Remove zfs_parse_bootfs() support

Remove unneeded bootfs functions.  This support shouldn't be required
for the Linux port, and even if it is it would need to be reworked
to integrate cleanly with Linux.

diff --git a/module/zfs/zfs_vfsops.c b/module/zfs/zfs_vfsops.c
index a97d0bd..ef43312 100644 (file)
--- a/module/zfs/zfs_vfsops.c
+++ b/module/zfs/zfs_vfsops.c
@@ -1245,61 +1245,6 @@ zfs_unregister_callbacks(zfsvfs_t *zfsvfs)
 }
 EXPORT_SYMBOL(zfs_unregister_callbacks);
 
-/*
- * Convert a decimal digit string to a uint64_t integer.
- */
-static int
-str_to_uint64(char *str, uint64_t *objnum)
-{
-       uint64_t num = 0;
-
-       while (*str) {
-               if (*str < '0' || *str > '9')
-                       return (EINVAL);
-
-               num = num*10 + *str++ - '0';
-       }
-
-       *objnum = num;
-       return (0);
-}
-
-/*
- * The boot path passed from the boot loader is in the form of
- * "rootpool-name/root-filesystem-object-number'. Convert this
- * string to a dataset name: "rootpool-name/root-filesystem-name".
- */
-static int
-zfs_parse_bootfs(char *bpath, char *outpath)
-{
-       char *slashp;
-       uint64_t objnum;
-       int error;
-
-       if (*bpath == 0 || *bpath == '/')
-               return (EINVAL);
-
-       (void) strcpy(outpath, bpath);
-
-       slashp = strchr(bpath, '/');
-
-       /* if no '/', just return the pool name */
-       if (slashp == NULL) {
-               return (0);
-       }
-
-       /* if not a number, just return the root dataset name */
-       if (str_to_uint64(slashp+1, &objnum)) {
-               return (0);
-       }
-
-       *slashp = '\0';
-       error = dsl_dsobj_to_dsname(bpath, objnum, outpath);
-       *slashp = '/';
-
-       return (error);
-}
-
 #ifdef HAVE_MLSLABEL
 /*
  * zfs_check_global_label: