diff options
Diffstat (limited to 'net/ceph/osd_client.c')
| -rw-r--r-- | net/ceph/osd_client.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 4e5c0438ea35..02ed72820479 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -289,6 +289,90 @@ static bool osd_req_opcode_valid(u16 opcode) } } +/* + * This is an osd op init function for opcodes that have no data or + * other information associated with them. It also serves as a + * common init routine for all the other init functions, below. + */ +void osd_req_op_init(struct ceph_osd_req_op *op, u16 opcode) +{ + BUG_ON(!osd_req_opcode_valid(opcode)); + + memset(op, 0, sizeof (*op)); + + op->op = opcode; +} + +void osd_req_op_extent_init(struct ceph_osd_req_op *op, u16 opcode, + u64 offset, u64 length, + u64 truncate_size, u32 truncate_seq) +{ + size_t payload_len = 0; + + BUG_ON(opcode != CEPH_OSD_OP_READ && opcode != CEPH_OSD_OP_WRITE); + + osd_req_op_init(op, opcode); + + op->extent.offset = offset; + op->extent.length = length; + op->extent.truncate_size = truncate_size; + op->extent.truncate_seq = truncate_seq; + if (opcode == CEPH_OSD_OP_WRITE) + payload_len += length; + + op->payload_len = payload_len; +} +EXPORT_SYMBOL(osd_req_op_extent_init); + +void osd_req_op_cls_init(struct ceph_osd_req_op *op, u16 opcode, + const char *class, const char *method, + const void *request_data, size_t request_data_size) +{ + size_t payload_len = 0; + size_t size; + + BUG_ON(opcode != CEPH_OSD_OP_CALL); + + osd_req_op_init(op, opcode); + + op->cls.class_name = class; + size = strlen(class); + BUG_ON(size > (size_t) U8_MAX); + op->cls.class_len = size; + payload_len += size; + + op->cls.method_name = method; + size = strlen(method); + BUG_ON(size > (size_t) U8_MAX); + op->cls.method_len = size; + payload_len += size; + + op->cls.indata = request_data; + BUG_ON(request_data_size > (size_t) U32_MAX); + op->cls.indata_len = (u32) request_data_size; + payload_len += request_data_size; + + op->cls.argc = 0; /* currently unused */ + + op->payload_len = payload_len; +} +EXPORT_SYMBOL(osd_req_op_cls_init); + +void osd_req_op_watch_init(struct ceph_osd_req_op *op, u16 opcode, + u64 cookie, u64 version, int flag) +{ + BUG_ON(opcode != CEPH_OSD_OP_NOTIFY_ACK && opcode != CEPH_OSD_OP_WATCH); + + osd_req_op_init(op, opcode); + + op->watch.cookie = cookie; + /* op->watch.ver = version; */ /* XXX 3847 */ + op->watch.ver = cpu_to_le64(version); + if (opcode == CEPH_OSD_OP_WATCH && flag) + op->watch.flag = (u8) 1; +} +EXPORT_SYMBOL(osd_req_op_watch_init); + static u64 osd_req_encode_op(struct ceph_osd_request *req, struct ceph_osd_op *dst, struct ceph_osd_req_op *src) |