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authorEric W. Biederman <ebiederm@xmission.com>2015-01-03 05:39:35 -0600
committerEric W. Biederman <ebiederm@xmission.com>2015-04-02 20:34:19 -0500
commit5d88457eb5b86b475422dc882f089203faaeedb5 (patch)
tree19d4a52f225092dfa2875dcb073d129151e910cf /lib/stmp_device.c
parent411a938b5abc9cb126c41cccf5975ae464fe0f3e (diff)
downloadlinux-5d88457eb5b86b475422dc882f089203faaeedb5.tar.bz2
mnt: On an unmount propagate clearing of MNT_LOCKED
A prerequisite of calling umount_tree is that the point where the tree is mounted at is valid to unmount. If we are propagating the effect of the unmount clear MNT_LOCKED in every instance where the same filesystem is mounted on the same mountpoint in the mount tree, as we know (by virtue of the fact that umount_tree was called) that it is safe to reveal what is at that mountpoint. Cc: stable@vger.kernel.org Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'lib/stmp_device.c')
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