提交 0010f705 编写于 作者: I Ilya Dryomov

libceph: add osd_req_op_extent_osd_data_bvecs()

... and store num_bvecs for client code's convenience.
Signed-off-by: NIlya Dryomov <idryomov@gmail.com>
Reviewed-by: NJeff Layton <jlayton@redhat.com>
Reviewed-by: N"Yan, Zheng" <zyan@redhat.com>
上级 3a15b38f
......@@ -2366,7 +2366,9 @@ static int rbd_obj_issue_copyup(struct rbd_obj_request *obj_req, u32 bytes)
osd_req_op_cls_init(obj_req->osd_req, 0, CEPH_OSD_OP_CALL, "rbd",
"copyup");
osd_req_op_cls_request_data_bvecs(obj_req->osd_req, 0,
obj_req->copyup_bvecs, bytes);
obj_req->copyup_bvecs,
obj_req->copyup_bvec_count,
bytes);
switch (obj_req->img_request->op_type) {
case OBJ_OP_WRITE:
......
......@@ -77,7 +77,10 @@ struct ceph_osd_data {
u32 bio_length;
};
#endif /* CONFIG_BLOCK */
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,
......
......@@ -157,10 +157,12 @@ static void ceph_osd_data_bio_init(struct ceph_osd_data *osd_data,
#endif /* CONFIG_BLOCK */
static void ceph_osd_data_bvecs_init(struct ceph_osd_data *osd_data,
struct ceph_bvec_iter *bvec_pos)
struct ceph_bvec_iter *bvec_pos,
u32 num_bvecs)
{
osd_data->type = CEPH_OSD_DATA_TYPE_BVECS;
osd_data->bvec_pos = *bvec_pos;
osd_data->num_bvecs = num_bvecs;
}
#define osd_req_op_data(oreq, whch, typ, fld) \
......@@ -237,6 +239,22 @@ void osd_req_op_extent_osd_data_bio(struct ceph_osd_request *osd_req,
EXPORT_SYMBOL(osd_req_op_extent_osd_data_bio);
#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)
{
struct ceph_osd_data *osd_data;
struct ceph_bvec_iter it = {
.bvecs = bvecs,
.iter = { .bi_size = bytes },
};
osd_data = osd_req_op_data(osd_req, which, extent, osd_data);
ceph_osd_data_bvecs_init(osd_data, &it, num_bvecs);
}
EXPORT_SYMBOL(osd_req_op_extent_osd_data_bvecs);
void osd_req_op_extent_osd_data_bvec_pos(struct ceph_osd_request *osd_req,
unsigned int which,
struct ceph_bvec_iter *bvec_pos)
......@@ -244,7 +262,7 @@ void osd_req_op_extent_osd_data_bvec_pos(struct ceph_osd_request *osd_req,
struct ceph_osd_data *osd_data;
osd_data = osd_req_op_data(osd_req, which, extent, osd_data);
ceph_osd_data_bvecs_init(osd_data, bvec_pos);
ceph_osd_data_bvecs_init(osd_data, bvec_pos, 0);
}
EXPORT_SYMBOL(osd_req_op_extent_osd_data_bvec_pos);
......@@ -287,7 +305,8 @@ EXPORT_SYMBOL(osd_req_op_cls_request_data_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)
{
struct ceph_osd_data *osd_data;
struct ceph_bvec_iter it = {
......@@ -296,7 +315,7 @@ void osd_req_op_cls_request_data_bvecs(struct ceph_osd_request *osd_req,
};
osd_data = osd_req_op_data(osd_req, which, cls, request_data);
ceph_osd_data_bvecs_init(osd_data, &it);
ceph_osd_data_bvecs_init(osd_data, &it, num_bvecs);
osd_req->r_ops[which].cls.indata_len += bytes;
osd_req->r_ops[which].indata_len += bytes;
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册