xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

libceph: change ceph_osdc_call() to take page vector for response

Browse Source 
This will be used for loading object map.  rbd_obj_read_sync() isn't
suitable because object map must be accessed through class methods.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
This commit is contained in:
Ilya Dryomov
2019-06-14 18:16:51 +02:00
parent ef83171b49
commit 68ada915ee
4 changed files with 11 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
net/ceph/osd_client.c
View File

@@ -5050,12 +5050,12 @@ int ceph_osdc_call(struct ceph_osd_client *osdc,
const char *class, const char *method,
unsigned int flags,
struct page *req_page, size_t req_len,
struct page *resp_page, size_t *resp_len)
struct page **resp_pages, size_t *resp_len)
{
struct ceph_osd_request *req;
int ret;
if (req_len > PAGE_SIZE || (resp_page && *resp_len > PAGE_SIZE))
if (req_len > PAGE_SIZE)
return -E2BIG;
req = ceph_osdc_alloc_request(osdc, NULL, 1, false, GFP_NOIO);
@@ -5073,8 +5073,8 @@ int ceph_osdc_call(struct ceph_osd_client *osdc,
if (req_page)
osd_req_op_cls_request_data_pages(req, 0, &req_page, req_len,
0, false, false);
if (resp_page)
osd_req_op_cls_response_data_pages(req, 0, &resp_page,
if (resp_pages)
osd_req_op_cls_response_data_pages(req, 0, resp_pages,
*resp_len, 0, false, false);
ret = ceph_osdc_alloc_messages(req, GFP_NOIO);
@@ -5085,7 +5085,7 @@ int ceph_osdc_call(struct ceph_osd_client *osdc,
ret = ceph_osdc_wait_request(osdc, req);
if (ret >= 0) {
ret = req->r_ops[0].rval;
if (resp_page)
if (resp_pages)
*resp_len = req->r_ops[0].outdata_len;
}