doc/share/security/patches/EN-10:01/zfsmac.patch
Bjoern A. Zeeb 3571e53040 Import FreeBSD Security Advisories and Errata Notices, as well as their
patches for easier mirroring, to eliminate a special copy, to make
www.freebsd.org/security a full copy of security.freebsd.org and be
eventually be the same.

For now files are just sitting there.   The symlinks are missing.

Discussed on:	www (repository location)
Discussed with:	simon (so)
2012-08-15 06:19:40 +00:00

78 lines
2.2 KiB
Diff

Index: sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c
===================================================================
--- sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c (revision 200583)
+++ sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c (working copy)
@@ -143,16 +143,19 @@ zfs_znode_cache_constructor(void *buf, void *arg,
POINTER_INVALIDATE(&zp->z_zfsvfs);
ASSERT(!POINTER_IS_VALID(zp->z_zfsvfs));
- ASSERT(vfsp != NULL);
- error = getnewvnode("zfs", vfsp, &zfs_vnodeops, &vp);
- if (error != 0 && (kmflags & KM_NOSLEEP))
- return (-1);
- ASSERT(error == 0);
- vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
- zp->z_vnode = vp;
- vp->v_data = (caddr_t)zp;
- VN_LOCK_AREC(vp);
+ if (vfsp != NULL) {
+ error = getnewvnode("zfs", vfsp, &zfs_vnodeops, &vp);
+ if (error != 0 && (kmflags & KM_NOSLEEP))
+ return (-1);
+ ASSERT(error == 0);
+ vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
+ zp->z_vnode = vp;
+ vp->v_data = (caddr_t)zp;
+ VN_LOCK_AREC(vp);
+ } else {
+ zp->z_vnode = NULL;
+ }
list_link_init(&zp->z_link_node);
@@ -1435,7 +1438,7 @@ zfs_create_fs(objset_t *os, cred_t *cr, nvlist_t *
nvpair_t *elem;
int error;
znode_t *rootzp = NULL;
- vnode_t *vp;
+ vnode_t vnode;
vattr_t vattr;
znode_t *zp;
@@ -1504,13 +1507,13 @@ zfs_create_fs(objset_t *os, cred_t *cr, nvlist_t *
vattr.va_gid = crgetgid(cr);
rootzp = kmem_cache_alloc(znode_cache, KM_SLEEP);
- zfs_znode_cache_constructor(rootzp, &zfsvfs, 0);
+ zfs_znode_cache_constructor(rootzp, NULL, 0);
rootzp->z_unlinked = 0;
rootzp->z_atime_dirty = 0;
- vp = ZTOV(rootzp);
- vp->v_type = VDIR;
- VN_LOCK_ASHARE(vp);
+ vnode.v_type = VDIR;
+ vnode.v_data = rootzp;
+ rootzp->z_vnode = &vnode;
bzero(&zfsvfs, sizeof (zfsvfs_t));
@@ -1539,16 +1542,10 @@ zfs_create_fs(objset_t *os, cred_t *cr, nvlist_t *
ASSERT(error == 0);
POINTER_INVALIDATE(&rootzp->z_zfsvfs);
- VI_LOCK(vp);
- ZTOV(rootzp)->v_data = NULL;
- ZTOV(rootzp)->v_count = 0;
- ZTOV(rootzp)->v_holdcnt = 0;
- rootzp->z_vnode = NULL;
- VOP_UNLOCK(vp, 0);
- vdestroy(vp);
dmu_buf_rele(rootzp->z_dbuf, NULL);
rootzp->z_dbuf = NULL;
mutex_destroy(&zfsvfs.z_znodes_lock);
+ rootzp->z_vnode = NULL;
kmem_cache_free(znode_cache, rootzp);
}