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(parent: fe48a5c) | 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)
commit15484377f597ca98ee84de87caa13667ea68bb14
tree70ccf2e4e260ec20e46e3b477865b71c22949f66tree | snapshot
parentfe48a5c00f3c8087fc0a447caee2b5f9f97cf238commit | 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
Domain: System / Kernel; Licenses: GPL-2.0;