tree 2a3bc9562e061c03c444e4ab1d5df2a3d9e15680
parent f598f9f1252b33410ffc52f51e117645ac5116c4
author Al Viro <viro@zeniv.linux.org.uk> 1264295429 -0500
committer Al Viro <viro@zeniv.linux.org.uk> 1267643274 -0500

Get rid of mnt_mountpoint abuses in ext4

path to mnt/mnt->mnt_root is no worse than that to
mnt->mnt_parent/mnt->mnt_mountpoint *and* needs no
pinning the sucker down (mnt is not going away and
mnt->mnt_root won't change)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>