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blk-mq-debugfs: Add decode for BLK_MQ_F_TAG_HCTX_SHARED 

Showing the hctx flags for when BLK_MQ_F_TAG_HCTX_SHARED is set gives
something like:

root@debian:/home/john# more /sys/kernel/debug/block/sda/hctx0/flags
alloc_policy=FIFO SHOULD_MERGE|TAG_QUEUE_SHARED|3

Add the decoding for that flag.

Fixes: 32bc15afed ("blk-mq: Facilitate a shared sbitmap per tagset")
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
John Garry 2021-01-08 16:55:37 +08:00 committed by Jens Axboe
parent 3a21777c6e
commit 02f938e9fe
1 changed files with 1 additions and 0 deletions
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block/blk-mq-debugfs.c
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@ -246,6 +246,7 @@ static const char *const hctx_flag_name[] = {
HCTX_FLAG_NAME(BLOCKING),
HCTX_FLAG_NAME(NO_SCHED),
HCTX_FLAG_NAME(STACKING),
HCTX_FLAG_NAME(TAG_HCTX_SHARED),
};
#undef HCTX_FLAG_NAME