diff options
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/osd_client.c | 196 |
1 files changed, 98 insertions, 98 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index db262486038..3fe8a7909ed 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -526,104 +526,6 @@ static u64 osd_req_encode_op(struct ceph_osd_request *req, } /* - * build new request AND message - * - */ -void ceph_osdc_build_request(struct ceph_osd_request *req, u64 off, - struct ceph_snap_context *snapc, u64 snap_id, - struct timespec *mtime) -{ - struct ceph_msg *msg = req->r_request; - void *p; - size_t msg_size; - int flags = req->r_flags; - u64 data_len; - unsigned int i; - - req->r_snapid = snap_id; - req->r_snapc = ceph_get_snap_context(snapc); - - /* encode request */ - msg->hdr.version = cpu_to_le16(4); - - p = msg->front.iov_base; - ceph_encode_32(&p, 1); /* client_inc is always 1 */ - req->r_request_osdmap_epoch = p; - p += 4; - req->r_request_flags = p; - p += 4; - if (req->r_flags & CEPH_OSD_FLAG_WRITE) - ceph_encode_timespec(p, mtime); - p += sizeof(struct ceph_timespec); - req->r_request_reassert_version = p; - p += sizeof(struct ceph_eversion); /* will get filled in */ - - /* oloc */ - ceph_encode_8(&p, 4); - ceph_encode_8(&p, 4); - ceph_encode_32(&p, 8 + 4 + 4); - req->r_request_pool = p; - p += 8; - ceph_encode_32(&p, -1); /* preferred */ - ceph_encode_32(&p, 0); /* key len */ - - ceph_encode_8(&p, 1); - req->r_request_pgid = p; - p += 8 + 4; - ceph_encode_32(&p, -1); /* preferred */ - - /* oid */ - ceph_encode_32(&p, req->r_oid_len); - memcpy(p, req->r_oid, req->r_oid_len); - dout("oid '%.*s' len %d\n", req->r_oid_len, req->r_oid, req->r_oid_len); - p += req->r_oid_len; - - /* ops--can imply data */ - ceph_encode_16(&p, (u16)req->r_num_ops); - data_len = 0; - for (i = 0; i < req->r_num_ops; i++) { - data_len += osd_req_encode_op(req, p, i); - p += sizeof(struct ceph_osd_op); - } - - /* snaps */ - ceph_encode_64(&p, req->r_snapid); - ceph_encode_64(&p, req->r_snapc ? req->r_snapc->seq : 0); - ceph_encode_32(&p, req->r_snapc ? req->r_snapc->num_snaps : 0); - if (req->r_snapc) { - for (i = 0; i < snapc->num_snaps; i++) { - ceph_encode_64(&p, req->r_snapc->snaps[i]); - } - } - - req->r_request_attempts = p; - p += 4; - - /* data */ - if (flags & CEPH_OSD_FLAG_WRITE) { - u16 data_off; - - /* - * The header "data_off" is a hint to the receiver - * allowing it to align received data into its - * buffers such that there's no need to re-copy - * it before writing it to disk (direct I/O). - */ - data_off = (u16) (off & 0xffff); - req->r_request->hdr.data_off = cpu_to_le16(data_off); - } - req->r_request->hdr.data_len = cpu_to_le32(data_len); - - BUG_ON(p > msg->front.iov_base + msg->front.iov_len); - msg_size = p - msg->front.iov_base; - msg->front.iov_len = msg_size; - msg->hdr.front_len = cpu_to_le32(msg_size); - - dout("build_request msg_size was %d\n", (int)msg_size); -} -EXPORT_SYMBOL(ceph_osdc_build_request); - -/* * build new request AND message, calculate layout, and adjust file * extent as needed. * @@ -1968,6 +1870,104 @@ static void ceph_osdc_msg_data_set(struct ceph_msg *msg, } /* + * build new request AND message + * + */ +void ceph_osdc_build_request(struct ceph_osd_request *req, u64 off, + struct ceph_snap_context *snapc, u64 snap_id, + struct timespec *mtime) +{ + struct ceph_msg *msg = req->r_request; + void *p; + size_t msg_size; + int flags = req->r_flags; + u64 data_len; + unsigned int i; + + req->r_snapid = snap_id; + req->r_snapc = ceph_get_snap_context(snapc); + + /* encode request */ + msg->hdr.version = cpu_to_le16(4); + + p = msg->front.iov_base; + ceph_encode_32(&p, 1); /* client_inc is always 1 */ + req->r_request_osdmap_epoch = p; + p += 4; + req->r_request_flags = p; + p += 4; + if (req->r_flags & CEPH_OSD_FLAG_WRITE) + ceph_encode_timespec(p, mtime); + p += sizeof(struct ceph_timespec); + req->r_request_reassert_version = p; + p += sizeof(struct ceph_eversion); /* will get filled in */ + + /* oloc */ + ceph_encode_8(&p, 4); + ceph_encode_8(&p, 4); + ceph_encode_32(&p, 8 + 4 + 4); + req->r_request_pool = p; + p += 8; + ceph_encode_32(&p, -1); /* preferred */ + ceph_encode_32(&p, 0); /* key len */ + + ceph_encode_8(&p, 1); + req->r_request_pgid = p; + p += 8 + 4; + ceph_encode_32(&p, -1); /* preferred */ + + /* oid */ + ceph_encode_32(&p, req->r_oid_len); + memcpy(p, req->r_oid, req->r_oid_len); + dout("oid '%.*s' len %d\n", req->r_oid_len, req->r_oid, req->r_oid_len); + p += req->r_oid_len; + + /* ops--can imply data */ + ceph_encode_16(&p, (u16)req->r_num_ops); + data_len = 0; + for (i = 0; i < req->r_num_ops; i++) { + data_len += osd_req_encode_op(req, p, i); + p += sizeof(struct ceph_osd_op); + } + + /* snaps */ + ceph_encode_64(&p, req->r_snapid); + ceph_encode_64(&p, req->r_snapc ? req->r_snapc->seq : 0); + ceph_encode_32(&p, req->r_snapc ? req->r_snapc->num_snaps : 0); + if (req->r_snapc) { + for (i = 0; i < snapc->num_snaps; i++) { + ceph_encode_64(&p, req->r_snapc->snaps[i]); + } + } + + req->r_request_attempts = p; + p += 4; + + /* data */ + if (flags & CEPH_OSD_FLAG_WRITE) { + u16 data_off; + + /* + * The header "data_off" is a hint to the receiver + * allowing it to align received data into its + * buffers such that there's no need to re-copy + * it before writing it to disk (direct I/O). + */ + data_off = (u16) (off & 0xffff); + req->r_request->hdr.data_off = cpu_to_le16(data_off); + } + req->r_request->hdr.data_len = cpu_to_le32(data_len); + + BUG_ON(p > msg->front.iov_base + msg->front.iov_len); + msg_size = p - msg->front.iov_base; + msg->front.iov_len = msg_size; + msg->hdr.front_len = cpu_to_le32(msg_size); + + dout("build_request msg_size was %d\n", (int)msg_size); +} +EXPORT_SYMBOL(ceph_osdc_build_request); + +/* * Register request, send initial attempt. */ int ceph_osdc_start_request(struct ceph_osd_client *osdc, |