[XFS] Ensure file size updates have been completed before writing inode to disk.
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>
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 1a5ad8c..6034592 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -1082,6 +1082,9 @@
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 @@
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 @@
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);