commit 80072cceec9aea11b0b356a0834c64a51f7dea34
Author: Erez Zadok <[EMAIL PROTECTED]>
Date: Wed Nov 28 19:00:51 2007 -0500
Unionfs: call wait_on_page_writeback before clear_page_dirty_for_io
CC: Hugh Dickins <[EMAIL PROTECTED]>
Signed-off-by: Erez Zadok <[EMAIL PROTECTED]>
diff --git a/fs/unionfs/mmap.c b/fs/unionfs/mmap.c
index 8c07eed..4d05352 100644
--- a/fs/unionfs/mmap.c
+++ b/fs/unionfs/mmap.c
@@ -72,8 +72,8 @@ static int unionfs_writepage(struct page *page, struct
writeback_control *wbc)
}
BUG_ON(!lower_mapping->a_ops->writepage);
- clear_page_dirty_for_io(lower_page); /* emulate VFS behavior */
wait_on_page_writeback(lower_page); /* prevent multiple writers */
+ clear_page_dirty_for_io(lower_page); /* emulate VFS behavior */
err = lower_mapping->a_ops->writepage(lower_page, wbc);
if (err < 0)
goto out_release;
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