libceph: support pages for class request data
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>
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@ -273,6 +273,11 @@ extern void osd_req_op_extent_osd_data_bio(struct ceph_osd_request *,
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extern void osd_req_op_cls_request_data_pagelist(struct ceph_osd_request *,
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unsigned int which,
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struct ceph_pagelist *pagelist);
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extern void osd_req_op_cls_request_data_pages(struct ceph_osd_request *,
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unsigned int which,
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struct page **pages, u64 length,
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u32 alignment, bool pages_from_pool,
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bool own_pages);
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extern void osd_req_op_cls_response_data_pages(struct ceph_osd_request *,
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unsigned int which,
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struct page **pages, u64 length,
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@ -214,6 +214,18 @@ void osd_req_op_cls_request_data_pagelist(
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}
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EXPORT_SYMBOL(osd_req_op_cls_request_data_pagelist);
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void osd_req_op_cls_request_data_pages(struct ceph_osd_request *osd_req,
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unsigned int which, struct page **pages, u64 length,
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u32 alignment, bool pages_from_pool, bool own_pages)
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{
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struct ceph_osd_data *osd_data;
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osd_data = osd_req_op_data(osd_req, which, cls, request_data);
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ceph_osd_data_pages_init(osd_data, pages, length, alignment,
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pages_from_pool, own_pages);
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}
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EXPORT_SYMBOL(osd_req_op_cls_request_data_pages);
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void osd_req_op_cls_response_data_pages(struct ceph_osd_request *osd_req,
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unsigned int which, struct page **pages, u64 length,
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u32 alignment, bool pages_from_pool, bool own_pages)
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