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authorJens Axboe <axboe@fb.com>2014-05-30 08:25:36 -0600
committerJens Axboe <axboe@fb.com>2014-05-30 08:25:36 -0600
commit67aec14ce87fe25bdfff7dbf468556333df11c4e (patch)
tree85857d82abc91996bfdf054774f46e5aa519acec /include/linux/blk-mq.h
parent2230237500821aedfcf2bba2a79d9cbca389233c (diff)
downloadop-kernel-dev-67aec14ce87fe25bdfff7dbf468556333df11c4e.zip
op-kernel-dev-67aec14ce87fe25bdfff7dbf468556333df11c4e.tar.gz
blk-mq: make the sysfs mq/ layout reflect current mappings
Currently blk-mq registers all the hardware queues in sysfs, regardless of whether it uses them (e.g. they have CPU mappings) or not. The unused hardware queues lack the cpux/ directories, and the other sysfs entries (like active, pending, etc) are all zeroes. Change this so that sysfs correctly reflects the current mappings of the hardware queues. Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux/blk-mq.h')
-rw-r--r--include/linux/blk-mq.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index ad3adb7..c151288 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -130,6 +130,7 @@ enum {
BLK_MQ_F_SHOULD_SORT = 1 << 1,
BLK_MQ_F_TAG_SHARED = 1 << 2,
BLK_MQ_F_SG_MERGE = 1 << 3,
+ BLK_MQ_F_SYSFS_UP = 1 << 4,
BLK_MQ_S_STOPPED = 0,
BLK_MQ_S_TAG_ACTIVE = 1,
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