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raid10: increment write counter after bio is split

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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@intel.com>
Reviewed-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>
This commit is contained in:
Tomasz Majchrzak 2016-07-28 10:28:25 +02:00 committed by Shaohua Li
parent d761f3ed6e
commit 9b622e2bbc
1 changed files with 2 additions and 2 deletions
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4
drivers/md/raid10.c
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@ -1064,6 +1064,8 @@ 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.
@ -1445,8 +1447,6 @@ static void raid10_make_request(struct mddev *mddev, struct bio *bio)
return;
}
md_write_start(mddev, bio);
do {
/*