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Commit cc4a38bd authored by Alex Elder's avatar Alex Elder Committed by Sage Weil
Browse files

rbd: more version parameter removal 



Continued from the last patch, more parameters that can go away
because we no longer have a need to track object versions.

Signed-off-by: default avatarAlex Elder <elder@inktank.com>
Reviewed-by: default avatarJosh Durgin <josh.durgin@inktank.com>
parent 7097f8df

drivers/block/rbd.c

+18 −21
Original line number Diff line number Diff line
@@ -429,8 +429,8 @@ static int rbd_img_obj_request_submit(struct rbd_obj_request *obj_request); 
static void rbd_img_parent_read(struct rbd_obj_request *obj_request);

static void rbd_dev_remove_parent(struct rbd_device *rbd_dev);



static int rbd_dev_refresh(struct rbd_device *rbd_dev, u64 *hver);

static int rbd_dev_v2_refresh(struct rbd_device *rbd_dev, u64 *hver);

static int rbd_dev_refresh(struct rbd_device *rbd_dev);

static int rbd_dev_v2_refresh(struct rbd_device *rbd_dev);



static int rbd_open(struct block_device *bdev, fmode_t mode)

{
@@ -2468,8 +2468,7 @@ out_err: 
	obj_request_done_set(obj_request);

}



static int rbd_obj_notify_ack(struct rbd_device *rbd_dev,

				   u64 ver, u64 notify_id)

static int rbd_obj_notify_ack(struct rbd_device *rbd_dev, u64 notify_id)

{

	struct rbd_obj_request *obj_request;

	struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc;
@@ -2487,7 +2486,7 @@ static int rbd_obj_notify_ack(struct rbd_device *rbd_dev, 
	obj_request->callback = rbd_obj_request_put;



	osd_req_op_watch_init(obj_request->osd_req, 0, CEPH_OSD_OP_NOTIFY_ACK,

					notify_id, ver, 0);

					notify_id, 0, 0);

	rbd_osd_req_format_read(obj_request);



	ret = rbd_obj_request_submit(osdc, obj_request);
@@ -2501,7 +2500,6 @@ out: 
static void rbd_watch_cb(u64 ver, u64 notify_id, u8 opcode, void *data)

{

	struct rbd_device *rbd_dev = (struct rbd_device *)data;

	u64 hver;



	if (!rbd_dev)

		return;
@@ -2509,9 +2507,9 @@ static void rbd_watch_cb(u64 ver, u64 notify_id, u8 opcode, void *data) 
	dout("%s: \"%s\" notify_id %llu opcode %u\n", __func__,

		rbd_dev->header_name, (unsigned long long)notify_id,

		(unsigned int)opcode);

	(void)rbd_dev_refresh(rbd_dev, &hver);

	(void)rbd_dev_refresh(rbd_dev);



	rbd_obj_notify_ack(rbd_dev, hver, notify_id);

	rbd_obj_notify_ack(rbd_dev, notify_id);

}



/*
@@ -3014,7 +3012,7 @@ static void rbd_update_mapping_size(struct rbd_device *rbd_dev) 
/*

 * only read the first part of the ondisk header, without the snaps info

 */

static int rbd_dev_v1_refresh(struct rbd_device *rbd_dev, u64 *hver)

static int rbd_dev_v1_refresh(struct rbd_device *rbd_dev)

{

	int ret;

	struct rbd_image_header h;
@@ -3051,7 +3049,7 @@ static int rbd_dev_v1_refresh(struct rbd_device *rbd_dev, u64 *hver) 
	return ret;

}



static int rbd_dev_refresh(struct rbd_device *rbd_dev, u64 *hver)

static int rbd_dev_refresh(struct rbd_device *rbd_dev)

{

	u64 image_size;

	int ret;
@@ -3060,9 +3058,9 @@ static int rbd_dev_refresh(struct rbd_device *rbd_dev, u64 *hver) 
	image_size = rbd_dev->header.image_size;

	mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);

	if (rbd_dev->image_format == 1)

		ret = rbd_dev_v1_refresh(rbd_dev, hver);

		ret = rbd_dev_v1_refresh(rbd_dev);

	else

		ret = rbd_dev_v2_refresh(rbd_dev, hver);

		ret = rbd_dev_v2_refresh(rbd_dev);

	mutex_unlock(&ctl_mutex);

	if (ret)

		rbd_warn(rbd_dev, "got notification but failed to "
@@ -3271,7 +3269,7 @@ static ssize_t rbd_image_refresh(struct device *dev, 
	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);

	int ret;



	ret = rbd_dev_refresh(rbd_dev, NULL);

	ret = rbd_dev_refresh(rbd_dev);



	return ret < 0 ? ret : size;

}
@@ -3824,7 +3822,7 @@ out_err: 
	return ret;

}



static int rbd_dev_v2_snap_context(struct rbd_device *rbd_dev, u64 *ver)

static int rbd_dev_v2_snap_context(struct rbd_device *rbd_dev)

{

	size_t size;

	int ret;
@@ -3850,7 +3848,7 @@ static int rbd_dev_v2_snap_context(struct rbd_device *rbd_dev, u64 *ver) 


	ret = rbd_obj_method_sync(rbd_dev, rbd_dev->header_name,

				"rbd", "get_snapcontext", NULL, 0,

				reply_buf, size, ver);

				reply_buf, size, NULL);

	dout("%s: rbd_obj_method_sync returned %d\n", __func__, ret);

	if (ret < 0)

		goto out;
@@ -3978,7 +3976,7 @@ static const char *rbd_dev_snap_info(struct rbd_device *rbd_dev, u32 which, 
	return ERR_PTR(-EINVAL);

}



static int rbd_dev_v2_refresh(struct rbd_device *rbd_dev, u64 *hver)

static int rbd_dev_v2_refresh(struct rbd_device *rbd_dev)

{

	int ret;
@@ -3989,7 +3987,7 @@ static int rbd_dev_v2_refresh(struct rbd_device *rbd_dev, u64 *hver) 
		goto out;

	rbd_update_mapping_size(rbd_dev);



	ret = rbd_dev_v2_snap_context(rbd_dev, hver);

	ret = rbd_dev_v2_snap_context(rbd_dev);

	dout("rbd_dev_v2_snap_context returned %d\n", ret);

	if (ret)

		goto out;
@@ -4591,7 +4589,6 @@ out_err: 
static int rbd_dev_v2_probe(struct rbd_device *rbd_dev)

{

	int ret;

	u64 ver = 0;



	ret = rbd_dev_v2_image_size(rbd_dev);

	if (ret)
@@ -4641,7 +4638,7 @@ static int rbd_dev_v2_probe(struct rbd_device *rbd_dev) 


	/* Get the snapshot context, plus the header version */



	ret = rbd_dev_v2_snap_context(rbd_dev, &ver);

	ret = rbd_dev_v2_snap_context(rbd_dev);

	if (ret)

		goto out_err;