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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-12-17 11:46:07 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-12-17 11:46:07 -0800 |
| commit | fa09ca5ebce5b293ddba9b042d8fa9ed690bd91d (patch) | |
| tree | df5c5e475f48cf7a5dfa6a43c0ab8de54c3109cb /drivers/md | |
| parent | Merge tag 'io_uring-5.16-2021-12-17' of git://git.kernel.dk/linux-block (diff) | |
| parent | bcache: fix NULL pointer reference in cached_dev_detach_finish (diff) | |
| download | linux-dev-fa09ca5ebce5b293ddba9b042d8fa9ed690bd91d.tar.xz linux-dev-fa09ca5ebce5b293ddba9b042d8fa9ed690bd91d.zip | |
Merge tag 'block-5.16-2021-12-17' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Fix for hammering on the delayed run queue timer (me)
- bcache regression fix for this merge window (Lin)
- Fix a divide-by-zero in the blk-iocost code (Tejun)
* tag 'block-5.16-2021-12-17' of git://git.kernel.dk/linux-block:
bcache: fix NULL pointer reference in cached_dev_detach_finish
block: reduce kblockd_mod_delayed_work_on() CPU consumption
iocost: Fix divide-by-zero on donation from low hweight cgroup
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/super.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 86b9e355c583..140f35dc0c45 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -1139,6 +1139,7 @@ static void cancel_writeback_rate_update_dwork(struct cached_dev *dc) static void cached_dev_detach_finish(struct work_struct *w) { struct cached_dev *dc = container_of(w, struct cached_dev, detach); + struct cache_set *c = dc->disk.c; BUG_ON(!test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags)); BUG_ON(refcount_read(&dc->count)); @@ -1156,7 +1157,7 @@ static void cached_dev_detach_finish(struct work_struct *w) bcache_device_detach(&dc->disk); list_move(&dc->list, &uncached_devices); - calc_cached_dev_sectors(dc->disk.c); + calc_cached_dev_sectors(c); clear_bit(BCACHE_DEV_DETACHING, &dc->disk.flags); clear_bit(BCACHE_DEV_UNLINK_DONE, &dc->disk.flags); |