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| author | Alex Elder <elder@inktank.com> | 2012-08-31 22:29:52 (GMT) |
|---|---|---|
| committer | Alex Elder <elder@inktank.com> | 2012-10-01 19:30:51 (GMT) |
| commit | 4e1105a299adf7ac421d42a8be05205f51610f3c (patch) | |
| tree | 74c0b0ba2390018d1aa66fdda2e9bc0b095bdb72 /drivers/block/rbd.c | |
| parent | 3feeb8946739d980fb0922bf68363552a493a49c (diff) | |
| download | linux-4e1105a299adf7ac421d42a8be05205f51610f3c.tar.xz | |
rbd: set mapping name with the rest
With the exception of the snapshot name, all of the mapping-specific
fields in an rbd device structure are set in rbd_header_set_snap().
Pass the snapshot name to be assigned into rbd_header_set_snap()
to keep all of the mapping assignments together.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'drivers/block/rbd.c')
| -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 1a64ba2..23fa962 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -644,21 +644,20 @@ static int snap_by_name(struct rbd_image_header *header, const char *snap_name, return -ENOENT; } -static int rbd_header_set_snap(struct rbd_device *rbd_dev) +static int rbd_header_set_snap(struct rbd_device *rbd_dev, char *snap_name) { int ret; down_write(&rbd_dev->header_rwsem); - if (!memcmp(rbd_dev->mapping.snap_name, RBD_SNAP_HEAD_NAME, + if (!memcmp(snap_name, RBD_SNAP_HEAD_NAME, sizeof (RBD_SNAP_HEAD_NAME))) { rbd_dev->mapping.snap_id = CEPH_NOSNAP; 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; } else { - ret = snap_by_name(&rbd_dev->header, - rbd_dev->mapping.snap_name, + ret = snap_by_name(&rbd_dev->header, snap_name, &rbd_dev->mapping.snap_id, &rbd_dev->mapping.size); if (ret < 0) @@ -666,6 +665,7 @@ static int rbd_header_set_snap(struct rbd_device *rbd_dev) rbd_dev->mapping.snap_exists = true; rbd_dev->mapping.read_only = true; } + rbd_dev->mapping.snap_name = snap_name; ret = 0; done: @@ -1888,7 +1888,7 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) if (rc) return rc; - rc = rbd_header_set_snap(rbd_dev); + rc = rbd_header_set_snap(rbd_dev, snap_name); if (rc) return rc; @@ -2600,7 +2600,6 @@ static ssize_t rbd_add(struct bus_type *bus, rc = PTR_ERR(snap_name); goto err_put_id; } - rbd_dev->mapping.snap_name = snap_name; rc = rbd_get_client(rbd_dev, mon_addrs, mon_addrs_size - 1, options); if (rc < 0) |