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Commit 4675719d authored by Hou Tao's avatar Hou Tao Committed by Song Liu
Browse files

raid1: use an int as the return value of raise_barrier() 



Using a sector_t as the return value is misleading, because
raise_barrier() only return 0 or -EINTR.

Also add comments for the return values of raise_barrier().

Signed-off-by: default avatarHou Tao <houtao1@huawei.com>
Signed-off-by: default avatarSong Liu <songliubraving@fb.com>
parent 00ec4f30

drivers/md/raid1.c

+4 −1
Original line number Diff line number Diff line
@@ -872,8 +872,11 @@ static void flush_pending_writes(struct r1conf *conf) 
 * backgroup IO calls must call raise_barrier.  Once that returns

 *    there is no normal IO happeing.  It must arrange to call

 *    lower_barrier when the particular background IO completes.

 *

 * If resync/recovery is interrupted, returns -EINTR;

 * Otherwise, returns 0.

 */

static sector_t raise_barrier(struct r1conf *conf, sector_t sector_nr)

static int raise_barrier(struct r1conf *conf, sector_t sector_nr)

{

	int idx = sector_to_idx(sector_nr);