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| author | kib <kib@FreeBSD.org> | 2012-01-03 21:03:20 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2012-01-03 21:03:20 +0000 |
| commit | 0c5a3f31efc71beb9a4e0e208ad135288a8142a5 (patch) | |
| tree | 17f16f6d5f31aebc722bd3cabdcd0e8db1484b16 /sys/fs | |
| parent | 6d5201fff5de9848473516a5a44af10d3453890c (diff) | |
| download | FreeBSD-src-0c5a3f31efc71beb9a4e0e208ad135288a8142a5.zip FreeBSD-src-0c5a3f31efc71beb9a4e0e208ad135288a8142a5.tar.gz | |
Document the state of the lowervp vnode for null_nodeget().
Tested by: pho
MFC after: 1 week
Diffstat (limited to 'sys/fs')
| -rw-r--r-- | sys/fs/nullfs/null_subr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/fs/nullfs/null_subr.c b/sys/fs/nullfs/null_subr.c index a45ccf7..5af3971 100644 --- a/sys/fs/nullfs/null_subr.c +++ b/sys/fs/nullfs/null_subr.c @@ -198,6 +198,9 @@ null_nodeget(mp, lowervp, vpp) struct vnode *vp; int error; + ASSERT_VOP_LOCKED(lowervp, "lowervp"); + KASSERT(lowervp->v_usecount >= 1, ("Unreferenced vnode %p\n", vp)); + /* Lookup the hash firstly */ *vpp = null_hashget(mp, lowervp); if (*vpp != NULL) { |
