diff options
| -rw-r--r-- | drivers/block/rbd.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 144694e..1ecdeb1 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -623,23 +623,18 @@ out_err: static int snap_by_name(struct rbd_device *rbd_dev, const char *snap_name) { - int i; - struct rbd_image_header *header = &rbd_dev->header; - char *p = header->snap_names; - - rbd_assert(header->snapc != NULL); - for (i = 0; i < header->snapc->num_snaps; i++) { - if (!strcmp(snap_name, p)) { - /* Found it. Pass back its id and/or size */ + struct rbd_snap *snap; - rbd_dev->mapping.snap_id = header->snapc->snaps[i]; - rbd_dev->mapping.size = header->snap_sizes[i]; + list_for_each_entry(snap, &rbd_dev->snaps, node) { + if (!strcmp(snap_name, snap->name)) { + rbd_dev->mapping.snap_id = snap->id; + rbd_dev->mapping.size = snap->size; - return i; + return 0; } - p += strlen(p) + 1; /* Skip ahead to the next name */ } + return -ENOENT; } @@ -653,6 +648,7 @@ static int rbd_header_set_snap(struct rbd_device *rbd_dev, char *snap_name) rbd_dev->mapping.size = rbd_dev->header.image_size; rbd_dev->mapping.snap_exists = false; rbd_dev->mapping.read_only = rbd_dev->rbd_opts.read_only; + ret = 0; } else { ret = snap_by_name(rbd_dev, snap_name); if (ret < 0) @@ -661,8 +657,6 @@ static int rbd_header_set_snap(struct rbd_device *rbd_dev, char *snap_name) rbd_dev->mapping.read_only = true; } rbd_dev->mapping.snap_name = snap_name; - - ret = 0; done: return ret; } |