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authorAlex Elder <elder@inktank.com>2012-11-14 09:38:19 -0600
committerAlex Elder <elder@inktank.com>2013-01-17 15:52:04 -0600
commit0120be3c60d46d6d55f4bf7a3d654cc705eb0c54 (patch)
tree5cb52ab14873ee0e33a6a2bc6115373b305114bb
parentlibceph: kill op_needs_trail() (diff)
downloadlinux-dev-0120be3c60d46d6d55f4bf7a3d654cc705eb0c54.tar.xz
linux-dev-0120be3c60d46d6d55f4bf7a3d654cc705eb0c54.zip
libceph: pass length to ceph_osdc_build_request()
The len argument to ceph_osdc_build_request() is set up to be passed by address, but that function never updates its value so there's no need to do this. Tighten up the interface by passing the length directly. Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
-rw-r--r--drivers/block/rbd.c2
-rw-r--r--include/linux/ceph/osd_client.h2
-rw-r--r--net/ceph/osd_client.c6
3 files changed, 5 insertions, 5 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 54bd9fc3ef7c..c1b135b6cb97 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1172,7 +1172,7 @@ static int rbd_do_request(struct request *rq,
snapid, ofs, &len, &bno, osd_req, ops);
rbd_assert(ret == 0);
- ceph_osdc_build_request(osd_req, ofs, &len, ops, snapc, &mtime);
+ ceph_osdc_build_request(osd_req, ofs, len, ops, snapc, &mtime);
if (linger_req) {
ceph_osdc_set_request_linger(osdc, osd_req);
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 61562c792855..4bfb4582439a 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -224,7 +224,7 @@ extern struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *
struct bio *bio);
extern void ceph_osdc_build_request(struct ceph_osd_request *req,
- u64 off, u64 *plen,
+ u64 off, u64 len,
struct ceph_osd_req_op *src_ops,
struct ceph_snap_context *snapc,
struct timespec *mtime);
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 37d43d5b828c..e29a3ed92958 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -336,7 +336,7 @@ static void osd_req_encode_op(struct ceph_osd_request *req,
*
*/
void ceph_osdc_build_request(struct ceph_osd_request *req,
- u64 off, u64 *plen,
+ u64 off, u64 len,
struct ceph_osd_req_op *src_ops,
struct ceph_snap_context *snapc,
struct timespec *mtime)
@@ -390,7 +390,7 @@ void ceph_osdc_build_request(struct ceph_osd_request *req,
if (flags & CEPH_OSD_FLAG_WRITE) {
req->r_request->hdr.data_off = cpu_to_le16(off);
- req->r_request->hdr.data_len = cpu_to_le32(*plen + data_len);
+ req->r_request->hdr.data_len = cpu_to_le32(len + data_len);
} else if (data_len) {
req->r_request->hdr.data_off = 0;
req->r_request->hdr.data_len = cpu_to_le32(data_len);
@@ -464,7 +464,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
req->r_num_pages = calc_pages_for(page_align, *plen);
req->r_page_alignment = page_align;
- ceph_osdc_build_request(req, off, plen, ops,
+ ceph_osdc_build_request(req, off, *plen, ops,
snapc,
mtime);