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

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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
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2
include/linux/ceph/osd_client.h
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@@ -497,7 +497,7 @@ 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);
extern int ceph_osdc_readpages(struct ceph_osd_client *osdc,
struct ceph_vino vino,