[XFS] Fixed delayed_blks assert failure during umount. The delayed_blks

was caused by ENOSPC but not Rreclaimed by xfs_release or xfs_inactive.
The fix changed the condition in xfs_release and xfs_inactive to invoke
xfs_inactive_free_eofblocks for this special case, changed
xfs_inactive_free_eofblocks to clean the delayed blks after eof. It also
changed xfs_write to set correct eof when ENOSPC occurs.

SGI-PV: 946267
SGI-Modid: xfs-linux-melb:xfs-kern:203788a

Signed-off-by: Yingping Lu <yingping@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 563cb9e975d2..147a28861f6b 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -809,6 +809,10 @@ retry:
                 goto retry;
         }
 
+        isize = i_size_read(inode);
+        if (unlikely(ret < 0 && ret != -EFAULT && *offset > isize))
+                *offset = isize;
+
         if (*offset > xip->i_d.di_size) {
                 xfs_ilock(xip, XFS_ILOCK_EXCL);
                 if (*offset > xip->i_d.di_size) {