btrfs: get ->kill_sb() of its own
authorAl Viro <viro@zeniv.linux.org.uk>
Thu, 17 Nov 2011 06:22:46 +0000 (01:22 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Mon, 9 Jan 2012 00:33:23 +0000 (19:33 -0500)
commitaea52e19dd2085617dd7d247afb76a90cf2ea40c
treed1416b60797f2a5f0c0f67062bcaaee6b227683a
parent98c7089c769048f941bd5c5285287f8fc301f8b1
btrfs: get ->kill_sb() of its own

... and move free_fs_info() to that, out of ->put_super().  Do NOT
set ->s_fs_info to NULL in the latter; we need it for sget() to
be able to see and wait for fs in the middle of umount if we get a
mount/umount race.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/btrfs/super.c