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Btrfs: fix unprotected system chunk array insertion
authorMiao Xie <miaox@cn.fujitsu.com>
Wed, 3 Sep 2014 13:35:39 +0000 (21:35 +0800)
committerChris Mason <clm@fb.com>
Wed, 17 Sep 2014 20:38:40 +0000 (13:38 -0700)
commitfe48a5c00f3c8087fc0a447caee2b5f9f97cf238
treea8d47049a474f3954575fe322236f305868355a8tree | snapshot (tar.gz zip)
parent7cc8e58d53cd2295c3c1cee7b503bd1790ea4486commit | diff
Btrfs: fix unprotected system chunk array insertion

We didn't protect the system chunk array when we added a new
system chunk into it, it would cause the array be corrupted
if someone remove/add some system chunk into array at the same
time. Fix it by chunk lock.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/volumes.c diff | blob | blame | history