summaryrefslogtreecommitdiffstats
path: root/block
diff options
context:
space:
mode:
Diffstat (limited to 'block')
-rw-r--r--block/Kconfig2
-rw-r--r--block/bfq-iosched.c2
-rw-r--r--block/blk-mq-debugfs.c7
3 files changed, 9 insertions, 2 deletions
diff --git a/block/Kconfig b/block/Kconfig
index 2466dcc3ef1d..56cb1695cd87 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -89,7 +89,7 @@ config BLK_DEV_THROTTLING
one needs to mount and use blkio cgroup controller for creating
cgroups and specifying per device IO rate policies.
- See Documentation/cgroup-v1/blkio-controller.txt for more information.
+ See Documentation/cgroup-v1/blkio-controller.rst for more information.
config BLK_DEV_THROTTLING_LOW
bool "Block throttling .low limit interface support (EXPERIMENTAL)"
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 06c9b00507b6..50c9d2598500 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -241,7 +241,7 @@ static struct kmem_cache *bfq_pool;
* containing only random (seeky) I/O are prevented from being tagged
* as soft real-time.
*/
-#define BFQQ_TOTALLY_SEEKY(bfqq) (bfqq->seek_history & -1)
+#define BFQQ_TOTALLY_SEEKY(bfqq) (bfqq->seek_history == -1)
/* Min number of samples required to perform peak-rate update */
#define BFQ_RATE_MIN_SAMPLES 32
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 748164f4e8b1..b3f2ba483992 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -918,6 +918,13 @@ void blk_mq_debugfs_register_sched(struct request_queue *q)
{
struct elevator_type *e = q->elevator->type;
+ /*
+ * If the parent directory has not been created yet, return, we will be
+ * called again later on and the directory/files will be created then.
+ */
+ if (!q->debugfs_dir)
+ return;
+
if (!e->queue_debugfs_attrs)
return;