diff options
| author | Nathan Scott <nathans@sgi.com> | 2006-06-09 15:27:16 +1000 |
|---|---|---|
| committer | Nathan Scott <nathans@sgi.com> | 2006-06-09 15:27:16 +1000 |
| commit | 7d4fb40ad7efe4586d1341d4731377fb4530836f (patch) | |
| tree | bf802cce6bc60627186b02b71014a683f6cb4a05 /fs/xfs/linux-2.6/xfs_aops.c | |
| parent | 59c1b082f5fff8269565039600a2ef18d48649b5 (diff) | |
| download | linux-7d4fb40ad7efe4586d1341d4731377fb4530836f.tar.gz | |
[XFS] Start writeout earlier (on last close) in the case where we have a
truncate down followed by delayed allocation (buffered writes) - worst
case scenario for the notorious NULL files problem. This reduces the
window where we are exposed to that problem significantly.
SGI-PV: 917976
SGI-Modid: xfs-linux-melb:xfs-kern:26100a
Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_aops.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_aops.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 5835e699a7fc29..c0a90431685494 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -1157,6 +1157,18 @@ out_unlock: return error; } +STATIC int +xfs_vm_writepages( + struct address_space *mapping, + struct writeback_control *wbc) +{ + struct vnode *vp = vn_from_inode(mapping->host); + + if (VN_TRUNC(vp)) + VUNTRUNCATE(vp); + return generic_writepages(mapping, wbc); +} + /* * Called to move a page into cleanable state - and from there * to be released. Possibly the page is already clean. We always @@ -1451,6 +1463,7 @@ struct address_space_operations xfs_address_space_operations = { .readpage = xfs_vm_readpage, .readpages = xfs_vm_readpages, .writepage = xfs_vm_writepage, + .writepages = xfs_vm_writepages, .sync_page = block_sync_page, .releasepage = xfs_vm_releasepage, .invalidatepage = xfs_vm_invalidatepage, |