summaryrefslogtreecommitdiff
path: root/include/scsi
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2014-09-14 03:40:11 +0400
committerJens Axboe <axboe@fb.com>2014-09-22 22:00:07 +0400
commit81481eb423c295c5480a3fab9bb961cf286c91e7 (patch)
tree3d4f0eaed9f784ba5beb41aa9fec3e76b867c1e8 /include/scsi
parentc8a446ad695ada43a885ec12b38411dbd190a11b (diff)
downloadlinux-81481eb423c295c5480a3fab9bb961cf286c91e7.tar.xz
blk-mq: fix and simplify tag iteration for the timeout handler
Don't do a kmalloc from timer to handle timeouts, chances are we could be under heavy load or similar and thus just miss out on the timeouts. Fortunately it is very easy to just iterate over all in use tags, and doing this properly actually cleans up the blk_mq_busy_iter API as well, and prepares us for the next patch by passing a reserved argument to the iterator. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_tcq.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h
index cdcc90b07ecb..e64583560701 100644
--- a/include/scsi/scsi_tcq.h
+++ b/include/scsi/scsi_tcq.h
@@ -68,7 +68,7 @@ static inline void scsi_activate_tcq(struct scsi_device *sdev, int depth)
return;
if (!shost_use_blk_mq(sdev->host) &&
- blk_queue_tagged(sdev->request_queue))
+ !blk_queue_tagged(sdev->request_queue))
blk_queue_init_tags(sdev->request_queue, depth,
sdev->host->bqt);