* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <libcfs/libcfs.h>
-#ifndef __KERNEL__
-# include <liblustre.h>
-#endif
-
#include <lustre_dlm.h>
#include <lustre_net.h>
#include <lustre/lustre_user.h>
#include <obd_cksum.h>
-
-#ifdef __CYGWIN__
-# include <ctype.h>
-#endif
-
#include <lustre_ha.h>
#include <lprocfs_status.h>
#include <lustre_ioctl.h>
-#include <lustre_log.h>
#include <lustre_debug.h>
#include <lustre_param.h>
#include <lustre_fid.h>
+#include <obd_class.h>
+#include <obd.h>
+#include <lustre_net.h>
#include "osc_internal.h"
#include "osc_cl_internal.h"
+atomic_t osc_pool_req_count;
+unsigned int osc_reqpool_maxreqcount;
+struct ptlrpc_request_pool *osc_rq_pool;
+
+/* max memory used for request pool, unit is MB */
+static unsigned int osc_reqpool_mem_max = 5;
+module_param(osc_reqpool_mem_max, uint, 0444);
+
struct osc_brw_async_args {
struct obdo *aa_oa;
int aa_requested_nob;
int aa_nio_count;
- obd_count aa_page_count;
+ u32 aa_page_count;
int aa_resends;
struct brw_page **aa_ppga;
struct client_obd *aa_cli;
struct list_head aa_oaps;
struct list_head aa_exts;
- struct obd_capa *aa_ocapa;
struct cl_req *aa_clerq;
};
#define osc_grant_args osc_brw_async_args
-struct osc_async_args {
- struct obd_info *aa_oi;
-};
-
struct osc_setattr_args {
struct obdo *sa_oa;
obd_enqueue_update_f sa_upcall;
};
struct osc_fsync_args {
- struct obd_info *fa_oi;
- obd_enqueue_update_f fa_upcall;
+ struct osc_object *fa_obj;
+ struct obdo *fa_oa;
+ obd_enqueue_update_f fa_upcall;
void *fa_cookie;
};
struct osc_enqueue_args {
- struct obd_export *oa_exp;
- __u64 *oa_flags;
- obd_enqueue_update_f oa_upcall;
- void *oa_cookie;
- struct ost_lvb *oa_lvb;
- struct lustre_handle *oa_lockh;
- struct ldlm_enqueue_info *oa_ei;
- unsigned int oa_agl:1;
+ struct obd_export *oa_exp;
+ enum ldlm_type oa_type;
+ enum ldlm_mode oa_mode;
+ __u64 *oa_flags;
+ osc_enqueue_upcall_f oa_upcall;
+ void *oa_cookie;
+ struct ost_lvb *oa_lvb;
+ struct lustre_handle oa_lockh;
+ unsigned int oa_agl:1;
};
-static void osc_release_ppga(struct brw_page **ppga, obd_count count);
+static void osc_release_ppga(struct brw_page **ppga, size_t count);
static int brw_interpret(const struct lu_env *env, struct ptlrpc_request *req,
void *data, int rc);
-/* Unpack OSC object metadata from disk storage (LE byte order). */
-static int osc_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
- struct lov_mds_md *lmm, int lmm_bytes)
-{
- int lsm_size;
- struct obd_import *imp = class_exp2cliimp(exp);
- ENTRY;
-
- if (lmm != NULL) {
- if (lmm_bytes < sizeof(*lmm)) {
- CERROR("%s: lov_mds_md too small: %d, need %d\n",
- exp->exp_obd->obd_name, lmm_bytes,
- (int)sizeof(*lmm));
- RETURN(-EINVAL);
- }
- /* XXX LOV_MAGIC etc check? */
-
- if (unlikely(ostid_id(&lmm->lmm_oi) == 0)) {
- CERROR("%s: zero lmm_object_id: rc = %d\n",
- exp->exp_obd->obd_name, -EINVAL);
- RETURN(-EINVAL);
- }
- }
-
- lsm_size = lov_stripe_md_size(1);
- if (lsmp == NULL)
- RETURN(lsm_size);
-
- if (*lsmp != NULL && lmm == NULL) {
- OBD_FREE((*lsmp)->lsm_oinfo[0], sizeof(struct lov_oinfo));
- OBD_FREE(*lsmp, lsm_size);
- *lsmp = NULL;
- RETURN(0);
- }
-
- if (*lsmp == NULL) {
- OBD_ALLOC(*lsmp, lsm_size);
- if (unlikely(*lsmp == NULL))
- RETURN(-ENOMEM);
- OBD_ALLOC((*lsmp)->lsm_oinfo[0], sizeof(struct lov_oinfo));
- if (unlikely((*lsmp)->lsm_oinfo[0] == NULL)) {
- OBD_FREE(*lsmp, lsm_size);
- RETURN(-ENOMEM);
- }
- loi_init((*lsmp)->lsm_oinfo[0]);
- } else if (unlikely(ostid_id(&(*lsmp)->lsm_oi) == 0)) {
- RETURN(-EBADF);
- }
-
- if (lmm != NULL)
- /* XXX zero *lsmp? */
- ostid_le_to_cpu(&lmm->lmm_oi, &(*lsmp)->lsm_oi);
-
- if (imp != NULL &&
- (imp->imp_connect_data.ocd_connect_flags & OBD_CONNECT_MAXBYTES))
- (*lsmp)->lsm_maxbytes = imp->imp_connect_data.ocd_maxbytes;
- else
- (*lsmp)->lsm_maxbytes = LUSTRE_STRIPE_MAXBYTES;
-
- RETURN(lsm_size);
-}
-
-static inline void osc_pack_capa(struct ptlrpc_request *req,
- struct ost_body *body, void *capa)
-{
- struct obd_capa *oc = (struct obd_capa *)capa;
- struct lustre_capa *c;
-
- if (!capa)
- return;
-
- c = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1);
- LASSERT(c);
- capa_cpy(c, oc);
- body->oa.o_valid |= OBD_MD_FLOSSCAPA;
- DEBUG_CAPA(D_SEC, c, "pack");
-}
-
-static inline void osc_pack_req_body(struct ptlrpc_request *req,
- struct obd_info *oinfo)
+void osc_pack_req_body(struct ptlrpc_request *req, struct obdo *oa)
{
struct ost_body *body;
body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
LASSERT(body);
- lustre_set_wire_obdo(&req->rq_import->imp_connect_data, &body->oa,
- oinfo->oi_oa);
- osc_pack_capa(req, body, oinfo->oi_capa);
-}
-
-static inline void osc_set_capa_size(struct ptlrpc_request *req,
- const struct req_msg_field *field,
- struct obd_capa *oc)
-{
- if (oc == NULL)
- req_capsule_set_size(&req->rq_pill, field, RCL_CLIENT, 0);
- else
- /* it is already calculated as sizeof struct obd_capa */
- ;
-}
-
-static int osc_getattr_interpret(const struct lu_env *env,
- struct ptlrpc_request *req,
- struct osc_async_args *aa, int rc)
-{
- struct ost_body *body;
- ENTRY;
-
- if (rc != 0)
- GOTO(out, rc);
-
- body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- if (body) {
- CDEBUG(D_INODE, "mode: %o\n", body->oa.o_mode);
- lustre_get_wire_obdo(&req->rq_import->imp_connect_data,
- aa->aa_oi->oi_oa, &body->oa);
-
- /* This should really be sent by the OST */
- aa->aa_oi->oi_oa->o_blksize = DT_MAX_BRW_SIZE;
- aa->aa_oi->oi_oa->o_valid |= OBD_MD_FLBLKSZ;
- } else {
- CDEBUG(D_INFO, "can't unpack ost_body\n");
- rc = -EPROTO;
- aa->aa_oi->oi_oa->o_valid = 0;
- }
-out:
- rc = aa->aa_oi->oi_cb_up(aa->aa_oi, rc);
- RETURN(rc);
-}
-
-static int osc_getattr_async(struct obd_export *exp, struct obd_info *oinfo,
- struct ptlrpc_request_set *set)
-{
- struct ptlrpc_request *req;
- struct osc_async_args *aa;
- int rc;
- ENTRY;
-
- req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_GETATTR);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- osc_set_capa_size(req, &RMF_CAPA1, oinfo->oi_capa);
- rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_GETATTR);
- if (rc) {
- ptlrpc_request_free(req);
- RETURN(rc);
- }
-
- osc_pack_req_body(req, oinfo);
-
- ptlrpc_request_set_replen(req);
- req->rq_interpret_reply = (ptlrpc_interpterer_t)osc_getattr_interpret;
-
- CLASSERT(sizeof(*aa) <= sizeof(req->rq_async_args));
- aa = ptlrpc_req_async_args(req);
- aa->aa_oi = oinfo;
-
- ptlrpc_set_add_req(set, req);
- RETURN(0);
+ lustre_set_wire_obdo(&req->rq_import->imp_connect_data, &body->oa, oa);
}
static int osc_getattr(const struct lu_env *env, struct obd_export *exp,
- struct obd_info *oinfo)
+ struct obdo *oa)
{
- struct ptlrpc_request *req;
- struct ost_body *body;
- int rc;
- ENTRY;
+ struct ptlrpc_request *req;
+ struct ost_body *body;
+ int rc;
- req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_GETATTR);
- if (req == NULL)
- RETURN(-ENOMEM);
+ ENTRY;
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_GETATTR);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- osc_set_capa_size(req, &RMF_CAPA1, oinfo->oi_capa);
- rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_GETATTR);
- if (rc) {
- ptlrpc_request_free(req);
- RETURN(rc);
- }
+ rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_GETATTR);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- osc_pack_req_body(req, oinfo);
+ osc_pack_req_body(req, oa);
- ptlrpc_request_set_replen(req);
+ ptlrpc_request_set_replen(req);
- rc = ptlrpc_queue_wait(req);
- if (rc)
- GOTO(out, rc);
+ rc = ptlrpc_queue_wait(req);
+ if (rc)
+ GOTO(out, rc);
- body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- if (body == NULL)
- GOTO(out, rc = -EPROTO);
+ body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ if (body == NULL)
+ GOTO(out, rc = -EPROTO);
CDEBUG(D_INODE, "mode: %o\n", body->oa.o_mode);
- lustre_get_wire_obdo(&req->rq_import->imp_connect_data, oinfo->oi_oa,
- &body->oa);
+ lustre_get_wire_obdo(&req->rq_import->imp_connect_data, oa, &body->oa);
- oinfo->oi_oa->o_blksize = cli_brw_size(exp->exp_obd);
- oinfo->oi_oa->o_valid |= OBD_MD_FLBLKSZ;
+ oa->o_blksize = cli_brw_size(exp->exp_obd);
+ oa->o_valid |= OBD_MD_FLBLKSZ;
- EXIT;
- out:
- ptlrpc_req_finished(req);
- return rc;
+ EXIT;
+out:
+ ptlrpc_req_finished(req);
+
+ return rc;
}
static int osc_setattr(const struct lu_env *env, struct obd_export *exp,
- struct obd_info *oinfo, struct obd_trans_info *oti)
+ struct obdo *oa)
{
- struct ptlrpc_request *req;
- struct ost_body *body;
- int rc;
- ENTRY;
+ struct ptlrpc_request *req;
+ struct ost_body *body;
+ int rc;
- LASSERT(oinfo->oi_oa->o_valid & OBD_MD_FLGROUP);
+ ENTRY;
+ LASSERT(oa->o_valid & OBD_MD_FLGROUP);
- req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_SETATTR);
- if (req == NULL)
- RETURN(-ENOMEM);
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_SETATTR);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- osc_set_capa_size(req, &RMF_CAPA1, oinfo->oi_capa);
- rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_SETATTR);
- if (rc) {
- ptlrpc_request_free(req);
- RETURN(rc);
- }
+ rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_SETATTR);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- osc_pack_req_body(req, oinfo);
+ osc_pack_req_body(req, oa);
- ptlrpc_request_set_replen(req);
+ ptlrpc_request_set_replen(req);
- rc = ptlrpc_queue_wait(req);
- if (rc)
- GOTO(out, rc);
+ rc = ptlrpc_queue_wait(req);
+ if (rc)
+ GOTO(out, rc);
- body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- if (body == NULL)
- GOTO(out, rc = -EPROTO);
+ body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ if (body == NULL)
+ GOTO(out, rc = -EPROTO);
- lustre_get_wire_obdo(&req->rq_import->imp_connect_data, oinfo->oi_oa,
- &body->oa);
+ lustre_get_wire_obdo(&req->rq_import->imp_connect_data, oa, &body->oa);
- EXIT;
+ EXIT;
out:
- ptlrpc_req_finished(req);
- RETURN(rc);
+ ptlrpc_req_finished(req);
+
+ RETURN(rc);
}
static int osc_setattr_interpret(const struct lu_env *env,
RETURN(rc);
}
-int osc_setattr_async_base(struct obd_export *exp, struct obd_info *oinfo,
- struct obd_trans_info *oti,
- obd_enqueue_update_f upcall, void *cookie,
- struct ptlrpc_request_set *rqset)
+int osc_setattr_async(struct obd_export *exp, struct obdo *oa,
+ obd_enqueue_update_f upcall, void *cookie,
+ struct ptlrpc_request_set *rqset)
{
- struct ptlrpc_request *req;
- struct osc_setattr_args *sa;
- int rc;
- ENTRY;
+ struct ptlrpc_request *req;
+ struct osc_setattr_args *sa;
+ int rc;
- req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_SETATTR);
- if (req == NULL)
- RETURN(-ENOMEM);
+ ENTRY;
- osc_set_capa_size(req, &RMF_CAPA1, oinfo->oi_capa);
- rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_SETATTR);
- if (rc) {
- ptlrpc_request_free(req);
- RETURN(rc);
- }
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_SETATTR);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- if (oti && oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
- oinfo->oi_oa->o_lcookie = *oti->oti_logcookies;
+ rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_SETATTR);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- osc_pack_req_body(req, oinfo);
+ osc_pack_req_body(req, oa);
- ptlrpc_request_set_replen(req);
+ ptlrpc_request_set_replen(req);
- /* do mds to ost setattr asynchronously */
- if (!rqset) {
- /* Do not wait for response. */
- ptlrpcd_add_req(req, PDL_POLICY_ROUND, -1);
- } else {
- req->rq_interpret_reply =
- (ptlrpc_interpterer_t)osc_setattr_interpret;
-
- CLASSERT (sizeof(*sa) <= sizeof(req->rq_async_args));
- sa = ptlrpc_req_async_args(req);
- sa->sa_oa = oinfo->oi_oa;
- sa->sa_upcall = upcall;
- sa->sa_cookie = cookie;
-
- if (rqset == PTLRPCD_SET)
- ptlrpcd_add_req(req, PDL_POLICY_ROUND, -1);
- else
- ptlrpc_set_add_req(rqset, req);
- }
+ /* do mds to ost setattr asynchronously */
+ if (!rqset) {
+ /* Do not wait for response. */
+ ptlrpcd_add_req(req);
+ } else {
+ req->rq_interpret_reply =
+ (ptlrpc_interpterer_t)osc_setattr_interpret;
- RETURN(0);
-}
+ CLASSERT(sizeof(*sa) <= sizeof(req->rq_async_args));
+ sa = ptlrpc_req_async_args(req);
+ sa->sa_oa = oa;
+ sa->sa_upcall = upcall;
+ sa->sa_cookie = cookie;
-static int osc_setattr_async(struct obd_export *exp, struct obd_info *oinfo,
- struct obd_trans_info *oti,
- struct ptlrpc_request_set *rqset)
-{
- return osc_setattr_async_base(exp, oinfo, oti,
- oinfo->oi_cb_up, oinfo, rqset);
+ if (rqset == PTLRPCD_SET)
+ ptlrpcd_add_req(req);
+ else
+ ptlrpc_set_add_req(rqset, req);
+ }
+
+ RETURN(0);
}
-int osc_real_create(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md **ea, struct obd_trans_info *oti)
+static int osc_create(const struct lu_env *env, struct obd_export *exp,
+ struct obdo *oa)
{
struct ptlrpc_request *req;
struct ost_body *body;
- struct lov_stripe_md *lsm;
int rc;
ENTRY;
- LASSERT(oa);
- LASSERT(ea);
-
- lsm = *ea;
- if (!lsm) {
- rc = obd_alloc_memmd(exp, &lsm);
- if (rc < 0)
- RETURN(rc);
- }
+ LASSERT(oa != NULL);
+ LASSERT(oa->o_valid & OBD_MD_FLGROUP);
+ LASSERT(fid_seq_is_echo(ostid_seq(&oa->o_oi)));
req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_CREATE);
if (req == NULL)
ptlrpc_request_set_replen(req);
- if ((oa->o_valid & OBD_MD_FLFLAGS) &&
- oa->o_flags == OBD_FL_DELORPHAN) {
- DEBUG_REQ(D_HA, req,
- "delorphan from OST integration");
- /* Don't resend the delorphan req */
- req->rq_no_resend = req->rq_no_delay = 1;
- }
-
rc = ptlrpc_queue_wait(req);
if (rc)
GOTO(out_req, rc);
oa->o_blksize = cli_brw_size(exp->exp_obd);
oa->o_valid |= OBD_MD_FLBLKSZ;
- /* XXX LOV STACKING: the lsm that is passed to us from LOV does not
- * have valid lsm_oinfo data structs, so don't go touching that.
- * This needs to be fixed in a big way.
- */
- lsm->lsm_oi = oa->o_oi;
- *ea = lsm;
-
- if (oti != NULL) {
- oti->oti_transno = lustre_msg_get_transno(req->rq_repmsg);
-
- if (oa->o_valid & OBD_MD_FLCOOKIE) {
- if (!oti->oti_logcookies)
- oti_alloc_cookies(oti, 1);
- *oti->oti_logcookies = oa->o_lcookie;
- }
- }
-
- CDEBUG(D_HA, "transno: "LPD64"\n",
- lustre_msg_get_transno(req->rq_repmsg));
+ CDEBUG(D_HA, "transno: "LPD64"\n",
+ lustre_msg_get_transno(req->rq_repmsg));
out_req:
- ptlrpc_req_finished(req);
+ ptlrpc_req_finished(req);
out:
- if (rc && !*ea)
- obd_free_memmd(exp, &lsm);
- RETURN(rc);
+ RETURN(rc);
}
-int osc_punch_base(struct obd_export *exp, struct obd_info *oinfo,
+int osc_punch_base(struct obd_export *exp, struct obdo *oa,
obd_enqueue_update_f upcall, void *cookie,
struct ptlrpc_request_set *rqset)
{
if (req == NULL)
RETURN(-ENOMEM);
- osc_set_capa_size(req, &RMF_CAPA1, oinfo->oi_capa);
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_PUNCH);
if (rc) {
ptlrpc_request_free(req);
body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
LASSERT(body);
- lustre_set_wire_obdo(&req->rq_import->imp_connect_data, &body->oa,
- oinfo->oi_oa);
- osc_pack_capa(req, body, oinfo->oi_capa);
+ lustre_set_wire_obdo(&req->rq_import->imp_connect_data, &body->oa, oa);
- ptlrpc_request_set_replen(req);
+ ptlrpc_request_set_replen(req);
- req->rq_interpret_reply = (ptlrpc_interpterer_t)osc_setattr_interpret;
- CLASSERT (sizeof(*sa) <= sizeof(req->rq_async_args));
- sa = ptlrpc_req_async_args(req);
- sa->sa_oa = oinfo->oi_oa;
- sa->sa_upcall = upcall;
- sa->sa_cookie = cookie;
- if (rqset == PTLRPCD_SET)
- ptlrpcd_add_req(req, PDL_POLICY_ROUND, -1);
- else
- ptlrpc_set_add_req(rqset, req);
+ req->rq_interpret_reply = (ptlrpc_interpterer_t)osc_setattr_interpret;
+ CLASSERT(sizeof(*sa) <= sizeof(req->rq_async_args));
+ sa = ptlrpc_req_async_args(req);
+ sa->sa_oa = oa;
+ sa->sa_upcall = upcall;
+ sa->sa_cookie = cookie;
+ if (rqset == PTLRPCD_SET)
+ ptlrpcd_add_req(req);
+ else
+ ptlrpc_set_add_req(rqset, req);
- RETURN(0);
+ RETURN(0);
}
static int osc_sync_interpret(const struct lu_env *env,
struct ptlrpc_request *req,
void *arg, int rc)
{
- struct osc_fsync_args *fa = arg;
- struct ost_body *body;
- ENTRY;
+ struct osc_fsync_args *fa = arg;
+ struct ost_body *body;
+ struct cl_attr *attr = &osc_env_info(env)->oti_attr;
+ unsigned long valid = 0;
+ struct cl_object *obj;
+ ENTRY;
- if (rc)
- GOTO(out, rc);
+ if (rc != 0)
+ GOTO(out, rc);
- body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- if (body == NULL) {
- CERROR ("can't unpack ost_body\n");
- GOTO(out, rc = -EPROTO);
- }
+ body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ if (body == NULL) {
+ CERROR("can't unpack ost_body\n");
+ GOTO(out, rc = -EPROTO);
+ }
+
+ *fa->fa_oa = body->oa;
+ obj = osc2cl(fa->fa_obj);
+
+ /* Update osc object's blocks attribute */
+ cl_object_attr_lock(obj);
+ if (body->oa.o_valid & OBD_MD_FLBLOCKS) {
+ attr->cat_blocks = body->oa.o_blocks;
+ valid |= CAT_BLOCKS;
+ }
+
+ if (valid != 0)
+ cl_object_attr_update(env, obj, attr, valid);
+ cl_object_attr_unlock(obj);
- *fa->fa_oi->oi_oa = body->oa;
out:
rc = fa->fa_upcall(fa->fa_cookie, rc);
RETURN(rc);
}
-int osc_sync_base(struct obd_export *exp, struct obd_info *oinfo,
+int osc_sync_base(struct osc_object *obj, struct obdo *oa,
obd_enqueue_update_f upcall, void *cookie,
struct ptlrpc_request_set *rqset)
{
+ struct obd_export *exp = osc_export(obj);
struct ptlrpc_request *req;
struct ost_body *body;
struct osc_fsync_args *fa;
if (req == NULL)
RETURN(-ENOMEM);
- osc_set_capa_size(req, &RMF_CAPA1, oinfo->oi_capa);
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_SYNC);
if (rc) {
ptlrpc_request_free(req);
/* overload the size and blocks fields in the oa with start/end */
body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
LASSERT(body);
- lustre_set_wire_obdo(&req->rq_import->imp_connect_data, &body->oa,
- oinfo->oi_oa);
- osc_pack_capa(req, body, oinfo->oi_capa);
+ lustre_set_wire_obdo(&req->rq_import->imp_connect_data, &body->oa, oa);
- ptlrpc_request_set_replen(req);
- req->rq_interpret_reply = osc_sync_interpret;
+ ptlrpc_request_set_replen(req);
+ req->rq_interpret_reply = osc_sync_interpret;
CLASSERT(sizeof(*fa) <= sizeof(req->rq_async_args));
fa = ptlrpc_req_async_args(req);
- fa->fa_oi = oinfo;
+ fa->fa_obj = obj;
+ fa->fa_oa = oa;
fa->fa_upcall = upcall;
fa->fa_cookie = cookie;
if (rqset == PTLRPCD_SET)
- ptlrpcd_add_req(req, PDL_POLICY_ROUND, -1);
+ ptlrpcd_add_req(req);
else
ptlrpc_set_add_req(rqset, req);
* locks added to @cancels list. */
static int osc_resource_get_unused(struct obd_export *exp, struct obdo *oa,
struct list_head *cancels,
- ldlm_mode_t mode, __u64 lock_flags)
+ enum ldlm_mode mode, __u64 lock_flags)
{
- struct ldlm_namespace *ns = exp->exp_obd->obd_namespace;
- struct ldlm_res_id res_id;
- struct ldlm_resource *res;
- int count;
- ENTRY;
+ struct ldlm_namespace *ns = exp->exp_obd->obd_namespace;
+ struct ldlm_res_id res_id;
+ struct ldlm_resource *res;
+ int count;
+ ENTRY;
/* Return, i.e. cancel nothing, only if ELC is supported (flag in
* export) but disabled through procfs (flag in NS).
ostid_build_res_name(&oa->o_oi, &res_id);
res = ldlm_resource_get(ns, NULL, &res_id, 0, 0);
- if (res == NULL)
+ if (IS_ERR(res))
RETURN(0);
LDLM_RESOURCE_ADDREF(res);
return 0;
}
-int osc_create(const struct lu_env *env, struct obd_export *exp,
- struct obdo *oa, struct lov_stripe_md **ea,
- struct obd_trans_info *oti)
-{
- int rc = 0;
- ENTRY;
-
- LASSERT(oa);
- LASSERT(ea);
- LASSERT(oa->o_valid & OBD_MD_FLGROUP);
-
- if ((oa->o_valid & OBD_MD_FLFLAGS) &&
- oa->o_flags == OBD_FL_RECREATE_OBJS) {
- RETURN(osc_real_create(exp, oa, ea, oti));
- }
-
- if (!fid_seq_is_mdt(ostid_seq(&oa->o_oi)))
- RETURN(osc_real_create(exp, oa, ea, oti));
-
- /* we should not get here anymore */
- LBUG();
-
- RETURN(rc);
-}
-
-/* Destroy requests can be async always on the client, and we don't even really
- * care about the return code since the client cannot do anything at all about
- * a destroy failure.
- * When the MDS is unlinking a filename, it saves the file objects into a
- * recovery llog, and these object records are cancelled when the OST reports
- * they were destroyed and sync'd to disk (i.e. transaction committed).
- * If the client dies, or the OST is down when the object should be destroyed,
- * the records are not cancelled, and when the OST reconnects to the MDS next,
- * it will retrieve the llog unlink logs and then sends the log cancellation
- * cookies to the MDS after committing destroy transactions. */
static int osc_destroy(const struct lu_env *env, struct obd_export *exp,
- struct obdo *oa, struct lov_stripe_md *ea,
- struct obd_trans_info *oti, struct obd_export *md_export,
- void *capa)
+ struct obdo *oa)
{
struct client_obd *cli = &exp->exp_obd->u.cli;
struct ptlrpc_request *req;
RETURN(-ENOMEM);
}
- osc_set_capa_size(req, &RMF_CAPA1, (struct obd_capa *)capa);
rc = ldlm_prep_elc_req(exp, req, LUSTRE_OST_VERSION, OST_DESTROY,
0, &cancels, count);
if (rc) {
req->rq_request_portal = OST_IO_PORTAL; /* bug 7198 */
ptlrpc_at_set_req_timeout(req);
- if (oti != NULL && oa->o_valid & OBD_MD_FLCOOKIE)
- oa->o_lcookie = *oti->oti_logcookies;
body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
LASSERT(body);
lustre_set_wire_obdo(&req->rq_import->imp_connect_data, &body->oa, oa);
- osc_pack_capa(req, body, (struct obd_capa *)capa);
ptlrpc_request_set_replen(req);
- /* If osc_destory is for destroying the unlink orphan,
- * sent from MDT to OST, which should not be blocked here,
- * because the process might be triggered by ptlrpcd, and
- * it is not good to block ptlrpcd thread (b=16006)*/
- if (!(oa->o_flags & OBD_FL_DELORPHAN)) {
- req->rq_interpret_reply = osc_destroy_interpret;
- if (!osc_can_send_destroy(cli)) {
- struct l_wait_info lwi = LWI_INTR(LWI_ON_SIGNAL_NOOP,
- NULL);
-
- /*
- * Wait until the number of on-going destroy RPCs drops
- * under max_rpc_in_flight
- */
- l_wait_event_exclusive(cli->cl_destroy_waitq,
- osc_can_send_destroy(cli), &lwi);
- }
- }
+ req->rq_interpret_reply = osc_destroy_interpret;
+ if (!osc_can_send_destroy(cli)) {
+ struct l_wait_info lwi = LWI_INTR(LWI_ON_SIGNAL_NOOP, NULL);
- /* Do not wait for response */
- ptlrpcd_add_req(req, PDL_POLICY_ROUND, -1);
- RETURN(0);
+ /*
+ * Wait until the number of on-going destroy RPCs drops
+ * under max_rpc_in_flight
+ */
+ l_wait_event_exclusive(cli->cl_destroy_waitq,
+ osc_can_send_destroy(cli), &lwi);
+ }
+
+ /* Do not wait for response */
+ ptlrpcd_add_req(req);
+ RETURN(0);
}
static void osc_announce_cached(struct client_obd *cli, struct obdo *oa,
long writing_bytes)
{
- obd_flag bits = OBD_MD_FLBLOCKS|OBD_MD_FLGRANT;
+ u64 bits = OBD_MD_FLBLOCKS | OBD_MD_FLGRANT;
- LASSERT(!(oa->o_valid & bits));
+ LASSERT(!(oa->o_valid & bits));
- oa->o_valid |= bits;
- client_obd_list_lock(&cli->cl_loi_list_lock);
- oa->o_dirty = cli->cl_dirty;
- if (unlikely(cli->cl_dirty - cli->cl_dirty_transit >
- cli->cl_dirty_max)) {
+ oa->o_valid |= bits;
+ spin_lock(&cli->cl_loi_list_lock);
+ oa->o_dirty = cli->cl_dirty_pages << PAGE_CACHE_SHIFT;
+ if (unlikely(cli->cl_dirty_pages - cli->cl_dirty_transit >
+ cli->cl_dirty_max_pages)) {
CERROR("dirty %lu - %lu > dirty_max %lu\n",
- cli->cl_dirty, cli->cl_dirty_transit, cli->cl_dirty_max);
+ cli->cl_dirty_pages, cli->cl_dirty_transit,
+ cli->cl_dirty_max_pages);
oa->o_undirty = 0;
- } else if (unlikely(atomic_read(&obd_unstable_pages) +
- atomic_read(&obd_dirty_pages) -
- atomic_read(&obd_dirty_transit_pages) >
+ } else if (unlikely(atomic_long_read(&obd_dirty_pages) -
+ atomic_long_read(&obd_dirty_transit_pages) >
(long)(obd_max_dirty_pages + 1))) {
/* The atomic_read() allowing the atomic_inc() are
* not covered by a lock thus they may safely race and trip
* this CERROR() unless we add in a small fudge factor (+1). */
- CERROR("%s: dirty %d + %d - %d > system dirty_max %d\n",
- cli->cl_import->imp_obd->obd_name,
- atomic_read(&obd_unstable_pages),
- atomic_read(&obd_dirty_pages),
- atomic_read(&obd_dirty_transit_pages),
+ CERROR("%s: dirty %ld - %ld > system dirty_max %ld\n",
+ cli_name(cli), atomic_long_read(&obd_dirty_pages),
+ atomic_long_read(&obd_dirty_transit_pages),
obd_max_dirty_pages);
oa->o_undirty = 0;
- } else if (unlikely(cli->cl_dirty_max - cli->cl_dirty > 0x7fffffff)) {
+ } else if (unlikely(cli->cl_dirty_max_pages - cli->cl_dirty_pages >
+ 0x7fffffff)) {
CERROR("dirty %lu - dirty_max %lu too big???\n",
- cli->cl_dirty, cli->cl_dirty_max);
+ cli->cl_dirty_pages, cli->cl_dirty_max_pages);
oa->o_undirty = 0;
} else {
- long max_in_flight = (cli->cl_max_pages_per_rpc <<
+ unsigned long max_in_flight = (cli->cl_max_pages_per_rpc <<
PAGE_CACHE_SHIFT) *
(cli->cl_max_rpcs_in_flight + 1);
- oa->o_undirty = max(cli->cl_dirty_max, max_in_flight);
+ oa->o_undirty = max(cli->cl_dirty_max_pages << PAGE_CACHE_SHIFT,
+ max_in_flight);
}
oa->o_grant = cli->cl_avail_grant + cli->cl_reserved_grant;
oa->o_dropped = cli->cl_lost_grant;
cli->cl_lost_grant = 0;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
CDEBUG(D_CACHE,"dirty: "LPU64" undirty: %u dropped %u grant: "LPU64"\n",
oa->o_dirty, oa->o_undirty, oa->o_dropped, oa->o_grant);
cli->cl_next_shrink_grant);
}
-static void __osc_update_grant(struct client_obd *cli, obd_size grant)
+static void __osc_update_grant(struct client_obd *cli, u64 grant)
{
- client_obd_list_lock(&cli->cl_loi_list_lock);
- cli->cl_avail_grant += grant;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
+ cli->cl_avail_grant += grant;
+ spin_unlock(&cli->cl_loi_list_lock);
}
static void osc_update_grant(struct client_obd *cli, struct ost_body *body)
}
static int osc_set_info_async(const struct lu_env *env, struct obd_export *exp,
- obd_count keylen, void *key, obd_count vallen,
- void *val, struct ptlrpc_request_set *set);
+ u32 keylen, void *key,
+ u32 vallen, void *val,
+ struct ptlrpc_request_set *set);
static int osc_shrink_grant_interpret(const struct lu_env *env,
struct ptlrpc_request *req,
static void osc_shrink_grant_local(struct client_obd *cli, struct obdo *oa)
{
- client_obd_list_lock(&cli->cl_loi_list_lock);
- oa->o_grant = cli->cl_avail_grant / 4;
- cli->cl_avail_grant -= oa->o_grant;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
+ oa->o_grant = cli->cl_avail_grant / 4;
+ cli->cl_avail_grant -= oa->o_grant;
+ spin_unlock(&cli->cl_loi_list_lock);
if (!(oa->o_valid & OBD_MD_FLFLAGS)) {
oa->o_valid |= OBD_MD_FLFLAGS;
oa->o_flags = 0;
__u64 target_bytes = (cli->cl_max_rpcs_in_flight + 1) *
(cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT);
- client_obd_list_lock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
if (cli->cl_avail_grant <= target_bytes)
target_bytes = cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
return osc_shrink_grant_to_target(cli, target_bytes);
}
struct ost_body *body;
ENTRY;
- client_obd_list_lock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
/* Don't shrink if we are already above or below the desired limit
* We don't want to shrink below a single RPC, as that will negatively
* impact block allocation and long-term performance. */
target_bytes = cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT;
if (target_bytes >= cli->cl_avail_grant) {
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
RETURN(0);
}
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
OBD_ALLOC_PTR(body);
if (!body)
osc_announce_cached(cli, &body->oa, 0);
- client_obd_list_lock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
body->oa.o_grant = cli->cl_avail_grant - target_bytes;
cli->cl_avail_grant = target_bytes;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
if (!(body->oa.o_valid & OBD_MD_FLFLAGS)) {
body->oa.o_valid |= OBD_MD_FLFLAGS;
body->oa.o_flags = 0;
static int osc_add_shrink_grant(struct client_obd *client)
{
- int rc;
+ int rc;
- rc = ptlrpc_add_timeout_client(client->cl_grant_shrink_interval,
- TIMEOUT_GRANT,
- osc_grant_shrink_grant_cb, NULL,
- &client->cl_grant_shrink_list);
- if (rc) {
- CERROR("add grant client %s error %d\n",
- client->cl_import->imp_obd->obd_name, rc);
- return rc;
- }
- CDEBUG(D_CACHE, "add grant client %s \n",
- client->cl_import->imp_obd->obd_name);
- osc_update_next_shrink(client);
- return 0;
+ rc = ptlrpc_add_timeout_client(client->cl_grant_shrink_interval,
+ TIMEOUT_GRANT,
+ osc_grant_shrink_grant_cb, NULL,
+ &client->cl_grant_shrink_list);
+ if (rc) {
+ CERROR("add grant client %s error %d\n", cli_name(client), rc);
+ return rc;
+ }
+ CDEBUG(D_CACHE, "add grant client %s\n", cli_name(client));
+ osc_update_next_shrink(client);
+ return 0;
}
static int osc_del_shrink_grant(struct client_obd *client)
static void osc_init_grant(struct client_obd *cli, struct obd_connect_data *ocd)
{
- /*
- * ocd_grant is the total grant amount we're expect to hold: if we've
- * been evicted, it's the new avail_grant amount, cl_dirty will drop
- * to 0 as inflight RPCs fail out; otherwise, it's avail_grant + dirty.
- *
- * race is tolerable here: if we're evicted, but imp_state already
- * left EVICTED state, then cl_dirty must be 0 already.
- */
- client_obd_list_lock(&cli->cl_loi_list_lock);
- if (cli->cl_import->imp_state == LUSTRE_IMP_EVICTED)
- cli->cl_avail_grant = ocd->ocd_grant;
- else
- cli->cl_avail_grant = ocd->ocd_grant - cli->cl_dirty;
+ /*
+ * ocd_grant is the total grant amount we're expect to hold: if we've
+ * been evicted, it's the new avail_grant amount, cl_dirty_pages will
+ * drop to 0 as inflight RPCs fail out; otherwise, it's avail_grant +
+ * dirty.
+ *
+ * race is tolerable here: if we're evicted, but imp_state already
+ * left EVICTED state, then cl_dirty_pages must be 0 already.
+ */
+ spin_lock(&cli->cl_loi_list_lock);
+ if (cli->cl_import->imp_state == LUSTRE_IMP_EVICTED)
+ cli->cl_avail_grant = ocd->ocd_grant;
+ else
+ cli->cl_avail_grant = ocd->ocd_grant -
+ (cli->cl_dirty_pages << PAGE_CACHE_SHIFT);
if (cli->cl_avail_grant < 0) {
CWARN("%s: available grant < 0: avail/ocd/dirty %ld/%u/%ld\n",
- cli->cl_import->imp_obd->obd_name, cli->cl_avail_grant,
- ocd->ocd_grant, cli->cl_dirty);
+ cli_name(cli), cli->cl_avail_grant,
+ ocd->ocd_grant, cli->cl_dirty_pages << PAGE_CACHE_SHIFT);
/* workaround for servers which do not have the patch from
* LU-2679 */
cli->cl_avail_grant = ocd->ocd_grant;
/* determine the appropriate chunk size used by osc_extent. */
cli->cl_chunkbits = max_t(int, PAGE_CACHE_SHIFT, ocd->ocd_blocksize);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
CDEBUG(D_CACHE, "%s, setting cl_avail_grant: %ld cl_lost_grant: %ld."
- "chunk bits: %d.\n", cli->cl_import->imp_obd->obd_name,
- cli->cl_avail_grant, cli->cl_lost_grant, cli->cl_chunkbits);
+ "chunk bits: %d.\n", cli_name(cli), cli->cl_avail_grant,
+ cli->cl_lost_grant, cli->cl_chunkbits);
if (ocd->ocd_connect_flags & OBD_CONNECT_GRANT_SHRINK &&
list_empty(&cli->cl_grant_shrink_list))
* beyond the end of a stripe file; i.e. lustre is reading a sparse file
* via the LOV, and it _knows_ it's reading inside the file, it's just that
* this stripe never got written at or beyond this stripe offset yet. */
-static void handle_short_read(int nob_read, obd_count page_count,
+static void handle_short_read(int nob_read, size_t page_count,
struct brw_page **pga)
{
char *ptr;
if (pga[i]->count > nob_read) {
/* EOF inside this page */
ptr = kmap(pga[i]->pg) +
- (pga[i]->off & ~CFS_PAGE_MASK);
+ (pga[i]->off & ~PAGE_MASK);
memset(ptr + nob_read, 0, pga[i]->count - nob_read);
kunmap(pga[i]->pg);
page_count--;
/* zero remaining pages */
while (page_count-- > 0) {
- ptr = kmap(pga[i]->pg) + (pga[i]->off & ~CFS_PAGE_MASK);
+ ptr = kmap(pga[i]->pg) + (pga[i]->off & ~PAGE_MASK);
memset(ptr, 0, pga[i]->count);
kunmap(pga[i]->pg);
i++;
}
static int check_write_rcs(struct ptlrpc_request *req,
- int requested_nob, int niocount,
- obd_count page_count, struct brw_page **pga)
+ int requested_nob, int niocount,
+ size_t page_count, struct brw_page **pga)
{
int i;
__u32 *remote_rcs;
* safe to combine */
if (unlikely((p1->flag & mask) != (p2->flag & mask))) {
CWARN("Saw flags 0x%x and 0x%x in the same brw, please "
- "report this at http://bugs.whamcloud.com/\n",
+ "report this at https://jira.hpdd.intel.com/\n",
p1->flag, p2->flag);
}
return 0;
return (p1->off + p1->count == p2->off);
}
-static obd_count osc_checksum_bulk(int nob, obd_count pg_count,
- struct brw_page **pga, int opc,
- cksum_type_t cksum_type)
+static u32 osc_checksum_bulk(int nob, size_t pg_count,
+ struct brw_page **pga, int opc,
+ cksum_type_t cksum_type)
{
- __u32 cksum;
+ u32 cksum;
int i = 0;
struct cfs_crypto_hash_desc *hdesc;
unsigned int bufsize;
}
while (nob > 0 && pg_count > 0) {
- int count = pga[i]->count > nob ? nob : pga[i]->count;
+ unsigned int count = pga[i]->count > nob ? nob : pga[i]->count;
/* corrupt the data before we compute the checksum, to
* simulate an OST->client data error */
if (i == 0 && opc == OST_READ &&
OBD_FAIL_CHECK(OBD_FAIL_OSC_CHECKSUM_RECEIVE)) {
unsigned char *ptr = kmap(pga[i]->pg);
- int off = pga[i]->off & ~CFS_PAGE_MASK;
- memcpy(ptr + off, "bad1", min(4, nob));
+ int off = pga[i]->off & ~PAGE_MASK;
+
+ memcpy(ptr + off, "bad1", min_t(typeof(nob), 4, nob));
kunmap(pga[i]->pg);
}
cfs_crypto_hash_update_page(hdesc, pga[i]->pg,
- pga[i]->off & ~CFS_PAGE_MASK,
- count);
+ pga[i]->off & ~PAGE_MASK,
+ count);
LL_CDEBUG_PAGE(D_PAGE, pga[i]->pg, "off %d\n",
- (int)(pga[i]->off & ~CFS_PAGE_MASK));
+ (int)(pga[i]->off & ~PAGE_MASK));
nob -= pga[i]->count;
pg_count--;
i++;
}
- bufsize = 4;
+ bufsize = sizeof(cksum);
err = cfs_crypto_hash_final(hdesc, (unsigned char *)&cksum, &bufsize);
- if (err)
- cfs_crypto_hash_final(hdesc, NULL, NULL);
-
/* For sending we only compute the wrong checksum instead
* of corrupting the data so it is still correct on a redo */
if (opc == OST_WRITE && OBD_FAIL_CHECK(OBD_FAIL_OSC_CHECKSUM_SEND))
return cksum;
}
-static int osc_brw_prep_request(int cmd, struct client_obd *cli,struct obdo *oa,
- struct lov_stripe_md *lsm, obd_count page_count,
- struct brw_page **pga,
- struct ptlrpc_request **reqp,
- struct obd_capa *ocapa, int reserve,
- int resend)
+static int
+osc_brw_prep_request(int cmd, struct client_obd *cli, struct obdo *oa,
+ u32 page_count, struct brw_page **pga,
+ struct ptlrpc_request **reqp, int resend)
{
struct ptlrpc_request *req;
struct ptlrpc_bulk_desc *desc;
if (OBD_FAIL_CHECK(OBD_FAIL_OSC_BRW_PREP_REQ2))
RETURN(-EINVAL); /* Fatal */
- if ((cmd & OBD_BRW_WRITE) != 0) {
- opc = OST_WRITE;
- req = ptlrpc_request_alloc_pool(cli->cl_import,
- cli->cl_import->imp_rq_pool,
- &RQF_OST_BRW_WRITE);
- } else {
- opc = OST_READ;
- req = ptlrpc_request_alloc(cli->cl_import, &RQF_OST_BRW_READ);
- }
+ if ((cmd & OBD_BRW_WRITE) != 0) {
+ opc = OST_WRITE;
+ req = ptlrpc_request_alloc_pool(cli->cl_import,
+ osc_rq_pool,
+ &RQF_OST_BRW_WRITE);
+ } else {
+ opc = OST_READ;
+ req = ptlrpc_request_alloc(cli->cl_import, &RQF_OST_BRW_READ);
+ }
if (req == NULL)
RETURN(-ENOMEM);
sizeof(*ioobj));
req_capsule_set_size(pill, &RMF_NIOBUF_REMOTE, RCL_CLIENT,
niocount * sizeof(*niobuf));
- osc_set_capa_size(req, &RMF_CAPA1, ocapa);
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, opc);
if (rc) {
desc = ptlrpc_prep_bulk_imp(req, page_count,
cli->cl_import->imp_connect_data.ocd_brw_size >> LNET_MTU_BITS,
- opc == OST_WRITE ? BULK_GET_SOURCE : BULK_PUT_SINK,
- OST_BULK_PORTAL);
+ (opc == OST_WRITE ? PTLRPC_BULK_GET_SOURCE :
+ PTLRPC_BULK_PUT_SINK) |
+ PTLRPC_BULK_BUF_KIOV,
+ OST_BULK_PORTAL,
+ &ptlrpc_bulk_kiov_pin_ops);
if (desc == NULL)
GOTO(out, rc = -ENOMEM);
* "max - 1" for old client compatibility sending "0", and also so the
* the actual maximum is a power-of-two number, not one less. LU-1431 */
ioobj_max_brw_set(ioobj, desc->bd_md_max_brw);
- osc_pack_capa(req, body, ocapa);
LASSERT(page_count > 0);
pg_prev = pga[0];
for (requested_nob = i = 0; i < page_count; i++, niobuf++) {
struct brw_page *pg = pga[i];
- int poff = pg->off & ~CFS_PAGE_MASK;
+ int poff = pg->off & ~PAGE_MASK;
LASSERT(pg->count > 0);
/* make sure there is no gap in the middle of page array */
ergo(i == page_count - 1, poff == 0)),
"i: %d/%d pg: %p off: "LPU64", count: %u\n",
i, page_count, pg, pg->off, pg->count);
-#ifdef __linux__
LASSERTF(i == 0 || pg->off > pg_prev->off,
"i %d p_c %u pg %p [pri %lu ind %lu] off "LPU64
" prev_pg %p [pri %lu ind %lu] off "LPU64"\n",
pg->pg, page_private(pg->pg), pg->pg->index, pg->off,
pg_prev->pg, page_private(pg_prev->pg),
pg_prev->pg->index, pg_prev->off);
-#else
- LASSERTF(i == 0 || pg->off > pg_prev->off,
- "i %d p_c %u\n", i, page_count);
-#endif
LASSERT((pga[0]->flag & OBD_BRW_SRVLOCK) ==
(pg->flag & OBD_BRW_SRVLOCK));
- ptlrpc_prep_bulk_page_pin(desc, pg->pg, poff, pg->count);
+ desc->bd_frag_ops->add_kiov_frag(desc, pg->pg, poff, pg->count);
requested_nob += pg->count;
if (i > 0 && can_merge_pages(pg_prev, pg)) {
niobuf--;
- niobuf->len += pg->count;
- } else {
- niobuf->offset = pg->off;
- niobuf->len = pg->count;
- niobuf->flags = pg->flag;
+ niobuf->rnb_len += pg->count;
+ } else {
+ niobuf->rnb_offset = pg->off;
+ niobuf->rnb_len = pg->count;
+ niobuf->rnb_flags = pg->flag;
}
pg_prev = pg;
}
aa->aa_ppga = pga;
aa->aa_cli = cli;
INIT_LIST_HEAD(&aa->aa_oaps);
- if (ocapa && reserve)
- aa->aa_ocapa = capa_get(ocapa);
- *reqp = req;
+ *reqp = req;
+ niobuf = req_capsule_client_get(pill, &RMF_NIOBUF_REMOTE);
+ CDEBUG(D_RPCTRACE, "brw rpc %p - object "DOSTID" offset %lld<>%lld\n",
+ req, POSTID(&oa->o_oi), niobuf[0].rnb_offset,
+ niobuf[niocount - 1].rnb_offset + niobuf[niocount - 1].rnb_len);
RETURN(0);
out:
}
static int check_write_checksum(struct obdo *oa, const lnet_process_id_t *peer,
- __u32 client_cksum, __u32 server_cksum, int nob,
- obd_count page_count, struct brw_page **pga,
- cksum_type_t client_cksum_type)
+ __u32 client_cksum, __u32 server_cksum, int nob,
+ size_t page_count, struct brw_page **pga,
+ cksum_type_t client_cksum_type)
{
__u32 new_cksum;
char *msg;
&req->rq_import->imp_connection->c_peer;
struct client_obd *cli = aa->aa_cli;
struct ost_body *body;
- __u32 client_cksum = 0;
+ u32 client_cksum = 0;
ENTRY;
if (rc < 0 && rc != -EDQUOT) {
if (body->oa.o_valid & OBD_MD_FLCKSUM) {
static int cksum_counter;
- __u32 server_cksum = body->oa.o_cksum;
- char *via;
- char *router;
+ u32 server_cksum = body->oa.o_cksum;
+ char *via = "";
+ char *router = "";
cksum_type_t cksum_type;
cksum_type = cksum_type_unpack(body->oa.o_valid &OBD_MD_FLFLAGS?
aa->aa_ppga, OST_READ,
cksum_type);
- if (peer->nid == req->rq_bulk->bd_sender) {
- via = router = "";
- } else {
- via = " via ";
- router = libcfs_nid2str(req->rq_bulk->bd_sender);
- }
+ if (peer->nid != req->rq_bulk->bd_sender) {
+ via = " via ";
+ router = libcfs_nid2str(req->rq_bulk->bd_sender);
+ }
- if (server_cksum == ~0 && rc > 0) {
- CERROR("Protocol error: server %s set the 'checksum' "
- "bit, but didn't send a checksum. Not fatal, "
- "but please notify on http://bugs.whamcloud.com/\n",
- libcfs_nid2str(peer->nid));
- } else if (server_cksum != client_cksum) {
+ if (server_cksum != client_cksum) {
LCONSOLE_ERROR_MSG(0x133, "%s: BAD READ CHECKSUM: from "
"%s%s%s inode "DFID" object "DOSTID
" extent ["LPU64"-"LPU64"]\n",
DEBUG_REQ(rc == -EINPROGRESS ? D_RPCTRACE : D_ERROR, request,
"redo for recoverable error %d", rc);
- rc = osc_brw_prep_request(lustre_msg_get_opc(request->rq_reqmsg) ==
- OST_WRITE ? OBD_BRW_WRITE :OBD_BRW_READ,
- aa->aa_cli, aa->aa_oa,
- NULL /* lsm unused by osc currently */,
- aa->aa_page_count, aa->aa_ppga,
- &new_req, aa->aa_ocapa, 0, 1);
+ rc = osc_brw_prep_request(lustre_msg_get_opc(request->rq_reqmsg) ==
+ OST_WRITE ? OBD_BRW_WRITE : OBD_BRW_READ,
+ aa->aa_cli, aa->aa_oa, aa->aa_page_count,
+ aa->aa_ppga, &new_req, 1);
if (rc)
RETURN(rc);
}
}
- new_aa->aa_ocapa = aa->aa_ocapa;
- aa->aa_ocapa = NULL;
-
/* XXX: This code will run into problem if we're going to support
* to add a series of BRW RPCs into a self-defined ptlrpc_request_set
* and wait for all of them to be finished. We should inherit request
* set from old request. */
- ptlrpcd_add_req(new_req, PDL_POLICY_SAME, -1);
+ ptlrpcd_add_req(new_req);
DEBUG_REQ(D_INFO, new_req, "new request");
RETURN(0);
} while (stride > 1);
}
-static void osc_release_ppga(struct brw_page **ppga, obd_count count)
+static void osc_release_ppga(struct brw_page **ppga, size_t count)
{
LASSERT(ppga != NULL);
OBD_FREE(ppga, sizeof(*ppga) * count);
rc = -EIO;
}
- if (aa->aa_ocapa) {
- capa_put(aa->aa_ocapa);
- aa->aa_ocapa = NULL;
- }
-
if (rc == 0) {
struct obdo *oa = aa->aa_oa;
struct cl_attr *attr = &osc_env_info(env)->oti_attr;
if (lustre_msg_get_opc(req->rq_reqmsg) == OST_WRITE) {
struct lov_oinfo *loi = cl2osc(obj)->oo_oinfo;
- loff_t last_off = last->oap_count + last->oap_obj_off;
+ loff_t last_off = last->oap_count + last->oap_obj_off +
+ last->oap_page_off;
/* Change file size if this is an out of quota or
* direct IO write and it extends the file size */
}
if (valid != 0)
- cl_object_attr_set(env, obj, attr, valid);
+ cl_object_attr_update(env, obj, attr, valid);
cl_object_attr_unlock(obj);
}
OBDO_FREE(aa->aa_oa);
+ if (lustre_msg_get_opc(req->rq_reqmsg) == OST_WRITE && rc == 0)
+ osc_inc_unstable_pages(req);
+
list_for_each_entry_safe(ext, tmp, &aa->aa_exts, oe_link) {
list_del_init(&ext->oe_link);
osc_extent_finish(env, ext, 1, rc);
osc_release_ppga(aa->aa_ppga, aa->aa_page_count);
ptlrpc_lprocfs_brw(req, req->rq_bulk->bd_nob_transferred);
- client_obd_list_lock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
/* We need to decrement before osc_ap_completion->osc_wake_cache_waiters
* is called so we know whether to go to sync BRWs or wait for more
* RPCs to complete */
else
cli->cl_r_in_flight--;
osc_wake_cache_waiters(cli);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
- osc_io_unplug(env, cli, NULL, PDL_POLICY_SAME);
+ osc_io_unplug(env, cli, NULL);
RETURN(rc);
}
* Extents in the list must be in OES_RPC state.
*/
int osc_build_rpc(const struct lu_env *env, struct client_obd *cli,
- struct list_head *ext_list, int cmd, pdl_policy_t pol)
+ struct list_head *ext_list, int cmd)
{
struct ptlrpc_request *req = NULL;
struct osc_extent *ext;
struct cl_req *clerq = NULL;
enum cl_req_type crt = (cmd & OBD_BRW_WRITE) ? CRT_WRITE :
CRT_READ;
- struct ldlm_lock *lock = NULL;
struct cl_req_attr *crattr = NULL;
- obd_off starting_offset = OBD_OBJECT_EOF;
- obd_off ending_offset = 0;
+ loff_t starting_offset = OBD_OBJECT_EOF;
+ loff_t ending_offset = 0;
int mpflag = 0;
int mem_tight = 0;
int page_count = 0;
+ bool soft_sync = false;
int i;
int rc;
struct list_head rpc_list = LIST_HEAD_INIT(rpc_list);
-
+ struct ost_body *body;
ENTRY;
LASSERT(!list_empty(ext_list));
list_for_each_entry(oap, &ext->oe_pages, oap_pending_item) {
++page_count;
list_add_tail(&oap->oap_rpc_item, &rpc_list);
- if (starting_offset > oap->oap_obj_off)
+ if (starting_offset == OBD_OBJECT_EOF ||
+ starting_offset > oap->oap_obj_off)
starting_offset = oap->oap_obj_off;
else
LASSERT(oap->oap_page_off == 0);
}
}
+ soft_sync = osc_over_unstable_soft_limit(cli);
if (mem_tight)
mpflag = cfs_memory_pressure_get_and_set();
1 /* only 1-object rpcs for now */);
if (IS_ERR(clerq))
GOTO(out, rc = PTR_ERR(clerq));
- lock = oap->oap_ldlm_lock;
}
if (mem_tight)
oap->oap_brw_flags |= OBD_BRW_MEMALLOC;
+ if (soft_sync)
+ oap->oap_brw_flags |= OBD_BRW_SOFT_SYNC;
pga[i] = &oap->oap_brw_page;
pga[i]->off = oap->oap_obj_off + oap->oap_page_off;
CDEBUG(0, "put page %p index %lu oap %p flg %x to pga\n",
LASSERT(clerq != NULL);
crattr->cra_oa = oa;
cl_req_attr_set(env, clerq, crattr, ~0ULL);
- if (lock) {
- oa->o_handle = lock->l_remote_handle;
- oa->o_valid |= OBD_MD_FLHANDLE;
- }
rc = cl_req_prep(env, clerq);
if (rc != 0) {
}
sort_brw_pages(pga, page_count);
- rc = osc_brw_prep_request(cmd, cli, oa, NULL, page_count,
- pga, &req, crattr->cra_capa, 1, 0);
+ rc = osc_brw_prep_request(cmd, cli, oa, page_count, pga, &req, 0);
if (rc != 0) {
CERROR("prep_req failed: %d\n", rc);
GOTO(out, rc);
* later setattr before earlier BRW (as determined by the request xid),
* the OST will not use BRW timestamps. Sadly, there is no obvious
* way to do this in a single call. bug 10150 */
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
+ crattr->cra_oa = &body->oa;
cl_req_attr_set(env, clerq, crattr,
OBD_MD_FLMTIME|OBD_MD_FLCTIME|OBD_MD_FLATIME);
if (tmp != NULL)
tmp->oap_request = ptlrpc_request_addref(req);
- client_obd_list_lock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
starting_offset >>= PAGE_CACHE_SHIFT;
if (cmd == OBD_BRW_READ) {
cli->cl_r_in_flight++;
lprocfs_oh_tally_log2(&cli->cl_write_offset_hist,
starting_offset + 1);
}
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
- DEBUG_REQ(D_INODE, req, "%d pages, aa %p. now %dr/%dw in flight",
+ DEBUG_REQ(D_INODE, req, "%d pages, aa %p. now %ur/%uw in flight",
page_count, aa, cli->cl_r_in_flight,
cli->cl_w_in_flight);
- /* XXX: Maybe the caller can check the RPC bulk descriptor to
- * see which CPU/NUMA node the majority of pages were allocated
- * on, and try to assign the async RPC to the CPU core
- * (PDL_POLICY_PREFERRED) to reduce cross-CPU memory traffic.
- *
- * But on the other hand, we expect that multiple ptlrpcd
- * threads and the initial write sponsor can run in parallel,
- * especially when data checksum is enabled, which is CPU-bound
- * operation and single ptlrpcd thread cannot process in time.
- * So more ptlrpcd threads sharing BRW load
- * (with PDL_POLICY_ROUND) seems better.
- */
- ptlrpcd_add_req(req, pol, -1);
+ ptlrpcd_add_req(req);
rc = 0;
EXIT;
if (mem_tight != 0)
cfs_memory_pressure_restore(mpflag);
- if (crattr != NULL) {
- capa_put(crattr->cra_capa);
+ if (crattr != NULL)
OBD_FREE(crattr, sizeof(*crattr));
- }
if (rc != 0) {
LASSERT(req == NULL);
LASSERT(lock->l_glimpse_ast == einfo->ei_cb_gl);
lock_res_and_lock(lock);
- spin_lock(&osc_ast_guard);
if (lock->l_ast_data == NULL)
lock->l_ast_data = data;
if (lock->l_ast_data == data)
set = 1;
- spin_unlock(&osc_ast_guard);
unlock_res_and_lock(lock);
return set;
return set;
}
-static int osc_change_cbdata(struct obd_export *exp, struct lov_stripe_md *lsm,
- ldlm_iterator_t replace, void *data)
+static int osc_enqueue_fini(struct ptlrpc_request *req,
+ osc_enqueue_upcall_f upcall, void *cookie,
+ struct lustre_handle *lockh, enum ldlm_mode mode,
+ __u64 *flags, int agl, int errcode)
{
- struct ldlm_res_id res_id;
- struct obd_device *obd = class_exp2obd(exp);
-
- ostid_build_res_name(&lsm->lsm_oi, &res_id);
- ldlm_resource_iterate(obd->obd_namespace, &res_id, replace, data);
- return 0;
-}
-
-/* find any ldlm lock of the inode in osc
- * return 0 not find
- * 1 find one
- * < 0 error */
-static int osc_find_cbdata(struct obd_export *exp, struct lov_stripe_md *lsm,
- ldlm_iterator_t replace, void *data)
-{
- struct ldlm_res_id res_id;
- struct obd_device *obd = class_exp2obd(exp);
- int rc = 0;
-
- ostid_build_res_name(&lsm->lsm_oi, &res_id);
- rc = ldlm_resource_iterate(obd->obd_namespace, &res_id, replace, data);
- if (rc == LDLM_ITER_STOP)
- return(1);
- if (rc == LDLM_ITER_CONTINUE)
- return(0);
- return(rc);
-}
+ bool intent = *flags & LDLM_FL_HAS_INTENT;
+ int rc;
+ ENTRY;
-static int osc_enqueue_fini(struct ptlrpc_request *req, struct ost_lvb *lvb,
- obd_enqueue_update_f upcall, void *cookie,
- __u64 *flags, int agl, int rc)
-{
- int intent = *flags & LDLM_FL_HAS_INTENT;
- ENTRY;
+ /* The request was created before ldlm_cli_enqueue call. */
+ if (intent && errcode == ELDLM_LOCK_ABORTED) {
+ struct ldlm_reply *rep;
+
+ rep = req_capsule_server_get(&req->rq_pill, &RMF_DLM_REP);
+ LASSERT(rep != NULL);
+
+ rep->lock_policy_res1 =
+ ptlrpc_status_ntoh(rep->lock_policy_res1);
+ if (rep->lock_policy_res1)
+ errcode = rep->lock_policy_res1;
+ if (!agl)
+ *flags |= LDLM_FL_LVB_READY;
+ } else if (errcode == ELDLM_OK) {
+ *flags |= LDLM_FL_LVB_READY;
+ }
- if (intent) {
- /* The request was created before ldlm_cli_enqueue call. */
- if (rc == ELDLM_LOCK_ABORTED) {
- struct ldlm_reply *rep;
- rep = req_capsule_server_get(&req->rq_pill,
- &RMF_DLM_REP);
-
- LASSERT(rep != NULL);
- rep->lock_policy_res1 =
- ptlrpc_status_ntoh(rep->lock_policy_res1);
- if (rep->lock_policy_res1)
- rc = rep->lock_policy_res1;
- }
- }
+ /* Call the update callback. */
+ rc = (*upcall)(cookie, lockh, errcode);
- if ((intent != 0 && rc == ELDLM_LOCK_ABORTED && agl == 0) ||
- (rc == 0)) {
- *flags |= LDLM_FL_LVB_READY;
- CDEBUG(D_INODE,"got kms "LPU64" blocks "LPU64" mtime "LPU64"\n",
- lvb->lvb_size, lvb->lvb_blocks, lvb->lvb_mtime);
- }
+ /* release the reference taken in ldlm_cli_enqueue() */
+ if (errcode == ELDLM_LOCK_MATCHED)
+ errcode = ELDLM_OK;
+ if (errcode == ELDLM_OK && lustre_handle_is_used(lockh))
+ ldlm_lock_decref(lockh, mode);
- /* Call the update callback. */
- rc = (*upcall)(cookie, rc);
RETURN(rc);
}
static int osc_enqueue_interpret(const struct lu_env *env,
- struct ptlrpc_request *req,
- struct osc_enqueue_args *aa, int rc)
+ struct ptlrpc_request *req,
+ struct osc_enqueue_args *aa, int rc)
{
- struct ldlm_lock *lock;
- struct lustre_handle handle;
- __u32 mode;
- struct ost_lvb *lvb;
- __u32 lvb_len;
- __u64 *flags = aa->oa_flags;
-
- /* Make a local copy of a lock handle and a mode, because aa->oa_*
- * might be freed anytime after lock upcall has been called. */
- lustre_handle_copy(&handle, aa->oa_lockh);
- mode = aa->oa_ei->ei_mode;
-
- /* ldlm_cli_enqueue is holding a reference on the lock, so it must
- * be valid. */
- lock = ldlm_handle2lock(&handle);
-
- /* Take an additional reference so that a blocking AST that
- * ldlm_cli_enqueue_fini() might post for a failed lock, is guaranteed
- * to arrive after an upcall has been executed by
- * osc_enqueue_fini(). */
- ldlm_lock_addref(&handle, mode);
+ struct ldlm_lock *lock;
+ struct lustre_handle *lockh = &aa->oa_lockh;
+ enum ldlm_mode mode = aa->oa_mode;
+ struct ost_lvb *lvb = aa->oa_lvb;
+ __u32 lvb_len = sizeof(*lvb);
+ __u64 flags = 0;
+
+ ENTRY;
+
+ /* ldlm_cli_enqueue is holding a reference on the lock, so it must
+ * be valid. */
+ lock = ldlm_handle2lock(lockh);
+ LASSERTF(lock != NULL,
+ "lockh "LPX64", req %p, aa %p - client evicted?\n",
+ lockh->cookie, req, aa);
+
+ /* Take an additional reference so that a blocking AST that
+ * ldlm_cli_enqueue_fini() might post for a failed lock, is guaranteed
+ * to arrive after an upcall has been executed by
+ * osc_enqueue_fini(). */
+ ldlm_lock_addref(lockh, mode);
/* Let cl_lock_state_wait fail with -ERESTARTSYS to unuse sublocks. */
OBD_FAIL_TIMEOUT(OBD_FAIL_LDLM_ENQUEUE_HANG, 2);
- /* Let CP AST to grant the lock first. */
- OBD_FAIL_TIMEOUT(OBD_FAIL_OSC_CP_ENQ_RACE, 1);
+ /* Let CP AST to grant the lock first. */
+ OBD_FAIL_TIMEOUT(OBD_FAIL_OSC_CP_ENQ_RACE, 1);
- if (aa->oa_agl && rc == ELDLM_LOCK_ABORTED) {
- lvb = NULL;
- lvb_len = 0;
- } else {
- lvb = aa->oa_lvb;
- lvb_len = sizeof(*aa->oa_lvb);
- }
+ if (aa->oa_agl) {
+ LASSERT(aa->oa_lvb == NULL);
+ LASSERT(aa->oa_flags == NULL);
+ aa->oa_flags = &flags;
+ }
- /* Complete obtaining the lock procedure. */
- rc = ldlm_cli_enqueue_fini(aa->oa_exp, req, aa->oa_ei->ei_type, 1,
- mode, flags, lvb, lvb_len, &handle, rc);
- /* Complete osc stuff. */
- rc = osc_enqueue_fini(req, aa->oa_lvb, aa->oa_upcall, aa->oa_cookie,
- flags, aa->oa_agl, rc);
+ /* Complete obtaining the lock procedure. */
+ rc = ldlm_cli_enqueue_fini(aa->oa_exp, req, aa->oa_type, 1,
+ aa->oa_mode, aa->oa_flags, lvb, lvb_len,
+ lockh, rc);
+ /* Complete osc stuff. */
+ rc = osc_enqueue_fini(req, aa->oa_upcall, aa->oa_cookie, lockh, mode,
+ aa->oa_flags, aa->oa_agl, rc);
OBD_FAIL_TIMEOUT(OBD_FAIL_OSC_CP_CANCEL_RACE, 10);
- /* Release the lock for async request. */
- if (lustre_handle_is_used(&handle) && rc == ELDLM_OK)
- /*
- * Releases a reference taken by ldlm_cli_enqueue(), if it is
- * not already released by
- * ldlm_cli_enqueue_fini()->failed_lock_cleanup()
- */
- ldlm_lock_decref(&handle, mode);
-
- LASSERTF(lock != NULL, "lockh %p, req %p, aa %p - client evicted?\n",
- aa->oa_lockh, req, aa);
- ldlm_lock_decref(&handle, mode);
- LDLM_LOCK_PUT(lock);
- return rc;
+ ldlm_lock_decref(lockh, mode);
+ LDLM_LOCK_PUT(lock);
+ RETURN(rc);
}
struct ptlrpc_request_set *PTLRPCD_SET = (void *)1;
* other synchronous requests, however keeping some locks and trying to obtain
* others may take a considerable amount of time in a case of ost failure; and
* when other sync requests do not get released lock from a client, the client
- * is excluded from the cluster -- such scenarious make the life difficult, so
+ * is evicted from the cluster -- such scenarious make the life difficult, so
* release locks just after they are obtained. */
int osc_enqueue_base(struct obd_export *exp, struct ldlm_res_id *res_id,
- __u64 *flags, ldlm_policy_data_t *policy,
+ __u64 *flags, union ldlm_policy_data *policy,
struct ost_lvb *lvb, int kms_valid,
- obd_enqueue_update_f upcall, void *cookie,
+ osc_enqueue_upcall_f upcall, void *cookie,
struct ldlm_enqueue_info *einfo,
- struct lustre_handle *lockh,
struct ptlrpc_request_set *rqset, int async, int agl)
{
struct obd_device *obd = exp->exp_obd;
+ struct lustre_handle lockh = { 0 };
struct ptlrpc_request *req = NULL;
int intent = *flags & LDLM_FL_HAS_INTENT;
- __u64 match_lvb = (agl != 0 ? 0 : LDLM_FL_LVB_READY);
- ldlm_mode_t mode;
+ __u64 match_lvb = agl ? 0 : LDLM_FL_LVB_READY;
+ enum ldlm_mode mode;
int rc;
ENTRY;
/* Filesystem lock extents are extended to page boundaries so that
* dealing with the page cache is a little smoother. */
- policy->l_extent.start -= policy->l_extent.start & ~CFS_PAGE_MASK;
- policy->l_extent.end |= ~CFS_PAGE_MASK;
+ policy->l_extent.start -= policy->l_extent.start & ~PAGE_MASK;
+ policy->l_extent.end |= ~PAGE_MASK;
/*
* kms is not valid when either object is completely fresh (so that no
if (einfo->ei_mode == LCK_PR)
mode |= LCK_PW;
mode = ldlm_lock_match(obd->obd_namespace, *flags | match_lvb, res_id,
- einfo->ei_type, policy, mode, lockh, 0);
- if (mode) {
- struct ldlm_lock *matched = ldlm_handle2lock(lockh);
-
- if ((agl != 0) && !ldlm_is_lvb_ready(matched)) {
- /* For AGL, if enqueue RPC is sent but the lock is not
- * granted, then skip to process this strpe.
- * Return -ECANCELED to tell the caller. */
- ldlm_lock_decref(lockh, mode);
- LDLM_LOCK_PUT(matched);
- RETURN(-ECANCELED);
- } else if (osc_set_lock_data_with_check(matched, einfo)) {
- *flags |= LDLM_FL_LVB_READY;
- /* addref the lock only if not async requests and PW
- * lock is matched whereas we asked for PR. */
- if (!rqset && einfo->ei_mode != mode)
- ldlm_lock_addref(lockh, LCK_PR);
- if (intent) {
- /* I would like to be able to ASSERT here that
- * rss <= kms, but I can't, for reasons which
- * are explained in lov_enqueue() */
- }
+ einfo->ei_type, policy, mode, &lockh, 0);
+ if (mode) {
+ struct ldlm_lock *matched;
+
+ if (*flags & LDLM_FL_TEST_LOCK)
+ RETURN(ELDLM_OK);
+
+ matched = ldlm_handle2lock(&lockh);
+ if (agl) {
+ /* AGL enqueues DLM locks speculatively. Therefore if
+ * it already exists a DLM lock, it wll just inform the
+ * caller to cancel the AGL process for this stripe. */
+ ldlm_lock_decref(&lockh, mode);
+ LDLM_LOCK_PUT(matched);
+ RETURN(-ECANCELED);
+ } else if (osc_set_lock_data_with_check(matched, einfo)) {
+ *flags |= LDLM_FL_LVB_READY;
+
+ /* We already have a lock, and it's referenced. */
+ (*upcall)(cookie, &lockh, ELDLM_LOCK_MATCHED);
+
+ ldlm_lock_decref(&lockh, mode);
+ LDLM_LOCK_PUT(matched);
+ RETURN(ELDLM_OK);
+ } else {
+ ldlm_lock_decref(&lockh, mode);
+ LDLM_LOCK_PUT(matched);
+ }
+ }
- /* We already have a lock, and it's referenced.
- *
- * At this point, the cl_lock::cll_state is CLS_QUEUING,
- * AGL upcall may change it to CLS_HELD directly. */
- (*upcall)(cookie, ELDLM_OK);
-
- if (einfo->ei_mode != mode)
- ldlm_lock_decref(lockh, LCK_PW);
- else if (rqset)
- /* For async requests, decref the lock. */
- ldlm_lock_decref(lockh, einfo->ei_mode);
- LDLM_LOCK_PUT(matched);
- RETURN(ELDLM_OK);
- } else {
- ldlm_lock_decref(lockh, mode);
- LDLM_LOCK_PUT(matched);
- }
- }
+no_match:
+ if (*flags & LDLM_FL_TEST_LOCK)
+ RETURN(-ENOLCK);
- no_match:
- if (intent) {
+ if (intent) {
req = ptlrpc_request_alloc(class_exp2cliimp(exp),
&RQF_LDLM_ENQUEUE_LVB);
if (req == NULL)
RETURN(-ENOMEM);
- rc = ptlrpc_request_pack(req, LUSTRE_DLM_VERSION, LDLM_ENQUEUE);
- if (rc < 0) {
+ rc = ldlm_prep_enqueue_req(exp, req, NULL, 0);
+ if (rc) {
ptlrpc_request_free(req);
RETURN(rc);
}
*flags &= ~LDLM_FL_BLOCK_GRANTED;
rc = ldlm_cli_enqueue(exp, &req, einfo, res_id, policy, flags, lvb,
- sizeof(*lvb), LVB_T_OST, lockh, async);
- if (rqset) {
- if (!rc) {
- struct osc_enqueue_args *aa;
- CLASSERT (sizeof(*aa) <= sizeof(req->rq_async_args));
- aa = ptlrpc_req_async_args(req);
- aa->oa_ei = einfo;
- aa->oa_exp = exp;
- aa->oa_flags = flags;
- aa->oa_upcall = upcall;
- aa->oa_cookie = cookie;
- aa->oa_lvb = lvb;
- aa->oa_lockh = lockh;
- aa->oa_agl = !!agl;
-
- req->rq_interpret_reply =
- (ptlrpc_interpterer_t)osc_enqueue_interpret;
- if (rqset == PTLRPCD_SET)
- ptlrpcd_add_req(req, PDL_POLICY_ROUND, -1);
- else
- ptlrpc_set_add_req(rqset, req);
- } else if (intent) {
- ptlrpc_req_finished(req);
- }
- RETURN(rc);
- }
+ sizeof(*lvb), LVB_T_OST, &lockh, async);
+ if (async) {
+ if (!rc) {
+ struct osc_enqueue_args *aa;
+ CLASSERT(sizeof(*aa) <= sizeof(req->rq_async_args));
+ aa = ptlrpc_req_async_args(req);
+ aa->oa_exp = exp;
+ aa->oa_mode = einfo->ei_mode;
+ aa->oa_type = einfo->ei_type;
+ lustre_handle_copy(&aa->oa_lockh, &lockh);
+ aa->oa_upcall = upcall;
+ aa->oa_cookie = cookie;
+ aa->oa_agl = !!agl;
+ if (!agl) {
+ aa->oa_flags = flags;
+ aa->oa_lvb = lvb;
+ } else {
+ /* AGL is essentially to enqueue an DLM lock
+ * in advance, so we don't care about the
+ * result of AGL enqueue. */
+ aa->oa_lvb = NULL;
+ aa->oa_flags = NULL;
+ }
- rc = osc_enqueue_fini(req, lvb, upcall, cookie, flags, agl, rc);
- if (intent)
- ptlrpc_req_finished(req);
+ req->rq_interpret_reply =
+ (ptlrpc_interpterer_t)osc_enqueue_interpret;
+ if (rqset == PTLRPCD_SET)
+ ptlrpcd_add_req(req);
+ else
+ ptlrpc_set_add_req(rqset, req);
+ } else if (intent) {
+ ptlrpc_req_finished(req);
+ }
+ RETURN(rc);
+ }
- RETURN(rc);
+ rc = osc_enqueue_fini(req, upcall, cookie, &lockh, einfo->ei_mode,
+ flags, agl, rc);
+ if (intent)
+ ptlrpc_req_finished(req);
+
+ RETURN(rc);
}
int osc_match_base(struct obd_export *exp, struct ldlm_res_id *res_id,
- __u32 type, ldlm_policy_data_t *policy, __u32 mode,
- __u64 *flags, void *data, struct lustre_handle *lockh,
- int unref)
+ enum ldlm_type type, union ldlm_policy_data *policy,
+ enum ldlm_mode mode, __u64 *flags, void *data,
+ struct lustre_handle *lockh, int unref)
{
struct obd_device *obd = exp->exp_obd;
__u64 lflags = *flags;
- ldlm_mode_t rc;
+ enum ldlm_mode rc;
ENTRY;
- if (OBD_FAIL_CHECK(OBD_FAIL_OSC_MATCH))
- RETURN(-EIO);
+ if (OBD_FAIL_CHECK(OBD_FAIL_OSC_MATCH))
+ RETURN(-EIO);
- /* Filesystem lock extents are extended to page boundaries so that
- * dealing with the page cache is a little smoother */
- policy->l_extent.start -= policy->l_extent.start & ~CFS_PAGE_MASK;
- policy->l_extent.end |= ~CFS_PAGE_MASK;
+ /* Filesystem lock extents are extended to page boundaries so that
+ * dealing with the page cache is a little smoother */
+ policy->l_extent.start -= policy->l_extent.start & ~PAGE_MASK;
+ policy->l_extent.end |= ~PAGE_MASK;
/* Next, search for already existing extent locks that will cover us */
/* If we're trying to read, we also search for an existing PW lock. The
RETURN(rc);
}
-int osc_cancel_base(struct lustre_handle *lockh, __u32 mode)
-{
- ENTRY;
-
- if (unlikely(mode == LCK_GROUP))
- ldlm_lock_decref_and_cancel(lockh, mode);
- else
- ldlm_lock_decref(lockh, mode);
-
- RETURN(0);
-}
-
static int osc_statfs_interpret(const struct lu_env *env,
struct ptlrpc_request *req,
struct osc_async_args *aa, int rc)
ENTRY;
if (!try_module_get(THIS_MODULE)) {
- CERROR("Can't get module. Is it alive?");
+ CERROR("%s: cannot get module '%s'\n", obd->obd_name,
+ module_name(THIS_MODULE));
return -EINVAL;
}
switch (cmd) {
err = ptlrpc_set_import_active(obd->u.cli.cl_import,
data->ioc_offset);
GOTO(out, err);
- case OBD_IOC_POLL_QUOTACHECK:
- err = osc_quota_poll_check(exp, (struct if_quotacheck *)karg);
- GOTO(out, err);
case OBD_IOC_PING_TARGET:
err = ptlrpc_obd_ping(obd);
GOTO(out, err);
return err;
}
-static int osc_get_info(const struct lu_env *env, struct obd_export *exp,
- obd_count keylen, void *key, __u32 *vallen, void *val,
- struct lov_stripe_md *lsm)
-{
- ENTRY;
- if (!vallen || !val)
- RETURN(-EFAULT);
-
- if (KEY_IS(KEY_LOCK_TO_STRIPE)) {
- __u32 *stripe = val;
- *vallen = sizeof(*stripe);
- *stripe = 0;
- RETURN(0);
- } else if (KEY_IS(KEY_LAST_ID)) {
- struct ptlrpc_request *req;
- obd_id *reply;
- char *tmp;
- int rc;
-
- req = ptlrpc_request_alloc(class_exp2cliimp(exp),
- &RQF_OST_GET_INFO_LAST_ID);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
- RCL_CLIENT, keylen);
- rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_GET_INFO);
- if (rc) {
- ptlrpc_request_free(req);
- RETURN(rc);
- }
-
- tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
- memcpy(tmp, key, keylen);
-
- req->rq_no_delay = req->rq_no_resend = 1;
- ptlrpc_request_set_replen(req);
- rc = ptlrpc_queue_wait(req);
- if (rc)
- GOTO(out, rc);
-
- reply = req_capsule_server_get(&req->rq_pill, &RMF_OBD_ID);
- if (reply == NULL)
- GOTO(out, rc = -EPROTO);
-
- *((obd_id *)val) = *reply;
- out:
- ptlrpc_req_finished(req);
- RETURN(rc);
- } else if (KEY_IS(KEY_FIEMAP)) {
- struct ll_fiemap_info_key *fm_key =
- (struct ll_fiemap_info_key *)key;
- struct ldlm_res_id res_id;
- ldlm_policy_data_t policy;
- struct lustre_handle lockh;
- ldlm_mode_t mode = 0;
- struct ptlrpc_request *req;
- struct ll_user_fiemap *reply;
- char *tmp;
- int rc;
-
- if (!(fm_key->fiemap.fm_flags & FIEMAP_FLAG_SYNC))
- goto skip_locking;
-
- policy.l_extent.start = fm_key->fiemap.fm_start &
- CFS_PAGE_MASK;
-
- if (OBD_OBJECT_EOF - fm_key->fiemap.fm_length <=
- fm_key->fiemap.fm_start + PAGE_CACHE_SIZE - 1)
- policy.l_extent.end = OBD_OBJECT_EOF;
- else
- policy.l_extent.end = (fm_key->fiemap.fm_start +
- fm_key->fiemap.fm_length +
- PAGE_CACHE_SIZE - 1) & CFS_PAGE_MASK;
-
- ostid_build_res_name(&fm_key->oa.o_oi, &res_id);
- mode = ldlm_lock_match(exp->exp_obd->obd_namespace,
- LDLM_FL_BLOCK_GRANTED |
- LDLM_FL_LVB_READY,
- &res_id, LDLM_EXTENT, &policy,
- LCK_PR | LCK_PW, &lockh, 0);
- if (mode) { /* lock is cached on client */
- if (mode != LCK_PR) {
- ldlm_lock_addref(&lockh, LCK_PR);
- ldlm_lock_decref(&lockh, LCK_PW);
- }
- } else { /* no cached lock, needs acquire lock on server side */
- fm_key->oa.o_valid |= OBD_MD_FLFLAGS;
- fm_key->oa.o_flags |= OBD_FL_SRVLOCK;
- }
-
-skip_locking:
- req = ptlrpc_request_alloc(class_exp2cliimp(exp),
- &RQF_OST_GET_INFO_FIEMAP);
- if (req == NULL)
- GOTO(drop_lock, rc = -ENOMEM);
-
- req_capsule_set_size(&req->rq_pill, &RMF_FIEMAP_KEY,
- RCL_CLIENT, keylen);
- req_capsule_set_size(&req->rq_pill, &RMF_FIEMAP_VAL,
- RCL_CLIENT, *vallen);
- req_capsule_set_size(&req->rq_pill, &RMF_FIEMAP_VAL,
- RCL_SERVER, *vallen);
-
- rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_GET_INFO);
- if (rc) {
- ptlrpc_request_free(req);
- GOTO(drop_lock, rc);
- }
-
- tmp = req_capsule_client_get(&req->rq_pill, &RMF_FIEMAP_KEY);
- memcpy(tmp, key, keylen);
- tmp = req_capsule_client_get(&req->rq_pill, &RMF_FIEMAP_VAL);
- memcpy(tmp, val, *vallen);
-
- ptlrpc_request_set_replen(req);
- rc = ptlrpc_queue_wait(req);
- if (rc)
- GOTO(fini_req, rc);
-
- reply = req_capsule_server_get(&req->rq_pill, &RMF_FIEMAP_VAL);
- if (reply == NULL)
- GOTO(fini_req, rc = -EPROTO);
-
- memcpy(val, reply, *vallen);
-fini_req:
- ptlrpc_req_finished(req);
-drop_lock:
- if (mode)
- ldlm_lock_decref(&lockh, LCK_PR);
- RETURN(rc);
- }
-
- RETURN(-EINVAL);
-}
-
static int osc_set_info_async(const struct lu_env *env, struct obd_export *exp,
- obd_count keylen, void *key, obd_count vallen,
- void *val, struct ptlrpc_request_set *set)
+ u32 keylen, void *key,
+ u32 vallen, void *val,
+ struct ptlrpc_request_set *set)
{
struct ptlrpc_request *req;
struct obd_device *obd = exp->exp_obd;
LASSERT(cli->cl_cache == NULL); /* only once */
cli->cl_cache = (struct cl_client_cache *)val;
- atomic_inc(&cli->cl_cache->ccc_users);
+ cl_cache_incref(cli->cl_cache);
cli->cl_lru_left = &cli->cl_cache->ccc_lru_left;
/* add this osc into entity list */
if (KEY_IS(KEY_CACHE_LRU_SHRINK)) {
struct client_obd *cli = &obd->u.cli;
- int nr = atomic_read(&cli->cl_lru_in_list) >> 1;
- int target = *(int *)val;
+ long nr = atomic_long_read(&cli->cl_lru_in_list) >> 1;
+ long target = *(long *)val;
nr = osc_lru_shrink(env, cli, min(nr, target), true);
- *(int *)val -= nr;
+ *(long *)val -= nr;
RETURN(0);
}
req->rq_interpret_reply = osc_shrink_grant_interpret;
}
- ptlrpc_request_set_replen(req);
- if (!KEY_IS(KEY_GRANT_SHRINK)) {
- LASSERT(set != NULL);
- ptlrpc_set_add_req(set, req);
- ptlrpc_check_set(NULL, set);
- } else
- ptlrpcd_add_req(req, PDL_POLICY_ROUND, -1);
+ ptlrpc_request_set_replen(req);
+ if (!KEY_IS(KEY_GRANT_SHRINK)) {
+ LASSERT(set != NULL);
+ ptlrpc_set_add_req(set, req);
+ ptlrpc_check_set(NULL, set);
+ } else {
+ ptlrpcd_add_req(req);
+ }
- RETURN(0);
+ RETURN(0);
}
static int osc_reconnect(const struct lu_env *env,
if (data != NULL && (data->ocd_connect_flags & OBD_CONNECT_GRANT)) {
long lost_grant;
- client_obd_list_lock(&cli->cl_loi_list_lock);
- data->ocd_grant = (cli->cl_avail_grant + cli->cl_dirty) ?:
- 2 * cli_brw_size(obd);
- lost_grant = cli->cl_lost_grant;
- cli->cl_lost_grant = 0;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
+ data->ocd_grant = (cli->cl_avail_grant +
+ (cli->cl_dirty_pages << PAGE_CACHE_SHIFT)) ?:
+ 2 * cli_brw_size(obd);
+ lost_grant = cli->cl_lost_grant;
+ cli->cl_lost_grant = 0;
+ spin_unlock(&cli->cl_loi_list_lock);
CDEBUG(D_RPCTRACE, "ocd_connect_flags: "LPX64" ocd_version: %d"
" ocd_grant: %d, lost: %ld.\n", data->ocd_connect_flags,
static int osc_disconnect(struct obd_export *exp)
{
- struct obd_device *obd = class_exp2obd(exp);
- struct llog_ctxt *ctxt;
- int rc;
-
- ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
- if (ctxt) {
- if (obd->u.cli.cl_conn_count == 1) {
- /* Flush any remaining cancel messages out to the
- * target */
- llog_sync(ctxt, exp, 0);
- }
- llog_ctxt_put(ctxt);
- } else {
- CDEBUG(D_HA, "No LLOG_SIZE_REPL_CTXT found in obd %p\n",
- obd);
- }
+ struct obd_device *obd = class_exp2obd(exp);
+ int rc;
rc = client_disconnect_export(exp);
/**
return rc;
}
+static int osc_ldlm_resource_invalidate(struct cfs_hash *hs,
+ struct cfs_hash_bd *bd, struct hlist_node *hnode, void *arg)
+{
+ struct lu_env *env = arg;
+ struct ldlm_resource *res = cfs_hash_object(hs, hnode);
+ struct ldlm_lock *lock;
+ struct osc_object *osc = NULL;
+ ENTRY;
+
+ lock_res(res);
+ list_for_each_entry(lock, &res->lr_granted, l_res_link) {
+ if (lock->l_ast_data != NULL && osc == NULL) {
+ osc = lock->l_ast_data;
+ cl_object_get(osc2cl(osc));
+ }
+ lock->l_ast_data = NULL;
+ }
+ unlock_res(res);
+
+ if (osc != NULL) {
+ osc_object_invalidate(env, osc);
+ cl_object_put(env, osc2cl(osc));
+ }
+
+ RETURN(0);
+}
+
static int osc_import_event(struct obd_device *obd,
struct obd_import *imp,
enum obd_import_event event)
switch (event) {
case IMP_EVENT_DISCON: {
cli = &obd->u.cli;
- client_obd_list_lock(&cli->cl_loi_list_lock);
- cli->cl_avail_grant = 0;
- cli->cl_lost_grant = 0;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
+ cli->cl_avail_grant = 0;
+ cli->cl_lost_grant = 0;
+ spin_unlock(&cli->cl_loi_list_lock);
break;
}
case IMP_EVENT_INACTIVE: {
struct lu_env *env;
int refcheck;
+ ldlm_namespace_cleanup(ns, LDLM_FL_LOCAL_ONLY);
+
env = cl_env_get(&refcheck);
if (!IS_ERR(env)) {
- /* Reset grants */
- cli = &obd->u.cli;
- /* all pages go to failing rpcs due to the invalid
- * import */
- osc_io_unplug(env, cli, NULL, PDL_POLICY_ROUND);
-
- ldlm_namespace_cleanup(ns, LDLM_FL_LOCAL_ONLY);
- cl_env_put(env, &refcheck);
+ osc_io_unplug(env, &obd->u.cli, NULL);
+
+ cfs_hash_for_each_nolock(ns->ns_rs_hash,
+ osc_ldlm_resource_invalidate,
+ env, 0);
+ cl_env_put(env, &refcheck);
+
+ ldlm_namespace_cleanup(ns, LDLM_FL_LOCAL_ONLY);
} else
rc = PTR_ERR(env);
break;
CDEBUG(D_CACHE, "Run writeback work for client obd %p.\n", cli);
- osc_io_unplug(env, cli, NULL, PDL_POLICY_SAME);
+ osc_io_unplug(env, cli, NULL);
RETURN(0);
}
struct obd_type *type;
void *handler;
int rc;
+ int adding;
+ int added;
+ int req_count;
ENTRY;
rc = ptlrpcd_addref();
cli->cl_grant_shrink_interval = GRANT_SHRINK_INTERVAL;
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
obd->obd_vars = lprocfs_osc_obd_vars;
#endif
/* If this is true then both client (osc) and server (osp) are on the
* tree to type->typ_procsym instead of obd->obd_type->typ_procroot. */
type = class_search_type(LUSTRE_OSP_NAME);
if (type && type->typ_procsym) {
- obd->obd_proc_entry = lprocfs_seq_register(obd->obd_name,
- type->typ_procsym,
- obd->obd_vars, obd);
+ obd->obd_proc_entry = lprocfs_register(obd->obd_name,
+ type->typ_procsym,
+ obd->obd_vars, obd);
if (IS_ERR(obd->obd_proc_entry)) {
rc = PTR_ERR(obd->obd_proc_entry);
CERROR("error %d setting up lprocfs for %s\n", rc,
obd->obd_proc_entry = NULL;
}
} else {
- rc = lprocfs_seq_obd_setup(obd);
+ rc = lprocfs_obd_setup(obd);
}
/* If the basic OSC proc tree construction succeeded then
ptlrpc_lprocfs_register_obd(obd);
}
- /* We need to allocate a few requests more, because
- * brw_interpret tries to create new requests before freeing
- * previous ones, Ideally we want to have 2x max_rpcs_in_flight
- * reserved, but I'm afraid that might be too much wasted RAM
- * in fact, so 2 is just my guess and still should work. */
- cli->cl_import->imp_rq_pool =
- ptlrpc_init_rq_pool(cli->cl_max_rpcs_in_flight + 2,
- OST_MAXREQSIZE,
- ptlrpc_add_rqs_to_pool);
+ /*
+ * We try to control the total number of requests with a upper limit
+ * osc_reqpool_maxreqcount. There might be some race which will cause
+ * over-limit allocation, but it is fine.
+ */
+ req_count = atomic_read(&osc_pool_req_count);
+ if (req_count < osc_reqpool_maxreqcount) {
+ adding = cli->cl_max_rpcs_in_flight + 2;
+ if (req_count + adding > osc_reqpool_maxreqcount)
+ adding = osc_reqpool_maxreqcount - req_count;
+
+ added = ptlrpc_add_rqs_to_pool(osc_rq_pool, adding);
+ atomic_add(added, &osc_pool_req_count);
+ }
INIT_LIST_HEAD(&cli->cl_grant_shrink_list);
ns_register_cancel(obd->obd_namespace, osc_cancel_weight);
obd_cleanup_client_import(obd);
ptlrpc_lprocfs_unregister_obd(obd);
lprocfs_obd_cleanup(obd);
- rc = obd_llog_finish(obd, 0);
- if (rc != 0)
- CERROR("failed to cleanup llogging subsystems\n");
break;
}
}
list_del_init(&cli->cl_lru_osc);
spin_unlock(&cli->cl_cache->ccc_lru_lock);
cli->cl_lru_left = NULL;
- atomic_dec(&cli->cl_cache->ccc_users);
+ cl_cache_decref(cli->cl_cache);
cli->cl_cache = NULL;
}
/* free memory of osc quota cache */
- osc_quota_cleanup(obd);
+ osc_quota_cleanup(obd);
- rc = client_obd_cleanup(obd);
+ rc = client_obd_cleanup(obd);
- ptlrpcd_decref();
- RETURN(rc);
+ ptlrpcd_decref();
+ RETURN(rc);
}
int osc_process_config_base(struct obd_device *obd, struct lustre_cfg *lcfg)
{
- int rc = class_process_proc_seq_param(PARAM_OSC, obd->obd_vars,
- lcfg, obd);
+ int rc = class_process_proc_param(PARAM_OSC, obd->obd_vars, lcfg, obd);
return rc > 0 ? 0: rc;
}
-static int osc_process_config(struct obd_device *obd, obd_count len, void *buf)
+static int osc_process_config(struct obd_device *obd, size_t len, void *buf)
{
return osc_process_config_base(obd, buf);
}
-struct obd_ops osc_obd_ops = {
+static struct obd_ops osc_obd_ops = {
.o_owner = THIS_MODULE,
.o_setup = osc_setup,
.o_precleanup = osc_precleanup,
.o_disconnect = osc_disconnect,
.o_statfs = osc_statfs,
.o_statfs_async = osc_statfs_async,
- .o_unpackmd = osc_unpackmd,
.o_create = osc_create,
.o_destroy = osc_destroy,
.o_getattr = osc_getattr,
- .o_getattr_async = osc_getattr_async,
.o_setattr = osc_setattr,
- .o_setattr_async = osc_setattr_async,
- .o_change_cbdata = osc_change_cbdata,
- .o_find_cbdata = osc_find_cbdata,
.o_iocontrol = osc_iocontrol,
- .o_get_info = osc_get_info,
.o_set_info_async = osc_set_info_async,
.o_import_event = osc_import_event,
.o_process_config = osc_process_config,
.o_quotactl = osc_quotactl,
- .o_quotacheck = osc_quotacheck,
};
-extern struct lu_kmem_descr osc_caches[];
-extern spinlock_t osc_ast_guard;
-extern struct lock_class_key osc_ast_guard_class;
-
-int __init osc_init(void)
+static int __init osc_init(void)
{
bool enable_proc = true;
struct obd_type *type;
+ unsigned int reqpool_size;
+ unsigned int reqsize;
int rc;
+
ENTRY;
/* print an address of _any_ initialized kernel symbol from this
enable_proc = false;
rc = class_register_type(&osc_obd_ops, NULL, enable_proc, NULL,
-#ifndef HAVE_ONLY_PROCFS_SEQ
- NULL,
-#endif
LUSTRE_OSC_NAME, &osc_device_type);
- if (rc) {
- lu_kmem_fini(osc_caches);
- RETURN(rc);
- }
+ if (rc)
+ GOTO(out_kmem, rc);
+
+ /* This is obviously too much memory, only prevent overflow here */
+ if (osc_reqpool_mem_max >= 1 << 12 || osc_reqpool_mem_max == 0)
+ GOTO(out_type, rc = -EINVAL);
+
+ reqpool_size = osc_reqpool_mem_max << 20;
- spin_lock_init(&osc_ast_guard);
- lockdep_set_class(&osc_ast_guard, &osc_ast_guard_class);
+ reqsize = 1;
+ while (reqsize < OST_IO_MAXREQSIZE)
+ reqsize = reqsize << 1;
+
+ /*
+ * We don't enlarge the request count in OSC pool according to
+ * cl_max_rpcs_in_flight. The allocation from the pool will only be
+ * tried after normal allocation failed. So a small OSC pool won't
+ * cause much performance degression in most of cases.
+ */
+ osc_reqpool_maxreqcount = reqpool_size / reqsize;
+ atomic_set(&osc_pool_req_count, 0);
+ osc_rq_pool = ptlrpc_init_rq_pool(0, OST_IO_MAXREQSIZE,
+ ptlrpc_add_rqs_to_pool);
+
+ if (osc_rq_pool != NULL)
+ GOTO(out, rc);
+ rc = -ENOMEM;
+out_type:
+ class_unregister_type(LUSTRE_OSC_NAME);
+out_kmem:
+ lu_kmem_fini(osc_caches);
+out:
RETURN(rc);
}
-#ifdef __KERNEL__
static void /*__exit*/ osc_exit(void)
{
class_unregister_type(LUSTRE_OSC_NAME);
lu_kmem_fini(osc_caches);
+ ptlrpc_free_rq_pool(osc_rq_pool);
}
MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("Lustre Object Storage Client (OSC)");
+MODULE_VERSION(LUSTRE_VERSION_STRING);
MODULE_LICENSE("GPL");
-cfs_module(osc, LUSTRE_VERSION_STRING, osc_init, osc_exit);
-#endif
+module_init(osc_init);
+module_exit(osc_exit);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff