linux.git/drivers/md/bcache/super.c, branch v3.17 Linux kernel source tree bcache: Drop unneeded blk_sync_queue() calls 2014-08-04T22:23:04+00:00 Kent Overstreet kmo@daterainc.com 2014-07-07T20:03:36+00:00 0781c8748cf1ea2b0dcd966571103909528c4efa this is needed for the queue/block device we created (it's done by blk_cleanup_queue() which we do call) - but calling it for the block devices we only opened is pointless. Change-Id: I53dfded14ed15b9581d10ca8399d5e1b3abbf9f2 
this is needed for the queue/block device we created (it's done by
blk_cleanup_queue() which we do call) - but calling it for the block devices we
only opened is pointless.

Change-Id: I53dfded14ed15b9581d10ca8399d5e1b3abbf9f2
bcache: add mutex lock for bch_is_open 2014-08-04T22:23:04+00:00 Jianjian Huo samuel.huo@gmail.com 2014-07-13T16:08:59+00:00 789d21dbd9d8889e62c79ec19585fcc97e42ef07 Since bch_is_open will iterate linked list bch_cache_sets and uncached_devices, it needs bch_register_lock. Signed-off-by: Jianjian Huo <samuel.huo@gmail.com> 
Since bch_is_open will iterate linked list bch_cache_sets and
uncached_devices, it needs bch_register_lock.

Signed-off-by: Jianjian Huo <samuel.huo@gmail.com>
bcache: try to set b->parent properly 2014-08-04T22:23:04+00:00 Slava Pestov sp@daterainc.com 2014-07-12T07:22:53+00:00 2452cc89063a2a6890368f185c4b6d7d8802179e bcache_flash_dev.ktest would reliably crash with 8k and 16k bucket size before; now it passes. Change-Id: Ib542232235e39298c3a7548fe52b645cabb823d1 
bcache_flash_dev.ktest would reliably crash with 8k and 16k bucket size
before; now it passes.

Change-Id: Ib542232235e39298c3a7548fe52b645cabb823d1
bcache: fix memory corruption in init error path 2014-08-04T22:23:04+00:00 Slava Pestov sp@daterainc.com 2014-06-19T22:05:59+00:00 c9a78332b42cbdcdd386a95192a716b67d1711a4 If register_cache_set() failed, we would touch ca->set after it had already been freed. Also, fix an assertion to catch this. Change-Id: I748e5f5b223e2d9b2602075dec2f997cced2394d 
If register_cache_set() failed, we would touch ca->set after
it had already been freed. Also, fix an assertion to catch
this.

Change-Id: I748e5f5b223e2d9b2602075dec2f997cced2394d
bcache: fix crash with incomplete cache set 2014-08-04T22:23:04+00:00 Slava Pestov sp@daterainc.com 2014-07-11T19:17:41+00:00 bf0c55c986540483c34ca640f2eef4c3314388b1 Change-Id: I6abde52afe917633480caaf4e2518f42a816d886 
Change-Id: I6abde52afe917633480caaf4e2518f42a816d886
bcache: Fix more early shutdown bugs 2014-08-04T22:23:04+00:00 Kent Overstreet kmo@daterainc.com 2014-06-12T02:44:49+00:00 d83353b319d47ef8cce82467da6a25c2d558253f Signed-off-by: Kent Overstreet <kmo@daterainc.com> 
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
bcache: fix uninterruptible sleep in writeback thread 2014-08-04T22:23:03+00:00 Slava Pestov sp@daterainc.com 2014-05-01T20:48:57+00:00 9e5c353510b26500bd6b8309823ac9ef2837b761 There were two issues here: - writeback thread did not start until the device first became dirty - writeback thread used uninterruptible sleep once running Without this patch I see kernel warnings printed and a load average of 1.52 after booting my test VM. With this patch the warnings are gone and the load average is near 0.00 as expected. Signed-off-by: Kent Overstreet <kmo@daterainc.com> 
There were two issues here:

- writeback thread did not start until the device first became dirty
- writeback thread used uninterruptible sleep once running

Without this patch I see kernel warnings printed and a load average of
1.52 after booting my test VM. With this patch the warnings are gone and
the load average is near 0.00 as expected.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
bcache: wait for buckets when allocating new btree root 2014-08-04T22:23:03+00:00 Slava Pestov sp@daterainc.com 2014-04-22T01:23:12+00:00 c5aa4a3157b55bdca18dd2a9d9f43314470b6d32 Tested: - sometimes bcache_tier test would hang on startup with a failure to allocate the btree root -- no longer seeing this Signed-off-by: Kent Overstreet <kmo@daterainc.com> 
Tested:
- sometimes bcache_tier test would hang on startup with a failure
  to allocate the btree root -- no longer seeing this

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
bcache: fix crash on shutdown in passthrough mode 2014-08-04T22:23:03+00:00 Slava Pestov sp@daterainc.com 2014-05-20T19:20:28+00:00 a664d0f05a2ec02c8f042db536d84d15d6e19e81 We never started the writeback thread in this case, so don't stop it. 
We never started the writeback thread in this case, so don't stop it.
bcache: fix lockdep warnings on shutdown 2014-08-04T22:23:03+00:00 Slava Pestov sp@daterainc.com 2014-04-29T22:39:27+00:00 e5112201c1285841f8b565ece5d6ae7e0d7947a2