Commit ae90fb14 authored by Linus Torvalds's avatar Linus Torvalds

Merge tag 'xfs-for-linus-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs

Pull xfs update from Dave Chinner:
 "This update contains:

   - RENAME_EXCHANGE support

   - Rework of the superblock logging infrastructure

   - Rework of the XFS_IOCTL_SETXATTR implementation
       * enables use inside user namespaces
       * fixes inconsistencies setting extent size hints

   - fixes for missing buffer type annotations used in log recovery

   - more consolidation of libxfs headers

   - preparation patches for block based PNFS support

   - miscellaneous bug fixes and cleanups"

* tag 'xfs-for-linus-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: (37 commits)
  xfs: only trace buffer items if they exist
  xfs: report proper f_files in statfs if we overshoot imaxpct
  xfs: fix panic_mask documentation
  xfs: xfs_ioctl_setattr_check_projid can be static
  xfs: growfs should use synchronous transactions
  xfs: fix behaviour of XFS_IOC_FSSETXATTR on directories
  xfs: factor projid hint checking out of xfs_ioctl_setattr
  xfs: factor extsize hint checking out of xfs_ioctl_setattr
  xfs: XFS_IOCTL_SETXATTR can run in user namespaces
  xfs: kill xfs_ioctl_setattr behaviour mask
  xfs: disaggregate xfs_ioctl_setattr
  xfs: factor out xfs_ioctl_setattr transaciton preamble
  xfs: separate xflags from xfs_ioctl_setattr
  xfs: FSX_NONBLOCK is not used
  xfs: don't allocate an ioend for direct I/O completions
  xfs: change kmem_free to use generic kvfree()
  xfs: factor out a xfs_update_prealloc_flags() helper
  xfs: remove incorrect error negation in attr_multi ioctl
  xfs: set superblock buffer type correctly
  xfs: set buf types when converting extent formats
  ...
parents c5452a58 bad96266
......@@ -287,9 +287,9 @@ The following sysctls are available for the XFS filesystem:
XFS_ERRLEVEL_LOW: 1
XFS_ERRLEVEL_HIGH: 5
fs.xfs.panic_mask (Min: 0 Default: 0 Max: 127)
fs.xfs.panic_mask (Min: 0 Default: 0 Max: 255)
Causes certain error conditions to call BUG(). Value is a bitmask;
AND together the tags which represent errors which should cause panics:
OR together the tags which represent errors which should cause panics:
XFS_NO_PTAG 0
XFS_PTAG_IFLUSH 0x00000001
......@@ -299,6 +299,7 @@ The following sysctls are available for the XFS filesystem:
XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
XFS_PTAG_FSBLOCK_ZERO 0x00000080
This option is intended for debugging only.
......@@ -348,16 +349,13 @@ The following sysctls are available for the XFS filesystem:
Deprecated Sysctls
==================
fs.xfs.xfsbufd_centisecs (Min: 50 Default: 100 Max: 3000)
Dirty metadata is now tracked by the log subsystem and
flushing is driven by log space and idling demands. The
xfsbufd no longer exists, so this syctl does nothing.
None at present.
Due for removal in 3.14.
fs.xfs.age_buffer_centisecs (Min: 100 Default: 1500 Max: 720000)
Dirty metadata is now tracked by the log subsystem and
flushing is driven by log space and idling demands. The
xfsbufd no longer exists, so this syctl does nothing.
Removed Sysctls
===============
Due for removal in 3.14.
Name Removed
---- -------
fs.xfs.xfsbufd_centisec v3.20
fs.xfs.age_buffer_centisecs v3.20
......@@ -91,16 +91,6 @@ kmem_zalloc_large(size_t size, xfs_km_flags_t flags)
return ptr;
}
void
kmem_free(const void *ptr)
{
if (!is_vmalloc_addr(ptr)) {
kfree(ptr);
} else {
vfree(ptr);
}
}
void *
kmem_realloc(const void *ptr, size_t newsize, size_t oldsize,
xfs_km_flags_t flags)
......
......@@ -63,7 +63,10 @@ kmem_flags_convert(xfs_km_flags_t flags)
extern void *kmem_alloc(size_t, xfs_km_flags_t);
extern void *kmem_zalloc_large(size_t size, xfs_km_flags_t);
extern void *kmem_realloc(const void *, size_t, size_t, xfs_km_flags_t);
extern void kmem_free(const void *);
static inline void kmem_free(const void *ptr)
{
kvfree(ptr);
}
extern void *kmem_zalloc_greedy(size_t *, size_t, size_t);
......
......@@ -403,7 +403,7 @@ xfs_sbversion_add_attr2(xfs_mount_t *mp, xfs_trans_t *tp)
if (!xfs_sb_version_hasattr2(&mp->m_sb)) {
xfs_sb_version_addattr2(&mp->m_sb);
spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp, XFS_SB_VERSIONNUM | XFS_SB_FEATURES2);
xfs_log_sb(tp);
} else
spin_unlock(&mp->m_sb_lock);
}
......
......@@ -973,7 +973,11 @@ xfs_bmap_local_to_extents(
*firstblock = args.fsbno;
bp = xfs_btree_get_bufl(args.mp, tp, args.fsbno, 0);
/* initialise the block and copy the data */
/*
* Initialise the block and copy the data
*
* Note: init_fn must set the buffer log item type correctly!
*/
init_fn(tp, bp, ip, ifp);
/* account for the change in fork size and log everything */
......@@ -1221,22 +1225,20 @@ xfs_bmap_add_attrfork(
goto bmap_cancel;
if (!xfs_sb_version_hasattr(&mp->m_sb) ||
(!xfs_sb_version_hasattr2(&mp->m_sb) && version == 2)) {
__int64_t sbfields = 0;
bool log_sb = false;
spin_lock(&mp->m_sb_lock);
if (!xfs_sb_version_hasattr(&mp->m_sb)) {
xfs_sb_version_addattr(&mp->m_sb);
sbfields |= XFS_SB_VERSIONNUM;
log_sb = true;
}
if (!xfs_sb_version_hasattr2(&mp->m_sb) && version == 2) {
xfs_sb_version_addattr2(&mp->m_sb);
sbfields |= (XFS_SB_VERSIONNUM | XFS_SB_FEATURES2);
log_sb = true;
}
if (sbfields) {
spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp, sbfields);
} else
spin_unlock(&mp->m_sb_lock);
if (log_sb)
xfs_log_sb(tp);
}
error = xfs_bmap_finish(&tp, &flist, &committed);
......
......@@ -27,6 +27,37 @@ struct xfs_trans;
extern kmem_zone_t *xfs_bmap_free_item_zone;
/*
* Argument structure for xfs_bmap_alloc.
*/
struct xfs_bmalloca {
xfs_fsblock_t *firstblock; /* i/o first block allocated */
struct xfs_bmap_free *flist; /* bmap freelist */
struct xfs_trans *tp; /* transaction pointer */
struct xfs_inode *ip; /* incore inode pointer */
struct xfs_bmbt_irec prev; /* extent before the new one */
struct xfs_bmbt_irec got; /* extent after, or delayed */
xfs_fileoff_t offset; /* offset in file filling in */
xfs_extlen_t length; /* i/o length asked/allocated */
xfs_fsblock_t blkno; /* starting block of new extent */
struct xfs_btree_cur *cur; /* btree cursor */
xfs_extnum_t idx; /* current extent index */
int nallocs;/* number of extents alloc'd */
int logflags;/* flags for transaction logging */
xfs_extlen_t total; /* total blocks needed for xaction */
xfs_extlen_t minlen; /* minimum allocation size (blocks) */
xfs_extlen_t minleft; /* amount must be left after alloc */
bool eof; /* set if allocating past last extent */
bool wasdel; /* replacing a delayed allocation */
bool userdata;/* set if is user data */
bool aeof; /* allocated space at eof */
bool conv; /* overwriting unwritten extents */
int flags;
};
/*
* List of extents to be free "later".
* The list is kept sorted on xbf_startblock.
......@@ -149,6 +180,8 @@ void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork);
void xfs_bmap_add_free(xfs_fsblock_t bno, xfs_filblks_t len,
struct xfs_bmap_free *flist, struct xfs_mount *mp);
void xfs_bmap_cancel(struct xfs_bmap_free *flist);
int xfs_bmap_finish(struct xfs_trans **tp, struct xfs_bmap_free *flist,
int *committed);
void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork);
int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip,
xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork);
......
......@@ -151,10 +151,13 @@ typedef struct xfs_sb {
__uint32_t sb_features2; /* additional feature bits */
/*
* bad features2 field as a result of failing to pad the sb
* structure to 64 bits. Some machines will be using this field
* for features2 bits. Easiest just to mark it bad and not use
* it for anything else.
* bad features2 field as a result of failing to pad the sb structure to
* 64 bits. Some machines will be using this field for features2 bits.
* Easiest just to mark it bad and not use it for anything else.
*
* This is not kept up to date in memory; it is always overwritten by
* the value in sb_features2 when formatting the incore superblock to
* the disk buffer.
*/
__uint32_t sb_bad_features2;
......@@ -304,8 +307,8 @@ typedef enum {
#define XFS_SB_ICOUNT XFS_SB_MVAL(ICOUNT)
#define XFS_SB_IFREE XFS_SB_MVAL(IFREE)
#define XFS_SB_FDBLOCKS XFS_SB_MVAL(FDBLOCKS)
#define XFS_SB_FEATURES2 XFS_SB_MVAL(FEATURES2)
#define XFS_SB_BAD_FEATURES2 XFS_SB_MVAL(BAD_FEATURES2)
#define XFS_SB_FEATURES2 (XFS_SB_MVAL(FEATURES2) | \
XFS_SB_MVAL(BAD_FEATURES2))
#define XFS_SB_FEATURES_COMPAT XFS_SB_MVAL(FEATURES_COMPAT)
#define XFS_SB_FEATURES_RO_COMPAT XFS_SB_MVAL(FEATURES_RO_COMPAT)
#define XFS_SB_FEATURES_INCOMPAT XFS_SB_MVAL(FEATURES_INCOMPAT)
......@@ -319,9 +322,9 @@ typedef enum {
XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO | XFS_SB_GQUOTINO | \
XFS_SB_QFLAGS | XFS_SB_SHARED_VN | XFS_SB_UNIT | XFS_SB_WIDTH | \
XFS_SB_ICOUNT | XFS_SB_IFREE | XFS_SB_FDBLOCKS | XFS_SB_FEATURES2 | \
XFS_SB_BAD_FEATURES2 | XFS_SB_FEATURES_COMPAT | \
XFS_SB_FEATURES_RO_COMPAT | XFS_SB_FEATURES_INCOMPAT | \
XFS_SB_FEATURES_LOG_INCOMPAT | XFS_SB_PQUOTINO)
XFS_SB_FEATURES_COMPAT | XFS_SB_FEATURES_RO_COMPAT | \
XFS_SB_FEATURES_INCOMPAT | XFS_SB_FEATURES_LOG_INCOMPAT | \
XFS_SB_PQUOTINO)
/*
......@@ -453,13 +456,11 @@ static inline void xfs_sb_version_addattr2(struct xfs_sb *sbp)
{
sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
sbp->sb_features2 |= XFS_SB_VERSION2_ATTR2BIT;
sbp->sb_bad_features2 |= XFS_SB_VERSION2_ATTR2BIT;
}
static inline void xfs_sb_version_removeattr2(struct xfs_sb *sbp)
{
sbp->sb_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
sbp->sb_bad_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
if (!sbp->sb_features2)
sbp->sb_versionnum &= ~XFS_SB_VERSION_MOREBITSBIT;
}
......@@ -475,7 +476,6 @@ static inline void xfs_sb_version_addprojid32bit(struct xfs_sb *sbp)
{
sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
sbp->sb_features2 |= XFS_SB_VERSION2_PROJID32BIT;
sbp->sb_bad_features2 |= XFS_SB_VERSION2_PROJID32BIT;
}
/*
......
This diff is collapsed.
......@@ -27,11 +27,12 @@ extern struct xfs_perag *xfs_perag_get_tag(struct xfs_mount *, xfs_agnumber_t,
extern void xfs_perag_put(struct xfs_perag *pag);
extern int xfs_initialize_perag_data(struct xfs_mount *, xfs_agnumber_t);
extern void xfs_sb_calc_crc(struct xfs_buf *);
extern void xfs_mod_sb(struct xfs_trans *, __int64_t);
extern void xfs_sb_mount_common(struct xfs_mount *, struct xfs_sb *);
extern void xfs_sb_from_disk(struct xfs_sb *, struct xfs_dsb *);
extern void xfs_sb_to_disk(struct xfs_dsb *, struct xfs_sb *, __int64_t);
extern void xfs_sb_calc_crc(struct xfs_buf *bp);
extern void xfs_log_sb(struct xfs_trans *tp);
extern int xfs_sync_sb(struct xfs_mount *mp, bool wait);
extern void xfs_sb_mount_common(struct xfs_mount *mp, struct xfs_sb *sbp);
extern void xfs_sb_from_disk(struct xfs_sb *to, struct xfs_dsb *from);
extern void xfs_sb_to_disk(struct xfs_dsb *to, struct xfs_sb *from);
extern void xfs_sb_quota_from_disk(struct xfs_sb *sbp);
#endif /* __XFS_SB_H__ */
......@@ -82,7 +82,7 @@ extern const struct xfs_buf_ops xfs_symlink_buf_ops;
#define XFS_TRANS_ATTR_RM 23
#define XFS_TRANS_ATTR_FLAG 24
#define XFS_TRANS_CLEAR_AGI_BUCKET 25
#define XFS_TRANS_QM_SBCHANGE 26
#define XFS_TRANS_SB_CHANGE 26
/*
* Dummy entries since we use the transaction type to index into the
* trans_type[] in xlog_recover_print_trans_head()
......@@ -95,17 +95,15 @@ extern const struct xfs_buf_ops xfs_symlink_buf_ops;
#define XFS_TRANS_QM_DQCLUSTER 32
#define XFS_TRANS_QM_QINOCREATE 33
#define XFS_TRANS_QM_QUOTAOFF_END 34
#define XFS_TRANS_SB_UNIT 35
#define XFS_TRANS_FSYNC_TS 36
#define XFS_TRANS_GROWFSRT_ALLOC 37
#define XFS_TRANS_GROWFSRT_ZERO 38
#define XFS_TRANS_GROWFSRT_FREE 39
#define XFS_TRANS_SWAPEXT 40
#define XFS_TRANS_SB_COUNT 41
#define XFS_TRANS_CHECKPOINT 42
#define XFS_TRANS_ICREATE 43
#define XFS_TRANS_CREATE_TMPFILE 44
#define XFS_TRANS_TYPE_MAX 44
#define XFS_TRANS_FSYNC_TS 35
#define XFS_TRANS_GROWFSRT_ALLOC 36
#define XFS_TRANS_GROWFSRT_ZERO 37
#define XFS_TRANS_GROWFSRT_FREE 38
#define XFS_TRANS_SWAPEXT 39
#define XFS_TRANS_CHECKPOINT 40
#define XFS_TRANS_ICREATE 41
#define XFS_TRANS_CREATE_TMPFILE 42
#define XFS_TRANS_TYPE_MAX 43
/* new transaction types need to be reflected in xfs_logprint(8) */
#define XFS_TRANS_TYPES \
......@@ -113,7 +111,6 @@ extern const struct xfs_buf_ops xfs_symlink_buf_ops;
{ XFS_TRANS_SETATTR_SIZE, "SETATTR_SIZE" }, \
{ XFS_TRANS_INACTIVE, "INACTIVE" }, \
{ XFS_TRANS_CREATE, "CREATE" }, \
{ XFS_TRANS_CREATE_TMPFILE, "CREATE_TMPFILE" }, \
{ XFS_TRANS_CREATE_TRUNC, "CREATE_TRUNC" }, \
{ XFS_TRANS_TRUNCATE_FILE, "TRUNCATE_FILE" }, \
{ XFS_TRANS_REMOVE, "REMOVE" }, \
......@@ -134,23 +131,23 @@ extern const struct xfs_buf_ops xfs_symlink_buf_ops;
{ XFS_TRANS_ATTR_RM, "ATTR_RM" }, \
{ XFS_TRANS_ATTR_FLAG, "ATTR_FLAG" }, \
{ XFS_TRANS_CLEAR_AGI_BUCKET, "CLEAR_AGI_BUCKET" }, \
{ XFS_TRANS_QM_SBCHANGE, "QM_SBCHANGE" }, \
{ XFS_TRANS_SB_CHANGE, "SBCHANGE" }, \
{ XFS_TRANS_DUMMY1, "DUMMY1" }, \
{ XFS_TRANS_DUMMY2, "DUMMY2" }, \
{ XFS_TRANS_QM_QUOTAOFF, "QM_QUOTAOFF" }, \
{ XFS_TRANS_QM_DQALLOC, "QM_DQALLOC" }, \
{ XFS_TRANS_QM_SETQLIM, "QM_SETQLIM" }, \
{ XFS_TRANS_QM_DQCLUSTER, "QM_DQCLUSTER" }, \
{ XFS_TRANS_QM_QINOCREATE, "QM_QINOCREATE" }, \
{ XFS_TRANS_QM_QUOTAOFF_END, "QM_QOFF_END" }, \
{ XFS_TRANS_SB_UNIT, "SB_UNIT" }, \
{ XFS_TRANS_FSYNC_TS, "FSYNC_TS" }, \
{ XFS_TRANS_GROWFSRT_ALLOC, "GROWFSRT_ALLOC" }, \
{ XFS_TRANS_GROWFSRT_ZERO, "GROWFSRT_ZERO" }, \
{ XFS_TRANS_GROWFSRT_FREE, "GROWFSRT_FREE" }, \
{ XFS_TRANS_SWAPEXT, "SWAPEXT" }, \
{ XFS_TRANS_SB_COUNT, "SB_COUNT" }, \
{ XFS_TRANS_CHECKPOINT, "CHECKPOINT" }, \
{ XFS_TRANS_DUMMY1, "DUMMY1" }, \
{ XFS_TRANS_DUMMY2, "DUMMY2" }, \
{ XFS_TRANS_ICREATE, "ICREATE" }, \
{ XFS_TRANS_CREATE_TMPFILE, "CREATE_TMPFILE" }, \
{ XLOG_UNMOUNT_REC_TYPE, "UNMOUNT" }
/*
......
......@@ -178,6 +178,8 @@ xfs_symlink_local_to_remote(
struct xfs_mount *mp = ip->i_mount;
char *buf;
xfs_trans_buf_set_type(tp, bp, XFS_BLFT_SYMLINK_BUF);
if (!xfs_sb_version_hascrc(&mp->m_sb)) {
bp->b_ops = NULL;
memcpy(bp->b_addr, ifp->if_u1.if_data, ifp->if_bytes);
......
......@@ -715,17 +715,6 @@ xfs_calc_clear_agi_bucket_reservation(
return xfs_calc_buf_res(1, mp->m_sb.sb_sectsize);
}
/*
* Clearing the quotaflags in the superblock.
* the super block for changing quota flags: sector size
*/
STATIC uint
xfs_calc_qm_sbchange_reservation(
struct xfs_mount *mp)
{
return xfs_calc_buf_res(1, mp->m_sb.sb_sectsize);
}
/*
* Adjusting quota limits.
* the xfs_disk_dquot_t: sizeof(struct xfs_disk_dquot)
......@@ -864,9 +853,6 @@ xfs_trans_resv_calc(
* The following transactions are logged in logical format with
* a default log count.
*/
resp->tr_qm_sbchange.tr_logres = xfs_calc_qm_sbchange_reservation(mp);
resp->tr_qm_sbchange.tr_logcount = XFS_DEFAULT_LOG_COUNT;
resp->tr_qm_setqlim.tr_logres = xfs_calc_qm_setqlim_reservation(mp);
resp->tr_qm_setqlim.tr_logcount = XFS_DEFAULT_LOG_COUNT;
......
......@@ -56,7 +56,6 @@ struct xfs_trans_resv {
struct xfs_trans_res tr_growrtalloc; /* grow realtime allocations */
struct xfs_trans_res tr_growrtzero; /* grow realtime zeroing */
struct xfs_trans_res tr_growrtfree; /* grow realtime freeing */
struct xfs_trans_res tr_qm_sbchange; /* change quota flags */
struct xfs_trans_res tr_qm_setqlim; /* adjust quota limits */
struct xfs_trans_res tr_qm_dqalloc; /* allocate quota on disk */
struct xfs_trans_res tr_qm_quotaoff; /* turn quota off */
......
......@@ -135,30 +135,22 @@ xfs_setfilesize_trans_alloc(
*/
STATIC int
xfs_setfilesize(
struct xfs_ioend *ioend)
struct xfs_inode *ip,
struct xfs_trans *tp,
xfs_off_t offset,
size_t size)
{
struct xfs_inode *ip = XFS_I(ioend->io_inode);
struct xfs_trans *tp = ioend->io_append_trans;
xfs_fsize_t isize;
/*
* The transaction may have been allocated in the I/O submission thread,
* thus we need to mark ourselves as beeing in a transaction manually.
* Similarly for freeze protection.
*/
current_set_flags_nested(&tp->t_pflags, PF_FSTRANS);
rwsem_acquire_read(&VFS_I(ip)->i_sb->s_writers.lock_map[SB_FREEZE_FS-1],
0, 1, _THIS_IP_);
xfs_ilock(ip, XFS_ILOCK_EXCL);
isize = xfs_new_eof(ip, ioend->io_offset + ioend->io_size);
isize = xfs_new_eof(ip, offset + size);
if (!isize) {
xfs_iunlock(ip, XFS_ILOCK_EXCL);
xfs_trans_cancel(tp, 0);
return 0;
}
trace_xfs_setfilesize(ip, ioend->io_offset, ioend->io_size);
trace_xfs_setfilesize(ip, offset, size);
ip->i_d.di_size = isize;
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
......@@ -167,6 +159,25 @@ xfs_setfilesize(
return xfs_trans_commit(tp, 0);
}
STATIC int
xfs_setfilesize_ioend(
struct xfs_ioend *ioend)
{
struct xfs_inode *ip = XFS_I(ioend->io_inode);
struct xfs_trans *tp = ioend->io_append_trans;
/*
* The transaction may have been allocated in the I/O submission thread,
* thus we need to mark ourselves as being in a transaction manually.
* Similarly for freeze protection.
*/
current_set_flags_nested(&tp->t_pflags, PF_FSTRANS);
rwsem_acquire_read(&VFS_I(ip)->i_sb->s_writers.lock_map[SB_FREEZE_FS-1],
0, 1, _THIS_IP_);
return xfs_setfilesize(ip, tp, ioend->io_offset, ioend->io_size);
}
/*
* Schedule IO completion handling on the final put of an ioend.
*
......@@ -182,8 +193,7 @@ xfs_finish_ioend(
if (ioend->io_type == XFS_IO_UNWRITTEN)
queue_work(mp->m_unwritten_workqueue, &ioend->io_work);
else if (ioend->io_append_trans ||
(ioend->io_isdirect && xfs_ioend_is_append(ioend)))
else if (ioend->io_append_trans)
queue_work(mp->m_data_workqueue, &ioend->io_work);
else
xfs_destroy_ioend(ioend);
......@@ -215,22 +225,8 @@ xfs_end_io(
if (ioend->io_type == XFS_IO_UNWRITTEN) {
error = xfs_iomap_write_unwritten(ip, ioend->io_offset,
ioend->io_size);
} else if (ioend->io_isdirect && xfs_ioend_is_append(ioend)) {
/*
* For direct I/O we do not know if we need to allocate blocks
* or not so we can't preallocate an append transaction as that
* results in nested reservations and log space deadlocks. Hence
* allocate the transaction here. While this is sub-optimal and
* can block IO completion for some time, we're stuck with doing
* it this way until we can pass the ioend to the direct IO
* allocation callbacks and avoid nesting that way.
*/
error = xfs_setfilesize_trans_alloc(ioend);
if (error)
goto done;
error = xfs_setfilesize(ioend);
} else if (ioend->io_append_trans) {
error = xfs_setfilesize(ioend);
error = xfs_setfilesize_ioend(ioend);
} else {
ASSERT(!xfs_ioend_is_append(ioend));
}
......@@ -241,17 +237,6 @@ xfs_end_io(
xfs_destroy_ioend(ioend);
}
/*
* Call IO completion handling in caller context on the final put of an ioend.
*/
STATIC void
xfs_finish_ioend_sync(
struct xfs_ioend *ioend)
{
if (atomic_dec_and_test(&ioend->io_remaining))
xfs_end_io(&ioend->io_work);
}
/*
* Allocate and initialise an IO completion structure.
* We need to track unwritten extent write completion here initially.
......@@ -273,7 +258,6 @@ xfs_alloc_ioend(
* all the I/O from calling the completion routine too early.
*/
atomic_set(&ioend->io_remaining, 1);
ioend->io_isdirect = 0;
ioend->io_error = 0;
ioend->io_list = NULL;
ioend->io_type = type;
......@@ -1459,11 +1443,7 @@ xfs_get_blocks_direct(
*
* If the private argument is non-NULL __xfs_get_blocks signals us that we
* need to issue a transaction to convert the range from unwritten to written
* extents. In case this is regular synchronous I/O we just call xfs_end_io
* to do this and we are done. But in case this was a successful AIO
* request this handler is called from interrupt context, from which we
* can't start transactions. In that case offload the I/O completion to
* the workqueues we also use for buffered I/O completion.
* extents.
*/
STATIC void
xfs_end_io_direct_write(
......@@ -1472,7 +1452,12 @@ xfs_end_io_direct_write(
ssize_t size,
void *private)
{
struct xfs_ioend *ioend = iocb->private;
struct inode *inode = file_inode(iocb->ki_filp);
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
if (XFS_FORCED_SHUTDOWN(mp))
return;
/*
* While the generic direct I/O code updates the inode size, it does
......@@ -1480,22 +1465,33 @@ xfs_end_io_direct_write(
* end_io handler thinks the on-disk size is outside the in-core
* size. To prevent this just update it a little bit earlier here.
*/
if (offset + size > i_size_read(ioend->io_inode))
i_size_write(ioend->io_inode, offset + size);
if (offset + size > i_size_read(inode))
i_size_write(inode, offset + size);
/*
* blockdev_direct_IO can return an error even after the I/O
* completion handler was called. Thus we need to protect
* against double-freeing.
* For direct I/O we do not know if we need to allocate blocks or not,
* so we can't preallocate an append transaction, as that results in
* nested reservations and log space deadlocks. Hence allocate the
* transaction here. While this is sub-optimal and can block IO
* completion for some time, we're stuck with doing it this way until
* we can pass the ioend to the direct IO allocation callbacks and
* avoid nesting that way.
*/
iocb->private = NULL;
if (private && size > 0) {
xfs_iomap_write_unwritten(ip, offset, size);
} else if (offset + size > ip->i_d.di_size) {
struct xfs_trans *tp;
int error;
ioend->io_offset = offset;
ioend->io_size = size;
if (private && size > 0)
ioend->io_type = XFS_IO_UNWRITTEN;
tp = xfs_trans_alloc(mp, XFS_TRANS_FSYNC_TS);
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_fsyncts, 0, 0);
if (error) {
xfs_trans_cancel(tp, 0);
return;
}
xfs_finish_ioend_sync(ioend);
xfs_setfilesize(ip, tp, offset, size);
}
}
STATIC ssize_t
......@@ -1507,39 +1503,16 @@ xfs_vm_direct_IO(
{
struct inode *inode = iocb->ki_filp->f_mapping->host;
struct block_device *bdev = xfs_find_bdev_for_inode(inode);
struct xfs_ioend *ioend = NULL;
ssize_t ret;
if (rw & WRITE) {
size_t size = iov_iter_count(iter);
/*
* We cannot preallocate a size update transaction here as we
* don't know whether allocation is necessary or not. Hence we
* can only tell IO completion that one is necessary if we are
* not doing unwritten extent conversion.
*/
iocb->private = ioend = xfs_alloc_ioend(inode, XFS_IO_DIRECT);
if (offset + size > XFS_I(inode)->i_d.di_size)
ioend->io_isdirect = 1;
ret = __blockdev_direct_IO(rw, iocb, inode, bdev, iter,
return __blockdev_direct_IO(rw, iocb, inode, bdev, iter,
offset, xfs_get_blocks_direct,
xfs_end_io_direct_write, NULL,
DIO_ASYNC_EXTEND);
if (ret != -EIOCBQUEUED && iocb->private)
goto out_destroy_ioend;
} else {
ret = __blockdev_direct_IO(rw, iocb, inode, bdev, iter,
}
return __blockdev_direct_IO(rw, iocb, inode, bdev, iter,
offset, xfs_get_blocks_direct,
NULL, NULL, 0);
}
return ret;
out_destroy_ioend:
xfs_destroy_ioend(ioend);
return ret;
}
/*
......
......@@ -24,14 +24,12 @@ extern mempool_t *xfs_ioend_pool;
* Types of I/O for bmap clustering and I/O completion tracking.
*/
enum {
XFS_IO_DIRECT = 0, /* special case for direct I/O ioends */
XFS_IO_DELALLOC, /* covers delalloc region */
XFS_IO_UNWRITTEN, /* covers allocated but uninitialized data */
XFS_IO_OVERWRITE, /* covers already allocated extent */
};
#define XFS_IO_TYPES \
{ 0, "" }, \
{ XFS_IO_DELALLOC, "delalloc" }, \
{ XFS_IO_UNWRITTEN, "unwritten" }, \
{ XFS_IO_OVERWRITE, "overwrite" }
......@@ -45,7 +43,6 @@ typedef struct xfs_ioend {
unsigned int io_type; /* delalloc / unwritten */
int io_error; /* I/O error code */
atomic_t io_remaining; /* hold count */
unsigned int io_isdirect : 1;/* direct I/O */
struct inode *io_inode; /* file being written to */
struct buffer_head *io_buffer_head;/* buffer linked list head */
struct buffer_head *io_buffer_tail;/* buffer linked list tail */
......
......@@ -26,43 +26,8 @@ struct xfs_ifork;
struct xfs_inode;
struct xfs_mount;
struct xfs_trans;
struct xfs_bmalloca;
/*
* Argument structure for xfs_bmap_alloc.
*/
struct xfs_bmalloca {
xfs_fsblock_t *firstblock; /* i/o first block allocated */
struct xfs_bmap_free *flist; /* bmap freelist */
struct xfs_trans *tp; /* transaction pointer */
struct xfs_inode *ip; /* incore inode pointer */
struct xfs_bmbt_irec prev; /* extent before the new one */
struct xfs_bmbt_irec got; /* extent after, or delayed */
xfs_fileoff_t offset; /* offset in file filling in */
xfs_extlen_t length; /* i/o length asked/allocated */
xfs_fsblock_t blkno; /* starting block of new extent */
struct xfs_btree_cur *cur; /* btree cursor */
xfs_extnum_t idx; /* current extent index */
int nallocs;/* number of extents alloc'd */
int logflags;/* flags for transaction logging */
xfs_extlen_t total; /* total blocks needed for xaction */
xfs_extlen_t minlen; /* minimum allocation size (blocks) */
xfs_extlen_t minleft; /* amount must be left after alloc */
bool eof; /* set if allocating past last extent */
bool wasdel; /* replacing a delayed allocation */
bool userdata;/* set if is user data */
bool aeof; /* allocated space at eof */
bool conv; /* overwriting unwritten extents */
int flags;
struct completion *done;
struct work_struct work;
int result;
};
int xfs_bmap_finish(struct xfs_trans **tp, struct xfs_bmap_free *flist,
int *committed);
int xfs_bmap_rtalloc(struct xfs_bmalloca *ap);
int xfs_bmap_eof(struct xfs_inode *ip, xfs_fileoff_t endoff,
int whichfork, int *eof);
......
......@@ -319,6 +319,10 @@ xfs_buf_item_format(
ASSERT(atomic_read(&bip->bli_refcount) > 0);
ASSERT((bip->bli_flags & XFS_BLI_LOGGED) ||
(bip->bli_flags & XFS_BLI_STALE));
ASSERT((bip->bli_flags & XFS_BLI_STALE) ||
(xfs_blft_from_flags(&bip->__bli_format) > XFS_BLFT_UNKNOWN_BUF
&& xfs_blft_from_flags(&bip->__bli_format) < XFS_BLFT_MAX_BUF));
/*
* If it is an inode buffer, transfer the in-memory state to the
......@@ -535,7 +539,7 @@ xfs_buf_item_push(
if ((bp->b_flags & XBF_WRITE_FAIL) &&
___ratelimit(&xfs_buf_write_fail_rl_state, "XFS:")) {
xfs_warn(bp->b_target->bt_mount,
"Detected failing async write on buffer block 0x%llx. Retrying async write.\n",
"Detected failing async write on buffer block 0x%llx. Retrying async write.",
(long long)bp->b_bn);
}
......
......@@ -86,7 +86,7 @@ static inline void xfs_dqflock(xfs_dquot_t *dqp)
wait_for_completion(&dqp->q_flush);
}
static inline int xfs_dqflock_nowait(xfs_dquot_t *dqp)
static inline bool xfs_dqflock_nowait(xfs_dquot_t *dqp)
{
return try_wait_for_completion(&dqp->q_flush);
}
......
......@@ -127,6 +127,42 @@ xfs_iozero(
return (-status);
}
int
xfs_update_prealloc_flags(
struct xfs_inode *ip,
enum xfs_prealloc_flags flags)
{
struct xfs_trans *tp;
int error;
tp = xfs_trans_alloc(ip->i_mount, XFS_TRANS_WRITEID);
error = xfs_trans_reserve(tp, &M_RES(ip->i_mount)->tr_writeid, 0, 0);
if (error) {
xfs_trans_cancel(tp, 0);
return error;
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
if (!(flags & XFS_PREALLOC_INVISIBLE)) {
ip->i_d.di_mode &= ~S_ISUID;
if (ip->i_d.di_mode & S_IXGRP)
ip->i_d.di_mode &= ~S_ISGID;
xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
}
if (flags & XFS_PREALLOC_SET)
ip->i_d.di_flags |= XFS_DIFLAG_PREALLOC;
if (flags & XFS_PREALLOC_CLEAR)
ip->i_d.di_flags &= ~XFS_DIFLAG_PREALLOC;
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
if (flags & XFS_PREALLOC_SYNC)
xfs_trans_set_sync(tp);
return xfs_trans_commit(tp, 0);
}
/*
* Fsync operations on directories are much simpler than on regular files,
* as there is no file data to flush, and thus also no need for explicit
......@@ -784,8 +820,8 @@ xfs_file_fallocate(
{
struct inode *inode = file_inode(file);
struct xfs_inode *ip = XFS_I(inode);
struct xfs_trans *tp;
long error;
enum xfs_prealloc_flags flags = 0;
loff_t new_size = 0;
if (!S_ISREG(inode->i_mode))
......@@ -822,6 +858,8 @@ xfs_file_fallocate(
if (error)
goto out_unlock;
} else {
flags |= XFS_PREALLOC_SET;
if (!(mode & FALLOC_FL_KEEP_SIZE) &&
offset + len > i_size_read(inode)) {
new_size = offset + len;
......@@ -839,28 +877,10 @@ xfs_file_fallocate(
goto out_unlock;
}
tp = xfs_trans_alloc(ip->i_mount, XFS_TRANS_WRITEID);
error = xfs_trans_reserve(tp, &M_RES(ip->i_mount)->tr_writeid, 0, 0);
if (error) {
xfs_trans_cancel(tp, 0);
goto out_unlock;
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
ip->i_d.di_mode &= ~S_ISUID;
if (ip->i_d.di_mode & S_IXGRP)
ip->i_d.di_mode &= ~S_ISGID;
if (!(mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE)))
ip->i_d.di_flags |= XFS_DIFLAG_PREALLOC;
xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
if (file->f_flags & O_DSYNC)
xfs_trans_set_sync(tp);
error = xfs_trans_commit(tp, 0);
flags |= XFS_PREALLOC_SYNC;
error = xfs_update_prealloc_flags(ip, flags);
if (error)
goto out_unlock;
......
......@@ -488,6 +488,7 @@ xfs_growfs_data_private(
xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, nfree);
if (dpct)
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IMAXPCT, dpct);
xfs_trans_set_sync(tp);
error = xfs_trans_commit(tp, 0);
if (error)
return error;
......@@ -541,7 +542,7 @@ xfs_growfs_data_private(
saved_error = error;
continue;
}
xfs_sb_to_disk(XFS_BUF_TO_SBP(bp), &mp->m_sb, XFS_SB_ALL_BITS);
xfs_sb_to_disk(XFS_BUF_TO_SBP(bp), &mp->m_sb);
error = xfs_bwrite(bp);
xfs_buf_relse(bp);
......@@ -756,37 +757,6 @@ xfs_reserve_blocks(
return 0;
}
/*
* Dump a transaction into the log that contains no real change. This is needed
* to be able to make the log dirty or stamp the current tail LSN into the log
* during the covering operation.
*
* We cannot use an inode here for this - that will push dirty state back up
* into the VFS and then periodic inode flushing will prevent log covering from
* making progress. Hence we log a field in the superblock instead and use a
* synchronous transaction to ensure the superblock is immediately unpinned
* and can be written back.
*/
int
xfs_fs_log_dummy(
xfs_mount_t *mp)
{
xfs_trans_t *tp;
int error;
tp = _xfs_trans_alloc(mp, XFS_TRANS_DUMMY1, KM_SLEEP);
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_sb, 0, 0);
if (error) {
xfs_trans_cancel(tp, 0);
return error;
}
/* log the UUID because it is an unchanging field */
xfs_mod_sb(tp, XFS_SB_UUID);
xfs_trans_set_sync(tp);
return xfs_trans_commit(tp, 0);
}
int
xfs_fs_goingdown(
xfs_mount_t *mp,
......
......@@ -1995,6 +1995,7 @@ xfs_iunlink(
agi->agi_unlinked[bucket_index] = cpu_to_be32(agino);
offset = offsetof(xfs_agi_t, agi_unlinked) +
(sizeof(xfs_agino_t) * bucket_index);
xfs_trans_buf_set_type(tp, agibp, XFS_BLFT_AGI_BUF);
xfs_trans_log_buf(tp, agibp, offset,
(offset + sizeof(xfs_agino_t) - 1));
return 0;
......@@ -2086,6 +2087,7 @@ xfs_iunlink_remove(
agi->agi_unlinked[bucket_index] = cpu_to_be32(next_agino);
offset = offsetof(xfs_agi_t, agi_unlinked) +
(sizeof(xfs_agino_t) * bucket_index);
xfs_trans_buf_set_type(tp, agibp, XFS_BLFT_AGI_BUF);
xfs_trans_log_buf(tp, agibp, offset,
(offset + sizeof(xfs_agino_t) - 1));
} else {
......@@ -2655,6 +2657,124 @@ xfs_sort_for_rename(
}
}
/*
* xfs_cross_rename()
*
* responsible for handling RENAME_EXCHANGE flag in renameat2() sytemcall
*/
STATIC int
xfs_cross_rename(
struct xfs_trans *tp,
struct xfs_inode *dp1,
struct xfs_name *name1,
struct xfs_inode *ip1,
struct xfs_inode *dp2,
struct xfs_name *name2,
struct xfs_inode *ip2,
struct xfs_bmap_free *free_list,
xfs_fsblock_t *first_block,
int spaceres)
{
int error = 0;
int ip1_flags = 0;
int ip2_flags = 0;
int dp2_flags = 0;
/* Swap inode number for dirent in first parent */
error = xfs_dir_replace(tp, dp1, name1,
ip2->i_ino,
first_block, free_list, spaceres);
if (error)
goto out;
/* Swap inode number for dirent in second parent */
error = xfs_dir_replace(tp, dp2, name2,
ip1->i_ino,
first_block, free_list, spaceres);
if (error)
goto out;
/*
* If we're renaming one or more directories across different parents,
* update the respective ".." entries (and link counts) to match the new
* parents.
*/
if (dp1 != dp2) {
dp2_flags = XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG;
if (S_ISDIR(ip2->i_d.di_mode)) {
error = xfs_dir_replace(tp, ip2, &xfs_name_dotdot,
dp1->i_ino, first_block,
free_list, spaceres);
if (error)
goto out;
/* transfer ip2 ".." reference to dp1 */
if (!S_ISDIR(ip1->i_d.di_mode)) {
error = xfs_droplink(tp, dp2);
if (error)
goto out;
error = xfs_bumplink(tp, dp1);
if (error)
goto out;
}
/*
* Although ip1 isn't changed here, userspace needs
* to be warned about the change, so that applications
* relying on it (like backup ones), will properly
* notify the change
*/
ip1_flags |= XFS_ICHGTIME_CHG;
ip2_flags |= XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG;
}
if (S_ISDIR(ip1->i_d.di_mode)) {
error = xfs_dir_replace(tp, ip1, &xfs_name_dotdot,
dp2->i_ino, first_block,
free_list, spaceres);
if (error)
goto out;
/* transfer ip1 ".." reference to dp2 */
if (!S_ISDIR(ip2->i_d.di_mode)) {
error = xfs_droplink(tp, dp1);
if (error)
goto out;
error = xfs_bumplink(tp, dp2);
if (error)
goto out;
}
/*
* Although ip2 isn't changed here, userspace needs
* to be warned about the change, so that applications
* relying on it (like backup ones), will properly
* notify the change
*/
ip1_flags |= XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG;
ip2_flags |= XFS_ICHGTIME_CHG;
}
}
if (ip1_flags) {
xfs_trans_ichgtime(tp, ip1, ip1_flags);
xfs_trans_log_inode(tp, ip1, XFS_ILOG_CORE);
}
if (ip2_flags) {
xfs_trans_ichgtime(tp, ip2, ip2_flags);
xfs_trans_log_inode(tp, ip2, XFS_ILOG_CORE);
}
if (dp2_flags) {
xfs_trans_ichgtime(tp, dp2, dp2_flags);
xfs_trans_log_inode(tp, dp2, XFS_ILOG_CORE);
}
xfs_trans_ichgtime(tp, dp1, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, dp1, XFS_ILOG_CORE);
out:
return error;
}
/*
* xfs_rename
*/
......@@ -2665,7 +2785,8 @@ xfs_rename(
xfs_inode_t *src_ip,
xfs_inode_t *target_dp,
struct xfs_name *target_name,
xfs_inode_t *target_ip)
xfs_inode_t *target_ip,
unsigned int flags)
{
xfs_trans_t *tp = NULL;
xfs_mount_t *mp = src_dp->i_mount;
......@@ -2742,6 +2863,18 @@ xfs_rename(
goto error_return;
}
/*
* Handle RENAME_EXCHANGE flags
*/
if (flags & RENAME_EXCHANGE) {
error = xfs_cross_rename(tp, src_dp, src_name, src_ip,
target_dp, target_name, target_ip,
&free_list, &first_block, spaceres);
if (error)
goto abort_return;
goto finish_rename;
}
/*
* Set up the target.
*/
......@@ -2881,6 +3014,7 @@ xfs_rename(
if (new_parent)
xfs_trans_log_inode(tp, target_dp, XFS_ILOG_CORE);
finish_rename:
/*
* If this is a synchronous mount, make sure that the
* rename transaction goes to disk before returning to
......
......@@ -338,7 +338,7 @@ int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip,
int xfs_rename(struct xfs_inode *src_dp, struct xfs_name *src_name,
struct xfs_inode *src_ip, struct xfs_inode *target_dp,
struct xfs_name *target_name,
struct xfs_inode *target_ip);
struct xfs_inode *target_ip, unsigned int flags);
void xfs_ilock(xfs_inode_t *, uint);
int xfs_ilock_nowait(xfs_inode_t *, uint);
......@@ -377,6 +377,15 @@ int xfs_droplink(struct xfs_trans *, struct xfs_inode *);
int xfs_bumplink(struct xfs_trans *, struct xfs_inode *);
/* from xfs_file.c */
enum xfs_prealloc_flags {
XFS_PREALLOC_SET = (1 << 1),
XFS_PREALLOC_CLEAR = (1 << 2),
XFS_PREALLOC_SYNC = (1 << 3),
XFS_PREALLOC_INVISIBLE = (1 << 4),
};
int xfs_update_prealloc_flags(struct xfs_inode *,
enum xfs_prealloc_flags);
int xfs_zero_eof(struct xfs_inode *, xfs_off_t, xfs_fsize_t);
int xfs_iozero(struct xfs_inode *, loff_t, size_t);
......
This diff is collapsed.
......@@ -423,7 +423,7 @@ xfs_compat_attrmulti_by_handle(
ops = memdup_user(compat_ptr(am_hreq.ops), size);
if (IS_ERR(ops)) {
error = -PTR_ERR(ops);
error = PTR_ERR(ops);
goto out_dput;
}
......
......@@ -802,7 +802,7 @@ int
xfs_iomap_write_unwritten(
xfs_inode_t *ip,
xfs_off_t offset,
size_t count)
xfs_off_t count)
{
xfs_mount_t *mp = ip->i_mount;
xfs_fileoff_t offset_fsb;
......
......@@ -27,6 +27,6 @@ int xfs_iomap_write_delay(struct xfs_inode *, xfs_off_t, size_t,
struct xfs_bmbt_irec *);
int xfs_iomap_write_allocate(struct xfs_inode *, xfs_off_t,
struct xfs_bmbt_irec *);
int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, size_t);
int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t);
#endif /* __XFS_IOMAP_H__*/
......@@ -380,18 +380,27 @@ xfs_vn_rename(
struct inode *odir,
struct dentry *odentry,
struct inode *ndir,
struct dentry *ndentry)
struct dentry *ndentry,
unsigned int flags)
{
struct inode *new_inode = ndentry->d_inode;
int omode = 0;
struct xfs_name oname;
struct xfs_name nname;
xfs_dentry_to_name(&oname, odentry, 0);
if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE))
return -EINVAL;
/* if we are exchanging files, we need to set i_mode of both files */
if (flags & RENAME_EXCHANGE)
omode = ndentry->d_inode->i_mode;
xfs_dentry_to_name(&oname, odentry, omode);
xfs_dentry_to_name(&nname, ndentry, odentry->d_inode->i_mode);
return xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode),
XFS_I(ndir), &nname, new_inode ?
XFS_I(new_inode) : NULL);
XFS_I(ndir), &nname,
new_inode ? XFS_I(new_inode) : NULL, flags);
}
/*
......@@ -1144,7 +1153,7 @@ static const struct inode_operations xfs_dir_inode_operations = {
*/
.rmdir = xfs_vn_unlink,
.mknod = xfs_vn_mknod,
.rename = xfs_vn_rename,
.rename2 = xfs_vn_rename,
.get_acl = xfs_get_acl,
.set_acl = xfs_set_acl,
.getattr = xfs_vn_getattr,
......@@ -1172,7 +1181,7 @@ static const struct inode_operations xfs_dir_ci_inode_operations = {
*/
.rmdir = xfs_vn_unlink,
.mknod = xfs_vn_mknod,
.rename = xfs_vn_rename,
.rename2 = xfs_vn_rename,
.get_acl = xfs_get_acl,
.set_acl = xfs_set_acl,
.getattr = xfs_vn_getattr,
......
......@@ -33,6 +33,7 @@
#include "xfs_fsops.h"
#include "xfs_cksum.h"
#include "xfs_sysfs.h"
#include "xfs_sb.h"
kmem_zone_t *xfs_log_ticket_zone;
......@@ -1290,9 +1291,20 @@ xfs_log_worker(
struct xfs_mount *mp = log->l_mp;
/* dgc: errors ignored - not fatal and nowhere to report them */
if (xfs_log_need_covered(mp))
xfs_fs_log_dummy(mp);
else
if (xfs_log_need_covered(mp)) {
/*
* Dump a transaction into the log that contains no real change.
* This is needed to stamp the current tail LSN into the log
* during the covering operation.
*
* We cannot use an inode here for this - that will push dirty
* state back up into the VFS and then periodic inode flushing
* will prevent log covering from making progress. Hence we
* synchronously log the superblock instead to ensure the
* superblock is immediately unpinned and can be written back.
*/
xfs_sync_sb(mp, true);
} else
xfs_log_force(mp, 0);
/* start pushing all the metadata that is currently dirty */
......@@ -1395,6 +1407,8 @@ xlog_alloc_log(
ASSERT(xfs_buf_islocked(bp));
xfs_buf_unlock(bp);
/* use high priority wq for log I/O completion */
bp->b_ioend_wq = mp->m_log_workqueue;
bp->b_iodone = xlog_iodone;
log->l_xbuf = bp;
......@@ -1427,6 +1441,8 @@ xlog_alloc_log(
ASSERT(xfs_buf_islocked(bp));
xfs_buf_unlock(bp);
/* use high priority wq for log I/O completion */
bp->b_ioend_wq = mp->m_log_workqueue;
bp->b_iodone = xlog_iodone;
iclog->ic_bp = bp;
iclog->ic_data = bp->b_addr;
......@@ -1806,8 +1822,6 @@ xlog_sync(
XFS_BUF_ZEROFLAGS(bp);
XFS_BUF_ASYNC(bp);
bp->b_flags |= XBF_SYNCIO;
/* use high priority completion wq */
bp->b_ioend_wq = log->l_mp->m_log_workqueue;
if (log->l_mp->m_flags & XFS_MOUNT_BARRIER) {
bp->b_flags |= XBF_FUA;
......@@ -1856,8 +1870,6 @@ xlog_sync(
bp->b_flags |= XBF_SYNCIO;
if (log->l_mp->m_flags & XFS_MOUNT_BARRIER)
bp->b_flags |= XBF_FUA;
/* use high priority completion wq */
bp->b_ioend_wq = log->l_mp->m_log_workqueue;
ASSERT(XFS_BUF_ADDR(bp) <= log->l_logBBsize-1);
ASSERT(XFS_BUF_ADDR(bp) + BTOBB(count) <= log->l_logBBsize);
......@@ -2027,7 +2039,7 @@ xlog_print_tic_res(
" total reg = %u bytes (o/flow = %u bytes)\n"
" ophdrs = %u (ophdr space = %u bytes)\n"
" ophdr + reg = %u bytes\n"
" num regions = %u\n",
" num regions = %u",
((ticket->t_trans_type <= 0 ||
ticket->t_trans_type > XFS_TRANS_TYPE_MAX) ?
"bad-trans-type" : trans_type_str[ticket->t_trans_type-1]),
......
......@@ -408,11 +408,11 @@ xfs_update_alignment(xfs_mount_t *mp)
if (xfs_sb_version_hasdalign(sbp)) {
if (sbp->sb_unit != mp->m_dalign) {
sbp->sb_unit = mp->m_dalign;
mp->m_update_flags |= XFS_SB_UNIT;
mp->m_update_sb = true;
}
if (sbp->sb_width != mp->m_swidth) {
sbp->sb_width = mp->m_swidth;
mp->m_update_flags |= XFS_SB_WIDTH;
mp->m_update_sb = true;
}
} else {
xfs_warn(mp,
......@@ -583,38 +583,19 @@ int
xfs_mount_reset_sbqflags(
struct xfs_mount *mp)
{
int error;
struct xfs_trans *tp;
mp->m_qflags = 0;
/*
* It is OK to look at sb_qflags here in mount path,
* without m_sb_lock.
*/
/* It is OK to look at sb_qflags in the mount path without m_sb_lock. */
if (mp->m_sb.sb_qflags == 0)
return 0;
spin_lock(&mp->m_sb_lock);
mp->m_sb.sb_qflags = 0;
spin_unlock(&mp->m_sb_lock);
/*
* If the fs is readonly, let the incore superblock run
* with quotas off but don't flush the update out to disk
*/
if (mp->m_flags & XFS_MOUNT_RDONLY)
if (!xfs_fs_writable(mp, SB_FREEZE_WRITE))
return 0;
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SBCHANGE);
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_sbchange, 0, 0);
if (error) {
xfs_trans_cancel(tp, 0);
xfs_alert(mp, "%s: Superblock update failed!", __func__);
return error;
}
xfs_mod_sb(tp, XFS_SB_QFLAGS);
return xfs_trans_commit(tp, 0);
return xfs_sync_sb(mp, false);
}
__uint64_t
......@@ -659,26 +640,25 @@ xfs_mountfs(
xfs_sb_mount_common(mp, sbp);
/*
* Check for a mismatched features2 values. Older kernels
* read & wrote into the wrong sb offset for sb_features2
* on some platforms due to xfs_sb_t not being 64bit size aligned
* when sb_features2 was added, which made older superblock
* reading/writing routines swap it as a 64-bit value.
* Check for a mismatched features2 values. Older kernels read & wrote
* into the wrong sb offset for sb_features2 on some platforms due to
* xfs_sb_t not being 64bit size aligned when sb_features2 was added,
* which made older superblock reading/writing routines swap it as a
* 64-bit value.
*
* For backwards compatibility, we make both slots equal.
*
* If we detect a mismatched field, we OR the set bits into the
* existing features2 field in case it has already been modified; we
* don't want to lose any features. We then update the bad location
* with the ORed value so that older kernels will see any features2
* flags, and mark the two fields as needing updates once the
* transaction subsystem is online.
* If we detect a mismatched field, we OR the set bits into the existing
* features2 field in case it has already been modified; we don't want
* to lose any features. We then update the bad location with the ORed
* value so that older kernels will see any features2 flags. The
* superblock writeback code ensures the new sb_features2 is copied to
* sb_bad_features2 before it is logged or written to disk.
*/
if (xfs_sb_has_mismatched_features2(sbp)) {
xfs_warn(mp, "correcting sb_features alignment problem");
sbp->sb_features2 |= sbp->sb_bad_features2;
sbp->sb_bad_features2 = sbp->sb_features2;
mp->m_update_flags |= XFS_SB_FEATURES2 | XFS_SB_BAD_FEATURES2;
mp->m_update_sb = true;
/*
* Re-check for ATTR2 in case it was found in bad_features2
......@@ -692,17 +672,17 @@ xfs_mountfs(
if (xfs_sb_version_hasattr2(&mp->m_sb) &&
(mp->m_flags & XFS_MOUNT_NOATTR2)) {
xfs_sb_version_removeattr2(&mp->m_sb);
mp->m_update_flags |= XFS_SB_FEATURES2;
mp->m_update_sb = true;
/* update sb_versionnum for the clearing of the morebits */
if (!sbp->sb_features2)
mp->m_update_flags |= XFS_SB_VERSIONNUM;
mp->m_update_sb = true;
}
/* always use v2 inodes by default now */
if (!(mp->m_sb.sb_versionnum & XFS_SB_VERSION_NLINKBIT)) {
mp->m_sb.sb_versionnum |= XFS_SB_VERSION_NLINKBIT;
mp->m_update_flags |= XFS_SB_VERSIONNUM;
mp->m_update_sb = true;
}
/*
......@@ -895,8 +875,8 @@ xfs_mountfs(
* the next remount into writeable mode. Otherwise we would never
* perform the update e.g. for the root filesystem.
*/
if (mp->m_update_flags && !(mp->m_flags & XFS_MOUNT_RDONLY)) {
error = xfs_mount_log_sb(mp, mp->m_update_flags);
if (mp->m_update_sb && !(mp->m_flags & XFS_MOUNT_RDONLY)) {
error = xfs_sync_sb(mp, false);
if (error) {
xfs_warn(mp, "failed to write sb changes");
goto out_rtunmount;
......@@ -1103,9 +1083,6 @@ xfs_fs_writable(
int
xfs_log_sbcount(xfs_mount_t *mp)
{
xfs_trans_t *tp;
int error;
/* allow this to proceed during the freeze sequence... */
if (!xfs_fs_writable(mp, SB_FREEZE_COMPLETE))
return 0;
......@@ -1119,17 +1096,7 @@ xfs_log_sbcount(xfs_mount_t *mp)
if (!xfs_sb_version_haslazysbcount(&mp->m_sb))
return 0;
tp = _xfs_trans_alloc(mp, XFS_TRANS_SB_COUNT, KM_SLEEP);
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_sb, 0, 0);
if (error) {
xfs_trans_cancel(tp, 0);
return error;
}
xfs_mod_sb(tp, XFS_SB_IFREE | XFS_SB_ICOUNT | XFS_SB_FDBLOCKS);
xfs_trans_set_sync(tp);
error = xfs_trans_commit(tp, 0);
return error;
return xfs_sync_sb(mp, true);
}
/*
......@@ -1422,34 +1389,6 @@ xfs_freesb(
xfs_buf_relse(bp);
}
/*
* Used to log changes to the superblock unit and width fields which could
* be altered by the mount options, as well as any potential sb_features2
* fixup. Only the first superblock is updated.
*/
int
xfs_mount_log_sb(
xfs_mount_t *mp,
__int64_t fields)
{
xfs_trans_t *tp;
int error;
ASSERT(fields & (XFS_SB_UNIT | XFS_SB_WIDTH | XFS_SB_UUID |
XFS_SB_FEATURES2 | XFS_SB_BAD_FEATURES2 |
XFS_SB_VERSIONNUM));
tp = xfs_trans_alloc(mp, XFS_TRANS_SB_UNIT);
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_sb, 0, 0);
if (error) {
xfs_trans_cancel(tp, 0);
return error;
}
xfs_mod_sb(tp, fields);
error = xfs_trans_commit(tp, 0);
return error;
}
/*
* If the underlying (data/log/rt) device is readonly, there are some
* operations that cannot proceed.
......
......@@ -162,8 +162,7 @@ typedef struct xfs_mount {
struct delayed_work m_reclaim_work; /* background inode reclaim */
struct delayed_work m_eofblocks_work; /* background eof blocks
trimming */
__int64_t m_update_flags; /* sb flags we need to update
on the next remount,rw */
bool m_update_sb; /* sb needs update in mount */
int64_t m_low_space[XFS_LOWSP_MAX];
/* low free space thresholds */
struct xfs_kobj m_kobj;
......@@ -378,7 +377,7 @@ extern void xfs_unmountfs(xfs_mount_t *);
extern int xfs_mod_incore_sb(xfs_mount_t *, xfs_sb_field_t, int64_t, int);
extern int xfs_mod_incore_sb_batch(xfs_mount_t *, xfs_mod_sb_t *,
uint, int);
extern int xfs_mount_log_sb(xfs_mount_t *, __int64_t);
extern int xfs_mount_log_sb(xfs_mount_t *);
extern struct xfs_buf *xfs_getsb(xfs_mount_t *, int);
extern int xfs_readsb(xfs_mount_t *, int);
extern void xfs_freesb(xfs_mount_t *);
......
......@@ -714,7 +714,6 @@ STATIC int
xfs_qm_qino_alloc(
xfs_mount_t *mp,
xfs_inode_t **ip,
__int64_t sbfields,
uint flags)
{
xfs_trans_t *tp;
......@@ -777,11 +776,6 @@ xfs_qm_qino_alloc(
spin_lock(&mp->m_sb_lock);
if (flags & XFS_QMOPT_SBVERSION) {
ASSERT(!xfs_sb_version_hasquota(&mp->m_sb));
ASSERT((sbfields & (XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO |
XFS_SB_GQUOTINO | XFS_SB_PQUOTINO | XFS_SB_QFLAGS)) ==
(XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO |
XFS_SB_GQUOTINO | XFS_SB_PQUOTINO |
XFS_SB_QFLAGS));
xfs_sb_version_addquota(&mp->m_sb);
mp->m_sb.sb_uquotino = NULLFSINO;
......@@ -798,7 +792,7 @@ xfs_qm_qino_alloc(
else
mp->m_sb.sb_pquotino = (*ip)->i_ino;
spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp, sbfields);
xfs_log_sb(tp);
if ((error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES))) {
xfs_alert(mp, "%s failed (error %d)!", __func__, error);
......@@ -1451,7 +1445,7 @@ xfs_qm_mount_quotas(
spin_unlock(&mp->m_sb_lock);
if (sbf != (mp->m_qflags & XFS_MOUNT_QUOTA_ALL)) {
if (xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS)) {
if (xfs_sync_sb(mp, false)) {
/*
* We could only have been turning quotas off.
* We aren't in very good shape actually because
......@@ -1482,7 +1476,6 @@ xfs_qm_init_quotainos(
struct xfs_inode *gip = NULL;
struct xfs_inode *pip = NULL;
int error;
__int64_t sbflags = 0;
uint flags = 0;
ASSERT(mp->m_quotainfo);
......@@ -1517,9 +1510,6 @@ xfs_qm_init_quotainos(
}
} else {
flags |= XFS_QMOPT_SBVERSION;
sbflags |= (XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO |
XFS_SB_GQUOTINO | XFS_SB_PQUOTINO |
XFS_SB_QFLAGS);
}
/*
......@@ -1530,7 +1520,6 @@ xfs_qm_init_quotainos(
*/
if (XFS_IS_UQUOTA_ON(mp) && uip == NULL) {
error = xfs_qm_qino_alloc(mp, &uip,
sbflags | XFS_SB_UQUOTINO,
flags | XFS_QMOPT_UQUOTA);
if (error)
goto error_rele;
......@@ -1539,7 +1528,6 @@ xfs_qm_init_quotainos(
}
if (XFS_IS_GQUOTA_ON(mp) && gip == NULL) {
error = xfs_qm_qino_alloc(mp, &gip,
sbflags | XFS_SB_GQUOTINO,
flags | XFS_QMOPT_GQUOTA);
if (error)
goto error_rele;
......@@ -1548,7 +1536,6 @@ xfs_qm_init_quotainos(
}
if (XFS_IS_PQUOTA_ON(mp) && pip == NULL) {
error = xfs_qm_qino_alloc(mp, &pip,
sbflags | XFS_SB_PQUOTINO,
flags | XFS_QMOPT_PQUOTA);
if (error)
goto error_rele;
......@@ -1587,32 +1574,6 @@ xfs_qm_dqfree_one(
xfs_qm_dqdestroy(dqp);
}
/*
* Start a transaction and write the incore superblock changes to
* disk. flags parameter indicates which fields have changed.
*/
int
xfs_qm_write_sb_changes(
xfs_mount_t *mp,
__int64_t flags)
{
xfs_trans_t *tp;
int error;
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SBCHANGE);
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_sbchange, 0, 0);
if (error) {
xfs_trans_cancel(tp, 0);
return error;
}
xfs_mod_sb(tp, flags);
error = xfs_trans_commit(tp, 0);
return error;
}
/* --------------- utility functions for vnodeops ---------------- */
......
......@@ -157,7 +157,6 @@ struct xfs_dquot_acct {
#define XFS_QM_RTBWARNLIMIT 5
extern void xfs_qm_destroy_quotainfo(struct xfs_mount *);
extern int xfs_qm_write_sb_changes(struct xfs_mount *, __int64_t);
/* dquot stuff */
extern void xfs_qm_dqpurge_all(struct xfs_mount *, uint);
......
......@@ -91,8 +91,7 @@ xfs_qm_scall_quotaoff(
mutex_unlock(&q->qi_quotaofflock);
/* XXX what to do if error ? Revert back to old vals incore ? */
error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS);
return error;
return xfs_sync_sb(mp, false);
}
dqtype = 0;
......@@ -313,7 +312,6 @@ xfs_qm_scall_quotaon(
{
int error;
uint qf;
__int64_t sbflags;
flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
/*
......@@ -321,8 +319,6 @@ xfs_qm_scall_quotaon(
*/
flags &= ~(XFS_ALL_QUOTA_ACCT);
sbflags = 0;
if (flags == 0) {
xfs_debug(mp, "%s: zero flags, m_qflags=%x",
__func__, mp->m_qflags);
......@@ -363,11 +359,11 @@ xfs_qm_scall_quotaon(
/*
* There's nothing to change if it's the same.
*/
if ((qf & flags) == flags && sbflags == 0)
if ((qf & flags) == flags)
return -EEXIST;
sbflags |= XFS_SB_QFLAGS;
if ((error = xfs_qm_write_sb_changes(mp, sbflags)))
error = xfs_sync_sb(mp, false);
if (error)
return error;
/*
* If we aren't trying to switch on quota enforcement, we are done.
......@@ -774,7 +770,7 @@ xfs_qm_log_quotaoff(
mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL;
spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp, XFS_SB_QFLAGS);
xfs_log_sb(tp);
/*
* We have to make sure that the transaction is secure on disk before we
......
......@@ -685,7 +685,7 @@ xfs_blkdev_get(
mp);
if (IS_ERR(*bdevp)) {
error = PTR_ERR(*bdevp);
xfs_warn(mp, "Invalid device [%s], error=%d\n", name, error);
xfs_warn(mp, "Invalid device [%s], error=%d", name, error);
}
return error;
......@@ -1111,6 +1111,11 @@ xfs_fs_statfs(
statp->f_files,
mp->m_maxicount);
/* If sb_icount overshot maxicount, report actual allocation */
statp->f_files = max_t(typeof(statp->f_files),
statp->f_files,
sbp->sb_icount);
/* make sure statp->f_ffree does not underflow */
ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree);
statp->f_ffree = max_t(__int64_t, ffree, 0);
......@@ -1257,13 +1262,13 @@ xfs_fs_remount(
* If this is the first remount to writeable state we
* might have some superblock changes to update.
*/
if (mp->m_update_flags) {
error = xfs_mount_log_sb(mp, mp->m_update_flags);
if (mp->m_update_sb) {
error = xfs_sync_sb(mp, false);
if (error) {
xfs_warn(mp, "failed to write sb changes");
return error;
}
mp->m_update_flags = 0;
mp->m_update_sb = false;
}
/*
......@@ -1293,8 +1298,9 @@ xfs_fs_remount(
/*
* Second stage of a freeze. The data is already frozen so we only
* need to take care of the metadata. Once that's done write a dummy
* record to dirty the log in case of a crash while frozen.
* need to take care of the metadata. Once that's done sync the superblock
* to the log to dirty it in case of a crash while frozen. This ensures that we
* will recover the unlinked inode lists on the next mount.
*/
STATIC int
xfs_fs_freeze(
......@@ -1304,7 +1310,7 @@ xfs_fs_freeze(
xfs_save_resvblks(mp);
xfs_quiesce_attr(mp);
return xfs_fs_log_dummy(mp);
return xfs_sync_sb(mp, true);
}
STATIC int
......
......@@ -148,24 +148,6 @@ static struct ctl_table xfs_table[] = {
.extra1 = &xfs_params.inherit_noatim.min,
.extra2 = &xfs_params.inherit_noatim.max
},
{
.procname = "xfsbufd_centisecs",
.data = &xfs_params.xfs_buf_timer.val,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = &xfs_params.xfs_buf_timer.min,
.extra2 = &xfs_params.xfs_buf_timer.max
},
{
.procname = "age_buffer_centisecs",
.data = &xfs_params.xfs_buf_age.val,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = &xfs_params.xfs_buf_age.min,
.extra2 = &xfs_params.xfs_buf_age.max
},
{
.procname = "inherit_nosymlinks",
.data = &xfs_params.inherit_nosym.val,
......
......@@ -472,6 +472,7 @@ xfs_trans_apply_sb_deltas(
whole = 1;
}
xfs_trans_buf_set_type(tp, bp, XFS_BLFT_SB_BUF);
if (whole)
/*
* Log the whole thing, the fields are noncontiguous.
......
......@@ -327,9 +327,10 @@ xfs_trans_read_buf_map(
return -EIO;
}
if (tp)
if (tp) {
_xfs_trans_bjoin(tp, bp, 1);
trace_xfs_trans_read_buf(bp->b_fspriv);
}
*bpp = bp;
return 0;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment