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ceph: punch hole support

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This patch implements fallocate and punch hole support for Ceph kernel client.

Signed-off-by: Li Wang <liwang@ubuntukylin.com>
Signed-off-by: Yunchuan Wen <yunchuanwen@ubuntukylin.com>
This commit is contained in:
Li Wang
2013-08-15 11:51:44 +08:00
committed by Sage Weil
parent 3871cbb9a4
commit ad7a60de88
2 changed files with 205 additions and 2 deletions
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11
net/ceph/osd_client.c
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@@ -503,7 +503,9 @@ void osd_req_op_extent_init(struct ceph_osd_request *osd_req,
struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which, opcode);
size_t payload_len = 0;
BUG_ON(opcode != CEPH_OSD_OP_READ && opcode != CEPH_OSD_OP_WRITE);
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);
op->extent.offset = offset;
op->extent.length = length;
@@ -631,6 +633,9 @@ static u64 osd_req_encode_op(struct ceph_osd_request *req,
break;
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;
dst->extent.offset = cpu_to_le64(src->extent.offset);
@@ -715,7 +720,9 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
u64 object_base;
int r;
BUG_ON(opcode != CEPH_OSD_OP_READ && opcode != CEPH_OSD_OP_WRITE);
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);
req = ceph_osdc_alloc_request(osdc, snapc, num_ops, use_mempool,
GFP_NOFS);