libceph: add osd_req_op_extent_osd_data_bvecs()

... and store num_bvecs for client code's convenience.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
This commit is contained in:
Ilya Dryomov 2018-05-04 16:57:30 +02:00
parent 3a15b38fd2
commit 0010f7052d
3 changed files with 36 additions and 7 deletions

View file

@ -77,7 +77,10 @@ struct ceph_osd_data {
u32 bio_length;
};
#endif /* CONFIG_BLOCK */
struct ceph_bvec_iter bvec_pos;
struct {
struct ceph_bvec_iter bvec_pos;
u32 num_bvecs;
};
};
};
@ -412,6 +415,10 @@ void osd_req_op_extent_osd_data_bio(struct ceph_osd_request *osd_req,
struct ceph_bio_iter *bio_pos,
u32 bio_length);
#endif /* CONFIG_BLOCK */
void osd_req_op_extent_osd_data_bvecs(struct ceph_osd_request *osd_req,
unsigned int which,
struct bio_vec *bvecs, u32 num_bvecs,
u32 bytes);
void osd_req_op_extent_osd_data_bvec_pos(struct ceph_osd_request *osd_req,
unsigned int which,
struct ceph_bvec_iter *bvec_pos);
@ -426,7 +433,8 @@ extern void osd_req_op_cls_request_data_pages(struct ceph_osd_request *,
bool own_pages);
void osd_req_op_cls_request_data_bvecs(struct ceph_osd_request *osd_req,
unsigned int which,
struct bio_vec *bvecs, u32 bytes);
struct bio_vec *bvecs, u32 num_bvecs,
u32 bytes);
extern void osd_req_op_cls_response_data_pages(struct ceph_osd_request *,
unsigned int which,
struct page **pages, u64 length,