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libceph: have osd requests support pagelist data 

Add support for recording a ceph pagelist as data associated with an
osd request.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
This commit is contained in:
Alex Elder 2013-03-08 13:35:36 -06:00 committed by Sage Weil
parent 175face2ba
commit 9a5e6d09dd
2 changed files with 6 additions and 1 deletions
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4
include/linux/ceph/osd_client.h
View File

@ -53,6 +53,7 @@ struct ceph_osd {
enum ceph_osd_data_type {
CEPH_OSD_DATA_TYPE_NONE,
CEPH_OSD_DATA_TYPE_PAGES,
CEPH_OSD_DATA_TYPE_PAGELIST,
#ifdef CONFIG_BLOCK
CEPH_OSD_DATA_TYPE_BIO,
#endif /* CONFIG_BLOCK */
@ -68,8 +69,9 @@ struct ceph_osd_data {
bool pages_from_pool;
bool own_pages;
};
struct ceph_pagelist *pagelist;
#ifdef CONFIG_BLOCK
struct bio *bio;
struct bio *bio;
#endif /* CONFIG_BLOCK */
};
};

3
net/ceph/osd_client.c
View File

@ -1757,6 +1757,9 @@ static void ceph_osdc_msg_data_set(struct ceph_msg *msg,
if (osd_data->length)
ceph_msg_data_set_pages(msg, osd_data->pages,
osd_data->length, osd_data->alignment);
} else if (osd_data->type == CEPH_OSD_DATA_TYPE_PAGELIST) {
BUG_ON(!osd_data->pagelist->length);
ceph_msg_data_set_pagelist(msg, osd_data->pagelist);
#ifdef CONFIG_BLOCK
} else if (osd_data->type == CEPH_OSD_DATA_TYPE_BIO) {
ceph_msg_data_set_bio(msg, osd_data->bio);