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rbd: get rid of img_req->{offset,length}

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These are set, but no longer used.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2018-02-06 19:26:35 +01:00
parent 0420c5dd2e
commit dfd9875f11
1 changed files with 8 additions and 18 deletions
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26
drivers/block/rbd.c
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@ -283,8 +283,6 @@ struct rbd_img_request {
struct rbd_device *rbd_dev;
enum obj_operation_type op_type;
enum obj_request_type data_type;
u64 offset; /* starting image byte offset */
u64 length; /* byte count from offset */
unsigned long flags;
union {
u64 snap_id; /* for reads */
@ -1602,7 +1600,6 @@ static bool rbd_dev_parent_get(struct rbd_device *rbd_dev)
*/
static struct rbd_img_request *rbd_img_request_create(
struct rbd_device *rbd_dev,
u64 offset, u64 length,
enum obj_operation_type op_type,
struct ceph_snap_context *snapc)
{
@ -1614,8 +1611,6 @@ static struct rbd_img_request *rbd_img_request_create(
img_request->rbd_dev = rbd_dev;
img_request->op_type = op_type;
img_request->offset = offset;
img_request->length = length;
if (!rbd_img_is_write(img_request))
img_request->snap_id = rbd_dev->spec->snap_id;
else
@ -1628,9 +1623,8 @@ static struct rbd_img_request *rbd_img_request_create(
INIT_LIST_HEAD(&img_request->object_extents);
kref_init(&img_request->kref);
dout("%s: rbd_dev %p %s %llu/%llu -> img %p\n", __func__, rbd_dev,
obj_op_name(op_type), offset, length, img_request);
dout("%s: rbd_dev %p %s -> img %p\n", __func__, rbd_dev,
obj_op_name(op_type), img_request);
return img_request;
}
@ -1659,9 +1653,8 @@ static void rbd_img_request_destroy(struct kref *kref)
kmem_cache_free(rbd_img_request_cache, img_request);
}
static struct rbd_img_request *rbd_parent_request_create(
struct rbd_obj_request *obj_request,
u64 img_offset, u64 length)
static struct rbd_img_request *
rbd_parent_request_create(struct rbd_obj_request *obj_request)
{
struct rbd_img_request *parent_request;
struct rbd_device *rbd_dev;
@ -1669,8 +1662,8 @@ static struct rbd_img_request *rbd_parent_request_create(
rbd_assert(obj_request->img_request);
rbd_dev = obj_request->img_request->rbd_dev;
parent_request = rbd_img_request_create(rbd_dev->parent, img_offset,
length, OBJ_OP_READ, NULL);
parent_request = rbd_img_request_create(rbd_dev->parent, OBJ_OP_READ,
NULL);
if (!parent_request)
return NULL;
@ -2127,9 +2120,7 @@ static int rbd_obj_read_from_parent(struct rbd_obj_request *obj_req)
struct rbd_img_request *child_img_req;
int ret;
child_img_req = rbd_parent_request_create(obj_req,
obj_req->img_extents[0].fe_off,
obj_req->img_extents[0].fe_len);
child_img_req = rbd_parent_request_create(obj_req);
if (!child_img_req)
return -ENOMEM;
@ -3562,8 +3553,7 @@ static void rbd_queue_workfn(struct work_struct *work)
}
}
img_request = rbd_img_request_create(rbd_dev, offset, length, op_type,
snapc);
img_request = rbd_img_request_create(rbd_dev, op_type, snapc);
if (!img_request) {
result = -ENOMEM;
goto err_unlock;