diff options
Diffstat (limited to 'drivers/block/loop.c')
| -rw-r--r-- | drivers/block/loop.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 13ce229d450c..272bc608e528 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -348,11 +348,10 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd, struct file *file = lo->lo_backing_file; struct bio_vec tmp; unsigned int offset; - int nr_bvec = 0; + unsigned int nr_bvec; int ret; - rq_for_each_bvec(tmp, rq, rq_iter) - nr_bvec++; + nr_bvec = blk_rq_nr_bvec(rq); if (rq->bio != rq->biotail) { @@ -1908,6 +1907,10 @@ static void loop_handle_cmd(struct loop_cmd *cmd) goto failed; } + /* We can block in this context, so ignore REQ_NOWAIT. */ + if (rq->cmd_flags & REQ_NOWAIT) + rq->cmd_flags &= ~REQ_NOWAIT; + if (cmd_blkcg_css) kthread_associate_blkcg(cmd_blkcg_css); if (cmd_memcg_css) |