From 7097f8df6e679207c949673d2959505b59a1a30e Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Tue, 30 Apr 2013 00:44:33 -0500 Subject: [PATCH] rbd: get rid of some version parameters Several functions in rbd have parameters meant to allow the version of an object to be passed in or out. The purpose of those was to allow the version of a header object to be maintained, but we no longer do that. As a result, these parameters are never actually needed or used, so get rid of them. Signed-off-by: Alex Elder Reviewed-by: Josh Durgin --- drivers/block/rbd.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 8875bebbacf..77265710dd1 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2838,8 +2838,7 @@ static void rbd_free_disk(struct rbd_device *rbd_dev) static int rbd_obj_read_sync(struct rbd_device *rbd_dev, const char *object_name, - u64 offset, u64 length, - void *buf, u64 *version) + u64 offset, u64 length, void *buf) { struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc; @@ -2890,10 +2889,8 @@ static int rbd_obj_read_sync(struct rbd_device *rbd_dev, rbd_assert(obj_request->xferred <= (u64) SIZE_MAX); size = (size_t) obj_request->xferred; ceph_copy_from_page_vector(pages, buf, 0, size); - rbd_assert(size <= (size_t) INT_MAX); - ret = (int) size; - if (version) - *version = obj_request->version; + rbd_assert(size <= (size_t)INT_MAX); + ret = (int)size; out: if (obj_request) rbd_obj_request_put(obj_request); @@ -2914,7 +2911,7 @@ out: * Returns a pointer-coded errno if a failure occurs. */ static struct rbd_image_header_ondisk * -rbd_dev_v1_header_read(struct rbd_device *rbd_dev, u64 *version) +rbd_dev_v1_header_read(struct rbd_device *rbd_dev) { struct rbd_image_header_ondisk *ondisk = NULL; u32 snap_count = 0; @@ -2942,7 +2939,7 @@ rbd_dev_v1_header_read(struct rbd_device *rbd_dev, u64 *version) return ERR_PTR(-ENOMEM); ret = rbd_obj_read_sync(rbd_dev, rbd_dev->header_name, - 0, size, ondisk, version); + 0, size, ondisk); if (ret < 0) goto out_err; if ((size_t)ret < size) { @@ -2977,10 +2974,9 @@ static int rbd_read_header(struct rbd_device *rbd_dev, struct rbd_image_header *header) { struct rbd_image_header_ondisk *ondisk; - u64 ver = 0; int ret; - ondisk = rbd_dev_v1_header_read(rbd_dev, &ver); + ondisk = rbd_dev_v1_header_read(rbd_dev); if (IS_ERR(ondisk)) return PTR_ERR(ondisk); ret = rbd_header_from_disk(header, ondisk); -- 2.43.2