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[XFS] Ensure file size updates have been completed before writing inode to disk.

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SGI-PV: 968767
SGI-Modid: xfs-linux-melb:xfs-kern:29675a

Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Lachlan McIlroy 2007-09-14 15:22:50 +10:00 committed by Tim Shimmin
parent 65de556756
commit 776a75fa5c
3 changed files with 16 additions and 9 deletions
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1
fs/xfs/linux-2.6/xfs_aops.c
View File

@ -181,6 +181,7 @@ xfs_setfilesize(
ip->i_d.di_size = isize;
ip->i_update_core = 1;
ip->i_update_size = 1;
mark_inode_dirty_sync(vn_to_inode(ioend->io_vnode));
}
xfs_iunlock(ip, XFS_ILOCK_EXCL);

4
fs/xfs/linux-2.6/xfs_super.c
View File

@ -415,8 +415,10 @@ xfs_fs_write_inode(
if (vp) {
vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
if (sync)
if (sync) {
filemap_fdatawait(inode->i_mapping);
flags |= FLUSH_SYNC;
}
error = bhv_vop_iflush(vp, flags);
if (error == EAGAIN)
error = sync? bhv_vop_iflush(vp, flags | FLUSH_LOG) : 0;

20
fs/xfs/xfs_vnodeops.c
View File

@ -1082,6 +1082,9 @@ xfs_fsync(
if (XFS_FORCED_SHUTDOWN(ip->i_mount))
return XFS_ERROR(EIO);
if (flag & FSYNC_DATA)
filemap_fdatawait(vn_to_inode(XFS_ITOV(ip))->i_mapping);
/*
* We always need to make sure that the required inode state
* is safe on disk. The vnode might be clean but because
@ -3769,12 +3772,16 @@ xfs_inode_flush(
sync_lsn = log->l_last_sync_lsn;
GRANT_UNLOCK(log, s);
if ((XFS_LSN_CMP(iip->ili_last_lsn, sync_lsn) <= 0))
return 0;
if ((XFS_LSN_CMP(iip->ili_last_lsn, sync_lsn) > 0)) {
if (flags & FLUSH_SYNC)
log_flags |= XFS_LOG_SYNC;
error = xfs_log_force(mp, iip->ili_last_lsn, log_flags);
if (error)
return error;
}
if (flags & FLUSH_SYNC)
log_flags |= XFS_LOG_SYNC;
return xfs_log_force(mp, iip->ili_last_lsn, log_flags);
if (ip->i_update_core == 0)
return 0;
}
}
@ -3788,9 +3795,6 @@ xfs_inode_flush(
if (flags & FLUSH_INODE) {
int flush_flags;
if (xfs_ipincount(ip))
return EAGAIN;
if (flags & FLUSH_SYNC) {
xfs_ilock(ip, XFS_ILOCK_SHARED);
xfs_iflock(ip);