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libceph: define osd data initialization helpers

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Define and use functions that encapsulate the initializion of a
ceph_osd_data structure.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
This commit is contained in:
Alex Elder 2013-04-03 01:28:57 -05:00 • committed by Sage Weil
parent 9fc6e06471
commit 43bfe5de9f
5 changed files with 63 additions and 40 deletions
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11
include/linux/ceph/osd_client.h
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@ -280,6 +280,17 @@ static inline void ceph_osdc_put_request(struct ceph_osd_request *req)
kref_put(&req->r_kref, ceph_osdc_release_request);
}
extern void ceph_osd_data_pages_init(struct ceph_osd_data *osd_data,
struct page **pages, u64 length,
u32 alignment, bool pages_from_pool,
bool own_pages);
extern void ceph_osd_data_pagelist_init(struct ceph_osd_data *osd_data,
struct ceph_pagelist *pagelist);
#ifdef CONFIG_BLOCK
extern void ceph_osd_data_bio_init(struct ceph_osd_data *osd_data,
struct bio *bio, size_t bio_length);
#endif /* CONFIG_BLOCK */
extern int ceph_osdc_start_request(struct ceph_osd_client *osdc,
struct ceph_osd_request *req,
bool nofail);