From: Tomasz Majchrzak <tomasz.majchrzak@xxxxxxxxx>
This patch has been added to the stable tree. If you have any
objections, please let us know.
===============
[ Upstream commit 9b622e2bbcf049c82e2550d35fb54ac205965f50 ]
md pending write counter must be incremented after bio is split,
otherwise it gets decremented too many times in end bio callback and
becomes negative.
Signed-off-by: Tomasz Majchrzak <tomasz.majchrzak@xxxxxxxxx>
Reviewed-by: Artur Paszkiewicz <artur.paszkiewicz@xxxxxxxxx>
Signed-off-by: Shaohua Li <shli@xxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
---
drivers/md/raid10.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 0ba6c358c6e0..4cbc3df79a2a 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1161,6 +1161,8 @@ static void __make_request(struct mddev *mddev, struct bio *bio)
int max_sectors;
int sectors;
+ md_write_start(mddev, bio);
+
/*
* Register the new request and wait if the reconstruction
* thread has put up a bar for new requests.
@@ -1559,8 +1561,6 @@ static void make_request(struct mddev *mddev, struct bio *bio)
return;
}
- md_write_start(mddev, bio);
-
do {
/*
--
2.11.0