diff options
Diffstat (limited to 'xlators/protocol/server/src/server-rpc-fops.c')
| -rw-r--r-- | xlators/protocol/server/src/server-rpc-fops.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/xlators/protocol/server/src/server-rpc-fops.c b/xlators/protocol/server/src/server-rpc-fops.c index 4b847eabd86..55e30fdd782 100644 --- a/xlators/protocol/server/src/server-rpc-fops.c +++ b/xlators/protocol/server/src/server-rpc-fops.c @@ -2008,6 +2008,45 @@ out: return 0; } +int +server_discard_cbk(call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, + struct iatt *statpre, struct iatt *statpost, dict_t *xdata) +{ + gfs3_discard_rsp rsp = {0,}; + server_state_t *state = NULL; + rpcsvc_request_t *req = NULL; + + req = frame->local; + state = CALL_STATE (frame); + + GF_PROTOCOL_DICT_SERIALIZE (this, xdata, (&rsp.xdata.xdata_val), + rsp.xdata.xdata_len, op_errno, out); + + if (op_ret) { + gf_log (this->name, GF_LOG_INFO, + "%"PRId64": DISCARD %"PRId64" (%s) ==> (%s)", + frame->root->unique, state->resolve.fd_no, + uuid_utoa (state->resolve.gfid), + strerror (op_errno)); + goto out; + } + + gf_stat_from_iatt (&rsp.statpre, statpre); + gf_stat_from_iatt (&rsp.statpost, statpost); + +out: + rsp.op_ret = op_ret; + rsp.op_errno = gf_errno_to_error (op_errno); + + server_submit_reply(frame, req, &rsp, NULL, 0, NULL, + (xdrproc_t) xdr_gfs3_discard_rsp); + + GF_FREE (rsp.xdata.xdata_val); + + return 0; +} + /* Resume function section */ int @@ -2975,6 +3014,26 @@ err: return 0; } +int +server_discard_resume (call_frame_t *frame, xlator_t *bound_xl) +{ + server_state_t *state = NULL; + + state = CALL_STATE (frame); + + if (state->resolve.op_ret != 0) + goto err; + + STACK_WIND (frame, server_discard_cbk, + bound_xl, bound_xl->fops->discard, + state->fd, state->offset, state->size, state->xdata); + return 0; +err: + server_discard_cbk(frame, NULL, frame->this, state->resolve.op_ret, + state->resolve.op_errno, NULL, NULL, NULL); + + return 0; +} /* Fop section */ @@ -3213,6 +3272,68 @@ out: return ret; } + + +int +server3_3_discard(rpcsvc_request_t *req) +{ + server_state_t *state = NULL; + call_frame_t *frame = NULL; + gfs3_discard_req args = {{0},}; + int ret = -1; + int op_errno = 0; + + if (!req) + return ret; + + ret = xdr_to_generic (req->msg[0], &args, + (xdrproc_t)xdr_gfs3_discard_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + frame = get_frame_from_request (req); + if (!frame) { + // something wrong, mostly insufficient memory + req->rpc_err = GARBAGE_ARGS; /* TODO */ + goto out; + } + frame->root->op = GF_FOP_DISCARD; + + state = CALL_STATE (frame); + if (!state->conn->bound_xl) { + /* auth failure, request on subvolume without setvolume */ + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + state->resolve.type = RESOLVE_MUST; + state->resolve.fd_no = args.fd; + + state->offset = args.offset; + state->size = args.size; + memcpy(state->resolve.gfid, args.gfid, 16); + + GF_PROTOCOL_DICT_UNSERIALIZE (state->conn->bound_xl, state->xdata, + (args.xdata.xdata_val), + (args.xdata.xdata_len), ret, + op_errno, out); + + ret = 0; + resolve_and_resume (frame, server_discard_resume); + +out: + free (args.xdata.xdata_val); + + if (op_errno) + req->rpc_err = GARBAGE_ARGS; + + return ret; +} + + int server3_3_readlink (rpcsvc_request_t *req) { @@ -5867,6 +5988,7 @@ rpcsvc_actor_t glusterfs3_3_fop_actors[] = { [GFS3_OP_FSETATTR] = { "FSETATTR", GFS3_OP_FSETATTR, server3_3_fsetattr, NULL, 0}, [GFS3_OP_READDIRP] = { "READDIRP", GFS3_OP_READDIRP, server3_3_readdirp, NULL, 0}, [GFS3_OP_FALLOCATE] = { "FALLOCATE", GFS3_OP_FALLOCATE, server3_3_fallocate, NULL, 0}, + [GFS3_OP_DISCARD] = { "DISCARD", GFS3_OP_DISCARD, server3_3_discard, NULL, 0}, [GFS3_OP_RELEASE] = { "RELEASE", GFS3_OP_RELEASE, server3_3_release, NULL, 0}, [GFS3_OP_RELEASEDIR] = { "RELEASEDIR", GFS3_OP_RELEASEDIR, server3_3_releasedir, NULL, 0}, [GFS3_OP_FREMOVEXATTR] = { "FREMOVEXATTR", GFS3_OP_FREMOVEXATTR, server3_3_fremovexattr, NULL, 0}, |