diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/rbd.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 7d28ce3..589f565 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -168,7 +168,6 @@ struct rbd_snap { struct rbd_mapping { u64 size; u64 features; - bool snap_exists; bool read_only; }; @@ -189,6 +188,7 @@ struct rbd_device { spinlock_t lock; /* queue lock */ struct rbd_image_header header; + bool exists; char *image_id; size_t image_id_len; char *image_name; @@ -690,16 +690,15 @@ static int rbd_dev_set_mapping(struct rbd_device *rbd_dev, char *snap_name) rbd_dev->snap_id = CEPH_NOSNAP; rbd_dev->mapping.size = rbd_dev->header.image_size; rbd_dev->mapping.features = rbd_dev->header.features; - rbd_dev->mapping.snap_exists = false; ret = 0; } else { ret = snap_by_name(rbd_dev, snap_name); if (ret < 0) goto done; - rbd_dev->mapping.snap_exists = true; rbd_dev->mapping.read_only = true; } rbd_dev->snap_name = snap_name; + rbd_dev->exists = true; done: return ret; } @@ -1562,8 +1561,8 @@ static void rbd_rq_fn(struct request_queue *q) down_read(&rbd_dev->header_rwsem); - if (rbd_dev->snap_id != CEPH_NOSNAP && - !rbd_dev->mapping.snap_exists) { + if (!rbd_dev->exists) { + rbd_assert(rbd_dev->snap_id != CEPH_NOSNAP); up_read(&rbd_dev->header_rwsem); dout("request for non-existent snapshot"); spin_lock_irq(q->queue_lock); @@ -2569,7 +2568,7 @@ static int rbd_dev_snaps_update(struct rbd_device *rbd_dev) /* Existing snapshot not in the new snap context */ if (rbd_dev->snap_id == snap->id) - rbd_dev->mapping.snap_exists = false; + rbd_dev->exists = false; rbd_remove_snap_dev(snap); dout("%ssnap id %llu has been removed\n", rbd_dev->snap_id == snap->id ? "mapped " : "", |
