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path: root/fs/xfs/xfs_vnodeops.c
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Diffstat (limited to 'fs/xfs/xfs_vnodeops.c')
-rw-r--r--fs/xfs/xfs_vnodeops.c125
1 files changed, 72 insertions, 53 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 52c41714ec54..de17aed578f0 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -133,7 +133,7 @@ xfs_getattr(
if (!(flags & ATTR_LAZY))
xfs_ilock(ip, XFS_ILOCK_SHARED);
- vap->va_size = ip->i_d.di_size;
+ vap->va_size = XFS_ISIZE(ip);
if (vap->va_mask == XFS_AT_SIZE)
goto all_done;
@@ -496,7 +496,7 @@ xfs_setattr(
if (mask & XFS_AT_SIZE) {
/* Short circuit the truncate case for zero length files */
if ((vap->va_size == 0) &&
- (ip->i_d.di_size == 0) && (ip->i_d.di_nextents == 0)) {
+ (ip->i_size == 0) && (ip->i_d.di_nextents == 0)) {
xfs_iunlock(ip, XFS_ILOCK_EXCL);
lock_flags &= ~XFS_ILOCK_EXCL;
if (mask & XFS_AT_CTIME)
@@ -614,7 +614,7 @@ xfs_setattr(
*/
if (mask & XFS_AT_SIZE) {
code = 0;
- if ((vap->va_size > ip->i_d.di_size) &&
+ if ((vap->va_size > ip->i_size) &&
(flags & ATTR_NOSIZETOK) == 0) {
code = xfs_igrow_start(ip, vap->va_size, credp);
}
@@ -654,10 +654,10 @@ xfs_setattr(
* Truncate file. Must have write permission and not be a directory.
*/
if (mask & XFS_AT_SIZE) {
- if (vap->va_size > ip->i_d.di_size) {
+ if (vap->va_size > ip->i_size) {
xfs_igrow_finish(tp, ip, vap->va_size,
!(flags & ATTR_DMI));
- } else if ((vap->va_size <= ip->i_d.di_size) ||
+ } else if ((vap->va_size <= ip->i_size) ||
((vap->va_size == 0) && ip->i_d.di_nextents)) {
/*
* signal a sync transaction unless
@@ -873,7 +873,7 @@ xfs_setattr(
if (mp->m_flags & XFS_MOUNT_WSYNC)
xfs_trans_set_sync(tp);
- code = xfs_trans_commit(tp, commit_flags, NULL);
+ code = xfs_trans_commit(tp, commit_flags);
}
/*
@@ -1176,7 +1176,7 @@ xfs_fsync(
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
if (flag & FSYNC_WAIT)
xfs_trans_set_sync(tp);
- error = _xfs_trans_commit(tp, 0, NULL, &log_flushed);
+ error = _xfs_trans_commit(tp, 0, &log_flushed);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
}
@@ -1221,7 +1221,7 @@ xfs_inactive_free_eofblocks(
* Figure out if there are any blocks beyond the end
* of the file. If not, then there is nothing to do.
*/
- end_fsb = XFS_B_TO_FSB(mp, ((xfs_ufsize_t)ip->i_d.di_size));
+ end_fsb = XFS_B_TO_FSB(mp, ((xfs_ufsize_t)ip->i_size));
last_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_MAXIOFFSET(mp));
map_len = last_fsb - end_fsb;
if (map_len <= 0)
@@ -1257,8 +1257,12 @@ xfs_inactive_free_eofblocks(
* do that within a transaction.
*/
xfs_ilock(ip, XFS_IOLOCK_EXCL);
- xfs_itruncate_start(ip, XFS_ITRUNC_DEFINITE,
- ip->i_d.di_size);
+ error = xfs_itruncate_start(ip, XFS_ITRUNC_DEFINITE,
+ ip->i_size);
+ if (error) {
+ xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+ return error;
+ }
error = xfs_trans_reserve(tp, 0,
XFS_ITRUNCATE_LOG_RES(mp),
@@ -1278,7 +1282,7 @@ xfs_inactive_free_eofblocks(
xfs_trans_ihold(tp, ip);
error = xfs_itruncate_finish(&tp, ip,
- ip->i_d.di_size,
+ ip->i_size,
XFS_DATA_FORK,
0);
/*
@@ -1291,8 +1295,7 @@ xfs_inactive_free_eofblocks(
XFS_TRANS_ABORT));
} else {
error = xfs_trans_commit(tp,
- XFS_TRANS_RELEASE_LOG_RES,
- NULL);
+ XFS_TRANS_RELEASE_LOG_RES);
}
xfs_iunlock(ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL);
}
@@ -1406,7 +1409,7 @@ xfs_inactive_symlink_rmt(
* we need to unlock the inode since the new transaction doesn't
* have the inode attached.
*/
- error = xfs_trans_commit(tp, 0, NULL);
+ error = xfs_trans_commit(tp, 0);
tp = ntp;
if (error) {
ASSERT(XFS_FORCED_SHUTDOWN(mp));
@@ -1503,7 +1506,7 @@ xfs_inactive_attrs(
tp = *tpp;
mp = ip->i_mount;
ASSERT(ip->i_d.di_forkoff != 0);
- xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+ xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
error = xfs_attr_inactive(ip);
@@ -1565,7 +1568,7 @@ xfs_release(
if (ip->i_d.di_nlink != 0) {
if ((((ip->i_d.di_mode & S_IFMT) == S_IFREG) &&
- ((ip->i_d.di_size > 0) || (VN_CACHED(vp) > 0 ||
+ ((ip->i_size > 0) || (VN_CACHED(vp) > 0 ||
ip->i_delayed_blks > 0)) &&
(ip->i_df.if_flags & XFS_IFEXTENTS)) &&
(!(ip->i_d.di_flags &
@@ -1626,8 +1629,8 @@ xfs_inactive(
* only one with a reference to the inode.
*/
truncate = ((ip->i_d.di_nlink == 0) &&
- ((ip->i_d.di_size != 0) || (ip->i_d.di_nextents > 0) ||
- (ip->i_delayed_blks > 0)) &&
+ ((ip->i_d.di_size != 0) || (ip->i_size != 0) ||
+ (ip->i_d.di_nextents > 0) || (ip->i_delayed_blks > 0)) &&
((ip->i_d.di_mode & S_IFMT) == S_IFREG));
mp = ip->i_mount;
@@ -1645,7 +1648,7 @@ xfs_inactive(
if (ip->i_d.di_nlink != 0) {
if ((((ip->i_d.di_mode & S_IFMT) == S_IFREG) &&
- ((ip->i_d.di_size > 0) || (VN_CACHED(vp) > 0 ||
+ ((ip->i_size > 0) || (VN_CACHED(vp) > 0 ||
ip->i_delayed_blks > 0)) &&
(ip->i_df.if_flags & XFS_IFEXTENTS) &&
(!(ip->i_d.di_flags &
@@ -1675,7 +1678,11 @@ xfs_inactive(
*/
xfs_ilock(ip, XFS_IOLOCK_EXCL);
- xfs_itruncate_start(ip, XFS_ITRUNC_DEFINITE, 0);
+ error = xfs_itruncate_start(ip, XFS_ITRUNC_DEFINITE, 0);
+ if (error) {
+ xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+ return VN_INACTIVE_CACHE;
+ }
error = xfs_trans_reserve(tp, 0,
XFS_ITRUNCATE_LOG_RES(mp),
@@ -1790,7 +1797,7 @@ xfs_inactive(
* nothing we can do except to try to keep going.
*/
(void) xfs_bmap_finish(&tp, &free_list, &committed);
- (void) xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+ (void) xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
}
/*
* Release the dquots held by inode, if any.
@@ -1940,7 +1947,7 @@ xfs_create(
goto error_return;
}
- xfs_ilock(dp, XFS_ILOCK_EXCL);
+ xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
XFS_BMAP_INIT(&free_list, &first_block);
@@ -2026,7 +2033,7 @@ xfs_create(
goto abort_rele;
}
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+ error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
if (error) {
IRELE(ip);
tp = NULL;
@@ -2121,7 +2128,6 @@ int xfs_rm_attempts;
STATIC int
xfs_lock_dir_and_entry(
xfs_inode_t *dp,
- bhv_vname_t *dentry,
xfs_inode_t *ip) /* inode of entry 'name' */
{
int attempts;
@@ -2135,7 +2141,7 @@ xfs_lock_dir_and_entry(
attempts = 0;
again:
- xfs_ilock(dp, XFS_ILOCK_EXCL);
+ xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
e_inum = ip->i_ino;
@@ -2204,6 +2210,21 @@ int xfs_lock_delays;
#endif
/*
+ * Bump the subclass so xfs_lock_inodes() acquires each lock with
+ * a different value
+ */
+static inline int
+xfs_lock_inumorder(int lock_mode, int subclass)
+{
+ if (lock_mode & (XFS_IOLOCK_SHARED|XFS_IOLOCK_EXCL))
+ lock_mode |= (subclass + XFS_IOLOCK_INUMORDER) << XFS_IOLOCK_SHIFT;
+ if (lock_mode & (XFS_ILOCK_SHARED|XFS_ILOCK_EXCL))
+ lock_mode |= (subclass + XFS_ILOCK_INUMORDER) << XFS_ILOCK_SHIFT;
+
+ return lock_mode;
+}
+
+/*
* The following routine will lock n inodes in exclusive mode.
* We assume the caller calls us with the inodes in i_ino order.
*
@@ -2270,7 +2291,7 @@ again:
* that is in the AIL.
*/
ASSERT(i != 0);
- if (!xfs_ilock_nowait(ips[i], lock_mode)) {
+ if (!xfs_ilock_nowait(ips[i], xfs_lock_inumorder(lock_mode, i))) {
attempts++;
/*
@@ -2305,7 +2326,7 @@ again:
goto again;
}
} else {
- xfs_ilock(ips[i], lock_mode);
+ xfs_ilock(ips[i], xfs_lock_inumorder(lock_mode, i));
}
}
@@ -2440,7 +2461,7 @@ xfs_remove(
return error;
}
- error = xfs_lock_dir_and_entry(dp, dentry, ip);
+ error = xfs_lock_dir_and_entry(dp, ip);
if (error) {
REMOVE_DEBUG_TRACE(__LINE__);
xfs_trans_cancel(tp, cancel_flags);
@@ -2511,7 +2532,7 @@ xfs_remove(
goto error_rele;
}
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+ error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
if (error) {
IRELE(ip);
goto std_return;
@@ -2719,7 +2740,7 @@ xfs_link(
goto abort_return;
}
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+ error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
if (error)
goto std_return;
@@ -2839,7 +2860,7 @@ xfs_mkdir(
goto error_return;
}
- xfs_ilock(dp, XFS_ILOCK_EXCL);
+ xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
/*
* Check for directory link count overflow.
@@ -2936,7 +2957,7 @@ xfs_mkdir(
goto error2;
}
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+ error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
XFS_QM_DQRELE(mp, udqp);
XFS_QM_DQRELE(mp, gdqp);
if (error) {
@@ -3096,7 +3117,7 @@ xfs_rmdir(
* that the directory entry for the child directory inode has
* not changed while we were obtaining a log reservation.
*/
- error = xfs_lock_dir_and_entry(dp, dentry, cdp);
+ error = xfs_lock_dir_and_entry(dp, cdp);
if (error) {
xfs_trans_cancel(tp, cancel_flags);
IRELE(cdp);
@@ -3190,7 +3211,7 @@ xfs_rmdir(
goto std_return;
}
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+ error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
if (error) {
IRELE(cdp);
goto std_return;
@@ -3393,7 +3414,7 @@ xfs_symlink(
goto error_return;
}
- xfs_ilock(dp, XFS_ILOCK_EXCL);
+ xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
/*
* Check whether the directory allows new symlinks or not.
@@ -3535,7 +3556,7 @@ xfs_symlink(
if (error) {
goto error2;
}
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+ error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
XFS_QM_DQRELE(mp, udqp);
XFS_QM_DQRELE(mp, gdqp);
@@ -3790,7 +3811,7 @@ xfs_set_dmattrs (
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
IHOLD(ip);
- error = xfs_trans_commit(tp, 0, NULL);
+ error = xfs_trans_commit(tp, 0);
return error;
}
@@ -4049,14 +4070,14 @@ xfs_alloc_file_space(
allocatesize_fsb = XFS_B_TO_FSB(mp, count);
/* Generate a DMAPI event if needed. */
- if (alloc_type != 0 && offset < ip->i_d.di_size &&
+ if (alloc_type != 0 && offset < ip->i_size &&
(attr_flags&ATTR_DMI) == 0 &&
DM_EVENT_ENABLED(XFS_MTOVFS(mp), ip, DM_EVENT_WRITE)) {
xfs_off_t end_dmi_offset;
end_dmi_offset = offset+len;
- if (end_dmi_offset > ip->i_d.di_size)
- end_dmi_offset = ip->i_d.di_size;
+ if (end_dmi_offset > ip->i_size)
+ end_dmi_offset = ip->i_size;
error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, XFS_ITOV(ip),
offset, end_dmi_offset - offset,
0, NULL);
@@ -4148,7 +4169,7 @@ retry:
goto error0;
}
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+ error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
if (error) {
break;
@@ -4283,7 +4304,6 @@ xfs_free_file_space(
int error;
xfs_fsblock_t firstfsb;
xfs_bmap_free_t free_list;
- xfs_off_t ilen;
xfs_bmbt_irec_t imap;
xfs_off_t ioffset;
xfs_extlen_t mod=0;
@@ -4312,11 +4332,11 @@ xfs_free_file_space(
end_dmi_offset = offset + len;
endoffset_fsb = XFS_B_TO_FSBT(mp, end_dmi_offset);
- if (offset < ip->i_d.di_size &&
+ if (offset < ip->i_size &&
(attr_flags & ATTR_DMI) == 0 &&
DM_EVENT_ENABLED(XFS_MTOVFS(mp), ip, DM_EVENT_WRITE)) {
- if (end_dmi_offset > ip->i_d.di_size)
- end_dmi_offset = ip->i_d.di_size;
+ if (end_dmi_offset > ip->i_size)
+ end_dmi_offset = ip->i_size;
error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, vp,
offset, end_dmi_offset - offset,
AT_DELAY_FLAG(attr_flags), NULL);
@@ -4332,16 +4352,15 @@ xfs_free_file_space(
}
rounding = max_t(uint, 1 << mp->m_sb.sb_blocklog, NBPP);
- ilen = len + (offset & (rounding - 1));
ioffset = offset & ~(rounding - 1);
- if (ilen & (rounding - 1))
- ilen = (ilen + rounding) & ~(rounding - 1);
if (VN_CACHED(vp) != 0) {
xfs_inval_cached_trace(&ip->i_iocore, ioffset, -1,
ctooff(offtoct(ioffset)), -1);
- bhv_vop_flushinval_pages(vp, ctooff(offtoct(ioffset)),
+ error = bhv_vop_flushinval_pages(vp, ctooff(offtoct(ioffset)),
-1, FI_REMAPF_LOCKED);
+ if (error)
+ goto out_unlock_iolock;
}
/*
@@ -4455,7 +4474,7 @@ xfs_free_file_space(
goto error0;
}
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+ error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
}
@@ -4533,7 +4552,7 @@ xfs_change_file_space(
bf->l_start += offset;
break;
case 2: /*SEEK_END*/
- bf->l_start += ip->i_d.di_size;
+ bf->l_start += ip->i_size;
break;
default:
return XFS_ERROR(EINVAL);
@@ -4550,7 +4569,7 @@ xfs_change_file_space(
bf->l_whence = 0;
startoffset = bf->l_start;
- fsize = ip->i_d.di_size;
+ fsize = ip->i_size;
/*
* XFS_IOC_RESVSP and XFS_IOC_UNRESVSP will reserve or unreserve
@@ -4649,7 +4668,7 @@ xfs_change_file_space(
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
xfs_trans_set_sync(tp);
- error = xfs_trans_commit(tp, 0, NULL);
+ error = xfs_trans_commit(tp, 0);
xfs_iunlock(ip, XFS_ILOCK_EXCL);