*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/ost/ost_handler.c
- *
- * Author: Peter J. Braam <braam@clusterfs.com>
- * Author: Phil Schwan <phil@clusterfs.com>
- */
-
-#define DEBUG_SUBSYSTEM S_OST
-
-#include <linux/module.h>
-#include <obd_cksum.h>
-#include <obd_ost.h>
-#include <lustre_net.h>
-#include <lustre_dlm.h>
-#include <lustre_export.h>
-#include <lustre_debug.h>
-#include <linux/init.h>
-#include <lprocfs_status.h>
-#include <libcfs/list.h>
-#include <lustre_quota.h>
-#include "ost_internal.h"
-
-static int oss_num_threads;
-CFS_MODULE_PARM(oss_num_threads, "i", int, 0444,
- "number of OSS service threads to start");
-
-static int ost_num_threads;
-CFS_MODULE_PARM(ost_num_threads, "i", int, 0444,
- "number of OST service threads to start (deprecated)");
-
-static int oss_num_create_threads;
-CFS_MODULE_PARM(oss_num_create_threads, "i", int, 0444,
- "number of OSS create threads to start");
-
-static char *oss_cpts;
-CFS_MODULE_PARM(oss_cpts, "s", charp, 0444,
- "CPU partitions OSS threads should run on");
-
-static char *oss_io_cpts;
-CFS_MODULE_PARM(oss_io_cpts, "s", charp, 0444,
- "CPU partitions OSS IO threads should run on");
-
-/**
- * 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_mdt0(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;
- int i;
-
- if (oti == NULL)
- return;
-
- 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??? */
- for (ack_lock = oti->oti_ack_locks, i = 0; i < 4; i++, ack_lock++) {
- if (!ack_lock->mode)
- break;
- /* XXX not even calling target_send_reply in some cases... */
- ptlrpc_save_lock (req, &ack_lock->lock, ack_lock->mode, 0);
- }
-}
-
-static int ost_destroy(struct obd_export *exp, struct ptlrpc_request *req,
- struct obd_trans_info *oti)
-{
- struct ost_body *body, *repbody;
- struct lustre_capa *capa = NULL;
- int rc;
- ENTRY;
-
- /* 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);
-
- 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 = req_capsule_client_get(&req->rq_pill, &RMF_DLM_REQ);
- if (dlm == NULL)
- RETURN (-EFAULT);
- ldlm_request_cancel(req, dlm, 0);
- }
-
- /* 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;
-
- /* Finish the reply */
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- memcpy(&repbody->oa, &body->oa, sizeof(body->oa));
-
- /* Do the destroy and set the reply status accordingly */
- req->rq_status = obd_destroy(req->rq_svc_thread->t_env, exp,
- &repbody->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;
- struct lustre_handle lh = { 0 };
- struct lustre_capa *capa = NULL;
- int rc;
- ENTRY;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
-
- 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 GETATTR");
- RETURN(-EFAULT);
- }
- }
-
- 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;
-
- rc = ost_lock_get(exp, &repbody->oa, 0, OBD_OBJECT_EOF, &lh, LCK_PR, 0);
- if (rc)
- RETURN(rc);
-
- OBD_ALLOC_PTR(oinfo);
- if (!oinfo)
- GOTO(unlock, rc = -ENOMEM);
- oinfo->oi_oa = &repbody->oa;
- oinfo->oi_capa = capa;
-
- req->rq_status = obd_getattr(req->rq_svc_thread->t_env, exp, oinfo);
-
- OBD_FREE_PTR(oinfo);
-
- ost_drop_id(exp, &repbody->oa);
-
-unlock:
- ost_lock_put(exp, &lh, LCK_PR);
- RETURN(rc);
-}
-
-static int ost_statfs(struct ptlrpc_request *req)
-{
- struct obd_statfs *osfs;
- int rc;
- ENTRY;
-
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- RETURN(rc);
-
- osfs = req_capsule_server_get(&req->rq_pill, &RMF_OBD_STATFS);
-
- req->rq_status = obd_statfs(req->rq_svc_thread->t_env, req->rq_export,
- osfs,
- cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
- 0);
- if (req->rq_status != 0)
- CERROR("ost: statfs failed: rc %d\n", req->rq_status);
-
- RETURN(0);
-}
-
-static int ost_create(struct obd_export *exp, struct ptlrpc_request *req,
- struct obd_trans_info *oti)
-{
- struct ost_body *body, *repbody;
- int rc;
- ENTRY;
-
- 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);
-
- 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(req->rq_svc_thread->t_env, exp,
- &repbody->oa, NULL, oti);
- //obd_log_cancel(conn, NULL, 1, oti->oti_logcookies, 0);
- RETURN(0);
-}
-
-static int ost_punch(struct obd_export *exp, struct ptlrpc_request *req,
- struct obd_trans_info *oti)
-{
- struct ost_body *body, *repbody;
- 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 = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
-
- rc = ost_validate_obdo(exp, &body->oa, NULL);
- if (rc)
- RETURN(rc);
-
- if ((body->oa.o_valid & (OBD_MD_FLSIZE | OBD_MD_FLBLOCKS)) !=
- (OBD_MD_FLSIZE | OBD_MD_FLBLOCKS))
- RETURN(-EPROTO);
-
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- RETURN(rc);
-
- /* 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;
-
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- repbody->oa = body->oa;
-
- rc = ost_lock_get(exp, &repbody->oa, repbody->oa.o_size,
- repbody->oa.o_blocks, &lh, LCK_PW, flags);
- if (rc == 0) {
- struct obd_info *oinfo;
- struct lustre_capa *capa = NULL;
-
- if (repbody->oa.o_valid & OBD_MD_FLFLAGS &&
- repbody->oa.o_flags == OBD_FL_SRVLOCK)
- /*
- * 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().
- */
- repbody->oa.o_valid &= ~OBD_MD_FLFLAGS;
-
- if (repbody->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);
- }
- }
-
- OBD_ALLOC_PTR(oinfo);
- if (!oinfo)
- GOTO(unlock, rc = -ENOMEM);
- oinfo->oi_oa = &repbody->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(req->rq_svc_thread->t_env, exp,
- oinfo, oti, NULL);
- OBD_FREE_PTR(oinfo);
-unlock:
- ost_lock_put(exp, &lh, LCK_PW);
- }
-
- ost_drop_id(exp, &repbody->oa);
- RETURN(rc);
-}
-
-static int ost_sync(struct obd_export *exp, struct ptlrpc_request *req,
- struct obd_trans_info *oti)
-{
- struct ost_body *body, *repbody;
- struct obd_info *oinfo;
- struct lustre_capa *capa = NULL;
- int rc;
- ENTRY;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
-
- 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 = 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;
-
- OBD_ALLOC_PTR(oinfo);
- if (!oinfo)
- RETURN(-ENOMEM);
-
- oinfo->oi_oa = &repbody->oa;
- oinfo->oi_capa = capa;
- oinfo->oi_jobid = oti->oti_jobid;
- req->rq_status = obd_sync(req->rq_svc_thread->t_env, exp, oinfo,
- repbody->oa.o_size, repbody->oa.o_blocks,
- NULL);
- OBD_FREE_PTR(oinfo);
-
- ost_drop_id(exp, &repbody->oa);
- RETURN(0);
-}
-
-static int ost_setattr(struct obd_export *exp, struct ptlrpc_request *req,
- struct obd_trans_info *oti)
-{
- struct ost_body *body, *repbody;
- struct obd_info *oinfo;
- struct lustre_capa *capa = NULL;
- int rc;
- ENTRY;
-
- 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);
-
- rc = req_capsule_server_pack(&req->rq_pill);
- 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 SETATTR");
- RETURN (-EFAULT);
- }
- }
-
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- repbody->oa = body->oa;
-
- OBD_ALLOC_PTR(oinfo);
- if (!oinfo)
- RETURN(-ENOMEM);
- oinfo->oi_oa = &repbody->oa;
- oinfo->oi_capa = capa;
-
- req->rq_status = obd_setattr(req->rq_svc_thread->t_env, exp, oinfo,
- oti);
-
- OBD_FREE_PTR(oinfo);
-
- ost_drop_id(exp, &repbody->oa);
- RETURN(0);
-}
-
-static __u32 ost_checksum_bulk(struct ptlrpc_bulk_desc *desc, int opc,
- cksum_type_t cksum_type)
-{
- struct cfs_crypto_hash_desc *hdesc;
- unsigned int bufsize;
- int i, err;
- unsigned char cfs_alg = cksum_obd2cfs(cksum_type);
- __u32 cksum;
-
- hdesc = cfs_crypto_hash_init(cfs_alg, NULL, 0);
- if (IS_ERR(hdesc)) {
- CERROR("Unable to initialize checksum hash %s\n",
- cfs_crypto_hash_name(cfs_alg));
- return PTR_ERR(hdesc);
- }
- CDEBUG(D_INFO, "Checksum for algo %s\n", cfs_crypto_hash_name(cfs_alg));
- for (i = 0; i < desc->bd_iov_count; i++) {
-
- /* corrupt the data before we compute the checksum, to
- * simulate a client->OST data error */
- if (i == 0 && opc == OST_WRITE &&
- OBD_FAIL_CHECK(OBD_FAIL_OST_CHECKSUM_RECEIVE)) {
- int off = desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK;
- int len = desc->bd_iov[i].kiov_len;
- char *ptr = kmap(desc->bd_iov[i].kiov_page) + off;
- memcpy(ptr, "bad3", min(4, len));
- kunmap(desc->bd_iov[i].kiov_page);
- }
- cfs_crypto_hash_update_page(hdesc, desc->bd_iov[i].kiov_page,
- desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK,
- desc->bd_iov[i].kiov_len);
-
- /* corrupt the data after we compute the checksum, to
- * simulate an OST->client data error */
- if (i == 0 && opc == OST_READ &&
- OBD_FAIL_CHECK(OBD_FAIL_OST_CHECKSUM_SEND)) {
- int off = desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK;
- int len = desc->bd_iov[i].kiov_len;
- char *ptr = kmap(desc->bd_iov[i].kiov_page) + off;
- memcpy(ptr, "bad4", min(4, len));
- kunmap(desc->bd_iov[i].kiov_page);
- /* nobody should use corrupted page again */
- ClearPageUptodate(desc->bd_iov[i].kiov_page);
- }
- }
-
- bufsize = 4;
- err = cfs_crypto_hash_final(hdesc, (unsigned char *)&cksum, &bufsize);
- if (err)
- cfs_crypto_hash_final(hdesc, NULL, NULL);
-
- return cksum;
-}
-
-static int ost_brw_lock_get(int mode, struct obd_export *exp,
- struct obd_ioobj *obj, struct niobuf_remote *nb,
- struct lustre_handle *lh)
-{
- int flags = 0;
- int nrbufs = obj->ioo_bufcnt;
- struct ldlm_res_id res_id;
- ldlm_policy_data_t policy;
- int i;
- ENTRY;
-
- 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);
-
- for (i = 1; i < nrbufs; i ++)
- 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 +
- nb[nrbufs - 1].len - 1) | ~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));
-}
-
-static void ost_brw_lock_put(int mode,
- struct obd_ioobj *obj, struct niobuf_remote *niob,
- struct lustre_handle *lh)
-{
- ENTRY;
- LASSERT(mode == LCK_PR || mode == LCK_PW);
- LASSERT((obj->ioo_bufcnt > 0 && (niob[0].flags & OBD_BRW_SRVLOCK)) ==
- lustre_handle_is_used(lh));
- if (lustre_handle_is_used(lh))
- ldlm_lock_decref(lh, mode);
- 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 ptlrpc_bulk_desc *desc = NULL;
- struct obd_export *exp = req->rq_export;
- struct niobuf_remote *remote_nb;
- struct niobuf_local *local_nb;
- struct obd_ioobj *ioo;
- struct ost_body *body, *repbody;
- struct lustre_capa *capa = NULL;
- struct l_wait_info lwi;
- struct lustre_handle lockh = { 0 };
- int niocount, npages, nob = 0, rc, i;
- int no_reply = 0;
- struct ost_thread_local_cache *tls;
- ENTRY;
-
- req->rq_bulk_read = 1;
-
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_READ_BULK))
- GOTO(out, rc = -EIO);
-
- 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(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,
- !cfs_atomic_read(&exp->exp_obd->obd_evict_inprogress),
- &lwi);
- }
- if (exp->exp_failed)
- GOTO(out, rc = -ENOTCONN);
-
- /* 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);
-
- /*
- * 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);
-
- rc = ost_validate_obdo(exp, &body->oa, ioo);
- if (rc)
- RETURN(rc);
-
- niocount = ioo->ioo_bufcnt;
- remote_nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE);
- if (remote_nb == NULL)
- GOTO(out, rc = -EFAULT);
-
- 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);
- }
- }
-
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out, rc);
-
- 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_tls, rc);
-
- /*
- * If getting the lock took more time than
- * client was willing to wait, drop it. b=11330
- */
- if (cfs_time_current_sec() > req->rq_deadline ||
- OBD_FAIL_CHECK(OBD_FAIL_OST_DROP_REQ)) {
- no_reply = 1;
- CERROR("Dropping timed-out read from %s because locking"
- "object "LPX64" took %ld seconds (limit was %ld).\n",
- libcfs_id2str(req->rq_peer), ioo->ioo_id,
- cfs_time_current_sec() - req->rq_arrival_time.tv_sec,
- req->rq_deadline - req->rq_arrival_time.tv_sec);
- GOTO(out_lock, rc = -ETIMEDOUT);
- }
-
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- memcpy(&repbody->oa, &body->oa, sizeof(repbody->oa));
-
- npages = OST_THREAD_POOL_SIZE;
- rc = obd_preprw(req->rq_svc_thread->t_env, OBD_BRW_READ, exp,
- &repbody->oa, 1, ioo, remote_nb, &npages, local_nb,
- oti, capa);
- if (rc != 0)
- GOTO(out_lock, rc);
-
- desc = ptlrpc_prep_bulk_exp(req, npages,
- BULK_PUT_SOURCE, OST_BULK_PORTAL);
- if (desc == NULL)
- GOTO(out_commitrw, rc = -ENOMEM);
-
- nob = 0;
- for (i = 0; i < npages; i++) {
- int page_rc = local_nb[i].rc;
-
- if (page_rc < 0) { /* error */
- rc = page_rc;
- break;
- }
-
- nob += page_rc;
- if (page_rc != 0) { /* some data! */
- LASSERT (local_nb[i].page != NULL);
- ptlrpc_prep_bulk_page(desc, local_nb[i].page,
- local_nb[i].offset & ~CFS_PAGE_MASK,
- page_rc);
- }
-
- if (page_rc != local_nb[i].len) { /* short read */
- /* All subsequent pages should be 0 */
- while(++i < npages)
- LASSERT(local_nb[i].rc == 0);
- break;
- }
- }
-
- if (body->oa.o_valid & OBD_MD_FLCKSUM) {
- cksum_type_t cksum_type =
- cksum_type_unpack(repbody->oa.o_valid & OBD_MD_FLFLAGS ?
- repbody->oa.o_flags : 0);
- repbody->oa.o_flags = cksum_type_pack(cksum_type);
- repbody->oa.o_valid = OBD_MD_FLCKSUM | OBD_MD_FLFLAGS;
- repbody->oa.o_cksum = ost_checksum_bulk(desc, OST_READ,cksum_type);
- CDEBUG(D_PAGE, "checksum at read origin: %x\n",
- repbody->oa.o_cksum);
- } else {
- repbody->oa.o_valid = 0;
- }
- /* We're finishing using body->oa as an input variable */
-
- /* Check if client was evicted while we were doing i/o before touching
- network */
- if (rc == 0) {
- if (likely(!CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2)))
- rc = target_bulk_io(exp, desc, &lwi);
- no_reply = rc != 0;
- }
-
-out_commitrw:
- /* Must commit after prep above in all cases */
- rc = obd_commitrw(req->rq_svc_thread->t_env, OBD_BRW_READ, exp,
- &repbody->oa, 1, ioo, remote_nb, npages, local_nb,
- oti, rc);
-
- if (rc == 0)
- 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 && !CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2))
- ptlrpc_free_bulk(desc);
-out:
- LASSERT(rc <= 0);
- if (rc == 0) {
- req->rq_status = nob;
- ptlrpc_lprocfs_brw(req, nob);
- target_committed_to_req(req);
- ptlrpc_reply(req);
- } else if (!no_reply) {
- /* Only reply if there was no comms problem with bulk */
- target_committed_to_req(req);
- req->rq_status = rc;
- ptlrpc_error(req);
- } else {
- /* reply out callback would free */
- ptlrpc_req_drop_rs(req);
- LCONSOLE_WARN("%s: Bulk IO read error with %s (at %s), "
- "client will retry: rc %d\n",
- exp->exp_obd->obd_name,
- obd_uuid2str(&exp->exp_client_uuid),
- obd_export_nid2str(exp), rc);
- }
- /* send a bulk after reply to simulate a network delay or reordering
- * by a router */
- if (unlikely(CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2))) {
- cfs_waitq_t waitq;
- struct l_wait_info lwi1;
-
- CDEBUG(D_INFO, "reorder BULK\n");
- cfs_waitq_init(&waitq);
-
- lwi1 = LWI_TIMEOUT_INTR(cfs_time_seconds(3), NULL, NULL, NULL);
- l_wait_event(waitq, 0, &lwi1);
- rc = target_bulk_io(exp, desc, &lwi);
- ptlrpc_free_bulk(desc);
- }
-
- RETURN(rc);
-}
-
-static int ost_brw_write(struct ptlrpc_request *req, struct obd_trans_info *oti)
-{
- struct ptlrpc_bulk_desc *desc = NULL;
- struct obd_export *exp = req->rq_export;
- struct niobuf_remote *remote_nb;
- struct niobuf_local *local_nb;
- struct obd_ioobj *ioo;
- struct ost_body *body, *repbody;
- struct l_wait_info lwi;
- struct lustre_handle lockh = {0};
- struct lustre_capa *capa = NULL;
- __u32 *rcs;
- int objcount, niocount, npages;
- int rc, i, j;
- obd_count client_cksum = 0, server_cksum = 0;
- cksum_type_t cksum_type = OBD_CKSUM_CRC32;
- 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;
-
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_WRITE_BULK))
- GOTO(out, rc = -EIO);
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_WRITE_BULK2))
- GOTO(out, rc = -EFAULT);
-
- /* pause before transaction has been started */
- OBD_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_BULK, (obd_timeout + 1) / 4);
-
- /* 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 = 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);
-
- rc = ost_validate_obdo(exp, &body->oa, ioo);
- if (rc)
- RETURN(rc);
-
- for (niocount = i = 0; i < objcount; i++)
- niocount += ioo[i].ioo_bufcnt;
-
- /*
- * 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);
-
- 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 = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1);
- if (capa == NULL) {
- CERROR("Missing capability for OST BRW WRITE");
- GOTO(out, rc = -EFAULT);
- }
- }
-
- 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);
- CFS_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_PACK, cfs_fail_val);
- rcs = req_capsule_server_get(&req->rq_pill, &RMF_RCS);
-
- 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_tls, rc);
-
- /*
- * If getting the lock took more time than
- * client was willing to wait, drop it. b=11330
- */
- if (cfs_time_current_sec() > req->rq_deadline ||
- OBD_FAIL_CHECK(OBD_FAIL_OST_DROP_REQ)) {
- no_reply = 1;
- CERROR("Dropping timed-out write from %s because locking "
- "object "LPX64" took %ld seconds (limit was %ld).\n",
- libcfs_id2str(req->rq_peer), ioo->ioo_id,
- cfs_time_current_sec() - req->rq_arrival_time.tv_sec,
- req->rq_deadline - req->rq_arrival_time.tv_sec);
- GOTO(out_lock, rc = -ETIMEDOUT);
- }
-
- /* obd_preprw clobbers oa->valid, so save what we need */
- if (body->oa.o_valid & OBD_MD_FLCKSUM) {
- client_cksum = body->oa.o_cksum;
- 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
- * total_grant will not be modified in following preprw_write */
- if (lustre_msg_get_flags(req->rq_reqmsg) & (MSG_RESENT | MSG_REPLAY)) {
- DEBUG_REQ(D_CACHE, req, "clear resent/replay req grant info");
- body->oa.o_valid &= ~OBD_MD_FLGRANT;
- }
-
- if (exp_connect_rmtclient(exp)) {
- o_uid = body->oa.o_uid;
- o_gid = body->oa.o_gid;
- }
-
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- memcpy(&repbody->oa, &body->oa, sizeof(repbody->oa));
-
- npages = OST_THREAD_POOL_SIZE;
- rc = obd_preprw(req->rq_svc_thread->t_env, OBD_BRW_WRITE, exp,
- &repbody->oa, objcount, ioo, remote_nb, &npages,
- local_nb, oti, capa);
- if (rc != 0)
- GOTO(out_lock, rc);
-
- desc = ptlrpc_prep_bulk_exp(req, npages,
- BULK_GET_SINK, OST_BULK_PORTAL);
- if (desc == NULL)
- GOTO(skip_transfer, rc = -ENOMEM);
-
- /* NB Having prepped, we must commit... */
-
- for (i = 0; i < npages; i++)
- ptlrpc_prep_bulk_page(desc, local_nb[i].page,
- local_nb[i].offset & ~CFS_PAGE_MASK,
- local_nb[i].len);
-
- rc = sptlrpc_svc_prep_bulk(req, desc);
- if (rc != 0)
- GOTO(out_lock, rc);
-
- rc = target_bulk_io(exp, desc, &lwi);
- no_reply = rc != 0;
-
-skip_transfer:
- if (client_cksum != 0 && rc == 0) {
- static int cksum_counter;
- repbody->oa.o_valid |= OBD_MD_FLCKSUM | OBD_MD_FLFLAGS;
- repbody->oa.o_flags &= ~OBD_FL_CKSUM_ALL;
- repbody->oa.o_flags |= cksum_type_pack(cksum_type);
- server_cksum = ost_checksum_bulk(desc, OST_WRITE, cksum_type);
- repbody->oa.o_cksum = server_cksum;
- cksum_counter++;
- if (unlikely(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",
- cksum_counter, libcfs_id2str(req->rq_peer),
- server_cksum);
- }
- }
-
- /* Must commit after prep above in all cases */
- rc = obd_commitrw(req->rq_svc_thread->t_env, 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;
- }
-
- /*
- * 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;
- char *router;
-
- if (new_cksum == server_cksum)
- msg = "changed in transit before arrival at OST";
- else if (new_cksum == client_cksum)
- msg = "initial checksum before message complete";
- else
- msg = "changed in transit AND after initial checksum";
-
- if (req->rq_peer.nid == desc->bd_sender) {
- via = router = "";
- } else {
- via = " via ";
- router = libcfs_nid2str(desc->bd_sender);
- }
-
- LCONSOLE_ERROR_MSG(0x168, "%s: BAD WRITE CHECKSUM: %s from "
- "%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_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_parent_ver : 0,
- body->oa.o_id,
- body->oa.o_valid & OBD_MD_FLGROUP ?
- body->oa.o_seq : (__u64)0,
- local_nb[0].offset,
- local_nb[npages-1].offset +
- local_nb[npages-1].len - 1 );
- CERROR("client csum %x, original server csum %x, "
- "server csum now %x\n",
- client_cksum, server_cksum, new_cksum);
- }
-
- if (rc == 0) {
- int nob = 0;
-
- /* set per-requested niobuf return codes */
- for (i = j = 0; i < niocount; i++) {
- int len = remote_nb[i].len;
-
- nob += len;
- rcs[i] = 0;
- do {
- LASSERT(j < npages);
- if (local_nb[j].rc < 0)
- rcs[i] = local_nb[j].rc;
- len -= local_nb[j].len;
- j++;
- } while (len > 0);
- LASSERT(len == 0);
- }
- LASSERT(j == npages);
- ptlrpc_lprocfs_brw(req, nob);
- }
-
-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);
-out:
- if (rc == 0) {
- oti_to_request(oti, req);
- target_committed_to_req(req);
- rc = ptlrpc_reply(req);
- } else if (!no_reply) {
- /* Only reply if there was no comms problem with bulk */
- target_committed_to_req(req);
- req->rq_status = rc;
- ptlrpc_error(req);
- } else {
- /* reply out callback would free */
- ptlrpc_req_drop_rs(req);
- LCONSOLE_WARN("%s: Bulk IO write error with %s (at %s), "
- "client will retry: rc %d\n",
- exp->exp_obd->obd_name,
- obd_uuid2str(&exp->exp_client_uuid),
- obd_export_nid2str(exp), rc);
- }
- 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 = 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 = 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);
-
- 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);
-
- 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(req->rq_svc_thread->t_env, exp, keylen,
- key, vallen, val, NULL);
-out:
- lustre_msg_set_status(req->rq_repmsg, 0);
- RETURN(rc);
-}
-
-static int ost_get_info(struct obd_export *exp, struct ptlrpc_request *req)
-{
- void *key, *reply;
- int keylen, replylen, rc = 0;
- struct req_capsule *pill = &req->rq_pill;
- ENTRY;
-
- /* this common part for get_info rpc */
- key = req_capsule_client_get(pill, &RMF_SETINFO_KEY);
- if (key == NULL) {
- DEBUG_REQ(D_HA, req, "no get_info key");
- RETURN(-EFAULT);
- }
- 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(req->rq_svc_thread->t_env, exp, keylen, key,
- &replylen, NULL, NULL);
- if (rc)
- RETURN(rc);
-
- req_capsule_set_size(pill, &RMF_GENERIC_DATA,
- RCL_SERVER, replylen);
-
- rc = req_capsule_server_pack(pill);
- if (rc)
- RETURN(rc);
-
- reply = req_capsule_server_get(pill, &RMF_GENERIC_DATA);
- if (reply == NULL)
- RETURN(-ENOMEM);
-
- /* call again to fill in the reply buffer */
- rc = obd_get_info(req->rq_svc_thread->t_env, exp, keylen, key,
- &replylen, reply, NULL);
-
- lustre_msg_set_status(req->rq_repmsg, 0);
- RETURN(rc);
-}
-
-#ifdef HAVE_QUOTA_SUPPORT
-static int ost_handle_quotactl(struct ptlrpc_request *req)
-{
- struct obd_quotactl *oqctl, *repoqc;
- int rc;
- ENTRY;
-
- oqctl = req_capsule_client_get(&req->rq_pill, &RMF_OBD_QUOTACTL);
- if (oqctl == NULL)
- GOTO(out, rc = -EPROTO);
-
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out, rc);
-
- 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);
-}
-
-static int ost_handle_quotacheck(struct ptlrpc_request *req)
-{
- struct obd_quotactl *oqctl;
- int rc;
- ENTRY;
-
- oqctl = req_capsule_client_get(&req->rq_pill, &RMF_OBD_QUOTACTL);
- if (oqctl == NULL)
- RETURN(-EPROTO);
-
- rc = req_capsule_server_pack(&req->rq_pill);
- 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)
-{
- struct llogd_conn_body *body;
- int rc;
- ENTRY;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_CONN_BODY);
- rc = obd_llog_connect(exp, body);
- RETURN(rc);
-}
-
-#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)
-{
- 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);
- }
- }
-
- /* 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);
- }
-
- RETURN(rc);
-}
-
+ * GPL HEADER END
+ */
/*
- * 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.
+ * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
*
- * 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;
- }
-
- 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)
-{
- struct lu_env env;
- __u32 sync_lock_cancel = 0;
- __u32 len = sizeof(sync_lock_cancel);
- int rc = 0;
-
- ENTRY;
-
- rc = lu_env_init(&env, LCT_DT_THREAD);
- if (unlikely(rc != 0))
- RETURN(rc);
-
- rc = obd_get_info(&env, lock->l_export, sizeof(KEY_SYNC_LOCK_CANCEL),
- KEY_SYNC_LOCK_CANCEL, &len, &sync_lock_cancel, NULL);
- if (rc == 0 && 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)
- GOTO(out_env, rc = -ENOMEM);
- OBDO_ALLOC(oa);
- if (!oa) {
- OBD_FREE_PTR(oinfo);
- GOTO(out_env, rc = -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(&env, 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);
-out_env:
- lu_env_fini(&env);
- RETURN(rc);
-}
-
-static int ost_filter_recovery_request(struct ptlrpc_request *req,
- struct obd_device *obd, int *process)
-{
- switch (lustre_msg_get_opc(req->rq_reqmsg)) {
- case OST_CONNECT: /* This will never get here, but for completeness. */
- case OST_DISCONNECT:
- *process = 1;
- RETURN(0);
-
- case OBD_PING:
- case OST_CREATE:
- case OST_DESTROY:
- case OST_PUNCH:
- case OST_SETATTR:
- case OST_SYNC:
- case OST_WRITE:
- case OBD_LOG_CANCEL:
- case LDLM_ENQUEUE:
- *process = target_queue_recovery_request(req, obd);
- RETURN(0);
-
- default:
- DEBUG_REQ(D_WARNING, req, "not permitted during recovery");
- *process = -EAGAIN;
- RETURN(0);
- }
-}
-
-int ost_msg_check_version(struct lustre_msg *msg)
-{
- int rc;
-
- switch(lustre_msg_get_opc(msg)) {
- case OST_CONNECT:
- case OST_DISCONNECT:
- case OBD_PING:
- case SEC_CTX_INIT:
- case SEC_CTX_INIT_CONT:
- case SEC_CTX_FINI:
- rc = lustre_msg_check_version(msg, LUSTRE_OBD_VERSION);
- if (rc)
- CERROR("bad opc %u version %08x, expecting %08x\n",
- lustre_msg_get_opc(msg),
- lustre_msg_get_version(msg),
- LUSTRE_OBD_VERSION);
- break;
- case OST_CREATE:
- case OST_DESTROY:
- case OST_GETATTR:
- case OST_SETATTR:
- case OST_WRITE:
- case OST_READ:
- case OST_PUNCH:
- case OST_STATFS:
- 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",
- lustre_msg_get_opc(msg),
- lustre_msg_get_version(msg),
- LUSTRE_OST_VERSION);
- break;
- case LDLM_ENQUEUE:
- case LDLM_CONVERT:
- case LDLM_CANCEL:
- case LDLM_BL_CALLBACK:
- case LDLM_CP_CALLBACK:
- rc = lustre_msg_check_version(msg, LUSTRE_DLM_VERSION);
- if (rc)
- CERROR("bad opc %u version %08x, expecting %08x\n",
- lustre_msg_get_opc(msg),
- lustre_msg_get_version(msg),
- LUSTRE_DLM_VERSION);
- break;
- case LLOG_ORIGIN_CONNECT:
- case OBD_LOG_CANCEL:
- rc = lustre_msg_check_version(msg, LUSTRE_LOG_VERSION);
- if (rc)
- CERROR("bad opc %u version %08x, expecting %08x\n",
- lustre_msg_get_opc(msg),
- lustre_msg_get_version(msg),
- LUSTRE_LOG_VERSION);
- break;
- default:
- CERROR("Unexpected opcode %d\n", lustre_msg_get_opc(msg));
- rc = -ENOTSUPP;
- }
- return rc;
-}
-
-struct ost_prolong_data {
- struct ptlrpc_request *opd_req;
- struct obd_export *opd_exp;
- struct obdo *opd_oa;
- struct ldlm_res_id opd_resid;
- struct ldlm_extent opd_extent;
- ldlm_mode_t opd_mode;
- unsigned int opd_locks;
- int opd_timeout;
-};
-
-/* prolong locks for the current service time of the corresponding
- * portal (= OST_IO_PORTAL)
- */
-static inline int prolong_timeout(struct ptlrpc_request *req)
-{
- struct ptlrpc_service_part *svcpt = req->rq_rqbd->rqbd_svcpt;
-
- if (AT_OFF)
- return obd_timeout / 2;
-
- return max(at_est2timeout(at_get(&svcpt->scp_at_estimate)),
- ldlm_timeout);
-}
-
-static void ost_prolong_lock_one(struct ost_prolong_data *opd,
- struct ldlm_lock *lock)
-{
- LASSERT(lock->l_export == opd->opd_exp);
-
- if (lock->l_destroyed) /* lock already cancelled */
- return;
-
- /* XXX: never try to grab resource lock here because we're inside
- * exp_bl_list_lock; in ldlm_lockd.c to handle waiting list we take
- * res lock and then exp_bl_list_lock. */
-
- if (!(lock->l_flags & LDLM_FL_AST_SENT))
- /* ignore locks not being cancelled */
- return;
-
- LDLM_DEBUG(lock,
- "refreshed for req x"LPU64" ext("LPU64"->"LPU64") to %ds.\n",
- opd->opd_req->rq_xid, opd->opd_extent.start,
- opd->opd_extent.end, opd->opd_timeout);
-
- /* OK. this is a possible lock the user holds doing I/O
- * let's refresh eviction timer for it */
- ldlm_refresh_waiting_lock(lock, opd->opd_timeout);
- ++opd->opd_locks;
-}
-
-static void ost_prolong_locks(struct ost_prolong_data *data)
-{
- struct obd_export *exp = data->opd_exp;
- struct obdo *oa = data->opd_oa;
- struct ldlm_lock *lock;
- ENTRY;
-
- if (oa->o_valid & OBD_MD_FLHANDLE) {
- /* mostly a request should be covered by only one lock, try
- * fast path. */
- lock = ldlm_handle2lock(&oa->o_handle);
- if (lock != NULL) {
- /* Fast path to check if the lock covers the whole IO
- * region exclusively. */
- if (lock->l_granted_mode == LCK_PW &&
- ldlm_extent_contain(&lock->l_policy_data.l_extent,
- &data->opd_extent)) {
- /* bingo */
- ost_prolong_lock_one(data, lock);
- LDLM_LOCK_PUT(lock);
- RETURN_EXIT;
- }
- LDLM_LOCK_PUT(lock);
- }
- }
-
-
- cfs_spin_lock_bh(&exp->exp_bl_list_lock);
- cfs_list_for_each_entry(lock, &exp->exp_bl_list, l_exp_list) {
- LASSERT(lock->l_flags & LDLM_FL_AST_SENT);
- LASSERT(lock->l_resource->lr_type == LDLM_EXTENT);
-
- if (!ldlm_res_eq(&data->opd_resid, &lock->l_resource->lr_name))
- continue;
-
- if (!ldlm_extent_overlap(&lock->l_policy_data.l_extent,
- &data->opd_extent))
- continue;
-
- ost_prolong_lock_one(data, lock);
- }
- cfs_spin_unlock_bh(&exp->exp_bl_list_lock);
-
- EXIT;
-}
-
-/**
- * Returns 1 if the given PTLRPC matches the given LDLM locks, or 0 if it does
- * not.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
-static int ost_rw_hpreq_lock_match(struct ptlrpc_request *req,
- struct ldlm_lock *lock)
-{
- struct niobuf_remote *nb;
- struct obd_ioobj *ioo;
- int mode, opc;
- struct ldlm_extent ext;
- ENTRY;
-
- opc = lustre_msg_get_opc(req->rq_reqmsg);
- LASSERT(opc == OST_READ || opc == OST_WRITE);
-
- ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ);
- LASSERT(ioo != NULL);
-
- nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE);
- LASSERT(nb != NULL);
-
- ext.start = nb->offset;
- nb += ioo->ioo_bufcnt - 1;
- ext.end = nb->offset + nb->len - 1;
-
- LASSERT(lock->l_resource != NULL);
- if (!osc_res_name_eq(ioo->ioo_id, ioo->ioo_seq,
- &lock->l_resource->lr_name))
- RETURN(0);
-
- mode = LCK_PW;
- if (opc == OST_READ)
- mode |= LCK_PR;
- if (!(lock->l_granted_mode & mode))
- RETURN(0);
-
- RETURN(ldlm_extent_overlap(&lock->l_policy_data.l_extent, &ext));
-}
-
-/**
- * High-priority queue request check for whether the given PTLRPC request (\a
- * req) is blocking an LDLM lock cancel.
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*
- * 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.
+ * lustre/ost/ost_handler.c
*
- * 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 obd_device *obd = req->rq_export->exp_obd;
- struct ost_body *body;
- struct obd_ioobj *ioo;
- struct niobuf_remote *nb;
- struct ost_prolong_data opd = { 0 };
- int mode, opc;
- ENTRY;
-
- /*
- * Use LASSERT to do sanity check because malformed RPCs should have
- * been filtered out in ost_hpreq_handler().
- */
- 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);
- LASSERT(body != NULL);
-
- ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ);
- LASSERT(ioo != NULL);
-
- nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE);
- LASSERT(nb != NULL);
- LASSERT(!(nb->flags & OBD_BRW_SRVLOCK));
-
- osc_build_res_name(ioo->ioo_id, ioo->ioo_seq, &opd.opd_resid);
-
- opd.opd_req = req;
- mode = LCK_PW;
- if (opc == OST_READ)
- mode |= LCK_PR;
- opd.opd_mode = mode;
- opd.opd_exp = req->rq_export;
- opd.opd_oa = &body->oa;
- opd.opd_extent.start = nb->offset;
- nb += ioo->ioo_bufcnt - 1;
- opd.opd_extent.end = nb->offset + nb->len - 1;
- opd.opd_timeout = prolong_timeout(req);
-
- DEBUG_REQ(D_RPCTRACE, req,
- "%s %s: refresh rw locks: " LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
- obd->obd_name, cfs_current()->comm,
- opd.opd_resid.name[0], opd.opd_resid.name[1],
- opd.opd_extent.start, opd.opd_extent.end);
-
- ost_prolong_locks(&opd);
-
- CDEBUG(D_DLMTRACE, "%s: refreshed %u locks timeout for req %p.\n",
- obd->obd_name, opd.opd_locks, req);
-
- RETURN(opd.opd_locks);
-}
-
-static void ost_rw_hpreq_fini(struct ptlrpc_request *req)
-{
- (void)ost_rw_hpreq_check(req);
-}
-
-/**
- * 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;
- ENTRY;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- LASSERT(body != NULL);
-
- 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.
+ * Author: Peter J. Braam <braam@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
*/
-static int ost_punch_hpreq_check(struct ptlrpc_request *req)
-{
- struct obd_device *obd = req->rq_export->exp_obd;
- struct ost_body *body;
- struct obdo *oa;
- struct ost_prolong_data opd = { 0 };
- __u64 start, end;
- ENTRY;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- LASSERT(body != NULL);
-
- oa = &body->oa;
- LASSERT(!(oa->o_valid & OBD_MD_FLFLAGS) ||
- !(oa->o_flags & OBD_FL_SRVLOCK));
-
- start = oa->o_size;
- end = start + oa->o_blocks;
-
- opd.opd_req = req;
- opd.opd_mode = LCK_PW;
- opd.opd_exp = req->rq_export;
- opd.opd_oa = oa;
- opd.opd_extent.start = start;
- opd.opd_extent.end = end;
- if (oa->o_blocks == OBD_OBJECT_EOF)
- opd.opd_extent.end = OBD_OBJECT_EOF;
- opd.opd_timeout = prolong_timeout(req);
-
- osc_build_res_name(oa->o_id, oa->o_seq, &opd.opd_resid);
-
- CDEBUG(D_DLMTRACE,
- "%s: refresh locks: "LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
- obd->obd_name,
- opd.opd_resid.name[0], opd.opd_resid.name[1],
- opd.opd_extent.start, opd.opd_extent.end);
-
- ost_prolong_locks(&opd);
-
- CDEBUG(D_DLMTRACE, "%s: refreshed %u locks timeout for req %p.\n",
- obd->obd_name, opd.opd_locks, req);
-
- RETURN(opd.opd_locks > 0);
-}
-
-static void ost_punch_hpreq_fini(struct ptlrpc_request *req)
-{
- (void)ost_punch_hpreq_check(req);
-}
-
-struct ptlrpc_hpreq_ops ost_hpreq_rw = {
- .hpreq_lock_match = ost_rw_hpreq_lock_match,
- .hpreq_check = ost_rw_hpreq_check,
- .hpreq_fini = ost_rw_hpreq_fini
-};
-
-struct ptlrpc_hpreq_ops ost_hpreq_punch = {
- .hpreq_lock_match = ost_punch_hpreq_lock_match,
- .hpreq_check = ost_punch_hpreq_check,
- .hpreq_fini = ost_punch_hpreq_fini
-};
-
-/** 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 rc;
- 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);
- }
-
- rc = ost_validate_obdo(req->rq_export, &body->oa, ioo);
- if (rc) {
- CERROR("invalid object ids\n");
- RETURN(rc);
- }
-
- 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)
-{
- struct obd_trans_info trans_info = { 0, };
- struct obd_trans_info *oti = &trans_info;
- int should_process, fail = OBD_FAIL_OST_ALL_REPLY_NET, rc = 0;
- struct obd_device *obd = NULL;
- ENTRY;
-
- /* OST module is kept between remounts, but the last reference
- * to specific module (say, osd or ofd) kills all related keys
- * from the environment. so we have to refill it until the root
- * cause is fixed properly */
- lu_env_refill(req->rq_svc_thread->t_env);
-
- LASSERT(current->journal_info == NULL);
-
- /* primordial rpcs don't affect server recovery */
- switch (lustre_msg_get_opc(req->rq_reqmsg)) {
- case SEC_CTX_INIT:
- case SEC_CTX_INIT_CONT:
- case SEC_CTX_FINI:
- GOTO(out, rc = 0);
- }
-
- req_capsule_init(&req->rq_pill, req, RCL_SERVER);
-
- if (lustre_msg_get_opc(req->rq_reqmsg) != OST_CONNECT) {
- 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));
- req->rq_status = -ENOTCONN;
- GOTO(out, rc = -ENOTCONN);
- }
-
- obd = req->rq_export->exp_obd;
-
- /* Check for aborted recovery. */
- if (obd->obd_recovering) {
- rc = ost_filter_recovery_request(req, obd,
- &should_process);
- if (rc || !should_process)
- RETURN(rc);
- else if (should_process < 0) {
- req->rq_status = should_process;
- rc = ptlrpc_error(req);
- RETURN(rc);
- }
- }
- }
-
- oti_init(oti, req);
- rc = ost_msg_check_version(req->rq_reqmsg);
- if (rc)
- RETURN(rc);
-
- if (req && req->rq_reqmsg && req->rq_export &&
- (req->rq_export->exp_connect_flags & OBD_CONNECT_JOBSTATS))
- oti->oti_jobid = lustre_msg_get_jobid(req->rq_reqmsg);
-
- switch (lustre_msg_get_opc(req->rq_reqmsg)) {
- case OST_CONNECT: {
- CDEBUG(D_INODE, "connect\n");
- req_capsule_set(&req->rq_pill, &RQF_OST_CONNECT);
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_CONNECT_NET))
- RETURN(0);
- rc = target_handle_connect(req);
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_CONNECT_NET2))
- RETURN(0);
- if (!rc) {
- rc = ost_init_sec_level(req);
- if (!rc)
- rc = ost_connect_check_sptlrpc(req);
- }
- break;
- }
- case OST_DISCONNECT:
- CDEBUG(D_INODE, "disconnect\n");
- req_capsule_set(&req->rq_pill, &RQF_OST_DISCONNECT);
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_DISCONNECT_NET))
- RETURN(0);
- rc = target_handle_disconnect(req);
- 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_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))
- GOTO(out, rc = -EROFS);
- rc = ost_destroy(req->rq_export, req, oti);
- 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 (ptlrpc_req2svc(req)->srv_req_portal != OST_IO_PORTAL) {
- CERROR("%s: deny write request from %s to portal %u\n",
- req->rq_export->exp_obd->obd_name,
- obd_export_nid2str(req->rq_export),
- ptlrpc_req2svc(req)->srv_req_portal);
- GOTO(out, rc = -EPROTO);
- }
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_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_brw_write(req, oti);
- LASSERT(current->journal_info == NULL);
- /* 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 (ptlrpc_req2svc(req)->srv_req_portal != OST_IO_PORTAL) {
- CERROR("%s: deny read request from %s to portal %u\n",
- req->rq_export->exp_obd->obd_name,
- obd_export_nid2str(req->rq_export),
- ptlrpc_req2svc(req)->srv_req_portal);
- GOTO(out, rc = -EPROTO);
- }
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_NET))
- RETURN(0);
- rc = ost_brw_read(req, oti);
- LASSERT(current->journal_info == NULL);
- /* ost_brw_read sends its own replies */
- 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))
- GOTO(out, rc = -EROFS);
- rc = ost_punch(req->rq_export, req, oti);
- 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, oti);
- break;
- case OST_SET_INFO:
- DEBUG_REQ(D_INODE, req, "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);
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_QUOTACHECK_NET))
- RETURN(0);
- rc = ost_handle_quotacheck(req);
- break;
- case OST_QUOTACTL:
- CDEBUG(D_INODE, "quotactl\n");
- req_capsule_set(&req->rq_pill, &RQF_OST_QUOTACTL);
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_QUOTACTL_NET))
- 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);
- rc = target_handle_ping(req);
- break;
- /* FIXME - just reply status */
- case LLOG_ORIGIN_CONNECT:
- DEBUG_REQ(D_INODE, req, "log connect");
- req_capsule_set(&req->rq_pill, &RQF_LLOG_ORIGIN_CONNECT);
- rc = ost_llog_handle_connect(req->rq_export, req);
- req->rq_status = rc;
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- RETURN(rc);
- RETURN(ptlrpc_reply(req));
- case OBD_LOG_CANCEL:
- CDEBUG(D_INODE, "log cancel\n");
- req_capsule_set(&req->rq_pill, &RQF_LOG_CANCEL);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_NET))
- RETURN(0);
- rc = llog_origin_handle_cancel(req);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_REP))
- RETURN(0);
- req->rq_status = rc;
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- RETURN(rc);
- RETURN(ptlrpc_reply(req));
- case LDLM_ENQUEUE:
- CDEBUG(D_INODE, "enqueue\n");
- req_capsule_set(&req->rq_pill, &RQF_LDLM_ENQUEUE);
- if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_ENQUEUE))
- RETURN(0);
- rc = ldlm_handle_enqueue(req, ldlm_server_completion_ast,
- ost_blocking_ast,
- ldlm_server_glimpse_ast);
- fail = OBD_FAIL_OST_LDLM_REPLY_NET;
- break;
- case LDLM_CONVERT:
- CDEBUG(D_INODE, "convert\n");
- req_capsule_set(&req->rq_pill, &RQF_LDLM_CONVERT);
- if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_CONVERT))
- RETURN(0);
- rc = ldlm_handle_convert(req);
- break;
- case LDLM_CANCEL:
- CDEBUG(D_INODE, "cancel\n");
- req_capsule_set(&req->rq_pill, &RQF_LDLM_CANCEL);
- if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_CANCEL))
- RETURN(0);
- rc = ldlm_handle_cancel(req);
- break;
- case LDLM_BL_CALLBACK:
- case LDLM_CP_CALLBACK:
- CDEBUG(D_INODE, "callback\n");
- CERROR("callbacks should not happen on OST\n");
- /* fall through */
- default:
- CERROR("Unexpected opcode %d\n",
- lustre_msg_get_opc(req->rq_reqmsg));
- req->rq_status = -ENOTSUPP;
- rc = ptlrpc_error(req);
- RETURN(rc);
- }
-
- LASSERT(current->journal_info == NULL);
-
- EXIT;
- /* If we're DISCONNECTing, the export_data is already freed */
- if (!rc && lustre_msg_get_opc(req->rq_reqmsg) != OST_DISCONNECT)
- target_committed_to_req(req);
-
-out:
- if (!rc)
- oti_to_request(oti, req);
+#define DEBUG_SUBSYSTEM S_OST
- target_send_reply(req, rc, fail);
- return 0;
-}
-EXPORT_SYMBOL(ost_handle);
-/*
- * free per-thread pool created by ost_thread_init().
- */
-static void ost_thread_done(struct ptlrpc_thread *thread)
-{
- struct ost_thread_local_cache *tls; /* TLS stands for Thread-Local
- * Storage */
+#include <linux/module.h>
+#include <lustre_dlm.h>
+#include <lprocfs_status.h>
+#include <obd_class.h>
+#include "ost_internal.h"
- ENTRY;
+int oss_max_threads = 512;
+module_param(oss_max_threads, int, 0444);
+MODULE_PARM_DESC(oss_max_threads, "maximum number of OSS service threads");
- LASSERT(thread != NULL);
+static int oss_num_threads;
+module_param(oss_num_threads, int, 0444);
+MODULE_PARM_DESC(oss_num_threads, "number of OSS service threads to start");
- /*
- * be prepared to handle partially-initialized pools (because this is
- * called from ost_thread_init() for cleanup.
- */
- tls = thread->t_data;
- if (tls != NULL) {
- OBD_FREE_PTR(tls);
- thread->t_data = NULL;
- }
- EXIT;
-}
+static unsigned int oss_cpu_bind = 1;
+module_param(oss_cpu_bind, uint, 0444);
+MODULE_PARM_DESC(oss_cpu_bind,
+ "bind OSS service threads to particular CPU partitions");
-/*
- * initialize per-thread page pool (bug 5137).
- */
-static int ost_thread_init(struct ptlrpc_thread *thread)
-{
- struct ost_thread_local_cache *tls;
+static int oss_num_create_threads;
+module_param(oss_num_create_threads, int, 0444);
+MODULE_PARM_DESC(oss_num_create_threads, "number of OSS create threads to start");
- ENTRY;
+static unsigned int oss_create_cpu_bind = 1;
+module_param(oss_create_cpu_bind, uint, 0444);
+MODULE_PARM_DESC(oss_create_cpu_bind,
+ "bind OSS create threads to particular CPU partitions");
- LASSERT(thread != NULL);
- LASSERT(thread->t_data == NULL);
+static char *oss_cpts;
+module_param(oss_cpts, charp, 0444);
+MODULE_PARM_DESC(oss_cpts, "CPU partitions OSS threads should run on");
- OBD_ALLOC_PTR(tls);
- if (tls == NULL)
- RETURN(-ENOMEM);
- thread->t_data = tls;
- RETURN(0);
-}
+static char *oss_io_cpts;
+module_param(oss_io_cpts, charp, 0444);
+MODULE_PARM_DESC(oss_io_cpts, "CPU partitions OSS IO threads should run on");
#define OST_WATCHDOG_TIMEOUT (obd_timeout * 1000)
{
static struct ptlrpc_service_conf svc_conf;
struct ost_obd *ost = &obd->u.ost;
- struct lprocfs_static_vars lvars;
nodemask_t *mask;
int rc;
ENTRY;
- rc = cfs_cleanup_group_info();
- if (rc)
- RETURN(rc);
+ rc = lprocfs_obd_setup(obd, true);
+ if (rc)
+ return rc;
- lprocfs_ost_init_vars(&lvars);
- lprocfs_obd_setup(obd, lvars.obd_vars);
-
- cfs_mutex_init(&ost->ost_health_mutex);
+ mutex_init(&ost->ost_health_mutex);
svc_conf = (typeof(svc_conf)) {
.psc_name = LUSTRE_OSS_NAME,
.tc_thr_factor = OSS_THR_FACTOR,
.tc_nthrs_init = OSS_NTHRS_INIT,
.tc_nthrs_base = OSS_NTHRS_BASE,
- .tc_nthrs_max = OSS_NTHRS_MAX,
+ .tc_nthrs_max = oss_max_threads,
.tc_nthrs_user = oss_num_threads,
- .tc_cpu_affinity = 1,
+ .tc_cpu_bind = oss_cpu_bind,
.tc_ctx_tags = LCT_DT_THREAD,
},
.psc_cpt = {
.cc_pattern = oss_cpts,
+ .cc_affinity = true,
},
.psc_ops = {
- .so_req_handler = ost_handle,
+ .so_req_handler = tgt_request_handle,
.so_req_printer = target_print_req,
+ .so_hpreq_handler = ptlrpc_hpreq_handler,
},
};
ost->ost_service = ptlrpc_register_service(&svc_conf,
- obd->obd_proc_entry);
+ &obd->obd_kset,
+ obd->obd_debugfs_entry);
if (IS_ERR(ost->ost_service)) {
rc = PTR_ERR(ost->ost_service);
CERROR("failed to start service: %d\n", rc);
.tc_nthrs_base = OSS_CR_NTHRS_BASE,
.tc_nthrs_max = OSS_CR_NTHRS_MAX,
.tc_nthrs_user = oss_num_create_threads,
- .tc_cpu_affinity = 1,
+ .tc_cpu_bind = oss_create_cpu_bind,
.tc_ctx_tags = LCT_DT_THREAD,
},
.psc_cpt = {
.cc_pattern = oss_cpts,
+ .cc_affinity = true,
},
.psc_ops = {
- .so_req_handler = ost_handle,
+ .so_req_handler = tgt_request_handle,
.so_req_printer = target_print_req,
},
};
ost->ost_create_service = ptlrpc_register_service(&svc_conf,
- obd->obd_proc_entry);
+ &obd->obd_kset,
+ obd->obd_debugfs_entry);
if (IS_ERR(ost->ost_create_service)) {
rc = PTR_ERR(ost->ost_create_service);
CERROR("failed to start OST create service: %d\n", rc);
GOTO(out_service, rc);
}
- mask = cfs_cpt_table->ctb_nodemask;
+ mask = cfs_cpt_nodemask(cfs_cpt_table, CFS_CPT_ANY);
/* event CPT feature is disabled in libcfs level by set partition
* number to 1, we still want to set node affinity for io service */
if (cfs_cpt_number(cfs_cpt_table) == 1 && nodes_weight(*mask) > 1) {
.psc_watchdog_factor = OSS_SERVICE_WATCHDOG_FACTOR,
.psc_buf = {
.bc_nbufs = OST_NBUFS,
- .bc_buf_size = OST_BUFSIZE,
- .bc_req_max_size = OST_MAXREQSIZE,
- .bc_rep_max_size = OST_MAXREPSIZE,
+ .bc_buf_size = OST_IO_BUFSIZE,
+ .bc_req_max_size = OST_IO_MAXREQSIZE,
+ .bc_rep_max_size = OST_IO_MAXREPSIZE,
.bc_req_portal = OST_IO_PORTAL,
.bc_rep_portal = OSC_REPLY_PORTAL,
},
.tc_thr_factor = OSS_THR_FACTOR,
.tc_nthrs_init = OSS_NTHRS_INIT,
.tc_nthrs_base = OSS_NTHRS_BASE,
- .tc_nthrs_max = OSS_NTHRS_MAX,
+ .tc_nthrs_max = oss_max_threads,
.tc_nthrs_user = oss_num_threads,
- .tc_cpu_affinity = 1,
+ .tc_cpu_bind = oss_cpu_bind,
.tc_ctx_tags = LCT_DT_THREAD,
},
.psc_cpt = {
.cc_cptable = ost_io_cptable,
.cc_pattern = ost_io_cptable == NULL ?
oss_io_cpts : NULL,
+ .cc_affinity = true,
},
.psc_ops = {
- .so_thr_init = ost_thread_init,
- .so_thr_done = ost_thread_done,
- .so_req_handler = ost_handle,
- .so_hpreq_handler = ost_hpreq_handler,
+ .so_thr_init = tgt_io_thread_init,
+ .so_thr_done = tgt_io_thread_done,
+ .so_req_handler = tgt_request_handle,
+ .so_hpreq_handler = tgt_hpreq_handler,
.so_req_printer = target_print_req,
},
};
ost->ost_io_service = ptlrpc_register_service(&svc_conf,
- obd->obd_proc_entry);
+ &obd->obd_kset,
+ obd->obd_debugfs_entry);
if (IS_ERR(ost->ost_io_service)) {
rc = PTR_ERR(ost->ost_io_service);
CERROR("failed to start OST I/O service: %d\n", rc);
GOTO(out_create, rc);
}
- ping_evictor_start();
+ memset(&svc_conf, 0, sizeof(svc_conf));
+ svc_conf = (typeof(svc_conf)) {
+ .psc_name = "ost_seq",
+ .psc_watchdog_factor = OSS_SERVICE_WATCHDOG_FACTOR,
+ .psc_buf = {
+ .bc_nbufs = OST_NBUFS,
+ .bc_buf_size = OST_BUFSIZE,
+ .bc_req_max_size = OST_MAXREQSIZE,
+ .bc_rep_max_size = OST_MAXREPSIZE,
+ .bc_req_portal = SEQ_DATA_PORTAL,
+ .bc_rep_portal = OSC_REPLY_PORTAL,
+ },
+ .psc_thr = {
+ .tc_thr_name = "ll_ost_seq",
+ .tc_thr_factor = OSS_CR_THR_FACTOR,
+ .tc_nthrs_init = OSS_CR_NTHRS_INIT,
+ .tc_nthrs_base = OSS_CR_NTHRS_BASE,
+ .tc_nthrs_max = OSS_CR_NTHRS_MAX,
+ .tc_nthrs_user = oss_num_create_threads,
+ .tc_cpu_bind = oss_create_cpu_bind,
+ .tc_ctx_tags = LCT_DT_THREAD,
+ },
+
+ .psc_cpt = {
+ .cc_pattern = oss_cpts,
+ .cc_affinity = true,
+ },
+ .psc_ops = {
+ .so_req_handler = tgt_request_handle,
+ .so_req_printer = target_print_req,
+ .so_hpreq_handler = NULL,
+ },
+ };
+ ost->ost_seq_service = ptlrpc_register_service(&svc_conf,
+ &obd->obd_kset,
+ obd->obd_debugfs_entry);
+ if (IS_ERR(ost->ost_seq_service)) {
+ rc = PTR_ERR(ost->ost_seq_service);
+ CERROR("failed to start OST seq service: %d\n", rc);
+ ost->ost_seq_service = NULL;
+ GOTO(out_io, rc);
+ }
+
+ /* Object update service */
+ memset(&svc_conf, 0, sizeof(svc_conf));
+ svc_conf = (typeof(svc_conf)) {
+ .psc_name = "ost_out",
+ .psc_watchdog_factor = OSS_SERVICE_WATCHDOG_FACTOR,
+ .psc_buf = {
+ .bc_nbufs = OST_NBUFS,
+ .bc_buf_size = OUT_BUFSIZE,
+ .bc_req_max_size = OUT_MAXREQSIZE,
+ .bc_rep_max_size = OUT_MAXREPSIZE,
+ .bc_req_portal = OUT_PORTAL,
+ .bc_rep_portal = OSC_REPLY_PORTAL,
+ },
+ /*
+ * We'd like to have a mechanism to set this on a per-device
+ * basis, but alas...
+ */
+ .psc_thr = {
+ .tc_thr_name = "ll_ost_out",
+ .tc_thr_factor = OSS_CR_THR_FACTOR,
+ .tc_nthrs_init = OSS_CR_NTHRS_INIT,
+ .tc_nthrs_base = OSS_CR_NTHRS_BASE,
+ .tc_nthrs_max = OSS_CR_NTHRS_MAX,
+ .tc_nthrs_user = oss_num_create_threads,
+ .tc_cpu_bind = oss_create_cpu_bind,
+ .tc_ctx_tags = LCT_MD_THREAD |
+ LCT_DT_THREAD,
+ },
+ .psc_cpt = {
+ .cc_pattern = oss_cpts,
+ .cc_affinity = true,
+ },
+ .psc_ops = {
+ .so_req_handler = tgt_request_handle,
+ .so_req_printer = target_print_req,
+ .so_hpreq_handler = NULL,
+ },
+ };
+ ost->ost_out_service = ptlrpc_register_service(&svc_conf,
+ &obd->obd_kset,
+ obd->obd_debugfs_entry);
+ if (IS_ERR(ost->ost_out_service)) {
+ rc = PTR_ERR(ost->ost_out_service);
+ CERROR("failed to start out service: %d\n", rc);
+ ost->ost_out_service = NULL;
+ GOTO(out_seq, rc);
+ }
+
+ ping_evictor_start();
- RETURN(0);
+ RETURN(0);
+out_seq:
+ ptlrpc_unregister_service(ost->ost_seq_service);
+ ost->ost_seq_service = NULL;
+out_io:
+ ptlrpc_unregister_service(ost->ost_io_service);
+ ost->ost_io_service = NULL;
out_create:
ptlrpc_unregister_service(ost->ost_create_service);
ost->ost_create_service = NULL;
ptlrpc_unregister_service(ost->ost_service);
ost->ost_service = NULL;
out_lprocfs:
- lprocfs_obd_cleanup(obd);
+ lprocfs_obd_cleanup(obd);
RETURN(rc);
}
static int ost_cleanup(struct obd_device *obd)
{
- struct ost_obd *ost = &obd->u.ost;
- int err = 0;
- ENTRY;
+ struct ost_obd *ost = &obd->u.ost;
+ int err = 0;
+ ENTRY;
- ping_evictor_stop();
+ ping_evictor_stop();
- /* there is no recovery for OST OBD, all recovery is controlled by
- * obdfilter OBD */
- LASSERT(obd->obd_recovering == 0);
- cfs_mutex_lock(&ost->ost_health_mutex);
- 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;
+ /* there is no recovery for OST OBD, all recovery is controlled by
+ * obdfilter OBD */
+ LASSERT(obd->obd_recovering == 0);
+ mutex_lock(&ost->ost_health_mutex);
+ ptlrpc_unregister_service(ost->ost_service);
+ ptlrpc_unregister_service(ost->ost_create_service);
+ ptlrpc_unregister_service(ost->ost_io_service);
+ ptlrpc_unregister_service(ost->ost_seq_service);
+ ptlrpc_unregister_service(ost->ost_out_service);
+
+ ost->ost_service = NULL;
+ ost->ost_create_service = NULL;
ost->ost_io_service = NULL;
+ ost->ost_seq_service = NULL;
+ ost->ost_out_service = NULL;
- cfs_mutex_unlock(&ost->ost_health_mutex);
+ mutex_unlock(&ost->ost_health_mutex);
lprocfs_obd_cleanup(obd);
static int ost_health_check(const struct lu_env *env, struct obd_device *obd)
{
- struct ost_obd *ost = &obd->u.ost;
- int rc = 0;
-
- cfs_mutex_lock(&ost->ost_health_mutex);
- 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);
- cfs_mutex_unlock(&ost->ost_health_mutex);
-
- /*
- * health_check to return 0 on healthy
- * and 1 on unhealthy.
- */
- if( rc != 0)
- rc = 1;
+ struct ost_obd *ost = &obd->u.ost;
+ int rc = 0;
- return rc;
-}
+ mutex_lock(&ost->ost_health_mutex);
+ 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);
+ rc |= ptlrpc_service_health_check(ost->ost_seq_service);
+ mutex_unlock(&ost->ost_health_mutex);
-struct ost_thread_local_cache *ost_tls(struct ptlrpc_request *r)
-{
- return (struct ost_thread_local_cache *)(r->rq_svc_thread->t_data);
+ return rc != 0 ? 1 : 0;
}
/* use obd ops to offer management infrastructure */
static int __init ost_init(void)
{
- struct lprocfs_static_vars lvars;
- int rc;
- ENTRY;
+ int rc;
- lprocfs_ost_init_vars(&lvars);
- rc = class_register_type(&ost_obd_ops, NULL, lvars.module_vars,
- LUSTRE_OSS_NAME, NULL);
+ ENTRY;
- if (ost_num_threads != 0 && oss_num_threads == 0) {
- LCONSOLE_INFO("ost_num_threads module parameter is deprecated, "
- "use oss_num_threads instead or unset both for "
- "dynamic thread startup\n");
- oss_num_threads = ost_num_threads;
- }
+ rc = class_register_type(&ost_obd_ops, NULL, false, NULL,
+ LUSTRE_OSS_NAME, NULL);
RETURN(rc);
}
-static void /*__exit*/ ost_exit(void)
+static void __exit ost_exit(void)
{
- class_unregister_type(LUSTRE_OSS_NAME);
+ class_unregister_type(LUSTRE_OSS_NAME);
}
-MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
-MODULE_DESCRIPTION("Lustre Object Storage Target (OST) v0.01");
+MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>");
+MODULE_DESCRIPTION("Lustre Object Storage Target (OST)");
+MODULE_VERSION(LUSTRE_VERSION_STRING);
MODULE_LICENSE("GPL");
module_init(ost_init);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff