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btrfs: Push mnt_want_write() outside of i_mutex
authorJan Kara <jack@suse.cz>
Tue, 12 Jun 2012 14:20:32 +0000 (16:20 +0200)
committerAl Viro <viro@zeniv.linux.org.uk>
Mon, 30 Jul 2012 21:02:51 +0000 (01:02 +0400)
When mnt_want_write() starts to handle freezing it will get a full lock
semantics requiring proper lock ordering. So push mnt_want_write() call
consistently outside of i_mutex.

CC: Chris Mason <chris.mason@oracle.com>
CC: linux-btrfs@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/btrfs/ioctl.c patch | blob | history

diff --cc fs/btrfs/ioctl.c
Simple merge
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