linux-kernel - [PATCH 2/2] block: fixup for generic bio chaining

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Date:	Tue,  3 Dec 2013 13:24:08 -0800
From:	Kent Overstreet <kmo@...erainc.com>
To:	axboe@...nel.dk
Cc:	linux-kernel@...r.kernel.org, Kent Overstreet <kmo@...erainc.com>,
	Chris Mason <clm@...com>
Subject: [PATCH 2/2] block: fixup for generic bio chaining

btrfs bits got lost in the rebase

Signed-off-by: Kent Overstreet <kmo@...erainc.com>
Cc: Chris Mason <clm@...com>
---
 fs/btrfs/disk-io.c | 2 +-
 fs/btrfs/volumes.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 5a10c61..e71039e 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1692,7 +1692,7 @@ static void end_workqueue_fn(struct btrfs_work *work)
 	bio->bi_private = end_io_wq->private;
 	bio->bi_end_io = end_io_wq->end_io;
 	kfree(end_io_wq);
-	bio_endio(bio, error);
+	bio_endio_nodec(bio, error);
 }
 
 static int cleaner_kthread(void *arg)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index f2130de..37972d5 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -5297,6 +5297,8 @@ static void btrfs_end_bio(struct bio *bio, int err)
 		if (!is_orig_bio) {
 			bio_put(bio);
 			bio = bbio->orig_bio;
+		} else {
+			atomic_inc(&bio->bi_remaining);
 		}
 		bio->bi_private = bbio->private;
 		bio->bi_end_io = bbio->end_io;
-- 
1.8.4.4

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