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| author | Alex Elder | 2012-11-01 14:39:26 +0100 |
|---|---|---|
| committer | Alex Elder | 2013-01-17 21:08:54 +0100 |
| commit | 979ed480a2722ad8d9f87054635158f652a1241e (patch) | |
| tree | ed46273e517a80678dc88ba3d9cb4268f30f6de5 /drivers/block/rbd.c | |
| parent | rbd: kill rbd_spec->image_name_len (diff) | |
| download | kernel-qcow2-linux-979ed480a2722ad8d9f87054635158f652a1241e.tar.gz kernel-qcow2-linux-979ed480a2722ad8d9f87054635158f652a1241e.tar.xz kernel-qcow2-linux-979ed480a2722ad8d9f87054635158f652a1241e.zip | |
rbd: kill rbd_spec->image_id_len
There is no real benefit to keeping the length of an image id, so
get rid of it.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: David Zafman <david.zafman@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, 3 insertions, 8 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index a002984891d7..e01dbb12ad03 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -145,7 +145,6 @@ struct rbd_spec { char *pool_name; char *image_id; - size_t image_id_len; char *image_name; u64 snap_id; @@ -2492,7 +2491,6 @@ static int rbd_dev_v2_parent_info(struct rbd_device *rbd_dev) void *end; char *image_id; u64 overlap; - size_t len = 0; int ret; parent_spec = rbd_spec_alloc(); @@ -2526,13 +2524,12 @@ static int rbd_dev_v2_parent_info(struct rbd_device *rbd_dev) if (parent_spec->pool_id == CEPH_NOPOOL) goto out; /* No parent? No problem. */ - image_id = ceph_extract_encoded_string(&p, end, &len, GFP_KERNEL); + image_id = ceph_extract_encoded_string(&p, end, NULL, GFP_KERNEL); if (IS_ERR(image_id)) { ret = PTR_ERR(image_id); goto out_err; } parent_spec->image_id = image_id; - parent_spec->image_id_len = len; ceph_decode_64_safe(&p, end, parent_spec->snap_id, out_err); ceph_decode_64_safe(&p, end, overlap, out_err); @@ -3368,8 +3365,7 @@ static int rbd_dev_image_id(struct rbd_device *rbd_dev) p = response; rbd_dev->spec->image_id = ceph_extract_encoded_string(&p, p + RBD_IMAGE_ID_LEN_MAX, - &rbd_dev->spec->image_id_len, - GFP_NOIO); + NULL, GFP_NOIO); if (IS_ERR(rbd_dev->spec->image_id)) { ret = PTR_ERR(rbd_dev->spec->image_id); rbd_dev->spec->image_id = NULL; @@ -3393,7 +3389,6 @@ static int rbd_dev_v1_probe(struct rbd_device *rbd_dev) rbd_dev->spec->image_id = kstrdup("", GFP_KERNEL); if (!rbd_dev->spec->image_id) return -ENOMEM; - rbd_dev->spec->image_id_len = 0; /* Record the header object name for this rbd image. */ @@ -3443,7 +3438,7 @@ static int rbd_dev_v2_probe(struct rbd_device *rbd_dev) * Image id was filled in by the caller. Record the header * object name for this rbd image. */ - size = sizeof (RBD_HEADER_PREFIX) + rbd_dev->spec->image_id_len; + size = sizeof (RBD_HEADER_PREFIX) + strlen(rbd_dev->spec->image_id); rbd_dev->header_name = kmalloc(size, GFP_KERNEL); if (!rbd_dev->header_name) return -ENOMEM; |