diff options
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c index 9aa46636..729d36d 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c @@ -1569,99 +1569,6 @@ zfsctl_snapshot_reclaim(ap) } static int -zfsctl_traverse_begin(vnode_t **vpp, int lktype) -{ - - VN_HOLD(*vpp); - /* Snapshot should be already mounted, but just in case. */ - if (vn_mountedvfs(*vpp) == NULL) - return (ENOENT); - return (traverse(vpp, lktype)); -} - -static void -zfsctl_traverse_end(vnode_t *vp, int err) -{ - - if (err == 0) - vput(vp); - else - VN_RELE(vp); -} - -static int -zfsctl_snapshot_getattr(ap) - struct vop_getattr_args /* { - struct vnode *a_vp; - struct vattr *a_vap; - struct ucred *a_cred; - } */ *ap; -{ - vnode_t *vp = ap->a_vp; - int err; - - err = zfsctl_traverse_begin(&vp, LK_SHARED | LK_RETRY); - if (err == 0) - err = VOP_GETATTR(vp, ap->a_vap, ap->a_cred); - zfsctl_traverse_end(vp, err); - return (err); -} - -static int -zfsctl_snapshot_fid(ap) - struct vop_fid_args /* { - struct vnode *a_vp; - struct fid *a_fid; - } */ *ap; -{ - vnode_t *vp = ap->a_vp; - int err; - - err = zfsctl_traverse_begin(&vp, LK_SHARED | LK_RETRY); - if (err == 0) - err = VOP_VPTOFH(vp, (void *)ap->a_fid); - zfsctl_traverse_end(vp, err); - return (err); -} - -static int -zfsctl_snapshot_lookup(ap) - struct vop_lookup_args /* { - struct vnode *a_dvp; - struct vnode **a_vpp; - struct componentname *a_cnp; - } */ *ap; -{ - vnode_t *dvp = ap->a_dvp; - vnode_t **vpp = ap->a_vpp; - struct componentname *cnp = ap->a_cnp; - cred_t *cr = ap->a_cnp->cn_cred; - zfsvfs_t *zfsvfs = dvp->v_vfsp->vfs_data; - int error; - - if (cnp->cn_namelen != 2 || cnp->cn_nameptr[0] != '.' || - cnp->cn_nameptr[1] != '.') { - return (ENOENT); - } - - ASSERT(dvp->v_type == VDIR); - ASSERT(zfsvfs->z_ctldir != NULL); - - error = zfsctl_root_lookup(zfsvfs->z_ctldir, "snapshot", vpp, - NULL, 0, NULL, cr, NULL, NULL, NULL); - if (error == 0) { - int ltype = VOP_ISLOCKED(dvp); - VN_HOLD(*vpp); - VOP_UNLOCK(dvp, 0); - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY); - VN_RELE(*vpp); - vn_lock(dvp, ltype | LK_RETRY); - } - - return (error); -} - -static int zfsctl_snapshot_vptocnp(struct vop_vptocnp_args *ap) { zfsvfs_t *zfsvfs = ap->a_vp->v_vfsp->vfs_data; @@ -1725,10 +1632,7 @@ zfsctl_snaphot_print(ap) static struct vop_vector zfsctl_ops_snapshot = { .vop_default = &default_vnodeops, .vop_inactive = VOP_NULL, - .vop_lookup = zfsctl_snapshot_lookup, .vop_reclaim = zfsctl_snapshot_reclaim, - .vop_getattr = zfsctl_snapshot_getattr, - .vop_fid = zfsctl_snapshot_fid, .vop_vptocnp = zfsctl_snapshot_vptocnp, .vop_print = zfsctl_snaphot_print, }; |
