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alistair23-linux
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bcache: Fix a bug when detaching 

After detaching a backing device from a cache set, a bit wasn't getting
reset meaning the second detach wouldn't work correctly.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
hifive-unleashed-5.1
Kent Overstreet 2014-03-19 17:49:37 -07:00
parent 4c834452aa
commit 5b1016e62f
1 changed files with 6 additions and 3 deletions
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9
drivers/md/bcache/super.c
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@ -927,6 +927,7 @@ static void cached_dev_detach_finish(struct work_struct *w)
list_move(&dc->list, &uncached_devices);
clear_bit(BCACHE_DEV_DETACHING, &dc->disk.flags);
clear_bit(BCACHE_DEV_UNLINK_DONE, &dc->disk.flags);
mutex_unlock(&bch_register_lock);
@ -1405,9 +1406,11 @@ static void cache_set_flush(struct closure *cl)
if (ca->alloc_thread)
kthread_stop(ca->alloc_thread);
cancel_delayed_work_sync(&c->journal.work);
/* flush last journal entry if needed */
c->journal.work.work.func(&c->journal.work.work);
if (c->journal.cur) {
cancel_delayed_work_sync(&c->journal.work);
/* flush last journal entry if needed */
c->journal.work.work.func(&c->journal.work.work);
}
closure_return(cl);
}