Commit 5ab82d80 authored Jul 28, 2016 by Tomasz Majchrzak Committed by Greg Kroah-Hartman Apr 18, 2017

raid10: increment write counter after bio is split



commit 9b622e2bbcf049c82e2550d35fb54ac205965f50 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent b39ba71c

drivers/md/raid10.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1171,6 +1171,8 @@ 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.
		@@ -1556,8 +1558,6 @@ static void make_request(struct mddev mddev, struct bio bio)
		return;
		}

		md_write_start(mddev, bio);

		do {

		/*