ceph: punch hole support

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>

1 files changed, 9 insertions, 2 deletions

diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index dbc0a7392d67..8ec65bc11c71 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -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);