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authorYan, Zheng <zyan@redhat.com>2014-11-13 10:47:25 +0800
committerIlya Dryomov <idryomov@redhat.com>2014-12-17 20:09:51 +0300
commit864e9197f10c77053bbaf12932f5b200bb4ed3c5 (patch)
treee4ee55d86d9359824092a739e2ce748ef7d5f7c4 /net/ceph
parentd74b50bed037794135cb5a4e7418ad71d9848ce1 (diff)
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.c42
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

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