This patch avoids that sparse reports the following:
block/blk-mq.c:637:33: warning: context imbalance in 'hctx_unlock' - unexpected unlock
block/blk-mq.c:642:9: warning: context imbalance in 'hctx_lock' - wrong count at exit
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
}
static void hctx_unlock(struct blk_mq_hw_ctx *hctx, int srcu_idx)
+ __releases(hctx->srcu)
{
if (!(hctx->flags & BLK_MQ_F_BLOCKING))
rcu_read_unlock();
}
static void hctx_lock(struct blk_mq_hw_ctx *hctx, int *srcu_idx)
+ __acquires(hctx->srcu)
{
if (!(hctx->flags & BLK_MQ_F_BLOCKING)) {
/* shut up gcc false positive */