/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1982, 1986, 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _UFS_UFS_UFSMOUNT_H_ #define _UFS_UFS_UFSMOUNT_H_ /* * Arguments to mount UFS-based filesystems */ struct ufs_args { char *fspec; /* block special device to mount */ struct oexport_args export; /* network export information */ }; #include <sys/_task.h> #ifdef _KERNEL #ifdef MALLOC_DECLARE MALLOC_DECLARE(M_UFSMNT); MALLOC_DECLARE(M_TRIM); #endif #endif /* _KERNEL */ struct buf; struct inode; struct nameidata; struct taskqueue; struct timeval; struct ucred; struct uio; struct vnode; struct ufs_extattr_per_mount; struct jblocks; struct inodedep; TAILQ_HEAD(inodedeplst, inodedep); LIST_HEAD(bmsafemaphd, bmsafemap); LIST_HEAD(trimlist_hashhead, ffs_blkfree_trim_params); #include <sys/_lock.h> #include <sys/_mutex.h> #include <sys/_sx.h> /* * This structure describes the UFS specific mount structure data. * The function operators are used to support different versions of * UFS (UFS1, UFS2, etc). * * Lock reference: * c - set at allocation then constant until freed * i - ufsmount interlock (UFS_LOCK / UFS_UNLOCK) * q - associated quota file is locked * r - ref to parent mount structure is held (vfs_busy / vfs_unbusy) */ struct ufsmount { struct mount *um_mountp; /* (r) filesystem vfs struct */ struct cdev *um_dev; /* (r) device mounted */ struct g_consumer *um_cp; /* (r) GEOM access point */ struct bufobj *um_bo; /* (r) Buffer cache object */ struct vnode *um_odevvp; /* (r) devfs dev vnode */ struct vnode *um_devvp; /* (r) mntfs private vnode */ uint64_t um_fstype; /* (c) type of filesystem */ struct fs *um_fs; /* (r) pointer to superblock */ struct ufs_extattr_per_mount um_extattr; /* (c) extended attrs */ uint64_t um_nindir; /* (c) indirect ptrs per blk */ uint64_t um_bptrtodb; /* (c) indir disk block ptr */ uint64_t um_seqinc; /* (c) inc between seq blocks */ uint64_t um_bsize; /* (c) fs block size */ uint64_t um_maxsymlinklen; /* (c) max size of short symlink */ struct mtx um_lock; /* (c) Protects ufsmount & fs */ struct mount_softdeps *um_softdep; /* (c) softdep mgmt structure */ struct vnode *um_quotas[MAXQUOTAS]; /* (q) pointer to quota files */ struct ucred *um_cred[MAXQUOTAS]; /* (q) quota file access cred */ time_t um_btime[MAXQUOTAS]; /* (q) block quota time limit */ time_t um_itime[MAXQUOTAS]; /* (q) inode quota time limit */ char um_qflags[MAXQUOTAS]; /* (i) quota specific flags */ int64_t um_savedmaxfilesize; /* (c) track maxfilesize */ uint64_t um_flags; /* (i) filesystem flags */ struct timeval um_last_fullmsg; /* (i) last full msg time */ int um_secs_fullmsg; /* (i) seconds since full msg */ struct timeval um_last_integritymsg; /* (i) last integrity msg */ int um_secs_integritymsg; /* (i) secs since integ msg */ uint64_t um_trim_inflight; /* (i) outstanding trim count */ uint64_t um_trim_inflight_blks; /* (i) outstanding trim blks */ uint64_t um_trim_total; /* (i) total trim count */ uint64_t um_trim_total_blks; /* (i) total trim block count */ struct taskqueue *um_trim_tq; /* (c) trim request queue */ struct trimlist_hashhead *um_trimhash; /* (i) trimlist hash table */ u_long um_trimlisthashsize; /* (i) trim hash table size-1 */ /* (c) - below function ptrs */ int (*um_balloc)(struct vnode *, off_t, int, struct ucred *, int, struct buf **); int (*um_blkatoff)(struct vnode *, off_t, char **, struct buf **); int (*um_truncate)(struct vnode *, off_t, int, struct ucred *); int (*um_update)(struct vnode *, int); int (*um_valloc)(struct vnode *, int, struct ucred *, struct vnode **); int (*um_vfree)(struct vnode *, ino_t, int); void (*um_ifree)(struct ufsmount *, struct inode *); int (*um_rdonly)(struct inode *); void (*um_snapgone)(struct inode *); int (*um_check_blkno)(struct mount *, ino_t, daddr_t, int); }; /* * filesystem flags */ #define UM_CANDELETE 0x00000001 /* devvp supports TRIM */ #define UM_WRITESUSPENDED 0x00000002 /* suspension in progress */ #define UM_CANSPEEDUP 0x00000004 /* devvp supports SPEEDUP */ #define UM_FSFAIL_CLEANUP 0x00000008 /* need cleanup after unrecoverable error */ /* * function prototypes */ #define UFS_BALLOC(aa, bb, cc, dd, ee, ff) \ VFSTOUFS((aa)->v_mount)->um_balloc(aa, bb, cc, dd, ee, ff) #define UFS_BLKATOFF(aa, bb, cc, dd) \ VFSTOUFS((aa)->v_mount)->um_blkatoff(aa, bb, cc, dd) #define UFS_TRUNCATE(aa, bb, cc, dd) \ VFSTOUFS((aa)->v_mount)->um_truncate(aa, bb, cc, dd) #define UFS_UPDATE(aa, bb) VFSTOUFS((aa)->v_mount)->um_update(aa, bb) #define UFS_VALLOC(aa, bb, cc, dd) \ VFSTOUFS((aa)->v_mount)->um_valloc(aa, bb, cc, dd) #define UFS_VFREE(aa, bb, cc) VFSTOUFS((aa)->v_mount)->um_vfree(aa, bb, cc) #define UFS_IFREE(aa, bb) ((aa)->um_ifree(aa, bb)) #define UFS_RDONLY(aa) (ITOUMP(aa)->um_rdonly(aa)) #define UFS_SNAPGONE(aa) (ITOUMP(aa)->um_snapgone(aa)) #define UFS_CHECK_BLKNO(aa, bb, cc, dd) \ (VFSTOUFS(aa)->um_check_blkno == NULL ? 0 : \ VFSTOUFS(aa)->um_check_blkno(aa, bb, cc, dd)) #define UFS_LOCK(aa) mtx_lock(&(aa)->um_lock) #define UFS_UNLOCK(aa) mtx_unlock(&(aa)->um_lock) #define UFS_MTX(aa) (&(aa)->um_lock) /* * Filesystem types */ #define UFS1 1 #define UFS2 2 /* * Flags describing the state of quotas. */ #define QTF_OPENING 0x01 /* Q_QUOTAON in progress */ #define QTF_CLOSING 0x02 /* Q_QUOTAOFF in progress */ #define QTF_64BIT 0x04 /* 64-bit quota file */ /* Convert mount ptr to ufsmount ptr. */ #define VFSTOUFS(mp) ((struct ufsmount *)((mp)->mnt_data)) #define UFSTOVFS(ump) (ump)->um_mountp /* * Macros to access filesystem parameters in the ufsmount structure. * Used by ufs_bmap. */ #define MNINDIR(ump) ((ump)->um_nindir) #define blkptrtodb(ump, b) ((b) << (ump)->um_bptrtodb) #define is_sequential(ump, a, b) ((b) == (a) + ump->um_seqinc) /* true if old FS format...*/ #define OFSFMT(vp) (VFSTOUFS((vp)->v_mount)->um_maxsymlinklen <= 0) #endif
