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author | Al Viro <viro@zeniv.linux.org.uk> | 2011-11-23 19:26:23 -0500 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-01-03 22:52:36 -0500 |
commit | b2dba1af3c4157040303a76d25216b1713d333d0 (patch) | |
tree | c846b1c8074d29b9fc02ef3eeda98631dfd6ee94 /fs/exofs | |
parent | aa9c0e07bb90589186f3b5a0ca97660c2cb50806 (diff) | |
download | op-kernel-dev-b2dba1af3c4157040303a76d25216b1713d333d0.zip op-kernel-dev-b2dba1af3c4157040303a76d25216b1713d333d0.tar.gz |
vfs: new internal helper: mnt_has_parent(mnt)
vfsmounts have ->mnt_parent pointing either to a different vfsmount
or to itself; it's never NULL and termination condition in loops
traversing the tree towards root is mnt == mnt->mnt_parent. At least
one place (see the next patch) is confused about what's going on;
let's add an explicit helper checking it right way and use it in
all places where we need it. Not that there had been too many,
but...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/exofs')
0 files changed, 0 insertions, 0 deletions