diff options
| author | Coly Li | 2019-04-25 00:48:39 +0800 |
|---|---|---|
| committer | Jens Axboe | 2019-04-24 10:56:28 -0600 |
| commit | 63d63b51d70fb5155754dcf0baa2c1700bcafcb0 (patch) | |
| tree | df2e71a03a0c6b630949ec75daea7bc39445d6af /drivers | |
| parent | bb6d355c2aff42d4075a8e7428dd72cb009d6143 (diff) | |
bcache: add comments for closure_fn to be called in closure_queue()
Add code comments to explain which call back function might be called
for the closure_queue(). This is an effort to make code to be more
understandable for readers.
Signed-off-by: Coly Li <colyli@suse.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/bcache/super.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index fa856b2ca7af..0363ab534c8e 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -662,6 +662,11 @@ static const struct block_device_operations bcache_ops = { void bcache_device_stop(struct bcache_device *d) { if (!test_and_set_bit(BCACHE_DEV_CLOSING, &d->flags)) + /* + * closure_fn set to + * - cached device: cached_dev_flush() + * - flash dev: flash_dev_flush() + */ closure_queue(&d->cl); } @@ -1675,6 +1680,7 @@ static void __cache_set_unregister(struct closure *cl) void bch_cache_set_stop(struct cache_set *c) { if (!test_and_set_bit(CACHE_SET_STOPPING, &c->flags)) + /* closure_fn set to __cache_set_unregister() */ closure_queue(&c->caching); } |