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| author | Kent Overstreet <kmo@daterainc.com> | 2014-03-19 17:49:37 -0700 |
|---|---|---|
| committer | Kent Overstreet <kmo@daterainc.com> | 2014-08-04 15:23:02 -0700 |
| commit | 5b1016e62f74c53e0330403025954c8d95384c03 (patch) | |
| tree | 2ca2e94a73af4a5fa51e9dc13d8c68df3d3babf5 /drivers/md | |
| parent | 4c834452aad01531db949414f94f817a86348d59 (diff) | |
| download | linux-5b1016e62f74c53e0330403025954c8d95384c03.tar.bz2 | |
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>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/super.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 926ded8ccbf5..1ea9fa27ee3c 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -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); } |