ocfs2: wait for page writeback to provide stable pages
authorJan Kara <jack@suse.cz>
Fri, 22 Feb 2013 00:42:57 +0000 (16:42 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 22 Feb 2013 01:22:20 +0000 (17:22 -0800)
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

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Acked-by: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

index 657743254eb90079666eaab73723de0a1bc4ed51..9796330d8f04b3c46eb0e0c3150a3f9286415d37 100644 (file)
@@ -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];