Symbol: S_ANON_INODE
fs/libfs.c
1696
inode->i_flags |= S_PRIVATE | S_ANON_INODE;
fs/pidfs.c
922
inode->i_flags |= S_PRIVATE | S_ANON_INODE;
include/linux/fs.h
2180
#define IS_ANON_FILE(inode) ((inode)->i_flags & S_ANON_INODE)