From 9a5e6d09ddd0cd68ce64c3aa54095e4a0e85b089 Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 8 Mar 2013 13:35:36 -0600 Subject: [PATCH] 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 Reviewed-by: Josh Durgin --- include/linux/ceph/osd_client.h | 4 +++- net/ceph/osd_client.c | 3 +++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index bcf3f72ec3f8..cf0ba93426da 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -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 */ }; }; diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index ce34faaa453f..4159df2d67af 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -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); -- 2.20.1