* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011 Whamcloud, Inc.
+ *
*/
/*
* This file is part of Lustre, http://www.lustre.org/
CFS_MODULE_PARM(oss_num_create_threads, "i", int, 0444,
"number of OSS create threads to start");
+/**
+ * Do not return server-side uid/gid to remote client
+ */
+static void ost_drop_id(struct obd_export *exp, struct obdo *oa)
+{
+ if (exp_connect_rmtclient(exp)) {
+ oa->o_uid = -1;
+ oa->o_gid = -1;
+ oa->o_valid &= ~(OBD_MD_FLUID | OBD_MD_FLGID);
+ }
+}
+
+/**
+ * Validate oa from client.
+ * If the request comes from 2.0 clients, currently only RSVD seq and IDIF
+ * req are valid.
+ * a. for single MDS seq = FID_SEQ_OST_MDT0,
+ * b. for CMD, seq = FID_SEQ_OST_MDT0, FID_SEQ_OST_MDT1 - FID_SEQ_OST_MAX
+ */
+static int ost_validate_obdo(struct obd_export *exp, struct obdo *oa,
+ struct obd_ioobj *ioobj)
+{
+ if (oa != NULL && !(oa->o_valid & OBD_MD_FLGROUP)) {
+ oa->o_seq = FID_SEQ_OST_MDT0;
+ if (ioobj)
+ ioobj->ioo_seq = FID_SEQ_OST_MDT0;
+ /* remove fid_seq_is_rsvd() after FID-on-OST allows SEQ > 9 */
+ } else if (oa == NULL ||
+ !(fid_seq_is_rsvd(oa->o_seq) || fid_seq_is_idif(oa->o_seq))) {
+ CERROR("%s: client %s sent invalid object "POSTID"\n",
+ exp->exp_obd->obd_name, obd_export_nid2str(exp),
+ oa ? oa->o_id : -1, oa ? oa->o_seq : -1);
+ return -EPROTO;
+ }
+ obdo_from_ostid(oa, &oa->o_oi);
+ if (ioobj)
+ ioobj_from_obdo(ioobj, oa);
+ return 0;
+}
+
void oti_to_request(struct obd_trans_info *oti, struct ptlrpc_request *req)
{
struct oti_req_ack_lock *ack_lock;
if (oti == NULL)
return;
- if (req->rq_repmsg)
+ if (req->rq_repmsg) {
+ __u64 versions[PTLRPC_NUM_VERSIONS] = { 0 };
lustre_msg_set_transno(req->rq_repmsg, oti->oti_transno);
+ versions[0] = oti->oti_pre_version;
+ lustre_msg_set_versions(req->rq_repmsg, versions);
+ }
req->rq_transno = oti->oti_transno;
/* XXX 4 == entries in oti_ack_locks??? */
struct obd_trans_info *oti)
{
struct ost_body *body, *repbody;
- __u32 size[2] = { sizeof(struct ptlrpc_body), sizeof(*body) };
+ struct lustre_capa *capa = NULL;
int rc;
ENTRY;
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_ost_body);
+ /* Get the request body */
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
if (body == NULL)
RETURN(-EFAULT);
if (body->oa.o_id == 0)
RETURN(-EPROTO);
- if (lustre_msg_buflen(req->rq_reqmsg, REQ_REC_OFF + 1)) {
+ rc = ost_validate_obdo(exp, &body->oa, NULL);
+ if (rc)
+ RETURN(rc);
+
+ /* If there's a DLM request, cancel the locks mentioned in it*/
+ if (req_capsule_field_present(&req->rq_pill, &RMF_DLM_REQ, RCL_CLIENT)) {
struct ldlm_request *dlm;
- dlm = lustre_swab_reqbuf(req, REQ_REC_OFF + 1, sizeof(*dlm),
- lustre_swab_ldlm_request);
+
+ dlm = req_capsule_client_get(&req->rq_pill, &RMF_DLM_REQ);
if (dlm == NULL)
RETURN (-EFAULT);
ldlm_request_cancel(req, dlm, 0);
}
- rc = lustre_pack_reply(req, 2, size, NULL);
+ /* If there's a capability, get it */
+ if (body->oa.o_valid & OBD_MD_FLOSSCAPA) {
+ capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1);
+ if (capa == NULL) {
+ CERROR("Missing capability for OST DESTROY");
+ RETURN (-EFAULT);
+ }
+ }
+
+ /* Prepare the reply */
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
RETURN(rc);
+ /* Get the log cancellation cookie */
if (body->oa.o_valid & OBD_MD_FLCOOKIE)
oti->oti_logcookies = &body->oa.o_lcookie;
- repbody = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
- sizeof(*repbody));
+
+ /* Finish the reply */
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
memcpy(&repbody->oa, &body->oa, sizeof(body->oa));
- req->rq_status = obd_destroy(exp, &body->oa, NULL, oti, NULL);
+
+ /* Do the destroy and set the reply status accordingly */
+ req->rq_status = obd_destroy(exp, &body->oa, NULL, oti, NULL, capa);
RETURN(0);
}
+/**
+ * Helper function for getting server side [start, start+count] DLM lock
+ * if asked by client.
+ */
+static int ost_lock_get(struct obd_export *exp, struct obdo *oa,
+ __u64 start, __u64 count, struct lustre_handle *lh,
+ int mode, int flags)
+{
+ struct ldlm_res_id res_id;
+ ldlm_policy_data_t policy;
+ __u64 end = start + count;
+
+ ENTRY;
+
+ LASSERT(!lustre_handle_is_used(lh));
+ /* o_id and o_gr are used for localizing resource, if client miss to set
+ * them, do not trigger ASSERTION. */
+ if (unlikely((oa->o_valid & (OBD_MD_FLID | OBD_MD_FLGROUP)) !=
+ (OBD_MD_FLID | OBD_MD_FLGROUP)))
+ RETURN(-EPROTO);
+
+ if (!(oa->o_valid & OBD_MD_FLFLAGS) ||
+ !(oa->o_flags & OBD_FL_SRVLOCK))
+ RETURN(0);
+
+ osc_build_res_name(oa->o_id, oa->o_seq, &res_id);
+ CDEBUG(D_INODE, "OST-side extent lock.\n");
+
+ policy.l_extent.start = start & CFS_PAGE_MASK;
+
+ /* If ->o_blocks is EOF it means "lock till the end of the
+ * file". Otherwise, it's size of a hole being punched (in bytes) */
+ if (count == OBD_OBJECT_EOF || end < start)
+ policy.l_extent.end = OBD_OBJECT_EOF;
+ else
+ policy.l_extent.end = end | ~CFS_PAGE_MASK;
+
+ RETURN(ldlm_cli_enqueue_local(exp->exp_obd->obd_namespace, &res_id,
+ LDLM_EXTENT, &policy, mode, &flags,
+ ldlm_blocking_ast, ldlm_completion_ast,
+ ldlm_glimpse_ast, NULL, 0, NULL, lh));
+}
+
+/* Helper function: release lock, if any. */
+static void ost_lock_put(struct obd_export *exp,
+ struct lustre_handle *lh, int mode)
+{
+ ENTRY;
+ if (lustre_handle_is_used(lh))
+ ldlm_lock_decref(lh, mode);
+ EXIT;
+}
+
static int ost_getattr(struct obd_export *exp, struct ptlrpc_request *req)
{
struct ost_body *body, *repbody;
- struct obd_info oinfo = { { { 0 } } };
- __u32 size[2] = { sizeof(struct ptlrpc_body), sizeof(*body) };
+ struct obd_info *oinfo;
+ struct lustre_handle lh = { 0 };
+ struct lustre_capa *capa = NULL;
int rc;
ENTRY;
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_ost_body);
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
if (body == NULL)
RETURN(-EFAULT);
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = ost_validate_obdo(exp, &body->oa, NULL);
+ if (rc)
+ RETURN(rc);
+
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(rc);
+
+ rc = ost_lock_get(exp, &body->oa, 0, OBD_OBJECT_EOF, &lh, LCK_PR, 0);
if (rc)
RETURN(rc);
- repbody = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
- sizeof(*repbody));
+ if (body->oa.o_valid & OBD_MD_FLOSSCAPA) {
+ capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1);
+ if (capa == NULL) {
+ CERROR("Missing capability for OST GETATTR");
+ GOTO(unlock, rc = -EFAULT);
+ }
+ }
+
+ OBD_ALLOC_PTR(oinfo);
+ if (!oinfo)
+ GOTO(unlock, rc = -ENOMEM);
+ oinfo->oi_oa = &body->oa;
+ oinfo->oi_capa = capa;
+
+ req->rq_status = obd_getattr(exp, oinfo);
+
+ OBD_FREE_PTR(oinfo);
+
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
repbody->oa = body->oa;
+ ost_drop_id(exp, &repbody->oa);
+
+unlock:
+ ost_lock_put(exp, &lh, LCK_PR);
- oinfo.oi_oa = &repbody->oa;
- if (oinfo.oi_oa->o_valid & OBD_MD_FLOSSCAPA)
- oinfo.oi_capa = lustre_unpack_capa(req->rq_reqmsg,
- REQ_REC_OFF + 1);
- req->rq_status = obd_getattr(exp, &oinfo);
RETURN(0);
}
static int ost_statfs(struct ptlrpc_request *req)
{
struct obd_statfs *osfs;
- __u32 size[2] = { sizeof(struct ptlrpc_body), sizeof(*osfs) };
int rc;
ENTRY;
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
RETURN(rc);
- osfs = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof(*osfs));
+ osfs = req_capsule_server_get(&req->rq_pill, &RMF_OBD_STATFS);
req->rq_status = obd_statfs(req->rq_export->exp_obd, osfs,
- cfs_time_current_64() - HZ, 0);
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOSPC))
- osfs->os_bfree = osfs->os_bavail = 64;
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ 0);
if (req->rq_status != 0)
CERROR("ost: statfs failed: rc %d\n", req->rq_status);
struct obd_trans_info *oti)
{
struct ost_body *body, *repbody;
- __u32 size[2] = { sizeof(struct ptlrpc_body), sizeof(*repbody) };
int rc;
ENTRY;
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_ost_body);
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
if (body == NULL)
RETURN(-EFAULT);
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = ost_validate_obdo(req->rq_export, &body->oa, NULL);
if (rc)
RETURN(rc);
- repbody = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
- sizeof(*repbody));
- memcpy(&repbody->oa, &body->oa, sizeof(body->oa));
- oti->oti_logcookies = &repbody->oa.o_lcookie;
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(rc);
+
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ repbody->oa = body->oa;
+ oti->oti_logcookies = &body->oa.o_lcookie;
+
req->rq_status = obd_create(exp, &repbody->oa, NULL, oti);
//obd_log_cancel(conn, NULL, 1, oti->oti_logcookies, 0);
RETURN(0);
}
-/*
- * Helper function for ost_punch(): if asked by client, acquire [size, EOF]
- * lock on the file being truncated.
- */
-static int ost_punch_lock_get(struct obd_export *exp, struct obdo *oa,
- struct lustre_handle *lh)
-{
- int flags;
- struct ldlm_res_id res_id;
- ldlm_policy_data_t policy;
- __u64 start;
- __u64 finis;
-
- ENTRY;
-
- osc_build_res_name(oa->o_id, oa->o_gr, &res_id);
- LASSERT(!lustre_handle_is_used(lh));
-
- if (!(oa->o_valid & OBD_MD_FLFLAGS) ||
- !(oa->o_flags & OBD_FL_TRUNCLOCK))
- RETURN(0);
-
- CDEBUG(D_INODE, "OST-side truncate lock.\n");
-
- start = oa->o_size;
- finis = start + oa->o_blocks;
-
- /*
- * standard truncate optimization: if file body is completely
- * destroyed, don't send data back to the server.
- */
- flags = (start == 0) ? LDLM_AST_DISCARD_DATA : 0;
-
- policy.l_extent.start = start & CFS_PAGE_MASK;
-
- /*
- * If ->o_blocks is EOF it means "lock till the end of the
- * file". Otherwise, it's size of a hole being punched (in bytes)
- */
- if (oa->o_blocks == OBD_OBJECT_EOF || finis < start)
- policy.l_extent.end = OBD_OBJECT_EOF;
- else
- policy.l_extent.end = finis | ~CFS_PAGE_MASK;
-
- RETURN(ldlm_cli_enqueue_local(exp->exp_obd->obd_namespace, &res_id,
- LDLM_EXTENT, &policy, LCK_PW, &flags,
- ldlm_blocking_ast, ldlm_completion_ast,
- ldlm_glimpse_ast, NULL, 0, NULL,
- NULL, lh));
-}
-
-/*
- * Helper function for ost_punch(): release lock acquired by
- * ost_punch_lock_get(), if any.
- */
-static void ost_punch_lock_put(struct obd_export *exp, struct obdo *oa,
- struct lustre_handle *lh)
-{
- ENTRY;
- if (lustre_handle_is_used(lh))
- ldlm_lock_decref(lh, LCK_PW);
- EXIT;
-}
-
static int ost_punch(struct obd_export *exp, struct ptlrpc_request *req,
struct obd_trans_info *oti)
{
- struct obd_info oinfo = { { { 0 } } };
struct ost_body *body, *repbody;
- __u32 size[2] = { sizeof(struct ptlrpc_body), sizeof(*repbody) };
- int rc;
+ int rc, flags = 0;
struct lustre_handle lh = {0,};
ENTRY;
/* check that we do support OBD_CONNECT_TRUNCLOCK. */
CLASSERT(OST_CONNECT_SUPPORTED & OBD_CONNECT_TRUNCLOCK);
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_ost_body);
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
if (body == NULL)
RETURN(-EFAULT);
- oinfo.oi_oa = &body->oa;
- oinfo.oi_policy.l_extent.start = oinfo.oi_oa->o_size;
- oinfo.oi_policy.l_extent.end = oinfo.oi_oa->o_blocks;
+ rc = ost_validate_obdo(exp, &body->oa, NULL);
+ if (rc)
+ RETURN(rc);
- if ((oinfo.oi_oa->o_valid & (OBD_MD_FLSIZE | OBD_MD_FLBLOCKS)) !=
+ if ((body->oa.o_valid & (OBD_MD_FLSIZE | OBD_MD_FLBLOCKS)) !=
(OBD_MD_FLSIZE | OBD_MD_FLBLOCKS))
RETURN(-EPROTO);
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
RETURN(rc);
- repbody = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
- sizeof(*repbody));
- rc = ost_punch_lock_get(exp, oinfo.oi_oa, &lh);
+ /* standard truncate optimization: if file body is completely
+ * destroyed, don't send data back to the server. */
+ if (body->oa.o_size == 0)
+ flags |= LDLM_AST_DISCARD_DATA;
+
+ rc = ost_lock_get(exp, &body->oa, body->oa.o_size, body->oa.o_blocks,
+ &lh, LCK_PW, flags);
if (rc == 0) {
- if (oinfo.oi_oa->o_valid & OBD_MD_FLFLAGS &&
- oinfo.oi_oa->o_flags == OBD_FL_TRUNCLOCK)
+ struct obd_info *oinfo;
+ struct lustre_capa *capa = NULL;
+
+ if (body->oa.o_valid & OBD_MD_FLFLAGS &&
+ body->oa.o_flags == OBD_FL_SRVLOCK)
/*
- * If OBD_FL_TRUNCLOCK is the only bit set in
+ * If OBD_FL_SRVLOCK is the only bit set in
* ->o_flags, clear OBD_MD_FLFLAGS to avoid falling
* through filter_setattr() to filter_iocontrol().
*/
- oinfo.oi_oa->o_valid &= ~OBD_MD_FLFLAGS;
+ body->oa.o_valid &= ~OBD_MD_FLFLAGS;
+
+ if (body->oa.o_valid & OBD_MD_FLOSSCAPA) {
+ capa = req_capsule_client_get(&req->rq_pill,
+ &RMF_CAPA1);
+ if (capa == NULL) {
+ CERROR("Missing capability for OST PUNCH");
+ GOTO(unlock, rc = -EFAULT);
+ }
+ }
- if (oinfo.oi_oa->o_valid & OBD_MD_FLOSSCAPA)
- oinfo.oi_capa = lustre_unpack_capa(req->rq_reqmsg,
- REQ_REC_OFF + 1);
- req->rq_status = obd_punch(exp, &oinfo, oti, NULL);
- ost_punch_lock_put(exp, oinfo.oi_oa, &lh);
+ OBD_ALLOC_PTR(oinfo);
+ if (!oinfo)
+ GOTO(unlock, rc = -ENOMEM);
+ oinfo->oi_oa = &body->oa;
+ oinfo->oi_policy.l_extent.start = oinfo->oi_oa->o_size;
+ oinfo->oi_policy.l_extent.end = oinfo->oi_oa->o_blocks;
+ oinfo->oi_capa = capa;
+ oinfo->oi_flags = OBD_FL_PUNCH;
+
+ req->rq_status = obd_punch(exp, oinfo, oti, NULL);
+ OBD_FREE_PTR(oinfo);
+unlock:
+ ost_lock_put(exp, &lh, LCK_PW);
}
- repbody->oa = *oinfo.oi_oa;
+
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ repbody->oa = body->oa;
+ ost_drop_id(exp, &repbody->oa);
RETURN(rc);
}
static int ost_sync(struct obd_export *exp, struct ptlrpc_request *req)
{
struct ost_body *body, *repbody;
+ struct obd_info *oinfo;
struct lustre_capa *capa = NULL;
- __u32 size[2] = { sizeof(struct ptlrpc_body), sizeof(*repbody) };
int rc;
ENTRY;
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_ost_body);
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
if (body == NULL)
RETURN(-EFAULT);
- if (body->oa.o_valid & OBD_MD_FLOSSCAPA)
- capa = lustre_unpack_capa(req->rq_reqmsg, REQ_REC_OFF + 1);
+ rc = ost_validate_obdo(exp, &body->oa, NULL);
+ if (rc)
+ RETURN(rc);
+
+ if (body->oa.o_valid & OBD_MD_FLOSSCAPA) {
+ capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1);
+ if (capa == NULL) {
+ CERROR("Missing capability for OST SYNC");
+ RETURN (-EFAULT);
+ }
+ }
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
RETURN(rc);
- repbody = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
- sizeof(*repbody));
- memcpy(&repbody->oa, &body->oa, sizeof(body->oa));
- req->rq_status = obd_sync(exp, &repbody->oa, NULL, repbody->oa.o_size,
- repbody->oa.o_blocks, capa);
+ OBD_ALLOC_PTR(oinfo);
+ if (!oinfo)
+ RETURN(-ENOMEM);
+
+ oinfo->oi_oa = &body->oa;
+ oinfo->oi_capa = capa;
+ req->rq_status = obd_sync(exp, oinfo, body->oa.o_size,
+ body->oa.o_blocks, NULL);
+ OBD_FREE_PTR(oinfo);
+
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ repbody->oa = body->oa;
+ ost_drop_id(exp, &repbody->oa);
RETURN(0);
}
struct obd_trans_info *oti)
{
struct ost_body *body, *repbody;
- __u32 size[2] = { sizeof(struct ptlrpc_body), sizeof(*repbody) };
+ struct obd_info *oinfo;
+ struct lustre_capa *capa = NULL;
int rc;
- struct obd_info oinfo = { { { 0 } } };
ENTRY;
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_ost_body);
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
if (body == NULL)
RETURN(-EFAULT);
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = ost_validate_obdo(req->rq_export, &body->oa, NULL);
if (rc)
RETURN(rc);
- repbody = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
- sizeof(*repbody));
- repbody->oa = body->oa;
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(rc);
- oinfo.oi_oa = &repbody->oa;
- if (oinfo.oi_oa->o_valid & OBD_MD_FLOSSCAPA)
- oinfo.oi_capa = lustre_unpack_capa(req->rq_reqmsg,
- REQ_REC_OFF + 1);
- req->rq_status = obd_setattr(exp, &oinfo, oti);
- RETURN(0);
-}
+ if (body->oa.o_valid & OBD_MD_FLOSSCAPA) {
+ capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1);
+ if (capa == NULL) {
+ CERROR("Missing capability for OST SETATTR");
+ RETURN (-EFAULT);
+ }
+ }
-static int ost_bulk_timeout(void *data)
-{
- ENTRY;
- /* We don't fail the connection here, because having the export
- * killed makes the (vital) call to commitrw very sad.
- */
- RETURN(1);
+ OBD_ALLOC_PTR(oinfo);
+ if (!oinfo)
+ RETURN(-ENOMEM);
+ oinfo->oi_oa = &body->oa;
+ oinfo->oi_capa = capa;
+
+ req->rq_status = obd_setattr(exp, oinfo, oti);
+
+ OBD_FREE_PTR(oinfo);
+
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ repbody->oa = body->oa;
+ ost_drop_id(exp, &repbody->oa);
+ RETURN(0);
}
static __u32 ost_checksum_bulk(struct ptlrpc_bulk_desc *desc, int opc,
kunmap(page);
}
- return cksum;
+ return fini_checksum(cksum, cksum_type);
}
static int ost_brw_lock_get(int mode, struct obd_export *exp,
int i;
ENTRY;
- osc_build_res_name(obj->ioo_id, obj->ioo_gr, &res_id);
+ osc_build_res_name(obj->ioo_id, obj->ioo_seq, &res_id);
LASSERT(mode == LCK_PR || mode == LCK_PW);
LASSERT(!lustre_handle_is_used(lh));
if (nrbufs == 0 || !(nb[0].flags & OBD_BRW_SRVLOCK))
RETURN(0);
- /* EXPENSIVE ASSERTION */
for (i = 1; i < nrbufs; i ++)
- LASSERT((nb[0].flags & OBD_BRW_SRVLOCK) ==
- (nb[i].flags & OBD_BRW_SRVLOCK));
+ if ((nb[0].flags & OBD_BRW_SRVLOCK) !=
+ (nb[i].flags & OBD_BRW_SRVLOCK))
+ RETURN(-EFAULT);
policy.l_extent.start = nb[0].offset & CFS_PAGE_MASK;
policy.l_extent.end = (nb[nrbufs - 1].offset +
RETURN(ldlm_cli_enqueue_local(exp->exp_obd->obd_namespace, &res_id,
LDLM_EXTENT, &policy, mode, &flags,
ldlm_blocking_ast, ldlm_completion_ast,
- ldlm_glimpse_ast, NULL, 0, NULL,
- NULL, lh));
+ ldlm_glimpse_ast, NULL, 0, NULL, lh));
}
static void ost_brw_lock_put(int mode,
struct ost_prolong_data {
struct obd_export *opd_exp;
ldlm_policy_data_t opd_policy;
+ struct obdo *opd_oa;
ldlm_mode_t opd_mode;
+ int opd_lock_match;
+ int opd_timeout;
};
static int ost_prolong_locks_iter(struct ldlm_lock *lock, void *data)
return LDLM_ITER_CONTINUE;
}
+ /* Fill the obdo with the matched lock handle.
+ * XXX: it is possible in some cases the IO RPC is covered by several
+ * locks, even for the write case, so it may need to be a lock list. */
+ if (opd->opd_oa && !(opd->opd_oa->o_valid & OBD_MD_FLHANDLE)) {
+ opd->opd_oa->o_handle.cookie = lock->l_handle.h_cookie;
+ opd->opd_oa->o_valid |= OBD_MD_FLHANDLE;
+ }
+
if (!(lock->l_flags & LDLM_FL_AST_SENT)) {
/* ignore locks not being cancelled */
return LDLM_ITER_CONTINUE;
}
+ CDEBUG(D_DLMTRACE,"refresh lock: "LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
+ lock->l_resource->lr_name.name[0],
+ lock->l_resource->lr_name.name[1],
+ opd->opd_policy.l_extent.start, opd->opd_policy.l_extent.end);
/* OK. this is a possible lock the user holds doing I/O
* let's refresh eviction timer for it */
- ldlm_refresh_waiting_lock(lock);
+ ldlm_refresh_waiting_lock(lock, opd->opd_timeout);
+ opd->opd_lock_match = 1;
return LDLM_ITER_CONTINUE;
}
-static void ost_prolong_locks(struct obd_export *exp, struct obd_ioobj *obj,
- struct niobuf_remote *nb, struct obdo *oa,
- ldlm_mode_t mode)
+static int ost_rw_prolong_locks(struct ptlrpc_request *req, struct obd_ioobj *obj,
+ struct niobuf_remote *nb, struct obdo *oa,
+ ldlm_mode_t mode)
{
struct ldlm_res_id res_id;
int nrbufs = obj->ioo_bufcnt;
- struct ost_prolong_data opd;
+ struct ost_prolong_data opd = { 0 };
ENTRY;
- osc_build_res_name(obj->ioo_id, obj->ioo_gr, &res_id);
+ osc_build_res_name(obj->ioo_id, obj->ioo_seq, &res_id);
opd.opd_mode = mode;
- opd.opd_exp = exp;
+ opd.opd_exp = req->rq_export;
opd.opd_policy.l_extent.start = nb[0].offset & CFS_PAGE_MASK;
opd.opd_policy.l_extent.end = (nb[nrbufs - 1].offset +
nb[nrbufs - 1].len - 1) | ~CFS_PAGE_MASK;
- CDEBUG(D_DLMTRACE,"refresh locks: "LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
+ /* prolong locks for the current service time of the corresponding
+ * portal (= OST_IO_PORTAL) */
+ opd.opd_timeout = AT_OFF ? obd_timeout / 2:
+ max(at_est2timeout(at_get(&req->rq_rqbd->
+ rqbd_service->srv_at_estimate)), ldlm_timeout);
+
+ CDEBUG(D_INFO,"refresh locks: "LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
res_id.name[0], res_id.name[1], opd.opd_policy.l_extent.start,
opd.opd_policy.l_extent.end);
lock = ldlm_handle2lock(&oa->o_handle);
if (lock != NULL) {
ost_prolong_locks_iter(lock, &opd);
+ if (opd.opd_lock_match) {
+ LDLM_LOCK_PUT(lock);
+ RETURN(1);
+ }
+
+ /* Check if the lock covers the whole IO region,
+ * otherwise iterate through the resource. */
+ if (lock->l_policy_data.l_extent.end >=
+ opd.opd_policy.l_extent.end &&
+ lock->l_policy_data.l_extent.start <=
+ opd.opd_policy.l_extent.start) {
+ LDLM_LOCK_PUT(lock);
+ RETURN(0);
+ }
LDLM_LOCK_PUT(lock);
- EXIT;
- return;
}
}
- ldlm_resource_iterate(exp->exp_obd->obd_namespace, &res_id,
+ opd.opd_oa = oa;
+ ldlm_resource_iterate(req->rq_export->exp_obd->obd_namespace, &res_id,
ost_prolong_locks_iter, &opd);
+ RETURN(opd.opd_lock_match);
+}
- EXIT;
+/* Allocate thread local buffers if needed */
+static struct ost_thread_local_cache *ost_tls_get(struct ptlrpc_request *r)
+{
+ struct ost_thread_local_cache *tls =
+ (struct ost_thread_local_cache *)(r->rq_svc_thread->t_data);
+
+ /* In normal mode of operation an I/O request is serviced only
+ * by ll_ost_io threads each of them has own tls buffers allocated by
+ * ost_thread_init().
+ * During recovery, an I/O request may be queued until any of the ost
+ * service threads process it. Not necessary it should be one of
+ * ll_ost_io threads. In that case we dynamically allocating tls
+ * buffers for the request service time. */
+ if (unlikely(tls == NULL)) {
+ LASSERT(r->rq_export->exp_in_recovery);
+ OBD_ALLOC_PTR(tls);
+ if (tls != NULL) {
+ tls->temporary = 1;
+ r->rq_svc_thread->t_data = tls;
+ }
+ }
+ return tls;
+}
+
+/* Free thread local buffers if they were allocated only for servicing
+ * this one request */
+static void ost_tls_put(struct ptlrpc_request *r)
+{
+ struct ost_thread_local_cache *tls =
+ (struct ost_thread_local_cache *)(r->rq_svc_thread->t_data);
+
+ if (unlikely(tls->temporary)) {
+ OBD_FREE_PTR(tls);
+ r->rq_svc_thread->t_data = NULL;
+ }
}
static int ost_brw_read(struct ptlrpc_request *req, struct obd_trans_info *oti)
struct lustre_capa *capa = NULL;
struct l_wait_info lwi;
struct lustre_handle lockh = { 0 };
- __u32 size[2] = { sizeof(struct ptlrpc_body), sizeof(*body) };
- int objcount, niocount, npages, nob = 0, rc, i;
+ int niocount, npages, nob = 0, rc, i;
int no_reply = 0;
+ struct ost_thread_local_cache *tls;
ENTRY;
req->rq_bulk_read = 1;
/* Check if there is eviction in progress, and if so, wait for it to
* finish */
- if (unlikely(atomic_read(&exp->exp_obd->obd_evict_inprogress))) {
+ if (unlikely(cfs_atomic_read(&exp->exp_obd->obd_evict_inprogress))) {
lwi = LWI_INTR(NULL, NULL); // We do not care how long it takes
rc = l_wait_event(exp->exp_obd->obd_evict_inprogress_waitq,
- !atomic_read(&exp->exp_obd->obd_evict_inprogress),
+ !cfs_atomic_read(&exp->exp_obd->obd_evict_inprogress),
&lwi);
}
if (exp->exp_failed)
GOTO(out, rc = -ENOTCONN);
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_ost_body);
- if (body == NULL) {
- CERROR("Missing/short ost_body\n");
+ /* ost_body, ioobj & noibuf_remote are verified and swabbed in
+ * ost_rw_hpreq_check(). */
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
+ if (body == NULL)
GOTO(out, rc = -EFAULT);
- }
- objcount = lustre_msg_buflen(req->rq_reqmsg, REQ_REC_OFF + 1) /
- sizeof(*ioo);
- if (objcount == 0) {
- CERROR("Missing/short ioobj\n");
- GOTO(out, rc = -EFAULT);
- }
- if (objcount > 1) {
- CERROR("too many ioobjs (%d)\n", objcount);
+ /*
+ * A req_capsule_X_get_array(pill, field, ptr_to_element_count) function
+ * would be useful here and wherever we get &RMF_OBD_IOOBJ and
+ * &RMF_NIOBUF_REMOTE.
+ */
+ ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ);
+ if (ioo == NULL)
GOTO(out, rc = -EFAULT);
- }
- ioo = lustre_swab_reqbuf(req, REQ_REC_OFF + 1, sizeof(*ioo),
- lustre_swab_obd_ioobj);
- if (ioo == NULL) {
- CERROR("Missing/short ioobj\n");
- GOTO(out, rc = -EFAULT);
- }
+ rc = ost_validate_obdo(exp, &body->oa, ioo);
+ if (rc)
+ RETURN(rc);
niocount = ioo->ioo_bufcnt;
- if (niocount > PTLRPC_MAX_BRW_PAGES) {
- DEBUG_REQ(D_ERROR, req, "bulk has too many pages (%d)",
- niocount);
- GOTO(out, rc = -EFAULT);
- }
-
- remote_nb = lustre_swab_reqbuf(req, REQ_REC_OFF + 2,
- niocount * sizeof(*remote_nb),
- lustre_swab_niobuf_remote);
- if (remote_nb == NULL) {
- CERROR("Missing/short niobuf\n");
+ remote_nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE);
+ if (remote_nb == NULL)
GOTO(out, rc = -EFAULT);
- }
- if (lustre_req_need_swab(req)) { /* swab remaining niobufs */
- for (i = 1; i < niocount; i++)
- lustre_swab_niobuf_remote (&remote_nb[i]);
+ if (body->oa.o_valid & OBD_MD_FLOSSCAPA) {
+ capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1);
+ if (capa == NULL) {
+ CERROR("Missing capability for OST BRW READ");
+ GOTO(out, rc = -EFAULT);
+ }
}
- if (body->oa.o_valid & OBD_MD_FLOSSCAPA)
- capa = lustre_unpack_capa(req->rq_reqmsg, REQ_REC_OFF + 3);
-
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
GOTO(out, rc);
- /*
- * Per-thread array of struct niobuf_{local,remote}'s was allocated by
- * ost_thread_init().
- */
- local_nb = ost_tls(req)->local;
+ tls = ost_tls_get(req);
+ if (tls == NULL)
+ GOTO(out_bulk, rc = -ENOMEM);
+ local_nb = tls->local;
rc = ost_brw_lock_get(LCK_PR, exp, ioo, remote_nb, &lockh);
if (rc != 0)
- GOTO(out_bulk, rc);
+ GOTO(out_tls, rc);
/*
* If getting the lock took more time than
desc = ptlrpc_prep_bulk_exp(req, npages,
BULK_PUT_SOURCE, OST_BULK_PORTAL);
- if (desc == NULL) /* XXX: check all cleanup stuff */
- GOTO(out, rc = -ENOMEM);
+ if (desc == NULL)
+ GOTO(out_commitrw, rc = -ENOMEM);
- ost_prolong_locks(exp, ioo, remote_nb, &body->oa, LCK_PW | LCK_PR);
+ if (!lustre_handle_is_used(&lockh))
+ /* no needs to try to prolong lock if server is asked
+ * to handle locking (= OBD_BRW_SRVLOCK) */
+ ost_rw_prolong_locks(req, ioo, remote_nb, &body->oa,
+ LCK_PW | LCK_PR);
nob = 0;
for (i = 0; i < npages; i++) {
}
if (body->oa.o_valid & OBD_MD_FLCKSUM) {
- cksum_type_t cksum_type = OBD_CKSUM_CRC32;
-
- if (body->oa.o_valid & OBD_MD_FLFLAGS)
- cksum_type = cksum_type_unpack(body->oa.o_flags);
+ cksum_type_t cksum_type =
+ cksum_type_unpack(body->oa.o_valid & OBD_MD_FLFLAGS ?
+ body->oa.o_flags : 0);
body->oa.o_flags = cksum_type_pack(cksum_type);
body->oa.o_valid = OBD_MD_FLCKSUM | OBD_MD_FLFLAGS;
- body->oa.o_cksum = ost_checksum_bulk(desc, OST_READ, cksum_type);
+ body->oa.o_cksum = ost_checksum_bulk(desc, OST_READ,cksum_type);
CDEBUG(D_PAGE,"checksum at read origin: %x\n",body->oa.o_cksum);
} else {
body->oa.o_valid = 0;
/* Check if client was evicted while we were doing i/o before touching
network */
if (rc == 0) {
- /* Check if there is eviction in progress, and if so, wait for
- * it to finish */
- if (unlikely(atomic_read(&exp->exp_obd->
- obd_evict_inprogress))) {
- lwi = LWI_INTR(NULL, NULL);
- rc = l_wait_event(exp->exp_obd->
- obd_evict_inprogress_waitq,
- !atomic_read(&exp->exp_obd->
- obd_evict_inprogress),
- &lwi);
- }
- if (exp->exp_failed)
- rc = -ENOTCONN;
- else {
- sptlrpc_svc_wrap_bulk(req, desc);
-
- rc = ptlrpc_start_bulk_transfer(desc);
- }
-
- if (rc == 0) {
- time_t start = cfs_time_current_sec();
- do {
- long timeoutl = req->rq_deadline -
- cfs_time_current_sec();
- cfs_duration_t timeout = (timeoutl <= 0 || rc) ?
- CFS_TICK : cfs_time_seconds(timeoutl);
- lwi = LWI_TIMEOUT_INTERVAL(timeout,
- cfs_time_seconds(1),
- ost_bulk_timeout,
- desc);
- rc = l_wait_event(desc->bd_waitq,
- !ptlrpc_bulk_active(desc) ||
- exp->exp_failed, &lwi);
- LASSERT(rc == 0 || rc == -ETIMEDOUT);
- /* Wait again if we changed deadline */
- } while ((rc == -ETIMEDOUT) &&
- (req->rq_deadline > cfs_time_current_sec()));
-
- if (rc == -ETIMEDOUT) {
- DEBUG_REQ(D_ERROR, req,
- "timeout on bulk PUT after %ld%+lds",
- req->rq_deadline - start,
- cfs_time_current_sec() -
- req->rq_deadline);
- ptlrpc_abort_bulk(desc);
- } else if (exp->exp_failed) {
- DEBUG_REQ(D_ERROR, req, "Eviction on bulk PUT");
- rc = -ENOTCONN;
- ptlrpc_abort_bulk(desc);
- } else if (!desc->bd_success ||
- desc->bd_nob_transferred != desc->bd_nob) {
- DEBUG_REQ(D_ERROR, req, "%s bulk PUT %d(%d)",
- desc->bd_success ?
- "truncated" : "network error on",
- desc->bd_nob_transferred,
- desc->bd_nob);
- /* XXX should this be a different errno? */
- rc = -ETIMEDOUT;
- }
- } else {
- DEBUG_REQ(D_ERROR, req, "bulk PUT failed: rc %d", rc);
- }
+ rc = target_bulk_io(exp, desc, &lwi);
no_reply = rc != 0;
}
+out_commitrw:
/* Must commit after prep above in all cases */
rc = obd_commitrw(OBD_BRW_READ, exp, &body->oa, 1, ioo,
remote_nb, npages, local_nb, oti, rc);
if (rc == 0) {
- repbody = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
- sizeof(*repbody));
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
memcpy(&repbody->oa, &body->oa, sizeof(repbody->oa));
+ ost_drop_id(exp, &repbody->oa);
}
out_lock:
ost_brw_lock_put(LCK_PR, ioo, remote_nb, &lockh);
+out_tls:
+ ost_tls_put(req);
out_bulk:
if (desc)
ptlrpc_free_bulk(desc);
struct lustre_handle lockh = {0};
struct lustre_capa *capa = NULL;
__u32 *rcs;
- __u32 size[3] = { sizeof(struct ptlrpc_body), sizeof(*body) };
int objcount, niocount, npages;
- int rc, swab, i, j;
+ int rc, i, j;
obd_count client_cksum = 0, server_cksum = 0;
cksum_type_t cksum_type = OBD_CKSUM_CRC32;
- int no_reply = 0;
+ int no_reply = 0, mmap = 0;
+ __u32 o_uid = 0, o_gid = 0;
+ struct ost_thread_local_cache *tls;
ENTRY;
req->rq_bulk_write = 1;
/* pause before transaction has been started */
OBD_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_BULK, (obd_timeout + 1) / 4);
- /* Check if there is eviction in progress, and if so, wait for it to
- * finish */
- if (unlikely(atomic_read(&exp->exp_obd->obd_evict_inprogress))) {
- lwi = LWI_INTR(NULL, NULL); // We do not care how long it takes
- rc = l_wait_event(exp->exp_obd->obd_evict_inprogress_waitq,
- !atomic_read(&exp->exp_obd->obd_evict_inprogress),
- &lwi);
- }
- if (exp->exp_failed)
- GOTO(out, rc = -ENOTCONN);
-
- swab = lustre_req_need_swab(req);
- body = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*body),
- lustre_swab_ost_body);
- if (body == NULL) {
- CERROR("Missing/short ost_body\n");
+ /* ost_body, ioobj & noibuf_remote are verified and swabbed in
+ * ost_rw_hpreq_check(). */
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
+ if (body == NULL)
GOTO(out, rc = -EFAULT);
- }
- lustre_set_req_swabbed(req, REQ_REC_OFF + 1);
- objcount = lustre_msg_buflen(req->rq_reqmsg, REQ_REC_OFF + 1) /
- sizeof(*ioo);
- if (objcount == 0) {
- CERROR("Missing/short ioobj\n");
- GOTO(out, rc = -EFAULT);
- }
- if (objcount > 1) {
- CERROR("too many ioobjs (%d)\n", objcount);
+ objcount = req_capsule_get_size(&req->rq_pill, &RMF_OBD_IOOBJ,
+ RCL_CLIENT) / sizeof(*ioo);
+ ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ);
+ if (ioo == NULL)
GOTO(out, rc = -EFAULT);
- }
- ioo = lustre_msg_buf(req->rq_reqmsg, REQ_REC_OFF + 1,
- objcount * sizeof(*ioo));
- LASSERT (ioo != NULL);
- for (niocount = i = 0; i < objcount; i++) {
- if (swab)
- lustre_swab_obd_ioobj(&ioo[i]);
- if (ioo[i].ioo_bufcnt == 0) {
- CERROR("ioo[%d] has zero bufcnt\n", i);
- GOTO(out, rc = -EFAULT);
- }
+ rc = ost_validate_obdo(exp, &body->oa, ioo);
+ if (rc)
+ RETURN(rc);
+
+ for (niocount = i = 0; i < objcount; i++)
niocount += ioo[i].ioo_bufcnt;
- }
- if (niocount > PTLRPC_MAX_BRW_PAGES) {
- DEBUG_REQ(D_ERROR, req, "bulk has too many pages (%d)",
- niocount);
+ /*
+ * It'd be nice to have a capsule function to indicate how many elements
+ * there were in a buffer for an RMF that's declared to be an array.
+ * It's easy enough to compute the number of elements here though.
+ */
+ remote_nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE);
+ if (remote_nb == NULL || niocount != (req_capsule_get_size(&req->rq_pill,
+ &RMF_NIOBUF_REMOTE, RCL_CLIENT) / sizeof(*remote_nb)))
GOTO(out, rc = -EFAULT);
- }
- remote_nb = lustre_swab_reqbuf(req, REQ_REC_OFF + 2,
- niocount * sizeof(*remote_nb),
- lustre_swab_niobuf_remote);
- if (remote_nb == NULL) {
- CERROR("Missing/short niobuf\n");
- GOTO(out, rc = -EFAULT);
- }
- if (swab) { /* swab the remaining niobufs */
- for (i = 1; i < niocount; i++)
- lustre_swab_niobuf_remote (&remote_nb[i]);
- }
+ if ((remote_nb[0].flags & OBD_BRW_MEMALLOC) &&
+ (exp->exp_connection->c_peer.nid == exp->exp_connection->c_self))
+ cfs_memory_pressure_set();
- if (body->oa.o_valid & OBD_MD_FLOSSCAPA)
- capa = lustre_unpack_capa(req->rq_reqmsg, REQ_REC_OFF + 3);
+ if (body->oa.o_valid & OBD_MD_FLOSSCAPA) {
+ capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1);
+ if (capa == NULL) {
+ CERROR("Missing capability for OST BRW WRITE");
+ GOTO(out, rc = -EFAULT);
+ }
+ }
- size[REPLY_REC_OFF + 1] = niocount * sizeof(*rcs);
- rc = lustre_pack_reply(req, 3, size, NULL);
+ req_capsule_set_size(&req->rq_pill, &RMF_RCS, RCL_SERVER,
+ niocount * sizeof(*rcs));
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc != 0)
GOTO(out, rc);
- OBD_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_PACK, obd_fail_val);
- rcs = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF + 1,
- niocount * sizeof(*rcs));
+ CFS_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_PACK, cfs_fail_val);
+ rcs = req_capsule_server_get(&req->rq_pill, &RMF_RCS);
- /*
- * Per-thread array of struct niobuf_{local,remote}'s was allocated by
- * ost_thread_init().
- */
- local_nb = ost_tls(req)->local;
+ tls = ost_tls_get(req);
+ if (tls == NULL)
+ GOTO(out_bulk, rc = -ENOMEM);
+ local_nb = tls->local;
rc = ost_brw_lock_get(LCK_PW, exp, ioo, remote_nb, &lockh);
if (rc != 0)
- GOTO(out_bulk, rc);
+ GOTO(out_tls, rc);
/*
* If getting the lock took more time than
GOTO(out_lock, rc = -ETIMEDOUT);
}
- ost_prolong_locks(exp, ioo, remote_nb,&body->oa, LCK_PW);
+ if (!lustre_handle_is_used(&lockh))
+ /* no needs to try to prolong lock if server is asked
+ * to handle locking (= OBD_BRW_SRVLOCK) */
+ ost_rw_prolong_locks(req, ioo, remote_nb,&body->oa, LCK_PW);
/* obd_preprw clobbers oa->valid, so save what we need */
if (body->oa.o_valid & OBD_MD_FLCKSUM) {
if (body->oa.o_valid & OBD_MD_FLFLAGS)
cksum_type = cksum_type_unpack(body->oa.o_flags);
}
+ if (body->oa.o_valid & OBD_MD_FLFLAGS && body->oa.o_flags & OBD_FL_MMAP)
+ mmap = 1;
/* Because we already sync grant info with client when reconnect,
* grant info will be cleared for resent req, then fed_grant and
body->oa.o_valid &= ~OBD_MD_FLGRANT;
}
+ if (exp_connect_rmtclient(exp)) {
+ o_uid = body->oa.o_uid;
+ o_gid = body->oa.o_gid;
+ }
npages = OST_THREAD_POOL_SIZE;
rc = obd_preprw(OBD_BRW_WRITE, exp, &body->oa, objcount,
ioo, remote_nb, &npages, local_nb, oti, capa);
desc = ptlrpc_prep_bulk_exp(req, npages,
BULK_GET_SINK, OST_BULK_PORTAL);
if (desc == NULL)
- GOTO(out, rc = -ENOMEM);
+ GOTO(skip_transfer, rc = -ENOMEM);
/* NB Having prepped, we must commit... */
local_nb[i].offset & ~CFS_PAGE_MASK,
local_nb[i].len);
- /* Check if client was evicted while we were doing i/o before touching
- network */
- if (desc->bd_export->exp_failed)
- rc = -ENOTCONN;
- else
- rc = ptlrpc_start_bulk_transfer (desc);
- if (rc == 0) {
- time_t start = cfs_time_current_sec();
- do {
- long timeoutl = req->rq_deadline -
- cfs_time_current_sec();
- cfs_duration_t timeout = (timeoutl <= 0 || rc) ?
- CFS_TICK : cfs_time_seconds(timeoutl);
- lwi = LWI_TIMEOUT_INTERVAL(timeout, cfs_time_seconds(1),
- ost_bulk_timeout, desc);
- rc = l_wait_event(desc->bd_waitq,
- !ptlrpc_bulk_active(desc) ||
- desc->bd_export->exp_failed, &lwi);
- LASSERT(rc == 0 || rc == -ETIMEDOUT);
- /* Wait again if we changed deadline */
- } while ((rc == -ETIMEDOUT) &&
- (req->rq_deadline > cfs_time_current_sec()));
-
- if (rc == -ETIMEDOUT) {
- DEBUG_REQ(D_ERROR, req,
- "timeout on bulk GET after %ld%+lds",
- req->rq_deadline - start,
- cfs_time_current_sec() -
- req->rq_deadline);
- ptlrpc_abort_bulk(desc);
- } else if (desc->bd_export->exp_failed) {
- DEBUG_REQ(D_ERROR, req, "Eviction on bulk GET");
- rc = -ENOTCONN;
- ptlrpc_abort_bulk(desc);
- } else if (!desc->bd_success ||
- desc->bd_nob_transferred != desc->bd_nob) {
- DEBUG_REQ(D_ERROR, req, "%s bulk GET %d(%d)",
- desc->bd_success ?
- "truncated" : "network error on",
- desc->bd_nob_transferred, desc->bd_nob);
- /* XXX should this be a different errno? */
- rc = -ETIMEDOUT;
- }
- } else {
- DEBUG_REQ(D_ERROR, req, "ptlrpc_bulk_get failed: rc %d", rc);
- }
- no_reply = rc != 0;
+ rc = sptlrpc_svc_prep_bulk(req, desc);
+ if (rc != 0)
+ GOTO(out_lock, rc);
- if (rc == 0)
- sptlrpc_svc_unwrap_bulk(req, desc);
+ rc = target_bulk_io(exp, desc, &lwi);
+ no_reply = rc != 0;
- repbody = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
- sizeof(*repbody));
+skip_transfer:
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
memcpy(&repbody->oa, &body->oa, sizeof(repbody->oa));
if (unlikely(client_cksum != 0 && rc == 0)) {
repbody->oa.o_cksum = server_cksum;
cksum_counter++;
if (unlikely(client_cksum != server_cksum)) {
- CERROR("client csum %x, server csum %x\n",
- client_cksum, server_cksum);
+ CDEBUG_LIMIT(mmap ? D_INFO : D_ERROR,
+ "client csum %x, server csum %x\n",
+ client_cksum, server_cksum);
cksum_counter = 0;
} else if ((cksum_counter & (-cksum_counter)) == cksum_counter){
CDEBUG(D_INFO, "Checksum %u from %s OK: %x\n",
/* Must commit after prep above in all cases */
rc = obd_commitrw(OBD_BRW_WRITE, exp, &repbody->oa, objcount, ioo,
remote_nb, npages, local_nb, oti, rc);
+ if (rc == -ENOTCONN)
+ /* quota acquire process has been given up because
+ * either the client has been evicted or the client
+ * has timed out the request already */
+ no_reply = 1;
+
+ if (exp_connect_rmtclient(exp)) {
+ repbody->oa.o_uid = o_uid;
+ repbody->oa.o_gid = o_gid;
+ }
- if (unlikely(client_cksum != server_cksum && rc == 0)) {
+ /*
+ * Disable sending mtime back to the client. If the client locked the
+ * whole object, then it has already updated the mtime on its side,
+ * otherwise it will have to glimpse anyway (see bug 21489, comment 32)
+ */
+ repbody->oa.o_valid &= ~(OBD_MD_FLMTIME | OBD_MD_FLATIME);
+
+ if (unlikely(client_cksum != server_cksum && rc == 0 && !mmap)) {
int new_cksum = ost_checksum_bulk(desc, OST_WRITE, cksum_type);
char *msg;
char *via;
}
LCONSOLE_ERROR_MSG(0x168, "%s: BAD WRITE CHECKSUM: %s from "
- "%s%s%s inum "LPU64"/"LPU64" object "
+ "%s%s%s inode "DFID" object "
LPU64"/"LPU64" extent ["LPU64"-"LPU64"]\n",
exp->exp_obd->obd_name, msg,
libcfs_id2str(req->rq_peer),
via, router,
body->oa.o_valid & OBD_MD_FLFID ?
- body->oa.o_fid : (__u64)0,
+ body->oa.o_parent_seq : (__u64)0,
+ body->oa.o_valid & OBD_MD_FLFID ?
+ body->oa.o_parent_oid : 0,
body->oa.o_valid & OBD_MD_FLFID ?
- body->oa.o_generation :(__u64)0,
+ body->oa.o_parent_ver : 0,
body->oa.o_id,
body->oa.o_valid & OBD_MD_FLGROUP ?
- body->oa.o_gr : (__u64)0,
+ body->oa.o_seq : (__u64)0,
local_nb[0].offset,
local_nb[npages-1].offset +
local_nb[npages-1].len - 1 );
out_lock:
ost_brw_lock_put(LCK_PW, ioo, remote_nb, &lockh);
+out_tls:
+ ost_tls_put(req);
out_bulk:
if (desc)
ptlrpc_free_bulk(desc);
exp->exp_connection->c_remote_uuid.uuid,
libcfs_id2str(req->rq_peer));
}
+ cfs_memory_pressure_clr();
RETURN(rc);
}
+/**
+ * Implementation of OST_SET_INFO.
+ *
+ * OST_SET_INFO is like ioctl(): heavily overloaded. Specifically, it takes a
+ * "key" and a value RPC buffers as arguments, with the value's contents
+ * interpreted according to the key.
+ *
+ * Value types that need swabbing have swabbing done explicitly, either here or
+ * in functions called from here. This should be corrected: all swabbing should
+ * be done in the capsule abstraction, as that will then allow us to move
+ * swabbing exclusively to the client without having to modify server code
+ * outside the capsule abstraction's implementation itself. To correct this
+ * will require minor changes to the capsule abstraction; see the comments for
+ * req_capsule_extend() in layout.c.
+ */
static int ost_set_info(struct obd_export *exp, struct ptlrpc_request *req)
{
+ struct ost_body *body = NULL, *repbody;
char *key, *val = NULL;
int keylen, vallen, rc = 0;
+ int is_grant_shrink = 0;
ENTRY;
- key = lustre_msg_buf(req->rq_reqmsg, REQ_REC_OFF, 1);
+ key = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
if (key == NULL) {
DEBUG_REQ(D_HA, req, "no set_info key");
RETURN(-EFAULT);
}
- keylen = lustre_msg_buflen(req->rq_reqmsg, REQ_REC_OFF);
+ keylen = req_capsule_get_size(&req->rq_pill, &RMF_SETINFO_KEY,
+ RCL_CLIENT);
+
+ vallen = req_capsule_get_size(&req->rq_pill, &RMF_SETINFO_VAL,
+ RCL_CLIENT);
- rc = lustre_pack_reply(req, 1, NULL, NULL);
+ if ((is_grant_shrink = KEY_IS(KEY_GRANT_SHRINK)))
+ /* In this case the value is actually an RMF_OST_BODY, so we
+ * transmutate the type of this PTLRPC */
+ req_capsule_extend(&req->rq_pill, &RQF_OST_SET_GRANT_INFO);
+
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
RETURN(rc);
- vallen = lustre_msg_buflen(req->rq_reqmsg, REQ_REC_OFF + 1);
- if (vallen)
- val = lustre_msg_buf(req->rq_reqmsg, REQ_REC_OFF + 1, 0);
+ if (vallen) {
+ if (is_grant_shrink) {
+ body = req_capsule_client_get(&req->rq_pill,
+ &RMF_OST_BODY);
+ if (!body)
+ RETURN(-EFAULT);
+
+ repbody = req_capsule_server_get(&req->rq_pill,
+ &RMF_OST_BODY);
+ memcpy(repbody, body, sizeof(*body));
+ val = (char*)repbody;
+ } else {
+ val = req_capsule_client_get(&req->rq_pill,
+ &RMF_SETINFO_VAL);
+ }
+ }
if (KEY_IS(KEY_EVICT_BY_NID)) {
if (val && vallen)
obd_export_evict_by_nid(exp->exp_obd, val);
-
GOTO(out, rc = 0);
+ } else if (KEY_IS(KEY_MDS_CONN) && ptlrpc_req_need_swab(req)) {
+ if (vallen < sizeof(__u32))
+ RETURN(-EFAULT);
+ __swab32s((__u32 *)val);
}
+ /* OBD will also check if KEY_IS(KEY_GRANT_SHRINK), and will cast val to
+ * a struct ost_body * value */
rc = obd_set_info_async(exp, keylen, key, vallen, val, NULL);
out:
lustre_msg_set_status(req->rq_repmsg, 0);
struct req_capsule *pill = &req->rq_pill;
ENTRY;
- req_capsule_set(&req->rq_pill, &RQF_OST_GET_INFO_GENERIC);
-
/* this common part for get_info rpc */
key = req_capsule_client_get(pill, &RMF_SETINFO_KEY);
if (key == NULL) {
}
keylen = req_capsule_get_size(pill, &RMF_SETINFO_KEY, RCL_CLIENT);
+ if (KEY_IS(KEY_FIEMAP)) {
+ struct ll_fiemap_info_key *fm_key = key;
+ int rc;
+
+ rc = ost_validate_obdo(exp, &fm_key->oa, NULL);
+ if (rc)
+ RETURN(rc);
+ }
+
rc = obd_get_info(exp, keylen, key, &replylen, NULL, NULL);
if (rc)
RETURN(rc);
RETURN(rc);
}
+#ifdef HAVE_QUOTA_SUPPORT
static int ost_handle_quotactl(struct ptlrpc_request *req)
{
struct obd_quotactl *oqctl, *repoqc;
- __u32 size[2] = { sizeof(struct ptlrpc_body), sizeof(*repoqc) };
int rc;
ENTRY;
- oqctl = lustre_swab_reqbuf(req, REQ_REC_OFF, sizeof(*oqctl),
- lustre_swab_obd_quotactl);
+ oqctl = req_capsule_client_get(&req->rq_pill, &RMF_OBD_QUOTACTL);
if (oqctl == NULL)
GOTO(out, rc = -EPROTO);
- rc = lustre_pack_reply(req, 2, size, NULL);
+ rc = req_capsule_server_pack(&req->rq_pill);
if (rc)
GOTO(out, rc);
- repoqc = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof(*repoqc));
-
+ repoqc = req_capsule_server_get(&req->rq_pill, &RMF_OBD_QUOTACTL);
req->rq_status = obd_quotactl(req->rq_export, oqctl);
*repoqc = *oqctl;
+
out:
RETURN(rc);
}
RETURN(-EPROTO);
rc = req_capsule_server_pack(&req->rq_pill);
- if (rc) {
- CERROR("ost: out of memory while packing quotacheck reply\n");
+ if (rc)
RETURN(-ENOMEM);
- }
req->rq_status = obd_quotacheck(req->rq_export, oqctl);
RETURN(0);
}
+static int ost_handle_quota_adjust_qunit(struct ptlrpc_request *req)
+{
+ struct quota_adjust_qunit *oqaq, *repoqa;
+ struct lustre_quota_ctxt *qctxt;
+ int rc;
+ ENTRY;
+
+ qctxt = &req->rq_export->exp_obd->u.obt.obt_qctxt;
+ oqaq = req_capsule_client_get(&req->rq_pill, &RMF_QUOTA_ADJUST_QUNIT);
+ if (oqaq == NULL)
+ GOTO(out, rc = -EPROTO);
+
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ GOTO(out, rc);
+
+ repoqa = req_capsule_server_get(&req->rq_pill, &RMF_QUOTA_ADJUST_QUNIT);
+ req->rq_status = obd_quota_adjust_qunit(req->rq_export, oqaq, qctxt, NULL);
+ *repoqa = *oqaq;
+
+ out:
+ RETURN(rc);
+}
+#endif
+
static int ost_llog_handle_connect(struct obd_export *exp,
struct ptlrpc_request *req)
{
int rc;
ENTRY;
- body = lustre_msg_buf(req->rq_reqmsg, 1, sizeof(*body));
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_CONN_BODY);
rc = obd_llog_connect(exp, body);
RETURN(rc);
}
-static int filter_export_check_flavor(struct filter_obd *filter,
- struct obd_export *exp,
- struct ptlrpc_request *req)
+#define ost_init_sec_none(reply, exp) \
+do { \
+ reply->ocd_connect_flags &= ~(OBD_CONNECT_RMT_CLIENT | \
+ OBD_CONNECT_RMT_CLIENT_FORCE | \
+ OBD_CONNECT_OSS_CAPA); \
+ cfs_spin_lock(&exp->exp_lock); \
+ exp->exp_connect_flags = reply->ocd_connect_flags; \
+ cfs_spin_unlock(&exp->exp_lock); \
+} while (0)
+
+static int ost_init_sec_level(struct ptlrpc_request *req)
{
- int rc = 0;
-
- /* FIXME
- * this should be done in filter_connect()/filter_reconnect(), but
- * we can't obtain information like NID, which stored in incoming
- * request, thus can't decide what flavor to use. so we do it here.
- *
- * This hack should be removed after the OST stack be rewritten, just
- * like what we are doing in mdt_obd_connect()/mdt_obd_reconnect().
- */
- if (exp->exp_flvr.sf_rpc != SPTLRPC_FLVR_INVALID)
- return 0;
+ struct obd_export *exp = req->rq_export;
+ struct req_capsule *pill = &req->rq_pill;
+ struct obd_device *obd = exp->exp_obd;
+ struct filter_obd *filter = &obd->u.filter;
+ char *client = libcfs_nid2str(req->rq_peer.nid);
+ struct obd_connect_data *data, *reply;
+ int rc = 0, remote;
+ ENTRY;
+
+ data = req_capsule_client_get(pill, &RMF_CONNECT_DATA);
+ reply = req_capsule_server_get(pill, &RMF_CONNECT_DATA);
+ if (data == NULL || reply == NULL)
+ RETURN(-EFAULT);
+
+ /* connection from MDT is always trusted */
+ if (req->rq_auth_usr_mdt) {
+ ost_init_sec_none(reply, exp);
+ RETURN(0);
+ }
+
+ /* no GSS support case */
+ if (!req->rq_auth_gss) {
+ if (filter->fo_sec_level > LUSTRE_SEC_NONE) {
+ CWARN("client %s -> target %s does not user GSS, "
+ "can not run under security level %d.\n",
+ client, obd->obd_name, filter->fo_sec_level);
+ RETURN(-EACCES);
+ } else {
+ ost_init_sec_none(reply, exp);
+ RETURN(0);
+ }
+ }
- CDEBUG(D_SEC, "from %s\n", sptlrpc_part2name(req->rq_sp_from));
- spin_lock(&exp->exp_lock);
- exp->exp_sp_peer = req->rq_sp_from;
+ /* old version case */
+ if (unlikely(!(data->ocd_connect_flags & OBD_CONNECT_RMT_CLIENT) ||
+ !(data->ocd_connect_flags & OBD_CONNECT_OSS_CAPA))) {
+ if (filter->fo_sec_level > LUSTRE_SEC_NONE) {
+ CWARN("client %s -> target %s uses old version, "
+ "can not run under security level %d.\n",
+ client, obd->obd_name, filter->fo_sec_level);
+ RETURN(-EACCES);
+ } else {
+ CWARN("client %s -> target %s uses old version, "
+ "run under security level %d.\n",
+ client, obd->obd_name, filter->fo_sec_level);
+ ost_init_sec_none(reply, exp);
+ RETURN(0);
+ }
+ }
+
+ remote = data->ocd_connect_flags & OBD_CONNECT_RMT_CLIENT_FORCE;
+ if (remote) {
+ if (!req->rq_auth_remote)
+ CDEBUG(D_SEC, "client (local realm) %s -> target %s "
+ "asked to be remote.\n", client, obd->obd_name);
+ } else if (req->rq_auth_remote) {
+ remote = 1;
+ CDEBUG(D_SEC, "client (remote realm) %s -> target %s is set "
+ "as remote by default.\n", client, obd->obd_name);
+ }
+
+ if (remote) {
+ if (!filter->fo_fl_oss_capa) {
+ CDEBUG(D_SEC, "client %s -> target %s is set as remote,"
+ " but OSS capabilities are not enabled: %d.\n",
+ client, obd->obd_name, filter->fo_fl_oss_capa);
+ RETURN(-EACCES);
+ }
+ }
+
+ switch (filter->fo_sec_level) {
+ case LUSTRE_SEC_NONE:
+ if (!remote) {
+ ost_init_sec_none(reply, exp);
+ break;
+ } else {
+ CDEBUG(D_SEC, "client %s -> target %s is set as remote, "
+ "can not run under security level %d.\n",
+ client, obd->obd_name, filter->fo_sec_level);
+ RETURN(-EACCES);
+ }
+ case LUSTRE_SEC_REMOTE:
+ if (!remote)
+ ost_init_sec_none(reply, exp);
+ break;
+ case LUSTRE_SEC_ALL:
+ if (!remote) {
+ reply->ocd_connect_flags &= ~(OBD_CONNECT_RMT_CLIENT |
+ OBD_CONNECT_RMT_CLIENT_FORCE);
+ if (!filter->fo_fl_oss_capa)
+ reply->ocd_connect_flags &= ~OBD_CONNECT_OSS_CAPA;
+
+ cfs_spin_lock(&exp->exp_lock);
+ exp->exp_connect_flags = reply->ocd_connect_flags;
+ cfs_spin_unlock(&exp->exp_lock);
+ }
+ break;
+ default:
+ RETURN(-EINVAL);
+ }
- read_lock(&filter->fo_sptlrpc_lock);
- sptlrpc_rule_set_choose(&filter->fo_sptlrpc_rset, exp->exp_sp_peer,
- req->rq_peer.nid, &exp->exp_flvr);
- read_unlock(&filter->fo_sptlrpc_lock);
+ RETURN(rc);
+}
- if (exp->exp_flvr.sf_rpc != req->rq_flvr.sf_rpc) {
- CERROR("invalid rpc flavor %x, expect %x, from %s\n",
- req->rq_flvr.sf_rpc, exp->exp_flvr.sf_rpc,
- libcfs_nid2str(req->rq_peer.nid));
- exp->exp_flvr.sf_rpc = SPTLRPC_FLVR_INVALID;
- rc = -EACCES;
+/*
+ * FIXME
+ * this should be done in filter_connect()/filter_reconnect(), but
+ * we can't obtain information like NID, which stored in incoming
+ * request, thus can't decide what flavor to use. so we do it here.
+ *
+ * This hack should be removed after the OST stack be rewritten, just
+ * like what we are doing in mdt_obd_connect()/mdt_obd_reconnect().
+ */
+static int ost_connect_check_sptlrpc(struct ptlrpc_request *req)
+{
+ struct obd_export *exp = req->rq_export;
+ struct filter_obd *filter = &exp->exp_obd->u.filter;
+ struct sptlrpc_flavor flvr;
+ int rc = 0;
+
+ if (unlikely(strcmp(exp->exp_obd->obd_type->typ_name,
+ LUSTRE_ECHO_NAME) == 0)) {
+ exp->exp_flvr.sf_rpc = SPTLRPC_FLVR_ANY;
+ return 0;
}
- spin_unlock(&exp->exp_lock);
+ if (exp->exp_flvr.sf_rpc == SPTLRPC_FLVR_INVALID) {
+ cfs_read_lock(&filter->fo_sptlrpc_lock);
+ sptlrpc_target_choose_flavor(&filter->fo_sptlrpc_rset,
+ req->rq_sp_from,
+ req->rq_peer.nid,
+ &flvr);
+ cfs_read_unlock(&filter->fo_sptlrpc_lock);
+
+ cfs_spin_lock(&exp->exp_lock);
+
+ exp->exp_sp_peer = req->rq_sp_from;
+ exp->exp_flvr = flvr;
+
+ if (exp->exp_flvr.sf_rpc != SPTLRPC_FLVR_ANY &&
+ exp->exp_flvr.sf_rpc != req->rq_flvr.sf_rpc) {
+ CERROR("unauthorized rpc flavor %x from %s, "
+ "expect %x\n", req->rq_flvr.sf_rpc,
+ libcfs_nid2str(req->rq_peer.nid),
+ exp->exp_flvr.sf_rpc);
+ rc = -EACCES;
+ }
+
+ cfs_spin_unlock(&exp->exp_lock);
+ } else {
+ if (exp->exp_sp_peer != req->rq_sp_from) {
+ CERROR("RPC source %s doesn't match %s\n",
+ sptlrpc_part2name(req->rq_sp_from),
+ sptlrpc_part2name(exp->exp_sp_peer));
+ rc = -EACCES;
+ } else {
+ rc = sptlrpc_target_export_check(exp, req);
+ }
+ }
return rc;
}
+/* Ensure that data and metadata are synced to the disk when lock is cancelled
+ * (if requested) */
+int ost_blocking_ast(struct ldlm_lock *lock,
+ struct ldlm_lock_desc *desc,
+ void *data, int flag)
+{
+ __u32 sync_lock_cancel = 0;
+ __u32 len = sizeof(sync_lock_cancel);
+ int rc = 0;
+ ENTRY;
+
+ rc = obd_get_info(lock->l_export, sizeof(KEY_SYNC_LOCK_CANCEL),
+ KEY_SYNC_LOCK_CANCEL, &len, &sync_lock_cancel, NULL);
+
+ if (!rc && flag == LDLM_CB_CANCELING &&
+ (lock->l_granted_mode & (LCK_PW|LCK_GROUP)) &&
+ (sync_lock_cancel == ALWAYS_SYNC_ON_CANCEL ||
+ (sync_lock_cancel == BLOCKING_SYNC_ON_CANCEL &&
+ lock->l_flags & LDLM_FL_CBPENDING))) {
+ struct obd_info *oinfo;
+ struct obdo *oa;
+ int rc;
+
+ OBD_ALLOC_PTR(oinfo);
+ if (!oinfo)
+ RETURN(-ENOMEM);
+ OBDO_ALLOC(oa);
+ if (!oa) {
+ OBD_FREE_PTR(oinfo);
+ RETURN(-ENOMEM);
+ }
+ oa->o_id = lock->l_resource->lr_name.name[0];
+ oa->o_seq = lock->l_resource->lr_name.name[1];
+ oa->o_valid = OBD_MD_FLID|OBD_MD_FLGROUP;
+ oinfo->oi_oa = oa;
+
+ rc = obd_sync(lock->l_export, oinfo,
+ lock->l_policy_data.l_extent.start,
+ lock->l_policy_data.l_extent.end, NULL);
+ if (rc)
+ CERROR("Error %d syncing data on lock cancel\n", rc);
+
+ OBDO_FREE(oa);
+ OBD_FREE_PTR(oinfo);
+ }
+
+ rc = ldlm_server_blocking_ast(lock, desc, data, flag);
+ RETURN(rc);
+}
+
static int ost_filter_recovery_request(struct ptlrpc_request *req,
struct obd_device *obd, int *process)
{
case OST_SYNC:
case OST_SET_INFO:
case OST_GET_INFO:
+#ifdef HAVE_QUOTA_SUPPORT
case OST_QUOTACHECK:
case OST_QUOTACTL:
+ case OST_QUOTA_ADJUST_QUNIT:
+#endif
rc = lustre_msg_check_version(msg, LUSTRE_OST_VERSION);
if (rc)
CERROR("bad opc %u version %08x, expecting %08x\n",
return rc;
}
+/**
+ * Returns 1 if the given PTLRPC matches the given LDLM locks, or 0 if it does
+ * not.
+ */
+static int ost_rw_hpreq_lock_match(struct ptlrpc_request *req,
+ struct ldlm_lock *lock)
+{
+ struct niobuf_remote *nb;
+ struct obd_ioobj *ioo;
+ struct ost_body *body;
+ int objcount, niocount;
+ int mode, opc, i, rc;
+ __u64 start, end;
+ ENTRY;
+
+ opc = lustre_msg_get_opc(req->rq_reqmsg);
+ LASSERT(opc == OST_READ || opc == OST_WRITE);
+
+ /* As the request may be covered by several locks, do not look at
+ * o_handle, look at the RPC IO region. */
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
+ if (body == NULL)
+ RETURN(0);
+
+ objcount = req_capsule_get_size(&req->rq_pill, &RMF_OBD_IOOBJ,
+ RCL_CLIENT) / sizeof(*ioo);
+ ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ);
+ if (ioo == NULL)
+ RETURN(0);
+
+ rc = ost_validate_obdo(req->rq_export, &body->oa, ioo);
+ if (rc)
+ RETURN(rc);
+
+ for (niocount = i = 0; i < objcount; i++)
+ niocount += ioo[i].ioo_bufcnt;
+
+ nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE);
+ if (nb == NULL ||
+ niocount != (req_capsule_get_size(&req->rq_pill, &RMF_NIOBUF_REMOTE,
+ RCL_CLIENT) / sizeof(*nb)))
+ RETURN(0);
+
+ mode = LCK_PW;
+ if (opc == OST_READ)
+ mode |= LCK_PR;
+
+ start = nb[0].offset & CFS_PAGE_MASK;
+ end = (nb[ioo->ioo_bufcnt - 1].offset +
+ nb[ioo->ioo_bufcnt - 1].len - 1) | ~CFS_PAGE_MASK;
+
+ LASSERT(lock->l_resource != NULL);
+ if (!osc_res_name_eq(ioo->ioo_id, ioo->ioo_seq,
+ &lock->l_resource->lr_name))
+ RETURN(0);
+
+ if (!(lock->l_granted_mode & mode))
+ RETURN(0);
+
+ if (lock->l_policy_data.l_extent.end < start ||
+ lock->l_policy_data.l_extent.start > end)
+ RETURN(0);
+
+ RETURN(1);
+}
+
+/**
+ * High-priority queue request check for whether the given PTLRPC request (\a
+ * req) is blocking an LDLM lock cancel.
+ *
+ * Returns 1 if the given given PTLRPC request (\a req) is blocking an LDLM lock
+ * cancel, 0 if it is not, and -EFAULT if the request is malformed.
+ *
+ * Only OST_READs, OST_WRITEs and OST_PUNCHes go on the h-p RPC queue. This
+ * function looks only at OST_READs and OST_WRITEs.
+ */
+static int ost_rw_hpreq_check(struct ptlrpc_request *req)
+{
+ struct niobuf_remote *nb;
+ struct obd_ioobj *ioo;
+ struct ost_body *body;
+ int objcount, niocount;
+ int mode, opc, i, rc;
+ ENTRY;
+
+ opc = lustre_msg_get_opc(req->rq_reqmsg);
+ LASSERT(opc == OST_READ || opc == OST_WRITE);
+
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
+ if (body == NULL)
+ RETURN(-EFAULT);
+
+ objcount = req_capsule_get_size(&req->rq_pill, &RMF_OBD_IOOBJ,
+ RCL_CLIENT) / sizeof(*ioo);
+ ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ);
+ if (ioo == NULL)
+ RETURN(-EFAULT);
+
+ rc = ost_validate_obdo(req->rq_export, &body->oa, ioo);
+ if (rc)
+ RETURN(rc);
+
+ for (niocount = i = 0; i < objcount; i++)
+ niocount += ioo[i].ioo_bufcnt;
+ nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE);
+ if (nb == NULL ||
+ niocount != (req_capsule_get_size(&req->rq_pill, &RMF_NIOBUF_REMOTE,
+ RCL_CLIENT) / sizeof(*nb)))
+ RETURN(-EFAULT);
+ if (niocount != 0 && (nb[0].flags & OBD_BRW_SRVLOCK))
+ RETURN(-EFAULT);
+
+ mode = LCK_PW;
+ if (opc == OST_READ)
+ mode |= LCK_PR;
+ RETURN(ost_rw_prolong_locks(req, ioo, nb, &body->oa, mode));
+}
+
+static int ost_punch_prolong_locks(struct ptlrpc_request *req, struct obdo *oa)
+{
+ struct ldlm_res_id res_id = { .name = { oa->o_id } };
+ struct ost_prolong_data opd = { 0 };
+ __u64 start, end;
+ ENTRY;
+
+ start = oa->o_size;
+ end = start + oa->o_blocks;
+
+ opd.opd_mode = LCK_PW;
+ opd.opd_exp = req->rq_export;
+ opd.opd_policy.l_extent.start = start & CFS_PAGE_MASK;
+ if (oa->o_blocks == OBD_OBJECT_EOF || end < start)
+ opd.opd_policy.l_extent.end = OBD_OBJECT_EOF;
+ else
+ opd.opd_policy.l_extent.end = end | ~CFS_PAGE_MASK;
+
+ /* prolong locks for the current service time of the corresponding
+ * portal (= OST_IO_PORTAL) */
+ opd.opd_timeout = AT_OFF ? obd_timeout / 2:
+ max(at_est2timeout(at_get(&req->rq_rqbd->
+ rqbd_service->srv_at_estimate)), ldlm_timeout);
+
+ CDEBUG(D_DLMTRACE,"refresh locks: "LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
+ res_id.name[0], res_id.name[1], opd.opd_policy.l_extent.start,
+ opd.opd_policy.l_extent.end);
+
+ opd.opd_oa = oa;
+ ldlm_resource_iterate(req->rq_export->exp_obd->obd_namespace, &res_id,
+ ost_prolong_locks_iter, &opd);
+ RETURN(opd.opd_lock_match);
+}
+
+/**
+ * Like ost_rw_hpreq_lock_match(), but for OST_PUNCH RPCs.
+ */
+static int ost_punch_hpreq_lock_match(struct ptlrpc_request *req,
+ struct ldlm_lock *lock)
+{
+ struct ost_body *body;
+ int rc;
+ ENTRY;
+
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
+ if (body == NULL)
+ RETURN(0); /* can't return -EFAULT here */
+
+ rc = ost_validate_obdo(req->rq_export, &body->oa, NULL);
+ if (rc)
+ RETURN(rc);
+
+ if (body->oa.o_valid & OBD_MD_FLHANDLE &&
+ body->oa.o_handle.cookie == lock->l_handle.h_cookie)
+ RETURN(1);
+ RETURN(0);
+}
+
+/**
+ * Like ost_rw_hpreq_check(), but for OST_PUNCH RPCs.
+ */
+static int ost_punch_hpreq_check(struct ptlrpc_request *req)
+{
+ struct ost_body *body;
+ int rc;
+
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
+ if (body == NULL)
+ RETURN(-EFAULT);
+
+ rc = ost_validate_obdo(req->rq_export, &body->oa, NULL);
+ if (rc)
+ RETURN(rc);
+
+ LASSERT(!(body->oa.o_valid & OBD_MD_FLFLAGS) ||
+ !(body->oa.o_flags & OBD_FL_SRVLOCK));
+
+ RETURN(ost_punch_prolong_locks(req, &body->oa));
+}
+
+struct ptlrpc_hpreq_ops ost_hpreq_rw = {
+ .hpreq_lock_match = ost_rw_hpreq_lock_match,
+ .hpreq_check = ost_rw_hpreq_check,
+};
+
+struct ptlrpc_hpreq_ops ost_hpreq_punch = {
+ .hpreq_lock_match = ost_punch_hpreq_lock_match,
+ .hpreq_check = ost_punch_hpreq_check,
+};
+
+/** Assign high priority operations to the request if needed. */
+static int ost_hpreq_handler(struct ptlrpc_request *req)
+{
+ ENTRY;
+ if (req->rq_export) {
+ int opc = lustre_msg_get_opc(req->rq_reqmsg);
+ struct ost_body *body;
+
+ if (opc == OST_READ || opc == OST_WRITE) {
+ struct niobuf_remote *nb;
+ struct obd_ioobj *ioo;
+ int objcount, niocount;
+ int i;
+
+ /* RPCs on the H-P queue can be inspected before
+ * ost_handler() initializes their pills, so we
+ * initialize that here. Capsule initialization is
+ * idempotent, as is setting the pill's format (provided
+ * it doesn't change).
+ */
+ req_capsule_init(&req->rq_pill, req, RCL_SERVER);
+ if (opc == OST_READ)
+ req_capsule_set(&req->rq_pill,
+ &RQF_OST_BRW_READ);
+ else
+ req_capsule_set(&req->rq_pill,
+ &RQF_OST_BRW_WRITE);
+
+ body = req_capsule_client_get(&req->rq_pill,
+ &RMF_OST_BODY);
+ if (body == NULL) {
+ CERROR("Missing/short ost_body\n");
+ RETURN(-EFAULT);
+ }
+
+ objcount = req_capsule_get_size(&req->rq_pill,
+ &RMF_OBD_IOOBJ,
+ RCL_CLIENT) /
+ sizeof(*ioo);
+ if (objcount == 0) {
+ CERROR("Missing/short ioobj\n");
+ RETURN(-EFAULT);
+ }
+ if (objcount > 1) {
+ CERROR("too many ioobjs (%d)\n", objcount);
+ RETURN(-EFAULT);
+ }
+
+ ioo = req_capsule_client_get(&req->rq_pill,
+ &RMF_OBD_IOOBJ);
+ if (ioo == NULL) {
+ CERROR("Missing/short ioobj\n");
+ RETURN(-EFAULT);
+ }
+
+ for (niocount = i = 0; i < objcount; i++) {
+ if (ioo[i].ioo_bufcnt == 0) {
+ CERROR("ioo[%d] has zero bufcnt\n", i);
+ RETURN(-EFAULT);
+ }
+ niocount += ioo[i].ioo_bufcnt;
+ }
+ if (niocount > PTLRPC_MAX_BRW_PAGES) {
+ DEBUG_REQ(D_RPCTRACE, req,
+ "bulk has too many pages (%d)",
+ niocount);
+ RETURN(-EFAULT);
+ }
+
+ nb = req_capsule_client_get(&req->rq_pill,
+ &RMF_NIOBUF_REMOTE);
+ if (nb == NULL) {
+ CERROR("Missing/short niobuf\n");
+ RETURN(-EFAULT);
+ }
+
+ if (niocount == 0 || !(nb[0].flags & OBD_BRW_SRVLOCK))
+ req->rq_ops = &ost_hpreq_rw;
+ } else if (opc == OST_PUNCH) {
+ req_capsule_init(&req->rq_pill, req, RCL_SERVER);
+ req_capsule_set(&req->rq_pill, &RQF_OST_PUNCH);
+
+ body = req_capsule_client_get(&req->rq_pill,
+ &RMF_OST_BODY);
+ if (body == NULL) {
+ CERROR("Missing/short ost_body\n");
+ RETURN(-EFAULT);
+ }
+
+ if (!(body->oa.o_valid & OBD_MD_FLFLAGS) ||
+ !(body->oa.o_flags & OBD_FL_SRVLOCK))
+ req->rq_ops = &ost_hpreq_punch;
+ }
+ }
+ RETURN(0);
+}
+
/* TODO: handle requests in a similar way as MDT: see mdt_handle_common() */
int ost_handle(struct ptlrpc_request *req)
{
req_capsule_init(&req->rq_pill, req, RCL_SERVER);
- /* XXX identical to MDS */
if (lustre_msg_get_opc(req->rq_reqmsg) != OST_CONNECT) {
- int recovering;
-
- if (req->rq_export == NULL) {
+ if (!class_connected_export(req->rq_export)) {
CDEBUG(D_HA,"operation %d on unconnected OST from %s\n",
lustre_msg_get_opc(req->rq_reqmsg),
libcfs_id2str(req->rq_peer));
obd = req->rq_export->exp_obd;
/* Check for aborted recovery. */
- spin_lock_bh(&obd->obd_processing_task_lock);
- recovering = obd->obd_recovering;
- spin_unlock_bh(&obd->obd_processing_task_lock);
- if (recovering) {
+ if (obd->obd_recovering) {
rc = ost_filter_recovery_request(req, obd,
&should_process);
if (rc || !should_process)
if (OBD_FAIL_CHECK(OBD_FAIL_OST_CONNECT_NET2))
RETURN(0);
if (!rc) {
- struct obd_export *exp = req->rq_export;
-
- obd = exp->exp_obd;
-
- rc = filter_export_check_flavor(&obd->u.filter,
- exp, req);
+ rc = ost_init_sec_level(req);
+ if (!rc)
+ rc = ost_connect_check_sptlrpc(req);
}
break;
}
break;
case OST_CREATE:
CDEBUG(D_INODE, "create\n");
+ req_capsule_set(&req->rq_pill, &RQF_OST_CREATE);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_CREATE_NET))
RETURN(0);
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOSPC))
- GOTO(out, rc = -ENOSPC);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_EROFS))
GOTO(out, rc = -EROFS);
rc = ost_create(req->rq_export, req, oti);
break;
case OST_DESTROY:
CDEBUG(D_INODE, "destroy\n");
+ req_capsule_set(&req->rq_pill, &RQF_OST_DESTROY);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_DESTROY_NET))
RETURN(0);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_EROFS))
break;
case OST_GETATTR:
CDEBUG(D_INODE, "getattr\n");
+ req_capsule_set(&req->rq_pill, &RQF_OST_GETATTR);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_GETATTR_NET))
RETURN(0);
rc = ost_getattr(req->rq_export, req);
break;
case OST_SETATTR:
CDEBUG(D_INODE, "setattr\n");
+ req_capsule_set(&req->rq_pill, &RQF_OST_SETATTR);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_SETATTR_NET))
RETURN(0);
rc = ost_setattr(req->rq_export, req, oti);
break;
case OST_WRITE:
+ req_capsule_set(&req->rq_pill, &RQF_OST_BRW_WRITE);
CDEBUG(D_INODE, "write\n");
/* req->rq_request_portal would be nice, if it was set */
if (req->rq_rqbd->rqbd_service->srv_req_portal !=OST_IO_PORTAL){
/* ost_brw_write sends its own replies */
RETURN(rc);
case OST_READ:
+ req_capsule_set(&req->rq_pill, &RQF_OST_BRW_READ);
CDEBUG(D_INODE, "read\n");
/* req->rq_request_portal would be nice, if it was set */
if (req->rq_rqbd->rqbd_service->srv_req_portal !=OST_IO_PORTAL){
RETURN(rc);
case OST_PUNCH:
CDEBUG(D_INODE, "punch\n");
+ req_capsule_set(&req->rq_pill, &RQF_OST_PUNCH);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_PUNCH_NET))
RETURN(0);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_EROFS))
break;
case OST_STATFS:
CDEBUG(D_INODE, "statfs\n");
+ req_capsule_set(&req->rq_pill, &RQF_OST_STATFS);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_STATFS_NET))
RETURN(0);
rc = ost_statfs(req);
break;
case OST_SYNC:
CDEBUG(D_INODE, "sync\n");
+ req_capsule_set(&req->rq_pill, &RQF_OST_SYNC);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_SYNC_NET))
RETURN(0);
rc = ost_sync(req->rq_export, req);
break;
case OST_SET_INFO:
DEBUG_REQ(D_INODE, req, "set_info");
- req_capsule_set(&req->rq_pill, &RQF_OST_SET_INFO);
+ req_capsule_set(&req->rq_pill, &RQF_OBD_SET_INFO);
rc = ost_set_info(req->rq_export, req);
break;
case OST_GET_INFO:
DEBUG_REQ(D_INODE, req, "get_info");
+ req_capsule_set(&req->rq_pill, &RQF_OST_GET_INFO_GENERIC);
rc = ost_get_info(req->rq_export, req);
break;
+#ifdef HAVE_QUOTA_SUPPORT
case OST_QUOTACHECK:
CDEBUG(D_INODE, "quotacheck\n");
req_capsule_set(&req->rq_pill, &RQF_OST_QUOTACHECK);
RETURN(0);
rc = ost_handle_quotactl(req);
break;
+ case OST_QUOTA_ADJUST_QUNIT:
+ CDEBUG(D_INODE, "quota_adjust_qunit\n");
+ req_capsule_set(&req->rq_pill, &RQF_OST_QUOTA_ADJUST_QUNIT);
+ rc = ost_handle_quota_adjust_qunit(req);
+ break;
+#endif
case OBD_PING:
DEBUG_REQ(D_INODE, req, "ping");
req_capsule_set(&req->rq_pill, &RQF_OBD_PING);
if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_ENQUEUE))
RETURN(0);
rc = ldlm_handle_enqueue(req, ldlm_server_completion_ast,
- ldlm_server_blocking_ast,
+ ost_blocking_ast,
ldlm_server_glimpse_ast);
fail = OBD_FAIL_OST_LDLM_REPLY_NET;
break;
int rc;
ENTRY;
- rc = cleanup_group_info();
+ rc = cfs_cleanup_group_info();
if (rc)
RETURN(rc);
lprocfs_ost_init_vars(&lvars);
lprocfs_obd_setup(obd, lvars.obd_vars);
- sema_init(&ost->ost_health_sem, 1);
+ cfs_sema_init(&ost->ost_health_sem, 1);
if (oss_num_threads) {
/* If oss_num_threads is set, it is the min and the max. */
oss_max_threads = oss_min_threads = oss_num_threads;
} else {
/* Base min threads on memory and cpus */
- oss_min_threads = num_possible_cpus() * num_physpages >>
+ oss_min_threads =
+ cfs_num_possible_cpus() * CFS_NUM_CACHEPAGES >>
(27 - CFS_PAGE_SHIFT);
if (oss_min_threads < OSS_THREADS_MIN)
oss_min_threads = OSS_THREADS_MIN;
/* Insure a 4x range for dynamic threads */
if (oss_min_threads > OSS_THREADS_MAX / 4)
oss_min_threads = OSS_THREADS_MAX / 4;
- oss_max_threads = min(OSS_THREADS_MAX, oss_min_threads * 4);
+ oss_max_threads = min(OSS_THREADS_MAX, oss_min_threads * 4 + 1);
}
ost->ost_service =
ost_handle, LUSTRE_OSS_NAME,
obd->obd_proc_entry, target_print_req,
oss_min_threads, oss_max_threads,
- "ll_ost", LCT_DT_THREAD);
+ "ll_ost", LCT_DT_THREAD, NULL);
if (ost->ost_service == NULL) {
CERROR("failed to start service\n");
GOTO(out_lprocfs, rc = -ENOMEM);
}
- rc = ptlrpc_start_threads(obd, ost->ost_service);
+ rc = ptlrpc_start_threads(ost->ost_service);
if (rc)
GOTO(out_service, rc = -EINVAL);
ost_handle, "ost_create",
obd->obd_proc_entry, target_print_req,
oss_min_create_threads, oss_max_create_threads,
- "ll_ost_creat", LCT_DT_THREAD);
+ "ll_ost_creat", LCT_DT_THREAD, NULL);
if (ost->ost_create_service == NULL) {
CERROR("failed to start OST create service\n");
GOTO(out_service, rc = -ENOMEM);
}
- rc = ptlrpc_start_threads(obd, ost->ost_create_service);
+ rc = ptlrpc_start_threads(ost->ost_create_service);
if (rc)
GOTO(out_create, rc = -EINVAL);
ost_handle, "ost_io",
obd->obd_proc_entry, target_print_req,
oss_min_threads, oss_max_threads,
- "ll_ost_io", LCT_DT_THREAD);
+ "ll_ost_io", LCT_DT_THREAD, ost_hpreq_handler);
if (ost->ost_io_service == NULL) {
CERROR("failed to start OST I/O service\n");
GOTO(out_create, rc = -ENOMEM);
ost->ost_io_service->srv_init = ost_thread_init;
ost->ost_io_service->srv_done = ost_thread_done;
ost->ost_io_service->srv_cpu_affinity = 1;
- rc = ptlrpc_start_threads(obd, ost->ost_io_service);
+ rc = ptlrpc_start_threads(ost->ost_io_service);
if (rc)
GOTO(out_io, rc = -EINVAL);
ping_evictor_stop();
- spin_lock_bh(&obd->obd_processing_task_lock);
- if (obd->obd_recovering) {
- target_cancel_recovery_timer(obd);
- obd->obd_recovering = 0;
- }
- spin_unlock_bh(&obd->obd_processing_task_lock);
-
- down(&ost->ost_health_sem);
+ /* there is no recovery for OST OBD, all recovery is controlled by
+ * obdfilter OBD */
+ LASSERT(obd->obd_recovering == 0);
+ cfs_down(&ost->ost_health_sem);
ptlrpc_unregister_service(ost->ost_service);
ptlrpc_unregister_service(ost->ost_create_service);
ptlrpc_unregister_service(ost->ost_io_service);
ost->ost_service = NULL;
ost->ost_create_service = NULL;
- up(&ost->ost_health_sem);
+ cfs_up(&ost->ost_health_sem);
lprocfs_obd_cleanup(obd);
struct ost_obd *ost = &obd->u.ost;
int rc = 0;
- down(&ost->ost_health_sem);
+ cfs_down(&ost->ost_health_sem);
rc |= ptlrpc_service_health_check(ost->ost_service);
rc |= ptlrpc_service_health_check(ost->ost_create_service);
rc |= ptlrpc_service_health_check(ost->ost_io_service);
- up(&ost->ost_health_sem);
+ cfs_up(&ost->ost_health_sem);
/*
* health_check to return 0 on healthy
git://git.whamcloud.com / fs / lustre-release.git / blobdiff