diff options
Diffstat (limited to 'sys/boot/zfs/zfs.c')
| -rw-r--r-- | sys/boot/zfs/zfs.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sys/boot/zfs/zfs.c b/sys/boot/zfs/zfs.c index c339b2d..ef79cb4 100644 --- a/sys/boot/zfs/zfs.c +++ b/sys/boot/zfs/zfs.c @@ -709,6 +709,30 @@ zfs_list(const char *name) return (zfs_list_dataset(spa, objid)); } +void +init_zfs_bootenv(char *currdev) +{ + char *beroot; + + if (strlen(currdev) == 0) + return; + if(strncmp(currdev, "zfs:", 4) != 0) + return; + /* Remove the trailing : */ + currdev[strlen(currdev) - 1] = '\0'; + setenv("zfs_be_active", currdev, 1); + setenv("zfs_be_currpage", "1", 1); + /* Forward past zfs: */ + currdev = strchr(currdev, ':'); + currdev++; + /* Remove the last element (current bootenv) */ + beroot = strrchr(currdev, '/'); + if (beroot != NULL) + beroot[0] = '\0'; + beroot = currdev; + setenv("zfs_be_root", beroot, 1); +} + int zfs_bootenv(const char *name) { @@ -779,8 +803,15 @@ int zfs_belist_add(const char *name) { + /* Skip special datasets that start with a $ character */ + if (strncmp(name, "$", 1) == 0) { + return (0); + } /* Add the boot environment to the head of the SLIST */ zfs_be = malloc(sizeof(struct zfs_be_entry)); + if (zfs_be == NULL) { + return (ENOMEM); + } zfs_be->name = name; SLIST_INSERT_HEAD(&zfs_be_head, zfs_be, entries); zfs_env_count++; |
