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libceph: support pages for class request data

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Add the ability to provide an array of pages as outbound request
data for object class method calls.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
This commit is contained in:
Alex Elder 2013-04-19 15:34:49 -05:00 committed by Sage Weil
parent a51b272e9e
commit 6c57b5545d
2 changed files with 17 additions and 0 deletions
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5
include/linux/ceph/osd_client.h
View File

@ -273,6 +273,11 @@ extern void osd_req_op_extent_osd_data_bio(struct ceph_osd_request *,
extern void osd_req_op_cls_request_data_pagelist(struct ceph_osd_request *, extern void osd_req_op_cls_request_data_pagelist(struct ceph_osd_request *,
unsigned int which, unsigned int which,
struct ceph_pagelist *pagelist); struct ceph_pagelist *pagelist);
extern void osd_req_op_cls_request_data_pages(struct ceph_osd_request *,
unsigned int which,
struct page **pages, u64 length,
u32 alignment, bool pages_from_pool,
bool own_pages);
extern void osd_req_op_cls_response_data_pages(struct ceph_osd_request *, extern void osd_req_op_cls_response_data_pages(struct ceph_osd_request *,
unsigned int which, unsigned int which,
struct page **pages, u64 length, struct page **pages, u64 length,

12
net/ceph/osd_client.c
View File

@ -214,6 +214,18 @@ void osd_req_op_cls_request_data_pagelist(
} }
EXPORT_SYMBOL(osd_req_op_cls_request_data_pagelist); EXPORT_SYMBOL(osd_req_op_cls_request_data_pagelist);
void osd_req_op_cls_request_data_pages(struct ceph_osd_request *osd_req,
unsigned int which, struct page **pages, u64 length,
u32 alignment, bool pages_from_pool, bool own_pages)
{
struct ceph_osd_data *osd_data;
osd_data = osd_req_op_data(osd_req, which, cls, request_data);
ceph_osd_data_pages_init(osd_data, pages, length, alignment,
pages_from_pool, own_pages);
}
EXPORT_SYMBOL(osd_req_op_cls_request_data_pages);
void osd_req_op_cls_response_data_pages(struct ceph_osd_request *osd_req, void osd_req_op_cls_response_data_pages(struct ceph_osd_request *osd_req,
unsigned int which, struct page **pages, u64 length, unsigned int which, struct page **pages, u64 length,
u32 alignment, bool pages_from_pool, bool own_pages) u32 alignment, bool pages_from_pool, bool own_pages)