diff options
Diffstat (limited to 'drivers/block/rbd.c')
| -rw-r--r-- | drivers/block/rbd.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index bb3d9be3b1b4..b64125d1d7bd 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1716,6 +1716,19 @@ static void __rbd_remove_all_snaps(struct rbd_device *rbd_dev) __rbd_remove_snap_dev(snap); } +static void rbd_update_mapping_size(struct rbd_device *rbd_dev) +{ + sector_t size; + + if (rbd_dev->mapping.snap_id != CEPH_NOSNAP) + return; + + size = (sector_t) rbd_dev->header.image_size / SECTOR_SIZE; + dout("setting size to %llu sectors", (unsigned long long) size); + rbd_dev->mapping.size = (u64) size; + set_capacity(rbd_dev->disk, size); +} + /* * only read the first part of the ondisk header, without the snaps info */ @@ -1730,17 +1743,9 @@ static int __rbd_refresh_header(struct rbd_device *rbd_dev, u64 *hver) down_write(&rbd_dev->header_rwsem); - /* resized? */ - if (rbd_dev->mapping.snap_id == CEPH_NOSNAP) { - sector_t size = (sector_t) h.image_size / SECTOR_SIZE; - - if (size != (sector_t) rbd_dev->mapping.size) { - dout("setting size to %llu sectors", - (unsigned long long) size); - rbd_dev->mapping.size = (u64) size; - set_capacity(rbd_dev->disk, size); - } - } + /* Update image size, and check for resize of mapped image */ + rbd_dev->header.image_size = h.image_size; + rbd_update_mapping_size(rbd_dev); /* rbd_dev->header.object_prefix shouldn't change */ kfree(rbd_dev->header.snap_sizes); |
