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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-31 01:48:25 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-31 01:48:25 (GMT) |
commit | 6a94cb73064c952255336cc57731904174b2c58f (patch) | |
tree | d19cc835db0a21e01909a92772868e1ad96f99ff /fs/xfs/xfs_inode.h | |
parent | f57fa1d6a6b3414e853d3d17e339ac48816e4406 (diff) | |
parent | 0a8c5395f90f06d128247844b2515c8bf3f2826b (diff) | |
download | linux-fsl-qoriq-6a94cb73064c952255336cc57731904174b2c58f.tar.xz |
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs: (184 commits)
[XFS] Fix race in xfs_write() between direct and buffered I/O with DMAPI
[XFS] handle unaligned data in xfs_bmbt_disk_get_all
[XFS] avoid memory allocations in xfs_fs_vcmn_err
[XFS] Fix speculative allocation beyond eof
[XFS] Remove XFS_BUF_SHUT() and friends
[XFS] Use the incore inode size in xfs_file_readdir()
[XFS] set b_error from bio error in xfs_buf_bio_end_io
[XFS] use inode_change_ok for setattr permission checking
[XFS] add a FMODE flag to make XFS invisible I/O less hacky
[XFS] resync headers with libxfs
[XFS] simplify projid check in xfs_rename
[XFS] replace b_fspriv with b_mount
[XFS] Remove unused tracing code
[XFS] Remove unnecessary assertion
[XFS] Remove unused variable in ktrace_free()
[XFS] Check return value of xfs_buf_get_noaddr()
[XFS] Fix hang after disallowed rename across directory quota domains
[XFS] Fix compile with CONFIG_COMPAT enabled
move inode tracing out of xfs_vnode.
move vn_iowait / vn_iowake into xfs_aops.c
...
Diffstat (limited to 'fs/xfs/xfs_inode.h')
-rw-r--r-- | fs/xfs/xfs_inode.h | 375 |
1 files changed, 210 insertions, 165 deletions
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 6be310d..1f175fa 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -19,8 +19,7 @@ #define __XFS_INODE_H__ struct xfs_dinode; -struct xfs_dinode_core; - +struct xfs_inode; /* * Fork identifiers. @@ -63,7 +62,7 @@ typedef struct xfs_ext_irec { typedef struct xfs_ifork { int if_bytes; /* bytes in if_u1 */ int if_real_bytes; /* bytes allocated in if_u1 */ - xfs_bmbt_block_t *if_broot; /* file's incore btree root */ + struct xfs_btree_block *if_broot; /* file's incore btree root */ short if_broot_bytes; /* bytes allocated for root */ unsigned char if_flags; /* per-fork flags */ unsigned char if_ext_max; /* max # of extent records */ @@ -84,52 +83,14 @@ typedef struct xfs_ifork { } xfs_ifork_t; /* - * Flags for xfs_ichgtime(). + * Inode location information. Stored in the inode and passed to + * xfs_imap_to_bp() to get a buffer and dinode for a given inode. */ -#define XFS_ICHGTIME_MOD 0x1 /* data fork modification timestamp */ -#define XFS_ICHGTIME_CHG 0x2 /* inode field change timestamp */ - -/* - * Per-fork incore inode flags. - */ -#define XFS_IFINLINE 0x01 /* Inline data is read in */ -#define XFS_IFEXTENTS 0x02 /* All extent pointers are read in */ -#define XFS_IFBROOT 0x04 /* i_broot points to the bmap b-tree root */ -#define XFS_IFEXTIREC 0x08 /* Indirection array of extent blocks */ - -/* - * Flags for xfs_itobp(), xfs_imap() and xfs_dilocate(). - */ -#define XFS_IMAP_LOOKUP 0x1 -#define XFS_IMAP_BULKSTAT 0x2 - -#ifdef __KERNEL__ -struct bhv_desc; -struct cred; -struct ktrace; -struct xfs_buf; -struct xfs_bmap_free; -struct xfs_bmbt_irec; -struct xfs_bmbt_block; -struct xfs_inode; -struct xfs_inode_log_item; -struct xfs_mount; -struct xfs_trans; -struct xfs_dquot; - -#if defined(XFS_ILOCK_TRACE) -#define XFS_ILOCK_KTRACE_SIZE 32 -extern ktrace_t *xfs_ilock_trace_buf; -extern void xfs_ilock_trace(struct xfs_inode *, int, unsigned int, inst_t *); -#else -#define xfs_ilock_trace(i,n,f,ra) -#endif - -typedef struct dm_attrs_s { - __uint32_t da_dmevmask; /* DMIG event mask */ - __uint16_t da_dmstate; /* DMIG state info */ - __uint16_t da_pad; /* DMIG extra padding */ -} dm_attrs_t; +struct xfs_imap { + xfs_daddr_t im_blkno; /* starting BB of inode chunk */ + ushort im_len; /* length in BBs of inode chunk */ + ushort im_boffset; /* inode offset in block in bytes */ +}; /* * This is the xfs in-core inode structure. @@ -160,7 +121,7 @@ typedef struct xfs_ictimestamp { } xfs_ictimestamp_t; /* - * NOTE: This structure must be kept identical to struct xfs_dinode_core + * NOTE: This structure must be kept identical to struct xfs_dinode * in xfs_dinode.h except for the endianess annotations. */ typedef struct xfs_icdinode { @@ -191,27 +152,97 @@ typedef struct xfs_icdinode { __uint32_t di_gen; /* generation number */ } xfs_icdinode_t; -typedef struct { - struct xfs_inode *ip_mnext; /* next inode in mount list */ - struct xfs_inode *ip_mprev; /* ptr to prev inode */ - struct xfs_mount *ip_mount; /* fs mount struct ptr */ -} xfs_iptr_t; +/* + * Flags for xfs_ichgtime(). + */ +#define XFS_ICHGTIME_MOD 0x1 /* data fork modification timestamp */ +#define XFS_ICHGTIME_CHG 0x2 /* inode field change timestamp */ + +/* + * Per-fork incore inode flags. + */ +#define XFS_IFINLINE 0x01 /* Inline data is read in */ +#define XFS_IFEXTENTS 0x02 /* All extent pointers are read in */ +#define XFS_IFBROOT 0x04 /* i_broot points to the bmap b-tree root */ +#define XFS_IFEXTIREC 0x08 /* Indirection array of extent blocks */ + +/* + * Fork handling. + */ + +#define XFS_IFORK_Q(ip) ((ip)->i_d.di_forkoff != 0) +#define XFS_IFORK_BOFF(ip) ((int)((ip)->i_d.di_forkoff << 3)) + +#define XFS_IFORK_PTR(ip,w) \ + ((w) == XFS_DATA_FORK ? \ + &(ip)->i_df : \ + (ip)->i_afp) +#define XFS_IFORK_DSIZE(ip) \ + (XFS_IFORK_Q(ip) ? \ + XFS_IFORK_BOFF(ip) : \ + XFS_LITINO((ip)->i_mount)) +#define XFS_IFORK_ASIZE(ip) \ + (XFS_IFORK_Q(ip) ? \ + XFS_LITINO((ip)->i_mount) - XFS_IFORK_BOFF(ip) : \ + 0) +#define XFS_IFORK_SIZE(ip,w) \ + ((w) == XFS_DATA_FORK ? \ + XFS_IFORK_DSIZE(ip) : \ + XFS_IFORK_ASIZE(ip)) +#define XFS_IFORK_FORMAT(ip,w) \ + ((w) == XFS_DATA_FORK ? \ + (ip)->i_d.di_format : \ + (ip)->i_d.di_aformat) +#define XFS_IFORK_FMT_SET(ip,w,n) \ + ((w) == XFS_DATA_FORK ? \ + ((ip)->i_d.di_format = (n)) : \ + ((ip)->i_d.di_aformat = (n))) +#define XFS_IFORK_NEXTENTS(ip,w) \ + ((w) == XFS_DATA_FORK ? \ + (ip)->i_d.di_nextents : \ + (ip)->i_d.di_anextents) +#define XFS_IFORK_NEXT_SET(ip,w,n) \ + ((w) == XFS_DATA_FORK ? \ + ((ip)->i_d.di_nextents = (n)) : \ + ((ip)->i_d.di_anextents = (n))) + + + +#ifdef __KERNEL__ + +struct bhv_desc; +struct cred; +struct ktrace; +struct xfs_buf; +struct xfs_bmap_free; +struct xfs_bmbt_irec; +struct xfs_inode_log_item; +struct xfs_mount; +struct xfs_trans; +struct xfs_dquot; + +#if defined(XFS_ILOCK_TRACE) +#define XFS_ILOCK_KTRACE_SIZE 32 +extern void xfs_ilock_trace(struct xfs_inode *, int, unsigned int, inst_t *); +#else +#define xfs_ilock_trace(i,n,f,ra) +#endif + +typedef struct dm_attrs_s { + __uint32_t da_dmevmask; /* DMIG event mask */ + __uint16_t da_dmstate; /* DMIG state info */ + __uint16_t da_pad; /* DMIG extra padding */ +} dm_attrs_t; typedef struct xfs_inode { /* Inode linking and identification information. */ - struct xfs_inode *i_mnext; /* next inode in mount list */ - struct xfs_inode *i_mprev; /* ptr to prev inode */ struct xfs_mount *i_mount; /* fs mount struct ptr */ - struct list_head i_reclaim; /* reclaim list */ - struct inode *i_vnode; /* vnode backpointer */ struct xfs_dquot *i_udquot; /* user dquot */ struct xfs_dquot *i_gdquot; /* group dquot */ /* Inode location stuff */ xfs_ino_t i_ino; /* inode number (agno/agino)*/ - xfs_daddr_t i_blkno; /* blkno of inode buffer */ - ushort i_len; /* len of inode buffer */ - ushort i_boffset; /* off of inode in buffer */ + struct xfs_imap i_imap; /* location for xfs_imap() */ /* Extent information. */ xfs_ifork_t *i_afp; /* attribute fork pointer */ @@ -230,7 +261,6 @@ typedef struct xfs_inode { unsigned short i_flags; /* see defined flags below */ unsigned char i_update_core; /* timestamps/size is dirty */ unsigned char i_update_size; /* di_size field is dirty */ - unsigned int i_gen; /* generation count */ unsigned int i_delayed_blks; /* count of delay alloc blks */ xfs_icdinode_t i_d; /* most of ondisk inode */ @@ -238,6 +268,10 @@ typedef struct xfs_inode { xfs_fsize_t i_size; /* in-memory size */ xfs_fsize_t i_new_size; /* size when write completes */ atomic_t i_iocount; /* outstanding I/O count */ + + /* VFS inode */ + struct inode i_vnode; /* embedded VFS inode */ + /* Trace buffers per inode. */ #ifdef XFS_INODE_TRACE struct ktrace *i_trace; /* general inode trace */ @@ -245,7 +279,7 @@ typedef struct xfs_inode { #ifdef XFS_BMAP_TRACE struct ktrace *i_xtrace; /* inode extent list trace */ #endif -#ifdef XFS_BMBT_TRACE +#ifdef XFS_BTREE_TRACE struct ktrace *i_btrace; /* inode bmap btree trace */ #endif #ifdef XFS_RW_TRACE @@ -265,13 +299,30 @@ typedef struct xfs_inode { /* Convert from vfs inode to xfs inode */ static inline struct xfs_inode *XFS_I(struct inode *inode) { - return (struct xfs_inode *)inode->i_private; + return container_of(inode, struct xfs_inode, i_vnode); } /* convert from xfs inode to vfs inode */ static inline struct inode *VFS_I(struct xfs_inode *ip) { - return (struct inode *)ip->i_vnode; + return &ip->i_vnode; +} + +/* + * Get rid of a partially initialized inode. + * + * We have to go through destroy_inode to make sure allocations + * from init_inode_always like the security data are undone. + * + * We mark the inode bad so that it takes the short cut in + * the reclaim path instead of going through the flush path + * which doesn't make sense for an inode that has never seen the + * light of day. + */ +static inline void xfs_destroy_inode(struct xfs_inode *ip) +{ + make_bad_inode(VFS_I(ip)); + return destroy_inode(VFS_I(ip)); } /* @@ -327,65 +378,36 @@ xfs_iflags_test_and_clear(xfs_inode_t *ip, unsigned short flags) spin_unlock(&ip->i_flags_lock); return ret; } -#endif /* __KERNEL__ */ - /* - * Fork handling. + * Manage the i_flush queue embedded in the inode. This completion + * queue synchronizes processes attempting to flush the in-core + * inode back to disk. */ +static inline void xfs_iflock(xfs_inode_t *ip) +{ + wait_for_completion(&ip->i_flush); +} -#define XFS_IFORK_Q(ip) ((ip)->i_d.di_forkoff != 0) -#define XFS_IFORK_BOFF(ip) ((int)((ip)->i_d.di_forkoff << 3)) - -#define XFS_IFORK_PTR(ip,w) \ - ((w) == XFS_DATA_FORK ? \ - &(ip)->i_df : \ - (ip)->i_afp) -#define XFS_IFORK_DSIZE(ip) \ - (XFS_IFORK_Q(ip) ? \ - XFS_IFORK_BOFF(ip) : \ - XFS_LITINO((ip)->i_mount)) -#define XFS_IFORK_ASIZE(ip) \ - (XFS_IFORK_Q(ip) ? \ - XFS_LITINO((ip)->i_mount) - XFS_IFORK_BOFF(ip) : \ - 0) -#define XFS_IFORK_SIZE(ip,w) \ - ((w) == XFS_DATA_FORK ? \ - XFS_IFORK_DSIZE(ip) : \ - XFS_IFORK_ASIZE(ip)) -#define XFS_IFORK_FORMAT(ip,w) \ - ((w) == XFS_DATA_FORK ? \ - (ip)->i_d.di_format : \ - (ip)->i_d.di_aformat) -#define XFS_IFORK_FMT_SET(ip,w,n) \ - ((w) == XFS_DATA_FORK ? \ - ((ip)->i_d.di_format = (n)) : \ - ((ip)->i_d.di_aformat = (n))) -#define XFS_IFORK_NEXTENTS(ip,w) \ - ((w) == XFS_DATA_FORK ? \ - (ip)->i_d.di_nextents : \ - (ip)->i_d.di_anextents) -#define XFS_IFORK_NEXT_SET(ip,w,n) \ - ((w) == XFS_DATA_FORK ? \ - ((ip)->i_d.di_nextents = (n)) : \ - ((ip)->i_d.di_anextents = (n))) +static inline int xfs_iflock_nowait(xfs_inode_t *ip) +{ + return try_wait_for_completion(&ip->i_flush); +} -#ifdef __KERNEL__ +static inline void xfs_ifunlock(xfs_inode_t *ip) +{ + complete(&ip->i_flush); +} /* * In-core inode flags. */ -#define XFS_IGRIO 0x0001 /* inode used for guaranteed rate i/o */ -#define XFS_IUIOSZ 0x0002 /* inode i/o sizes have been explicitly set */ -#define XFS_IQUIESCE 0x0004 /* we have started quiescing for this inode */ -#define XFS_IRECLAIM 0x0008 /* we have started reclaiming this inode */ -#define XFS_ISTALE 0x0010 /* inode has been staled */ -#define XFS_IRECLAIMABLE 0x0020 /* inode can be reclaimed */ -#define XFS_INEW 0x0040 -#define XFS_IFILESTREAM 0x0080 /* inode is in a filestream directory */ -#define XFS_IMODIFIED 0x0100 /* XFS inode state possibly differs */ - /* to the Linux inode state. */ -#define XFS_ITRUNCATED 0x0200 /* truncated down so flush-on-close */ +#define XFS_IRECLAIM 0x0001 /* we have started reclaiming this inode */ +#define XFS_ISTALE 0x0002 /* inode has been staled */ +#define XFS_IRECLAIMABLE 0x0004 /* inode can be reclaimed */ +#define XFS_INEW 0x0008 /* inode has just been allocated */ +#define XFS_IFILESTREAM 0x0010 /* inode is in a filestream directory */ +#define XFS_ITRUNCATED 0x0020 /* truncated down so flush-on-close */ /* * Flags for inode locking. @@ -460,16 +482,8 @@ xfs_iflags_test_and_clear(xfs_inode_t *ip, unsigned short flags) ((pip)->i_d.di_mode & S_ISGID)) /* - * Flags for xfs_iget() - */ -#define XFS_IGET_CREATE 0x1 -#define XFS_IGET_BULKSTAT 0x2 - -/* * xfs_iget.c prototypes. */ -void xfs_ihash_init(struct xfs_mount *); -void xfs_ihash_free(struct xfs_mount *); xfs_inode_t *xfs_inode_incore(struct xfs_mount *, xfs_ino_t, struct xfs_trans *); int xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, @@ -484,25 +498,13 @@ int xfs_isilocked(xfs_inode_t *, uint); uint xfs_ilock_map_shared(xfs_inode_t *); void xfs_iunlock_map_shared(xfs_inode_t *, uint); void xfs_ireclaim(xfs_inode_t *); -int xfs_finish_reclaim(xfs_inode_t *, int, int); -int xfs_finish_reclaim_all(struct xfs_mount *, int); /* * xfs_inode.c prototypes. */ -int xfs_itobp(struct xfs_mount *, struct xfs_trans *, - xfs_inode_t *, struct xfs_dinode **, struct xfs_buf **, - xfs_daddr_t, uint, uint); -int xfs_iread(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, - xfs_inode_t **, xfs_daddr_t, uint); -int xfs_iread_extents(struct xfs_trans *, xfs_inode_t *, int); int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t, xfs_nlink_t, xfs_dev_t, cred_t *, xfs_prid_t, int, struct xfs_buf **, boolean_t *, xfs_inode_t **); -void xfs_dinode_from_disk(struct xfs_icdinode *, - struct xfs_dinode_core *); -void xfs_dinode_to_disk(struct xfs_dinode_core *, - struct xfs_icdinode *); uint xfs_ip2xflags(struct xfs_inode *); uint xfs_dic2xflags(struct xfs_dinode *); @@ -513,17 +515,10 @@ int xfs_itruncate_finish(struct xfs_trans **, xfs_inode_t *, xfs_fsize_t, int, int); int xfs_iunlink(struct xfs_trans *, xfs_inode_t *); -void xfs_idestroy_fork(xfs_inode_t *, int); -void xfs_idestroy(xfs_inode_t *); -void xfs_idata_realloc(xfs_inode_t *, int, int); -void xfs_iextract(xfs_inode_t *); void xfs_iext_realloc(xfs_inode_t *, int, int); -void xfs_iroot_realloc(xfs_inode_t *, int, int); void xfs_ipin(xfs_inode_t *); void xfs_iunpin(xfs_inode_t *); -int xfs_iextents_copy(xfs_inode_t *, xfs_bmbt_rec_t *, int); int xfs_iflush(xfs_inode_t *, uint); -void xfs_iflush_all(struct xfs_mount *); void xfs_ichgtime(xfs_inode_t *, int); xfs_fsize_t xfs_file_last_byte(xfs_inode_t *); void xfs_lock_inodes(xfs_inode_t **, int, uint); @@ -532,6 +527,77 @@ void xfs_lock_two_inodes(xfs_inode_t *, xfs_inode_t *, uint); void xfs_synchronize_atime(xfs_inode_t *); void xfs_mark_inode_dirty_sync(xfs_inode_t *); +#if defined(XFS_INODE_TRACE) + +#define INODE_TRACE_SIZE 16 /* number of trace entries */ +#define INODE_KTRACE_ENTRY 1 +#define INODE_KTRACE_EXIT 2 +#define INODE_KTRACE_HOLD 3 +#define INODE_KTRACE_REF 4 +#define INODE_KTRACE_RELE 5 + +extern void _xfs_itrace_entry(struct xfs_inode *, const char *, inst_t *); +extern void _xfs_itrace_exit(struct xfs_inode *, const char *, inst_t *); +extern void xfs_itrace_hold(struct xfs_inode *, char *, int, inst_t *); +extern void _xfs_itrace_ref(struct xfs_inode *, char *, int, inst_t *); +extern void xfs_itrace_rele(struct xfs_inode *, char *, int, inst_t *); +#define xfs_itrace_entry(ip) \ + _xfs_itrace_entry(ip, __func__, (inst_t *)__return_address) +#define xfs_itrace_exit(ip) \ + _xfs_itrace_exit(ip, __func__, (inst_t *)__return_address) +#define xfs_itrace_exit_tag(ip, tag) \ + _xfs_itrace_exit(ip, tag, (inst_t *)__return_address) +#define xfs_itrace_ref(ip) \ + _xfs_itrace_ref(ip, __FILE__, __LINE__, (inst_t *)__return_address) + +#else +#define xfs_itrace_entry(a) +#define xfs_itrace_exit(a) +#define xfs_itrace_exit_tag(a, b) +#define xfs_itrace_hold(a, b, c, d) +#define xfs_itrace_ref(a) +#define xfs_itrace_rele(a, b, c, d) +#endif + +#define IHOLD(ip) \ +do { \ + ASSERT(atomic_read(&VFS_I(ip)->i_count) > 0) ; \ + atomic_inc(&(VFS_I(ip)->i_count)); \ + xfs_itrace_hold((ip), __FILE__, __LINE__, (inst_t *)__return_address); \ +} while (0) + +#define IRELE(ip) \ +do { \ + xfs_itrace_rele((ip), __FILE__, __LINE__, (inst_t *)__return_address); \ + iput(VFS_I(ip)); \ +} while (0) + +#endif /* __KERNEL__ */ + +/* + * Flags for xfs_iget() + */ +#define XFS_IGET_CREATE 0x1 +#define XFS_IGET_BULKSTAT 0x2 + +int xfs_inotobp(struct xfs_mount *, struct xfs_trans *, + xfs_ino_t, struct xfs_dinode **, + struct xfs_buf **, int *, uint); +int xfs_itobp(struct xfs_mount *, struct xfs_trans *, + struct xfs_inode *, struct xfs_dinode **, + struct xfs_buf **, uint); +int xfs_iread(struct xfs_mount *, struct xfs_trans *, + struct xfs_inode *, xfs_daddr_t, uint); +void xfs_dinode_from_disk(struct xfs_icdinode *, + struct xfs_dinode *); +void xfs_dinode_to_disk(struct xfs_dinode *, + struct xfs_icdinode *); +void xfs_idestroy_fork(struct xfs_inode *, int); +void xfs_idata_realloc(struct xfs_inode *, int, int); +void xfs_iroot_realloc(struct xfs_inode *, int, int); +int xfs_iread_extents(struct xfs_trans *, struct xfs_inode *, int); +int xfs_iextents_copy(struct xfs_inode *, xfs_bmbt_rec_t *, int); + xfs_bmbt_rec_host_t *xfs_iext_get_ext(xfs_ifork_t *, xfs_extnum_t); void xfs_iext_insert(xfs_ifork_t *, xfs_extnum_t, xfs_extnum_t, xfs_bmbt_irec_t *); @@ -561,7 +627,8 @@ void xfs_iext_irec_update_extoffs(xfs_ifork_t *, int, int); #define xfs_ipincount(ip) ((unsigned int) atomic_read(&ip->i_pincount)) #ifdef DEBUG -void xfs_isize_check(struct xfs_mount *, xfs_inode_t *, xfs_fsize_t); +void xfs_isize_check(struct xfs_mount *, struct xfs_inode *, + xfs_fsize_t); #else /* DEBUG */ #define xfs_isize_check(mp, ip, isize) #endif /* DEBUG */ @@ -576,26 +643,4 @@ extern struct kmem_zone *xfs_ifork_zone; extern struct kmem_zone *xfs_inode_zone; extern struct kmem_zone *xfs_ili_zone; -/* - * Manage the i_flush queue embedded in the inode. This completion - * queue synchronizes processes attempting to flush the in-core - * inode back to disk. - */ -static inline void xfs_iflock(xfs_inode_t *ip) -{ - wait_for_completion(&ip->i_flush); -} - -static inline int xfs_iflock_nowait(xfs_inode_t *ip) -{ - return try_wait_for_completion(&ip->i_flush); -} - -static inline void xfs_ifunlock(xfs_inode_t *ip) -{ - complete(&ip->i_flush); -} - -#endif /* __KERNEL__ */ - #endif /* __XFS_INODE_H__ */ |