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(parent: 5d3dbcb) | patch
Btrfs: fix unprotected device list access when getting the fs information
authorMiao Xie <miaox@cn.fujitsu.com>
Wed, 3 Sep 2014 13:35:40 +0000 (21:35 +0800)
committerChris Mason <clm@fb.com>
Wed, 17 Sep 2014 20:38:41 +0000 (13:38 -0700)
commit249f89e5316c52935c66fc0d23528e7769c2a007
tree70ccf2e4e260ec20e46e3b477865b71c22949f66tree | snapshot
parent5d3dbcb26166e860bee85d25acdeccac1b9609f3commit | diff
Btrfs: fix unprotected device list access when getting the fs information

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>
fs/btrfs/super.c diff | blob | history
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