Fix the incorrect addition of a leading '/' in file paths in the journaling

stream.  This addition was a side effect of changes made to the
namecache topology.

Submitted-by: "Steve O'Hara-Smith" <steve@sohara.org>

diff --git a/sys/kern/vfs_journal.c b/sys/kern/vfs_journal.c
index bedfd5f..88f3e9b 100644 (file)
--- a/sys/kern/vfs_journal.c
+++ b/sys/kern/vfs_journal.c
@@ -31,7 +31,7 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $DragonFly: src/sys/kern/vfs_journal.c,v 1.31 2007/01/12 06:06:57 dillon Exp $
+ * $DragonFly: src/sys/kern/vfs_journal.c,v 1.32 2007/01/25 18:19:31 dillon Exp $
  */
 /*
  * The journaling protocol is intended to evolve into a two-way stream
@@ -1160,7 +1160,8 @@ jrecord_write_path(struct jrecord *jrec, int16_t rectype, struct namecache *ncp)
 again:
     pathlen = 0;
     for (scan = ncp; scan; scan = scan->nc_parent) {
-       pathlen += scan->nc_nlen + 1;
+       if (scan->nc_nlen > 0)
+           pathlen += scan->nc_nlen + 1;
     }
 
     if (pathlen <= sizeof(buf))
@@ -1173,6 +1174,8 @@ again:
      */
     index = pathlen;
     for (scan = ncp; scan; scan = scan->nc_parent) {
+       if (scan->nc_nlen == 0)
+           continue;
        if (scan->nc_nlen >= index) {
            if (base != buf)
                kfree(base, M_TEMP);