diff options
| -rw-r--r-- | fs/ceph/mds_client.c | 4 | ||||
| -rw-r--r-- | include/linux/ceph/messenger.h | 22 | ||||
| -rw-r--r-- | net/ceph/messenger.c | 11 | ||||
| -rw-r--r-- | net/ceph/osd_client.c | 10 |
4 files changed, 30 insertions, 17 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index ecfb738bca30..90198a407023 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1721,8 +1721,8 @@ static struct ceph_msg *create_request_message(struct ceph_mds_client *mdsc, msg->front.iov_len = p - msg->front.iov_base; msg->hdr.front_len = cpu_to_le32(msg->front.iov_len); - msg->pages = req->r_pages; - msg->page_count = req->r_num_pages; + ceph_msg_data_set_pages(msg, req->r_pages, req->r_num_pages, 0); + msg->hdr.data_len = cpu_to_le32(req->r_data_len); msg->hdr.data_off = cpu_to_le16(0); diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index 6c118748a7f8..aa463b9b30af 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -74,21 +74,22 @@ struct ceph_msg { struct ceph_msg_footer footer; /* footer */ struct kvec front; /* unaligned blobs of message */ struct ceph_buffer *middle; - struct page **pages; /* data payload. NOT OWNER. */ - unsigned page_count; /* size of page array */ - unsigned page_alignment; /* io offset in first page */ - struct ceph_pagelist *pagelist; /* instead of pages */ - - struct ceph_connection *con; - struct list_head list_head; - struct kref kref; + struct page **pages; /* data payload. NOT OWNER. */ + unsigned int page_alignment; /* io offset in first page */ + unsigned int page_count; /* # pages in array or list */ + struct ceph_pagelist *pagelist; /* instead of pages */ #ifdef CONFIG_BLOCK + unsigned int bio_seg; /* current bio segment */ struct bio *bio; /* instead of pages/pagelist */ struct bio *bio_iter; /* bio iterator */ - unsigned int bio_seg; /* current bio segment */ #endif /* CONFIG_BLOCK */ struct ceph_pagelist *trail; /* the trailing part of the data */ + + struct ceph_connection *con; + struct list_head list_head; /* links for connection lists */ + + struct kref kref; bool front_is_vmalloc; bool more_to_follow; bool needs_out_seq; @@ -218,6 +219,9 @@ extern void ceph_msg_revoke_incoming(struct ceph_msg *msg); extern void ceph_con_keepalive(struct ceph_connection *con); +extern void ceph_msg_data_set_pages(struct ceph_msg *msg, struct page **pages, + unsigned int page_count, size_t alignment); + extern struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags, bool can_fail); extern void ceph_msg_kfree(struct ceph_msg *m); diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index ce1669f75ca5..cec39cb623f0 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -2689,6 +2689,17 @@ void ceph_con_keepalive(struct ceph_connection *con) } EXPORT_SYMBOL(ceph_con_keepalive); +void ceph_msg_data_set_pages(struct ceph_msg *msg, struct page **pages, + unsigned int page_count, size_t alignment) +{ + /* BUG_ON(msg->pages); */ + /* BUG_ON(msg->page_count); */ + + msg->pages = pages; + msg->page_count = page_count; + msg->page_alignment = alignment & ~PAGE_MASK; +} +EXPORT_SYMBOL(ceph_msg_data_set_pages); /* * construct a new message with given type, size diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 202af14dc6dc..a09d57134075 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -1760,11 +1760,10 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc, if (osd_data->type == CEPH_OSD_DATA_TYPE_PAGES) { unsigned int page_count; - req->r_request->pages = osd_data->pages; page_count = calc_pages_for((u64)osd_data->alignment, (u64)osd_data->length); - req->r_request->page_count = page_count; - req->r_request->page_alignment = osd_data->alignment; + ceph_msg_data_set_pages(req->r_request, osd_data->pages, + page_count, osd_data->alignment); #ifdef CONFIG_BLOCK } else if (osd_data->type == CEPH_OSD_DATA_TYPE_BIO) { req->r_request->bio = osd_data->bio; @@ -2135,9 +2134,8 @@ static struct ceph_msg *get_reply(struct ceph_connection *con, } page_count = calc_pages_for((u64)osd_data->alignment, (u64)osd_data->length); - m->pages = osd_data->pages; - m->page_count = page_count; - m->page_alignment = osd_data->alignment; + ceph_msg_data_set_pages(m, osd_data->pages, + osd_data->num_pages, osd_data->alignment); #ifdef CONFIG_BLOCK } else if (osd_data->type == CEPH_OSD_DATA_TYPE_BIO) { m->bio = osd_data->bio; |