btrfs: Push mnt_want_write() outside of i_mutex

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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>

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Jan Kara 2012-06-12 16:20:32 +02:00 • committed by Al Viro

parent e24f17da35

commit e7848683ae

1 changed files with 11 additions and 12 deletions

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23

fs/btrfs/ioctl.c

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