Btrfs: fix unprotected device list access when getting the fs information

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When we get the fs information, we forgot to acquire the mutex of device list,
it might cause the problem we might access a device that was removed. Fix
it by acquiring the device list mutex.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>

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Miao Xie 2014-09-03 21:35:40 +08:00 • committed by Chris Mason

parent fe48a5c00f

commit 15484377f5

1 changed files with 7 additions and 1 deletions

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fs/btrfs/super.c

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