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| author | Yan, Zheng <zyan@redhat.com> | 2014-11-13 05:47:25 +0300 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@redhat.com> | 2014-12-17 20:09:51 +0300 |
| commit | 864e9197f10c77053bbaf12932f5b200bb4ed3c5 (patch) | |
| tree | e4ee55d86d9359824092a739e2ce748ef7d5f7c4 /net/ceph | |
| parent | d74b50bed037794135cb5a4e7418ad71d9848ce1 (diff) | |
| download | linux-864e9197f10c77053bbaf12932f5b200bb4ed3c5.tar.xz | |
libceph: add CREATE osd operation support
Add CEPH_OSD_OP_CREATE support. Also change libceph to not treat
CEPH_OSD_OP_DELETE as an extent op and add an assert to that end.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@redhat.com>
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/osd_client.c | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 2b0555b36e4d..af1b3ee195e9 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -480,8 +480,7 @@ void osd_req_op_extent_init(struct ceph_osd_request *osd_req, size_t payload_len = 0; BUG_ON(opcode != CEPH_OSD_OP_READ && opcode != CEPH_OSD_OP_WRITE && - opcode != CEPH_OSD_OP_DELETE && opcode != CEPH_OSD_OP_ZERO && - opcode != CEPH_OSD_OP_TRUNCATE); + opcode != CEPH_OSD_OP_ZERO && opcode != CEPH_OSD_OP_TRUNCATE); op->extent.offset = offset; op->extent.length = length; @@ -663,7 +662,6 @@ static u64 osd_req_encode_op(struct ceph_osd_request *req, case CEPH_OSD_OP_READ: case CEPH_OSD_OP_WRITE: case CEPH_OSD_OP_ZERO: - case CEPH_OSD_OP_DELETE: case CEPH_OSD_OP_TRUNCATE: if (src->op == CEPH_OSD_OP_WRITE) request_data_len = src->extent.length; @@ -723,6 +721,9 @@ static u64 osd_req_encode_op(struct ceph_osd_request *req, ceph_osdc_msg_data_add(req->r_request, osd_data); request_data_len = osd_data->pagelist->length; break; + case CEPH_OSD_OP_CREATE: + case CEPH_OSD_OP_DELETE: + break; default: pr_err("unsupported osd opcode %s\n", ceph_osd_op_name(src->op)); @@ -763,13 +764,11 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, u64 objnum = 0; u64 objoff = 0; u64 objlen = 0; - u32 object_size; - u64 object_base; int r; BUG_ON(opcode != CEPH_OSD_OP_READ && opcode != CEPH_OSD_OP_WRITE && - opcode != CEPH_OSD_OP_DELETE && opcode != CEPH_OSD_OP_ZERO && - opcode != CEPH_OSD_OP_TRUNCATE); + opcode != CEPH_OSD_OP_ZERO && opcode != CEPH_OSD_OP_TRUNCATE && + opcode != CEPH_OSD_OP_CREATE && opcode != CEPH_OSD_OP_DELETE); req = ceph_osdc_alloc_request(osdc, snapc, num_ops, use_mempool, GFP_NOFS); @@ -785,21 +784,24 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, return ERR_PTR(r); } - object_size = le32_to_cpu(layout->fl_object_size); - object_base = off - objoff; - if (!(truncate_seq == 1 && truncate_size == -1ULL)) { - if (truncate_size <= object_base) { - truncate_size = 0; - } else { - truncate_size -= object_base; - if (truncate_size > object_size) - truncate_size = object_size; + if (opcode == CEPH_OSD_OP_CREATE || opcode == CEPH_OSD_OP_DELETE) { + osd_req_op_init(req, 0, opcode); + } else { + u32 object_size = le32_to_cpu(layout->fl_object_size); + u32 object_base = off - objoff; + if (!(truncate_seq == 1 && truncate_size == -1ULL)) { + if (truncate_size <= object_base) { + truncate_size = 0; + } else { + truncate_size -= object_base; + if (truncate_size > object_size) + truncate_size = object_size; + } } - } - - osd_req_op_extent_init(req, 0, opcode, objoff, objlen, - truncate_size, truncate_seq); + osd_req_op_extent_init(req, 0, opcode, objoff, objlen, + truncate_size, truncate_seq); + } /* * A second op in the ops array means the caller wants to * also issue a include a 'startsync' command so that the |