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Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs 

* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: Ensure we force all busy extents in range to disk
  xfs: Don't flush stale inodes
  xfs: fix timestamp handling in xfs_setattr
  xfs: use DECLARE_EVENT_CLASS
This commit is contained in:
Linus Torvalds 2010-01-11 09:48:48 -08:00
parent 79ecb043ea fd45e47841
commit 1b4d40a517
5 changed files with 674 additions and 633 deletions
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3
fs/xfs/linux-2.6/xfs_acl.c
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@ -251,8 +251,9 @@ xfs_set_mode(struct inode *inode, mode_t mode)
if (mode != inode->i_mode) {
struct iattr iattr;
iattr.ia_valid = ATTR_MODE;
iattr.ia_valid = ATTR_MODE | ATTR_CTIME;
iattr.ia_mode = mode;
iattr.ia_ctime = current_fs_time(inode->i_sb);
error = -xfs_setattr(XFS_I(inode), &iattr, XFS_ATTR_NOACL);
}

1157
fs/xfs/linux-2.6/xfs_trace.h
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File diff suppressed because it is too large Load Diff

44
fs/xfs/xfs_alloc.c
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@ -2563,43 +2563,41 @@ xfs_alloc_search_busy(xfs_trans_t *tp,
xfs_mount_t *mp;
xfs_perag_busy_t *bsy;
xfs_agblock_t uend, bend;
xfs_lsn_t lsn;
xfs_lsn_t lsn = 0;
int cnt;
mp = tp->t_mountp;
spin_lock(&mp->m_perag[agno].pagb_lock);
cnt = mp->m_perag[agno].pagb_count;
uend = bno + len - 1;
/* search pagb_list for this slot, skipping open slots */
for (bsy = mp->m_perag[agno].pagb_list; cnt; bsy++) {
/*
* search pagb_list for this slot, skipping open slots. We have to
* search the entire array as there may be multiple overlaps and
* we have to get the most recent LSN for the log force to push out
* all the transactions that span the range.
*/
for (cnt = 0; cnt < mp->m_perag[agno].pagb_count; cnt++) {
bsy = &mp->m_perag[agno].pagb_list[cnt];
if (!bsy->busy_tp)
continue;
/*
* (start1,length1) within (start2, length2)
*/
if (bsy->busy_tp != NULL) {
bend = bsy->busy_start + bsy->busy_length - 1;
if ((bno > bend) || (uend < bsy->busy_start)) {
cnt--;
} else {
break;
}
}
bend = bsy->busy_start + bsy->busy_length - 1;
if (bno > bend || uend < bsy->busy_start)
continue;
/* (start1,length1) within (start2, length2) */
if (XFS_LSN_CMP(bsy->busy_tp->t_commit_lsn, lsn) > 0)
lsn = bsy->busy_tp->t_commit_lsn;
}
trace_xfs_alloc_busysearch(mp, agno, bno, len, !!cnt);
spin_unlock(&mp->m_perag[agno].pagb_lock);
trace_xfs_alloc_busysearch(tp->t_mountp, agno, bno, len, lsn);
/*
* If a block was found, force the log through the LSN of the
* transaction that freed the block
*/
if (cnt) {
lsn = bsy->busy_tp->t_commit_lsn;
spin_unlock(&mp->m_perag[agno].pagb_lock);
if (lsn)
xfs_log_force(mp, lsn, XFS_LOG_FORCE|XFS_LOG_SYNC);
} else {
spin_unlock(&mp->m_perag[agno].pagb_lock);
}
}

10
fs/xfs/xfs_inode.c
View File

@ -2841,10 +2841,14 @@ xfs_iflush(
mp = ip->i_mount;
/*
* If the inode isn't dirty, then just release the inode
* flush lock and do nothing.
* If the inode isn't dirty, then just release the inode flush lock and
* do nothing. Treat stale inodes the same; we cannot rely on the
* backing buffer remaining stale in cache for the remaining life of
* the stale inode and so xfs_itobp() below may give us a buffer that
* no longer contains inodes below. Doing this stale check here also
* avoids forcing the log on pinned, stale inodes.
*/
if (xfs_inode_clean(ip)) {
if (xfs_inode_clean(ip) || xfs_iflags_test(ip, XFS_ISTALE)) {
xfs_ifunlock(ip);
return 0;
}

93
fs/xfs/xfs_vnodeops.c
View File

@ -70,7 +70,6 @@ xfs_setattr(
uint commit_flags=0;
uid_t uid=0, iuid=0;
gid_t gid=0, igid=0;
int timeflags = 0;
struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2;
int need_iolock = 1;
@ -135,16 +134,13 @@ xfs_setattr(
if (flags & XFS_ATTR_NOLOCK)
need_iolock = 0;
if (!(mask & ATTR_SIZE)) {
if ((mask != (ATTR_CTIME|ATTR_ATIME|ATTR_MTIME)) ||
(mp->m_flags & XFS_MOUNT_WSYNC)) {
tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
commit_flags = 0;
if ((code = xfs_trans_reserve(tp, 0,
XFS_ICHANGE_LOG_RES(mp), 0,
0, 0))) {
lock_flags = 0;
goto error_return;
}
tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
commit_flags = 0;
code = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp),
0, 0, 0);
if (code) {
lock_flags = 0;
goto error_return;
}
} else {
if (DM_EVENT_ENABLED(ip, DM_EVENT_TRUNCATE) &&
@ -295,15 +291,23 @@ xfs_setattr(
* or we are explicitly asked to change it. This handles
* the semantic difference between truncate() and ftruncate()
* as implemented in the VFS.
*
* The regular truncate() case without ATTR_CTIME and ATTR_MTIME
* is a special case where we need to update the times despite
* not having these flags set. For all other operations the
* VFS set these flags explicitly if it wants a timestamp
* update.
*/
if (iattr->ia_size != ip->i_size || (mask & ATTR_CTIME))
timeflags |= XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG;
if (iattr->ia_size != ip->i_size &&
(!(mask & (ATTR_CTIME | ATTR_MTIME)))) {
iattr->ia_ctime = iattr->ia_mtime =
current_fs_time(inode->i_sb);
mask |= ATTR_CTIME | ATTR_MTIME;
}
if (iattr->ia_size > ip->i_size) {
ip->i_d.di_size = iattr->ia_size;
ip->i_size = iattr->ia_size;
if (!(flags & XFS_ATTR_DMI))
xfs_ichgtime(ip, XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
} else if (iattr->ia_size <= ip->i_size ||
(iattr->ia_size == 0 && ip->i_d.di_nextents)) {
@ -374,9 +378,6 @@ xfs_setattr(
ip->i_d.di_gid = gid;
inode->i_gid = gid;
}
xfs_trans_log_inode (tp, ip, XFS_ILOG_CORE);
timeflags |= XFS_ICHGTIME_CHG;
}
/*
@ -393,51 +394,37 @@ xfs_setattr(
inode->i_mode &= S_IFMT;
inode->i_mode |= mode & ~S_IFMT;
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
timeflags |= XFS_ICHGTIME_CHG;
}
/*
* Change file access or modified times.
*/
if (mask & (ATTR_ATIME|ATTR_MTIME)) {
if (mask & ATTR_ATIME) {
inode->i_atime = iattr->ia_atime;
ip->i_d.di_atime.t_sec = iattr->ia_atime.tv_sec;
ip->i_d.di_atime.t_nsec = iattr->ia_atime.tv_nsec;
ip->i_update_core = 1;
}
if (mask & ATTR_MTIME) {
inode->i_mtime = iattr->ia_mtime;
ip->i_d.di_mtime.t_sec = iattr->ia_mtime.tv_sec;
ip->i_d.di_mtime.t_nsec = iattr->ia_mtime.tv_nsec;
timeflags &= ~XFS_ICHGTIME_MOD;
timeflags |= XFS_ICHGTIME_CHG;
}
if (tp && (mask & (ATTR_MTIME_SET|ATTR_ATIME_SET)))
xfs_trans_log_inode (tp, ip, XFS_ILOG_CORE);
if (mask & ATTR_ATIME) {
inode->i_atime = iattr->ia_atime;
ip->i_d.di_atime.t_sec = iattr->ia_atime.tv_sec;
ip->i_d.di_atime.t_nsec = iattr->ia_atime.tv_nsec;
ip->i_update_core = 1;
}
/*
* Change file inode change time only if ATTR_CTIME set
* AND we have been called by a DMI function.
*/
if ((flags & XFS_ATTR_DMI) && (mask & ATTR_CTIME)) {
if (mask & ATTR_CTIME) {
inode->i_ctime = iattr->ia_ctime;
ip->i_d.di_ctime.t_sec = iattr->ia_ctime.tv_sec;
ip->i_d.di_ctime.t_nsec = iattr->ia_ctime.tv_nsec;
ip->i_update_core = 1;
timeflags &= ~XFS_ICHGTIME_CHG;
}
if (mask & ATTR_MTIME) {
inode->i_mtime = iattr->ia_mtime;
ip->i_d.di_mtime.t_sec = iattr->ia_mtime.tv_sec;
ip->i_d.di_mtime.t_nsec = iattr->ia_mtime.tv_nsec;
ip->i_update_core = 1;
}
/*
* Send out timestamp changes that need to be set to the
* current time. Not done when called by a DMI function.
* And finally, log the inode core if any attribute in it
* has been changed.
*/
if (timeflags && !(flags & XFS_ATTR_DMI))
xfs_ichgtime(ip, timeflags);
if (mask & (ATTR_UID|ATTR_GID|ATTR_MODE|
ATTR_ATIME|ATTR_CTIME|ATTR_MTIME))
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
XFS_STATS_INC(xs_ig_attrchg);
@ -452,12 +439,10 @@ xfs_setattr(
* mix so this probably isn't worth the trouble to optimize.
*/
code = 0;
if (tp) {
if (mp->m_flags & XFS_MOUNT_WSYNC)
xfs_trans_set_sync(tp);
if (mp->m_flags & XFS_MOUNT_WSYNC)
xfs_trans_set_sync(tp);
code = xfs_trans_commit(tp, commit_flags);
}
code = xfs_trans_commit(tp, commit_flags);
xfs_iunlock(ip, lock_flags);