entry->ino, show_root_type(__entry->root_id),
                        __entry->start, __entry->len,
                        show_map_flags(__entry->flags))
);

#endif /* _TRACE_BTRFS_H */

/* This part must be outside protection */
#include <trace/define_trace.h>