Author: kib
Date: Wed Feb 17 19:43:03 2016
New Revision: 295717
URL: https://svnweb.freebsd.org/changeset/base/295717
Log:
After nullfs rmdir operation, reclaim the directory vnode which was
unlinked. Otherwise the vnode stays cached, causing leak. This is
similar to r292961 for regular files.
Reported and tested by: pho (previous version)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/sys/fs/nullfs/null_vnops.c
Modified: head/sys/fs/nullfs/null_vnops.c
==============================================================================
--- head/sys/fs/nullfs/null_vnops.c Wed Feb 17 19:39:57 2016
(r295716)
+++ head/sys/fs/nullfs/null_vnops.c Wed Feb 17 19:43:03 2016
(r295717)
@@ -619,6 +619,14 @@ null_rename(struct vop_rename_args *ap)
return (null_bypass((struct vop_generic_args *)ap));
}
+static int
+null_rmdir(struct vop_rmdir_args *ap)
+{
+
+ VTONULL(ap->a_vp)->null_flags |= NULLV_DROP;
+ return (null_bypass(&ap->a_gen));
+}
+
/*
* We need to process our own vnode lock and then clear the
* interlock flag as it applies only to our vnode, not the
@@ -920,6 +928,7 @@ struct vop_vector null_vnodeops = {
.vop_reclaim = null_reclaim,
.vop_remove = null_remove,
.vop_rename = null_rename,
+ .vop_rmdir = null_rmdir,
.vop_setattr = null_setattr,
.vop_strategy = VOP_EOPNOTSUPP,
.vop_unlock = null_unlock,
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