[PATCH 1/4] gfs2: stop using generic_writepages in gfs2_ail1_start_one

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Use filemap_fdatawrite_wbc instead of generic_writepages in
gfs2_ail1_start_one so that the functin can also cope with address_space
operations that only implement ->writepages and to properly account
for cgroup writeback.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
---
 fs/gfs2/log.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index f0ee3ff6f9a87..a66e3b1f6d178 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -131,7 +131,7 @@ __acquires(&sdp->sd_ail_lock)
 		if (!mapping)
 			continue;
 		spin_unlock(&sdp->sd_ail_lock);
-		ret = generic_writepages(mapping, wbc);
+		ret = filemap_fdatawrite_wbc(mapping, wbc);
 		if (need_resched()) {
 			blk_finish_plug(plug);
 			cond_resched();
@@ -222,8 +222,7 @@ void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc)
 	spin_unlock(&sdp->sd_ail_lock);
 	blk_finish_plug(&plug);
 	if (ret) {
-		gfs2_lm(sdp, "gfs2_ail1_start_one (generic_writepages) "
-			"returned: %d\n", ret);
+		gfs2_lm(sdp, "gfs2_ail1_start_one returned: %d\n", ret);
 		gfs2_withdraw(sdp);
 	}
 	trace_gfs2_ail_flush(sdp, wbc, 0);
-- 
2.30.2




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