Author: avg
Date: Thu Mar 23 08:22:27 2017
New Revision: 315849
URL: https://svnweb.freebsd.org/changeset/base/315849
Log:
MFC r315076: zfs: provide a special vptocnp method for the .zfs vnode
Modified:
stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c
==============================================================================
--- stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c
Thu Mar 23 08:22:11 2017 (r315848)
+++ stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c
Thu Mar 23 08:22:27 2017 (r315849)
@@ -706,6 +706,28 @@ zfsctl_root_readdir(ap)
return (0);
}
+static int
+zfsctl_root_vptocnp(struct vop_vptocnp_args *ap)
+{
+ static const char dotzfs_name[4] = ".zfs";
+ vnode_t *dvp;
+ int error;
+
+ if (*ap->a_buflen < sizeof (dotzfs_name))
+ return (SET_ERROR(ENOMEM));
+
+ error = vn_vget_ino_gen(ap->a_vp, zfsctl_fs_root_vnode, NULL,
+ LK_SHARED, &dvp);
+ if (error != 0)
+ return (SET_ERROR(error));
+
+ VOP_UNLOCK(dvp, 0);
+ *ap->a_vpp = dvp;
+ *ap->a_buflen -= sizeof (dotzfs_name);
+ bcopy(dotzfs_name, ap->a_buf + *ap->a_buflen, sizeof (dotzfs_name));
+ return (0);
+}
+
static struct vop_vector zfsctl_ops_root = {
.vop_default = &default_vnodeops,
.vop_open = zfsctl_common_open,
@@ -719,6 +741,7 @@ static struct vop_vector zfsctl_ops_root
.vop_reclaim = zfsctl_common_reclaim,
.vop_fid = zfsctl_common_fid,
.vop_print = zfsctl_common_print,
+ .vop_vptocnp = zfsctl_root_vptocnp,
};
static int
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