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libceph: separate osd request data info

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Pull the fields in an osd request structure that define the data for
the request out into a separate structure.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
This commit is contained in:
Alex Elder 2013-02-14 12:16:43 -06:00 • committed by Sage Weil
parent 153e5167e0
commit 2794a82a11
5 changed files with 74 additions and 65 deletions
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24
include/linux/ceph/osd_client.h
View file

@ -50,6 +50,21 @@ struct ceph_osd {
#define CEPH_OSD_MAX_OP 10
struct ceph_osd_data {
struct {
struct {
struct page **pages;
u32 num_pages;
u32 alignment;
bool pages_from_pool;
bool own_pages;
};
#ifdef CONFIG_BLOCK
struct bio *bio;
#endif /* CONFIG_BLOCK */
};
};
/* an in-flight request */
struct ceph_osd_request {
u64 r_tid; /* unique for this client */
@ -105,15 +120,8 @@ struct ceph_osd_request {
struct ceph_file_layout r_file_layout;
struct ceph_snap_context *r_snapc; /* snap context for writes */
unsigned r_num_pages; /* size of page array (follows) */
unsigned r_page_alignment; /* io offset in first page */
struct page **r_pages; /* pages for data payload */
int r_pages_from_pool;
int r_own_pages; /* if true, i own page list */
#ifdef CONFIG_BLOCK
struct bio *r_bio; /* instead of pages */
#endif
struct ceph_osd_data r_data;
struct ceph_pagelist r_trail; /* trailing part of the data */
};