Re: [PATCH 5/6] ocfs2: Wait for page writeback to provide stable pages
From: Jan Kara <jack@suse.cz>
Date: 2013-01-15 10:15:06
Also in:
linux-fsdevel, lkml, ocfs2-devel
From: Jan Kara <jack@suse.cz>
Date: 2013-01-15 10:15:06
Also in:
linux-fsdevel, lkml, ocfs2-devel
On Mon 14-01-13 21:43:13, Darrick J. Wong wrote:
When stable pages are required, we have to wait if the page is just going to disk and we want to modify it. Add proper callback to ocfs2_grab_pages_for_write(). CC: ocfs2-devel@oss.oracle.com CC: Joel Becker <jlbec@evilplan.org> CC: Mark Fasheh <redacted> From: Jan Kara <jack@suse.cz> Signed-off-by: Jan Kara <jack@suse.cz>
Darrick, to satisfy the kernel patch submission process you should also add your Signed-off-by to the patch... Honza
--- fs/ocfs2/aops.c | 1 + 1 file changed, 1 insertion(+)diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 6577432..9796330 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c@@ -1194,6 +1194,7 @@ static int ocfs2_grab_pages_for_write(struct address_space *mapping, goto out; } } + wait_for_stable_page(wc->w_pages[i]); if (index == target_index) wc->w_target_page = wc->w_pages[i];
-- Jan Kara [off-list ref] SUSE Labs, CR