* [PATCH AUTOSEL 4.4 34/48] bcache: recal cached_dev_sectors on detach
[not found] <20191113020131.13356-1-sashal@kernel.org>
@ 2019-11-13 2:01 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2019-11-13 2:01 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Shenghui Wang, Coly Li, Jens Axboe, Sasha Levin, linux-bcache
From: Shenghui Wang <shhuiw@foxmail.com>
[ Upstream commit 46010141da6677b81cc77f9b47f8ac62bd1cbfd3 ]
Recal cached_dev_sectors on cached_dev detached, as recal done on
cached_dev attached.
Update the cached_dev_sectors before bcache_device_detach called
as bcache_device_detach will set bcache_device->c to NULL.
Signed-off-by: Shenghui Wang <shhuiw@foxmail.com>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/md/bcache/super.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index e420921460836..df8f1e69077f6 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -902,6 +902,7 @@ static void cached_dev_detach_finish(struct work_struct *w)
bch_write_bdev_super(dc, &cl);
closure_sync(&cl);
+ calc_cached_dev_sectors(dc->disk.c);
bcache_device_detach(&dc->disk);
list_move(&dc->list, &uncached_devices);
--
2.20.1
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2019-11-13 2:01 ` [PATCH AUTOSEL 4.4 34/48] bcache: recal cached_dev_sectors on detach Sasha Levin
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