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authorDavid Chinner <dgc@sgi.com>2006-12-21 10:24:01 +1100
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-21 10:01:08 -0800
commit921320210bd2ec4f17053d283355b73048ac0e56 (patch)
treed2a0b5d60d2f3518e717038dd1eec5eaf4fab13b /fs/xfs
parent9280f6822c2d7112b47107251fce307aefb31f35 (diff)
[PATCH] Fix XFS after clear_page_dirty() removal
XFS appears to call clear_page_dirty to get the mapping tree dirty tag set correctly at the same time the page dirty flag is cleared. I note that this can be done by set_page_writeback() if we clear the dirty flag on the page first when we are writing back the entire page. Hence it seems to me that the XFS call to clear_page_dirty() could easily be substituted by clear_page_dirty_for_io() followed by a call to set_page_writeback() to get the mapping tree tags set correctly after the page has been marked clean. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index b56eb754e2d..7b54461695e 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -341,9 +341,9 @@ xfs_start_page_writeback(
{
ASSERT(PageLocked(page));
ASSERT(!PageWriteback(page));
- set_page_writeback(page);
if (clear_dirty)
- clear_page_dirty(page);
+ clear_page_dirty_for_io(page);
+ set_page_writeback(page);
unlock_page(page);
if (!buffers) {
end_page_writeback(page);