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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-28 14:27:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-28 14:27:12 -0700 |
| commit | 6c0029211382011af508273c4fc98a732f841d95 (patch) | |
| tree | 63b47915c50542b28d1de48d0e50318afdb32dbb /block/blk-mq-debugfs.c | |
| parent | 16b3d0cf5bad844daaf436ad2e9061de0fe36e5c (diff) | |
| parent | f46ec84b5acbf8d7067d71a6bbdde213d4b86036 (diff) | |
Merge tag 'for-5.13/block-2021-04-27' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
"Pretty quiet round this time, which is nice. In detail:
- Series revamping bounce buffer support (Christoph)
- Dead code removal (Christoph, Bart)
- Partition iteration revamp, now using xarray (Christoph)
- Passthrough request scheduler improvements (Lin)
- Series of BFQ improvements (Paolo)
- Fix ioprio task iteration (Peter)
- Various little tweaks and fixes (Tejun, Saravanan, Bhaskar, Max,
Nikolay)"
* tag 'for-5.13/block-2021-04-27' of git://git.kernel.dk/linux-block: (41 commits)
blk-iocost: don't ignore vrate_min on QD contention
blk-mq: Fix spurious debugfs directory creation during initialization
bfq/mq-deadline: remove redundant check for passthrough request
blk-mq: bypass IO scheduler's limit_depth for passthrough request
block: Remove an obsolete comment from sg_io()
block: move bio_list_copy_data to pktcdvd
block: remove zero_fill_bio_iter
block: add queue_to_disk() to get gendisk from request_queue
block: remove an incorrect check from blk_rq_append_bio
block: initialize ret in bdev_disk_changed
block: Fix sys_ioprio_set(.which=IOPRIO_WHO_PGRP) task iteration
block: remove disk_part_iter
block: simplify diskstats_show
block: simplify show_partition
block: simplify printk_all_partitions
block: simplify partition_overlaps
block: simplify partition removal
block: take bd_mutex around delete_partitions in del_gendisk
block: refactor blk_drop_partitions
block: move more syncing and invalidation to delete_partition
...
Diffstat (limited to 'block/blk-mq-debugfs.c')
| -rw-r--r-- | block/blk-mq-debugfs.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 271f6596435b..2a75bc7401df 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -972,6 +972,14 @@ void blk_mq_debugfs_register_sched_hctx(struct request_queue *q, { struct elevator_type *e = q->elevator->type; + /* + * If the parent debugfs directory has not been created yet, return; + * We will be called again later on with appropriate parent debugfs + * directory from blk_register_queue() + */ + if (!hctx->debugfs_dir) + return; + if (!e->hctx_debugfs_attrs) return; |