* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <lustre_net.h>
#include <lustre/lustre_user.h>
#include <obd_cksum.h>
-#include <obd_ost.h>
-#include <obd_lov.h>
#ifdef __CYGWIN__
# include <ctype.h>
#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 "osc_internal.h"
#include "osc_cl_internal.h"
-static void osc_release_ppga(struct brw_page **ppga, obd_count count);
-static int brw_interpret(const struct lu_env *env,
- struct ptlrpc_request *req, void *data, int rc);
-int osc_cleanup(struct obd_device *obd);
+struct osc_brw_async_args {
+ struct obdo *aa_oa;
+ int aa_requested_nob;
+ int aa_nio_count;
+ obd_count 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;
+};
-/* Pack OSC object metadata for disk storage (LE byte order). */
-static int osc_packmd(struct obd_export *exp, struct lov_mds_md **lmmp,
- struct lov_stripe_md *lsm)
-{
- int lmm_size;
- ENTRY;
+#define osc_grant_args osc_brw_async_args
- lmm_size = sizeof(**lmmp);
- if (!lmmp)
- RETURN(lmm_size);
+struct osc_async_args {
+ struct obd_info *aa_oi;
+};
- if (*lmmp && !lsm) {
- OBD_FREE(*lmmp, lmm_size);
- *lmmp = NULL;
- RETURN(0);
- }
+struct osc_setattr_args {
+ struct obdo *sa_oa;
+ obd_enqueue_update_f sa_upcall;
+ void *sa_cookie;
+};
- if (!*lmmp) {
- OBD_ALLOC(*lmmp, lmm_size);
- if (!*lmmp)
- RETURN(-ENOMEM);
- }
+struct osc_fsync_args {
+ struct obd_info *fa_oi;
+ obd_enqueue_update_f fa_upcall;
+ void *fa_cookie;
+};
- if (lsm) {
- LASSERT(lsm->lsm_object_id);
- LASSERT_SEQ_IS_MDT(lsm->lsm_object_seq);
- (*lmmp)->lmm_object_id = cpu_to_le64(lsm->lsm_object_id);
- (*lmmp)->lmm_object_seq = cpu_to_le64(lsm->lsm_object_seq);
- }
+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;
+};
- RETURN(lmm_size);
-}
+static void osc_release_ppga(struct brw_page **ppga, obd_count 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)
+ struct lov_mds_md *lmm, int lmm_bytes)
{
- int lsm_size;
- struct obd_import *imp = class_exp2cliimp(exp);
- ENTRY;
+ int lsm_size;
+ struct obd_import *imp = class_exp2cliimp(exp);
+ ENTRY;
- if (lmm != NULL) {
- if (lmm_bytes < sizeof (*lmm)) {
- CERROR("lov_mds_md too small: %d, need %d\n",
- lmm_bytes, (int)sizeof(*lmm));
- RETURN(-EINVAL);
- }
- /* XXX LOV_MAGIC etc check? */
+ 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 (lmm->lmm_object_id == 0) {
- CERROR("lov_mds_md: zero lmm_object_id\n");
- RETURN(-EINVAL);
- }
- }
+ 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);
+ 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 && 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 (*lsmp == NULL)
- RETURN(-ENOMEM);
- OBD_ALLOC((*lsmp)->lsm_oinfo[0], sizeof(struct lov_oinfo));
- if ((*lsmp)->lsm_oinfo[0] == NULL) {
- OBD_FREE(*lsmp, lsm_size);
- RETURN(-ENOMEM);
- }
- loi_init((*lsmp)->lsm_oinfo[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? */
- (*lsmp)->lsm_object_id = le64_to_cpu (lmm->lmm_object_id);
- (*lsmp)->lsm_object_seq = le64_to_cpu (lmm->lmm_object_seq);
- LASSERT((*lsmp)->lsm_object_id);
- LASSERT_SEQ_IS_MDT((*lsmp)->lsm_object_seq);
- }
+ 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;
+ 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);
+ RETURN(lsm_size);
}
static inline void osc_pack_capa(struct ptlrpc_request *req,
static inline void osc_pack_req_body(struct ptlrpc_request *req,
struct obd_info *oinfo)
{
- struct ost_body *body;
+ struct ost_body *body;
- body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- LASSERT(body);
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
+ LASSERT(body);
- lustre_set_wire_obdo(&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,
+ oinfo->oi_oa);
+ osc_pack_capa(req, body, oinfo->oi_capa);
}
static inline void osc_set_capa_size(struct ptlrpc_request *req,
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(aa->aa_oi->oi_oa, &body->oa);
+ 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 = PTLRPC_MAX_BRW_SIZE;
- aa->aa_oi->oi_oa->o_valid |= OBD_MD_FLBLKSZ;
+ /* 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;
if (body == NULL)
GOTO(out, rc = -EPROTO);
- CDEBUG(D_INODE, "mode: %o\n", body->oa.o_mode);
- lustre_get_wire_obdo(oinfo->oi_oa, &body->oa);
+ 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);
- /* This should really be sent by the OST */
- oinfo->oi_oa->o_blksize = PTLRPC_MAX_BRW_SIZE;
- oinfo->oi_oa->o_valid |= OBD_MD_FLBLKSZ;
+ oinfo->oi_oa->o_blksize = cli_brw_size(exp->exp_obd);
+ oinfo->oi_oa->o_valid |= OBD_MD_FLBLKSZ;
EXIT;
out:
if (body == NULL)
GOTO(out, rc = -EPROTO);
- lustre_get_wire_obdo(oinfo->oi_oa, &body->oa);
+ lustre_get_wire_obdo(&req->rq_import->imp_connect_data, oinfo->oi_oa,
+ &body->oa);
EXIT;
out:
if (body == NULL)
GOTO(out, rc = -EPROTO);
- lustre_get_wire_obdo(sa->sa_oa, &body->oa);
+ lustre_get_wire_obdo(&req->rq_import->imp_connect_data, sa->sa_oa,
+ &body->oa);
out:
rc = sa->sa_upcall(sa->sa_cookie, rc);
RETURN(rc);
body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
LASSERT(body);
- lustre_set_wire_obdo(&body->oa, oa);
+
+ lustre_set_wire_obdo(&req->rq_import->imp_connect_data, &body->oa, oa);
ptlrpc_request_set_replen(req);
if (body == NULL)
GOTO(out_req, rc = -EPROTO);
- lustre_get_wire_obdo(oa, &body->oa);
+ CDEBUG(D_INFO, "oa flags %x\n", oa->o_flags);
+ lustre_get_wire_obdo(&req->rq_import->imp_connect_data, oa, &body->oa);
- /* This should really be sent by the OST */
- oa->o_blksize = PTLRPC_MAX_BRW_SIZE;
- oa->o_valid |= OBD_MD_FLBLKSZ;
+ 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_object_id = oa->o_id;
- lsm->lsm_object_seq = oa->o_seq;
- *ea = lsm;
+ /* 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);
+ if (oti->oti_logcookies == NULL)
+ oti->oti_logcookies = &oti->oti_onecookie;
+
*oti->oti_logcookies = oa->o_lcookie;
}
}
req->rq_request_portal = OST_IO_PORTAL; /* bug 7198 */
ptlrpc_at_set_req_timeout(req);
- body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- LASSERT(body);
- lustre_set_wire_obdo(&body->oa, oinfo->oi_oa);
- osc_pack_capa(req, body, oinfo->oi_capa);
+ 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);
ptlrpc_request_set_replen(req);
RETURN(0);
}
-static int osc_punch(const struct lu_env *env, struct obd_export *exp,
- struct obd_info *oinfo, struct obd_trans_info *oti,
- struct ptlrpc_request_set *rqset)
-{
- oinfo->oi_oa->o_size = oinfo->oi_policy.l_extent.start;
- oinfo->oi_oa->o_blocks = oinfo->oi_policy.l_extent.end;
- oinfo->oi_oa->o_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
- return osc_punch_base(exp, oinfo,
- oinfo->oi_cb_up, oinfo, rqset);
-}
-
static int osc_sync_interpret(const struct lu_env *env,
struct ptlrpc_request *req,
void *arg, int rc)
RETURN(rc);
}
- /* 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(&body->oa, oinfo->oi_oa);
- osc_pack_capa(req, body, oinfo->oi_capa);
+ /* 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);
ptlrpc_request_set_replen(req);
req->rq_interpret_reply = osc_sync_interpret;
RETURN (0);
}
-static int osc_sync(const struct lu_env *env, struct obd_export *exp,
- struct obd_info *oinfo, obd_size start, obd_size end,
- struct ptlrpc_request_set *set)
-{
- ENTRY;
-
- if (!oinfo->oi_oa) {
- CDEBUG(D_INFO, "oa NULL\n");
- RETURN(-EINVAL);
- }
-
- oinfo->oi_oa->o_size = start;
- oinfo->oi_oa->o_blocks = end;
- oinfo->oi_oa->o_valid |= (OBD_MD_FLSIZE | OBD_MD_FLBLOCKS);
-
- RETURN(osc_sync_base(exp, oinfo, oinfo->oi_cb_up, oinfo, set));
-}
-
/* Find and cancel locally locks matched by @mode in the resource found by
* @objid. Found locks are added into @cancel list. Returns the amount of
* locks added to @cancels list. */
static int osc_resource_get_unused(struct obd_export *exp, struct obdo *oa,
- cfs_list_t *cancels,
- ldlm_mode_t mode, int lock_flags)
+ struct list_head *cancels,
+ ldlm_mode_t mode, __u64 lock_flags)
{
struct ldlm_namespace *ns = exp->exp_obd->obd_namespace;
struct ldlm_res_id res_id;
int count;
ENTRY;
- osc_build_res_name(oa->o_id, oa->o_seq, &res_id);
- res = ldlm_resource_get(ns, NULL, &res_id, 0, 0);
- if (res == NULL)
- RETURN(0);
+ /* Return, i.e. cancel nothing, only if ELC is supported (flag in
+ * export) but disabled through procfs (flag in NS).
+ *
+ * This distinguishes from a case when ELC is not supported originally,
+ * when we still want to cancel locks in advance and just cancel them
+ * locally, without sending any RPC. */
+ if (exp_connect_cancelset(exp) && !ns_connect_cancelset(ns))
+ RETURN(0);
+
+ ostid_build_res_name(&oa->o_oi, &res_id);
+ res = ldlm_resource_get(ns, NULL, &res_id, 0, 0);
+ if (IS_ERR(res))
+ RETURN(0);
LDLM_RESOURCE_ADDREF(res);
count = ldlm_cancel_resource_local(res, cancels, NULL, mode,
}
static int osc_destroy_interpret(const struct lu_env *env,
- struct ptlrpc_request *req, void *data,
- int rc)
+ struct ptlrpc_request *req, void *data,
+ int rc)
{
- struct client_obd *cli = &req->rq_import->imp_obd->u.cli;
+ struct client_obd *cli = &req->rq_import->imp_obd->u.cli;
- cfs_atomic_dec(&cli->cl_destroy_in_flight);
- cfs_waitq_signal(&cli->cl_destroy_waitq);
- return 0;
+ atomic_dec(&cli->cl_destroy_in_flight);
+ wake_up(&cli->cl_destroy_waitq);
+ return 0;
}
static int osc_can_send_destroy(struct client_obd *cli)
{
- if (cfs_atomic_inc_return(&cli->cl_destroy_in_flight) <=
- cli->cl_max_rpcs_in_flight) {
- /* The destroy request can be sent */
- return 1;
- }
- if (cfs_atomic_dec_return(&cli->cl_destroy_in_flight) <
- cli->cl_max_rpcs_in_flight) {
- /*
- * The counter has been modified between the two atomic
- * operations.
- */
- cfs_waitq_signal(&cli->cl_destroy_waitq);
- }
- return 0;
+ if (atomic_inc_return(&cli->cl_destroy_in_flight) <=
+ cli->cl_max_rpcs_in_flight) {
+ /* The destroy request can be sent */
+ return 1;
+ }
+ if (atomic_dec_return(&cli->cl_destroy_in_flight) <
+ cli->cl_max_rpcs_in_flight) {
+ /*
+ * The counter has been modified between the two atomic
+ * operations.
+ */
+ wake_up(&cli->cl_destroy_waitq);
+ }
+ 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
struct client_obd *cli = &exp->exp_obd->u.cli;
struct ptlrpc_request *req;
struct ost_body *body;
- CFS_LIST_HEAD(cancels);
+ struct list_head cancels = LIST_HEAD_INIT(cancels);
int rc, count;
ENTRY;
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(&body->oa, oa);
+ 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);
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 (cli->cl_dirty - cli->cl_dirty_transit > cli->cl_dirty_max) {
- CERROR("dirty %lu - %lu > dirty_max %lu\n",
- cli->cl_dirty, cli->cl_dirty_transit, cli->cl_dirty_max);
- oa->o_undirty = 0;
- } else if (cfs_atomic_read(&obd_dirty_pages) -
- cfs_atomic_read(&obd_dirty_transit_pages) >
- obd_max_dirty_pages + 1){
- /* The cfs_atomic_read() allowing the cfs_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("dirty %d - %d > system dirty_max %d\n",
- cfs_atomic_read(&obd_dirty_pages),
- cfs_atomic_read(&obd_dirty_transit_pages),
- obd_max_dirty_pages);
- oa->o_undirty = 0;
- } else if (cli->cl_dirty_max - cli->cl_dirty > 0x7fffffff) {
- CERROR("dirty %lu - dirty_max %lu too big???\n",
- cli->cl_dirty, cli->cl_dirty_max);
- oa->o_undirty = 0;
- } else {
- long max_in_flight = (cli->cl_max_pages_per_rpc << CFS_PAGE_SHIFT)*
- (cli->cl_max_rpcs_in_flight + 1);
- oa->o_undirty = max(cli->cl_dirty_max, max_in_flight);
+ oa->o_valid |= bits;
+ client_obd_list_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_pages, cli->cl_dirty_transit,
+ cli->cl_dirty_max_pages);
+ oa->o_undirty = 0;
+ } else if (unlikely(atomic_read(&obd_dirty_pages) -
+ atomic_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 > system dirty_max %d\n",
+ cli->cl_import->imp_obd->obd_name,
+ atomic_read(&obd_dirty_pages),
+ atomic_read(&obd_dirty_transit_pages),
+ obd_max_dirty_pages);
+ oa->o_undirty = 0;
+ } 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_pages, cli->cl_dirty_max_pages);
+ oa->o_undirty = 0;
+ } else {
+ 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_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;
* needed, and avoids shrinking the grant piecemeal. */
static int osc_shrink_grant(struct client_obd *cli)
{
- long target = (cli->cl_max_rpcs_in_flight + 1) *
- cli->cl_max_pages_per_rpc;
+ __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);
- if (cli->cl_avail_grant <= target)
- target = cli->cl_max_pages_per_rpc;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ client_obd_list_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);
- return osc_shrink_grant_to_target(cli, target);
+ return osc_shrink_grant_to_target(cli, target_bytes);
}
-int osc_shrink_grant_to_target(struct client_obd *cli, long target)
+int osc_shrink_grant_to_target(struct client_obd *cli, __u64 target_bytes)
{
- int rc = 0;
- struct ost_body *body;
- ENTRY;
-
- client_obd_list_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. */
- if (target < cli->cl_max_pages_per_rpc)
- target = cli->cl_max_pages_per_rpc;
+ int rc = 0;
+ struct ost_body *body;
+ ENTRY;
- if (target >= cli->cl_avail_grant) {
- client_obd_list_unlock(&cli->cl_loi_list_lock);
- RETURN(0);
- }
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ client_obd_list_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. */
+ if (target_bytes < cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT)
+ 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);
+ RETURN(0);
+ }
+ client_obd_list_unlock(&cli->cl_loi_list_lock);
- OBD_ALLOC_PTR(body);
- if (!body)
- RETURN(-ENOMEM);
+ OBD_ALLOC_PTR(body);
+ if (!body)
+ RETURN(-ENOMEM);
- osc_announce_cached(cli, &body->oa, 0);
+ osc_announce_cached(cli, &body->oa, 0);
- client_obd_list_lock(&cli->cl_loi_list_lock);
- body->oa.o_grant = cli->cl_avail_grant - target;
- cli->cl_avail_grant = target;
+ client_obd_list_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);
if (!(body->oa.o_valid & OBD_MD_FLFLAGS)) {
body->oa.o_valid |= OBD_MD_FLFLAGS;
RETURN(rc);
}
-#define GRANT_SHRINK_LIMIT PTLRPC_MAX_BRW_SIZE
static int osc_should_shrink_grant(struct client_obd *client)
{
cfs_time_t time = cfs_time_current();
OBD_CONNECT_GRANT_SHRINK) == 0)
return 0;
- if (cfs_time_aftereq(time, next_shrink - 5 * CFS_TICK)) {
- if (client->cl_import->imp_state == LUSTRE_IMP_FULL &&
- client->cl_avail_grant > GRANT_SHRINK_LIMIT)
- return 1;
- else
- osc_update_next_shrink(client);
- }
+ if (cfs_time_aftereq(time, next_shrink - 5 * CFS_TICK)) {
+ /* Get the current RPC size directly, instead of going via:
+ * cli_brw_size(obd->u.cli.cl_import->imp_obd->obd_self_export)
+ * Keep comment here so that it can be found by searching. */
+ int brw_size = client->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT;
+
+ if (client->cl_import->imp_state == LUSTRE_IMP_FULL &&
+ client->cl_avail_grant > brw_size)
+ return 1;
+ else
+ osc_update_next_shrink(client);
+ }
return 0;
}
static int osc_grant_shrink_grant_cb(struct timeout_item *item, void *data)
{
- struct client_obd *client;
+ struct client_obd *client;
- cfs_list_for_each_entry(client, &item->ti_obd_list,
- cl_grant_shrink_list) {
- if (osc_should_shrink_grant(client))
- osc_shrink_grant(client);
- }
- return 0;
+ list_for_each_entry(client, &item->ti_obd_list, cl_grant_shrink_list) {
+ if (osc_should_shrink_grant(client))
+ osc_shrink_grant(client);
+ }
+ return 0;
}
static int osc_add_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.
+ */
+ 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_pages << PAGE_CACHE_SHIFT);
if (cli->cl_avail_grant < 0) {
- CWARN("%s: available grant < 0, the OSS is probably not running"
- " with patch from bug20278 (%ld) \n",
- cli->cl_import->imp_obd->obd_name, cli->cl_avail_grant);
- /* workaround for 1.6 servers which do not have
- * the patch from bug20278 */
- cli->cl_avail_grant = ocd->ocd_grant;
+ 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_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, CFS_PAGE_SHIFT, ocd->ocd_blocksize);
+ cli->cl_chunkbits = max_t(int, PAGE_CACHE_SHIFT, ocd->ocd_blocksize);
client_obd_list_unlock(&cli->cl_loi_list_lock);
CDEBUG(D_CACHE, "%s, setting cl_avail_grant: %ld cl_lost_grant: %ld."
cli->cl_avail_grant, cli->cl_lost_grant, cli->cl_chunkbits);
if (ocd->ocd_connect_flags & OBD_CONNECT_GRANT_SHRINK &&
- cfs_list_empty(&cli->cl_grant_shrink_list))
+ list_empty(&cli->cl_grant_shrink_list))
osc_add_shrink_grant(cli);
}
while (nob_read > 0) {
LASSERT (page_count > 0);
- if (pga[i]->count > nob_read) {
- /* EOF inside this page */
- ptr = cfs_kmap(pga[i]->pg) +
- (pga[i]->off & ~CFS_PAGE_MASK);
- memset(ptr + nob_read, 0, pga[i]->count - nob_read);
- cfs_kunmap(pga[i]->pg);
- page_count--;
- i++;
- break;
- }
+ if (pga[i]->count > nob_read) {
+ /* EOF inside this page */
+ ptr = kmap(pga[i]->pg) +
+ (pga[i]->off & ~CFS_PAGE_MASK);
+ memset(ptr + nob_read, 0, pga[i]->count - nob_read);
+ kunmap(pga[i]->pg);
+ page_count--;
+ i++;
+ break;
+ }
nob_read -= pga[i]->count;
page_count--;
i++;
}
- /* zero remaining pages */
- while (page_count-- > 0) {
- ptr = cfs_kmap(pga[i]->pg) + (pga[i]->off & ~CFS_PAGE_MASK);
- memset(ptr, 0, pga[i]->count);
- cfs_kunmap(pga[i]->pg);
- i++;
- }
+ /* zero remaining pages */
+ while (page_count-- > 0) {
+ ptr = kmap(pga[i]->pg) + (pga[i]->off & ~CFS_PAGE_MASK);
+ memset(ptr, 0, pga[i]->count);
+ kunmap(pga[i]->pg);
+ i++;
+ }
}
static int check_write_rcs(struct ptlrpc_request *req,
static inline int can_merge_pages(struct brw_page *p1, struct brw_page *p2)
{
if (p1->flag != p2->flag) {
- unsigned mask = ~(OBD_BRW_FROM_GRANT| OBD_BRW_NOCACHE|
- OBD_BRW_SYNC|OBD_BRW_ASYNC|OBD_BRW_NOQUOTA);
+ unsigned mask = ~(OBD_BRW_FROM_GRANT | OBD_BRW_NOCACHE |
+ OBD_BRW_SYNC | OBD_BRW_ASYNC |
+ OBD_BRW_NOQUOTA | OBD_BRW_SOFT_SYNC);
/* warn if we try to combine flags that we don't know to be
* 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;
* simulate an OST->client data error */
if (i == 0 && opc == OST_READ &&
OBD_FAIL_CHECK(OBD_FAIL_OSC_CHECKSUM_RECEIVE)) {
- unsigned char *ptr = cfs_kmap(pga[i]->pg);
+ unsigned char *ptr = kmap(pga[i]->pg);
int off = pga[i]->off & ~CFS_PAGE_MASK;
+
memcpy(ptr + off, "bad1", min(4, nob));
- cfs_kunmap(pga[i]->pg);
+ kunmap(pga[i]->pg);
}
cfs_crypto_hash_update_page(hdesc, pga[i]->pg,
- pga[i]->off & ~CFS_PAGE_MASK,
- count);
- LL_CDEBUG_PAGE(D_PAGE, pga[i]->pg, "off %d checksum %x\n",
- (int)(pga[i]->off & ~CFS_PAGE_MASK), cksum);
+ pga[i]->off & ~CFS_PAGE_MASK,
+ count);
+ LL_CDEBUG_PAGE(D_PAGE, pga[i]->pg, "off %d\n",
+ (int)(pga[i]->off & ~CFS_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))
* retry logic */
req->rq_no_retry_einprogress = 1;
- if (opc == OST_WRITE)
- desc = ptlrpc_prep_bulk_imp(req, page_count,
- BULK_GET_SOURCE, OST_BULK_PORTAL);
- else
- desc = ptlrpc_prep_bulk_imp(req, page_count,
- BULK_PUT_SINK, OST_BULK_PORTAL);
+ 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);
if (desc == NULL)
GOTO(out, rc = -ENOMEM);
niobuf = req_capsule_client_get(pill, &RMF_NIOBUF_REMOTE);
LASSERT(body != NULL && ioobj != NULL && niobuf != NULL);
- lustre_set_wire_obdo(&body->oa, oa);
-
- obdo_to_ioobj(oa, ioobj);
- ioobj->ioo_bufcnt = niocount;
- osc_pack_capa(req, body, ocapa);
- LASSERT (page_count > 0);
- pg_prev = pga[0];
+ lustre_set_wire_obdo(&req->rq_import->imp_connect_data, &body->oa, oa);
+
+ obdo_to_ioobj(oa, ioobj);
+ ioobj->ioo_bufcnt = niocount;
+ /* The high bits of ioo_max_brw tells server _maximum_ number of bulks
+ * that might be send for this request. The actual number is decided
+ * when the RPC is finally sent in ptlrpc_register_bulk(). It sends
+ * "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;
LASSERT(pg->count > 0);
/* make sure there is no gap in the middle of page array */
- LASSERTF(page_count == 1 ||
- (ergo(i == 0, poff + pg->count == CFS_PAGE_SIZE) &&
- ergo(i > 0 && i < page_count - 1,
- poff == 0 && pg->count == CFS_PAGE_SIZE) &&
- 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);
+ LASSERTF(page_count == 1 ||
+ (ergo(i == 0, poff + pg->count == PAGE_CACHE_SIZE) &&
+ ergo(i > 0 && i < page_count - 1,
+ poff == 0 && pg->count == PAGE_CACHE_SIZE) &&
+ 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
LASSERT((pga[0]->flag & OBD_BRW_SRVLOCK) ==
(pg->flag & OBD_BRW_SRVLOCK));
- ptlrpc_prep_bulk_page(desc, pg->pg, poff, pg->count);
+ ptlrpc_prep_bulk_page_pin(desc, pg->pg, poff, pg->count);
requested_nob += pg->count;
if (i > 0 && can_merge_pages(pg_prev, pg)) {
aa->aa_resends = 0;
aa->aa_ppga = pga;
aa->aa_cli = cli;
- CFS_INIT_LIST_HEAD(&aa->aa_oaps);
+ INIT_LIST_HEAD(&aa->aa_oaps);
if (ocapa && reserve)
aa->aa_ocapa = capa_get(ocapa);
msg = "changed in transit AND doesn't match the original - "
"likely false positive due to mmap IO (bug 11742)";
- LCONSOLE_ERROR_MSG(0x132, "BAD WRITE CHECKSUM: %s: from %s inode "DFID
- " object "LPU64"/"LPU64" extent ["LPU64"-"LPU64"]\n",
- msg, libcfs_nid2str(peer->nid),
- oa->o_valid & OBD_MD_FLFID ? oa->o_parent_seq : (__u64)0,
- oa->o_valid & OBD_MD_FLFID ? oa->o_parent_oid : 0,
- oa->o_valid & OBD_MD_FLFID ? oa->o_parent_ver : 0,
- oa->o_id,
- oa->o_valid & OBD_MD_FLGROUP ? oa->o_seq : (__u64)0,
- pga[0]->off,
- pga[page_count-1]->off + pga[page_count-1]->count - 1);
- CERROR("original client csum %x (type %x), server csum %x (type %x), "
- "client csum now %x\n", client_cksum, client_cksum_type,
- server_cksum, cksum_type, new_cksum);
- return 1;
+ LCONSOLE_ERROR_MSG(0x132, "BAD WRITE CHECKSUM: %s: from %s inode "DFID
+ " object "DOSTID" extent ["LPU64"-"LPU64"]\n",
+ msg, libcfs_nid2str(peer->nid),
+ oa->o_valid & OBD_MD_FLFID ? oa->o_parent_seq : (__u64)0,
+ oa->o_valid & OBD_MD_FLFID ? oa->o_parent_oid : 0,
+ oa->o_valid & OBD_MD_FLFID ? oa->o_parent_ver : 0,
+ POSTID(&oa->o_oi), pga[0]->off,
+ pga[page_count-1]->off + pga[page_count-1]->count - 1);
+ CERROR("original client csum %x (type %x), server csum %x (type %x), "
+ "client csum now %x\n", client_cksum, client_cksum_type,
+ server_cksum, cksum_type, new_cksum);
+ return 1;
}
/* Note rc enters this function as number of bytes transferred */
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) {
- LCONSOLE_ERROR_MSG(0x133, "%s: BAD READ CHECKSUM: from "
- "%s%s%s inode "DFID" object "
- LPU64"/"LPU64" extent "
- "["LPU64"-"LPU64"]\n",
- req->rq_import->imp_obd->obd_name,
- libcfs_nid2str(peer->nid),
- 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,
- aa->aa_ppga[0]->off,
- aa->aa_ppga[aa->aa_page_count-1]->off +
- aa->aa_ppga[aa->aa_page_count-1]->count -
- 1);
- CERROR("client %x, server %x, cksum_type %x\n",
- client_cksum, server_cksum, cksum_type);
- cksum_counter = 0;
- aa->aa_oa->o_cksum = client_cksum;
- rc = -EAGAIN;
- } else {
- cksum_counter++;
- CDEBUG(D_PAGE, "checksum %x confirmed\n", client_cksum);
- rc = 0;
- }
+ 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",
+ req->rq_import->imp_obd->obd_name,
+ libcfs_nid2str(peer->nid),
+ 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,
+ POSTID(&body->oa.o_oi),
+ aa->aa_ppga[0]->off,
+ aa->aa_ppga[aa->aa_page_count-1]->off +
+ aa->aa_ppga[aa->aa_page_count-1]->count -
+ 1);
+ CERROR("client %x, server %x, cksum_type %x\n",
+ client_cksum, server_cksum, cksum_type);
+ cksum_counter = 0;
+ aa->aa_oa->o_cksum = client_cksum;
+ rc = -EAGAIN;
+ } else {
+ cksum_counter++;
+ CDEBUG(D_PAGE, "checksum %x confirmed\n", client_cksum);
+ rc = 0;
+ }
} else if (unlikely(client_cksum)) {
static int cksum_missed;
rc = 0;
}
out:
- if (rc >= 0)
- lustre_get_wire_obdo(aa->aa_oa, &body->oa);
+ if (rc >= 0)
+ lustre_get_wire_obdo(&req->rq_import->imp_connect_data,
+ aa->aa_oa, &body->oa);
RETURN(rc);
}
-static int osc_brw_internal(int cmd, struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *lsm,
- obd_count page_count, struct brw_page **pga,
- struct obd_capa *ocapa)
-{
- struct ptlrpc_request *req;
- int rc;
- cfs_waitq_t waitq;
- int generation, resends = 0;
- struct l_wait_info lwi;
-
- ENTRY;
-
- cfs_waitq_init(&waitq);
- generation = exp->exp_obd->u.cli.cl_import->imp_generation;
-
-restart_bulk:
- rc = osc_brw_prep_request(cmd, &exp->exp_obd->u.cli, oa, lsm,
- page_count, pga, &req, ocapa, 0, resends);
- if (rc != 0)
- return (rc);
-
- if (resends) {
- req->rq_generation_set = 1;
- req->rq_import_generation = generation;
- req->rq_sent = cfs_time_current_sec() + resends;
- }
-
- rc = ptlrpc_queue_wait(req);
-
- if (rc == -ETIMEDOUT && req->rq_resend) {
- DEBUG_REQ(D_HA, req, "BULK TIMEOUT");
- ptlrpc_req_finished(req);
- goto restart_bulk;
- }
-
- rc = osc_brw_fini_request(req, rc);
-
- ptlrpc_req_finished(req);
- /* When server return -EINPROGRESS, client should always retry
- * regardless of the number of times the bulk was resent already.*/
- if (osc_recoverable_error(rc)) {
- resends++;
- if (rc != -EINPROGRESS &&
- !client_should_resend(resends, &exp->exp_obd->u.cli)) {
- CERROR("%s: too many resend retries for object: "
- ""LPU64":"LPU64", rc = %d.\n",
- exp->exp_obd->obd_name, oa->o_id, oa->o_seq, rc);
- goto out;
- }
- if (generation !=
- exp->exp_obd->u.cli.cl_import->imp_generation) {
- CDEBUG(D_HA, "%s: resend cross eviction for object: "
- ""LPU64":"LPU64", rc = %d.\n",
- exp->exp_obd->obd_name, oa->o_id, oa->o_seq, rc);
- goto out;
- }
-
- lwi = LWI_TIMEOUT_INTR(cfs_time_seconds(resends), NULL, NULL,
- NULL);
- l_wait_event(waitq, 0, &lwi);
-
- goto restart_bulk;
- }
-out:
- if (rc == -EAGAIN || rc == -EINPROGRESS)
- rc = -EIO;
- RETURN (rc);
-}
-
-int osc_brw_redo_request(struct ptlrpc_request *request,
- struct osc_brw_async_args *aa)
+static int osc_brw_redo_request(struct ptlrpc_request *request,
+ struct osc_brw_async_args *aa, int rc)
{
struct ptlrpc_request *new_req;
struct osc_brw_async_args *new_aa;
struct osc_async_page *oap;
- int rc = 0;
ENTRY;
- DEBUG_REQ(D_ERROR, request, "redo for recoverable error");
+ 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,
if (rc)
RETURN(rc);
- cfs_list_for_each_entry(oap, &aa->aa_oaps, oap_rpc_item) {
+ list_for_each_entry(oap, &aa->aa_oaps, oap_rpc_item) {
if (oap->oap_request != NULL) {
LASSERTF(request == oap->oap_request,
"request %p != oap_request %p\n",
aa->aa_resends++;
new_req->rq_interpret_reply = request->rq_interpret_reply;
new_req->rq_async_args = request->rq_async_args;
- new_req->rq_sent = cfs_time_current_sec() + aa->aa_resends;
+ new_req->rq_commit_cb = request->rq_commit_cb;
+ /* cap resend delay to the current request timeout, this is similar to
+ * what ptlrpc does (see after_reply()) */
+ if (aa->aa_resends > new_req->rq_timeout)
+ new_req->rq_sent = cfs_time_current_sec() + new_req->rq_timeout;
+ else
+ new_req->rq_sent = cfs_time_current_sec() + aa->aa_resends;
new_req->rq_generation_set = 1;
new_req->rq_import_generation = request->rq_import_generation;
new_aa = ptlrpc_req_async_args(new_req);
- CFS_INIT_LIST_HEAD(&new_aa->aa_oaps);
- cfs_list_splice_init(&aa->aa_oaps, &new_aa->aa_oaps);
- CFS_INIT_LIST_HEAD(&new_aa->aa_exts);
- cfs_list_splice_init(&aa->aa_exts, &new_aa->aa_exts);
+ INIT_LIST_HEAD(&new_aa->aa_oaps);
+ list_splice_init(&aa->aa_oaps, &new_aa->aa_oaps);
+ INIT_LIST_HEAD(&new_aa->aa_exts);
+ list_splice_init(&aa->aa_exts, &new_aa->aa_exts);
+ new_aa->aa_resends = aa->aa_resends;
- cfs_list_for_each_entry(oap, &new_aa->aa_oaps, oap_rpc_item) {
+ list_for_each_entry(oap, &new_aa->aa_oaps, oap_rpc_item) {
if (oap->oap_request) {
ptlrpc_req_finished(oap->oap_request);
oap->oap_request = ptlrpc_request_addref(new_req);
} while (stride > 1);
}
-static obd_count max_unfragmented_pages(struct brw_page **pg, obd_count pages)
-{
- int count = 1;
- int offset;
- int i = 0;
-
- LASSERT (pages > 0);
- offset = pg[i]->off & ~CFS_PAGE_MASK;
-
- for (;;) {
- pages--;
- if (pages == 0) /* that's all */
- return count;
-
- if (offset + pg[i]->count < CFS_PAGE_SIZE)
- return count; /* doesn't end on page boundary */
-
- i++;
- offset = pg[i]->off & ~CFS_PAGE_MASK;
- if (offset != 0) /* doesn't start on page boundary */
- return count;
-
- count++;
- }
-}
-
-static struct brw_page **osc_build_ppga(struct brw_page *pga, obd_count count)
-{
- struct brw_page **ppga;
- int i;
-
- OBD_ALLOC(ppga, sizeof(*ppga) * count);
- if (ppga == NULL)
- return NULL;
-
- for (i = 0; i < count; i++)
- ppga[i] = pga + i;
- return ppga;
-}
-
static void osc_release_ppga(struct brw_page **ppga, obd_count count)
{
LASSERT(ppga != NULL);
OBD_FREE(ppga, sizeof(*ppga) * count);
}
-static int osc_brw(int cmd, struct obd_export *exp, struct obd_info *oinfo,
- obd_count page_count, struct brw_page *pga,
- struct obd_trans_info *oti)
-{
- struct obdo *saved_oa = NULL;
- struct brw_page **ppga, **orig;
- struct obd_import *imp = class_exp2cliimp(exp);
- struct client_obd *cli;
- int rc, page_count_orig;
- ENTRY;
-
- LASSERT((imp != NULL) && (imp->imp_obd != NULL));
- cli = &imp->imp_obd->u.cli;
-
- if (cmd & OBD_BRW_CHECK) {
- /* The caller just wants to know if there's a chance that this
- * I/O can succeed */
-
- if (imp->imp_invalid)
- RETURN(-EIO);
- RETURN(0);
- }
-
- /* test_brw with a failed create can trip this, maybe others. */
- LASSERT(cli->cl_max_pages_per_rpc);
-
- rc = 0;
-
- orig = ppga = osc_build_ppga(pga, page_count);
- if (ppga == NULL)
- RETURN(-ENOMEM);
- page_count_orig = page_count;
-
- sort_brw_pages(ppga, page_count);
- while (page_count) {
- obd_count pages_per_brw;
-
- if (page_count > cli->cl_max_pages_per_rpc)
- pages_per_brw = cli->cl_max_pages_per_rpc;
- else
- pages_per_brw = page_count;
-
- pages_per_brw = max_unfragmented_pages(ppga, pages_per_brw);
-
- if (saved_oa != NULL) {
- /* restore previously saved oa */
- *oinfo->oi_oa = *saved_oa;
- } else if (page_count > pages_per_brw) {
- /* save a copy of oa (brw will clobber it) */
- OBDO_ALLOC(saved_oa);
- if (saved_oa == NULL)
- GOTO(out, rc = -ENOMEM);
- *saved_oa = *oinfo->oi_oa;
- }
-
- rc = osc_brw_internal(cmd, exp, oinfo->oi_oa, oinfo->oi_md,
- pages_per_brw, ppga, oinfo->oi_capa);
-
- if (rc != 0)
- break;
-
- page_count -= pages_per_brw;
- ppga += pages_per_brw;
- }
-
-out:
- osc_release_ppga(orig, page_count_orig);
-
- if (saved_oa != NULL)
- OBDO_FREE(saved_oa);
-
- RETURN(rc);
-}
-
static int brw_interpret(const struct lu_env *env,
struct ptlrpc_request *req, void *data, int rc)
{
struct osc_brw_async_args *aa = data;
struct osc_extent *ext;
struct osc_extent *tmp;
- struct cl_object *obj = NULL;
struct client_obd *cli = aa->aa_cli;
ENTRY;
CDEBUG(D_INODE, "request %p aa %p rc %d\n", req, aa, rc);
/* When server return -EINPROGRESS, client should always retry
* regardless of the number of times the bulk was resent already. */
- if (osc_recoverable_error(rc)) {
- if (req->rq_import_generation !=
- req->rq_import->imp_generation) {
- CDEBUG(D_HA, "%s: resend cross eviction for object: "
- ""LPU64":"LPU64", rc = %d.\n",
- req->rq_import->imp_obd->obd_name,
- aa->aa_oa->o_id, aa->aa_oa->o_seq, rc);
- } else if (rc == -EINPROGRESS ||
- client_should_resend(aa->aa_resends, aa->aa_cli)) {
- rc = osc_brw_redo_request(req, aa);
- } else {
- CERROR("%s: too many resent retries for object: "
- ""LPU64":"LPU64", rc = %d.\n",
- req->rq_import->imp_obd->obd_name,
- aa->aa_oa->o_id, aa->aa_oa->o_seq, rc);
- }
+ if (osc_recoverable_error(rc)) {
+ if (req->rq_import_generation !=
+ req->rq_import->imp_generation) {
+ CDEBUG(D_HA, "%s: resend cross eviction for object: "
+ ""DOSTID", rc = %d.\n",
+ req->rq_import->imp_obd->obd_name,
+ POSTID(&aa->aa_oa->o_oi), rc);
+ } else if (rc == -EINPROGRESS ||
+ client_should_resend(aa->aa_resends, aa->aa_cli)) {
+ rc = osc_brw_redo_request(req, aa, rc);
+ } else {
+ CERROR("%s: too many resent retries for object: "
+ ""LPU64":"LPU64", rc = %d.\n",
+ req->rq_import->imp_obd->obd_name,
+ POSTID(&aa->aa_oa->o_oi), rc);
+ }
- if (rc == 0)
- RETURN(0);
- else if (rc == -EAGAIN || rc == -EINPROGRESS)
- rc = -EIO;
- }
+ if (rc == 0)
+ RETURN(0);
+ else if (rc == -EAGAIN || rc == -EINPROGRESS)
+ rc = -EIO;
+ }
if (aa->aa_ocapa) {
capa_put(aa->aa_ocapa);
aa->aa_ocapa = NULL;
}
- cfs_list_for_each_entry_safe(ext, tmp, &aa->aa_exts, oe_link) {
- if (obj == NULL && rc == 0) {
- obj = osc2cl(ext->oe_obj);
- cl_object_get(obj);
- }
-
- cfs_list_del_init(&ext->oe_link);
- osc_extent_finish(env, ext, 1, rc);
- }
- LASSERT(cfs_list_empty(&aa->aa_exts));
- LASSERT(cfs_list_empty(&aa->aa_oaps));
-
- if (obj != NULL) {
+ if (rc == 0) {
struct obdo *oa = aa->aa_oa;
- struct cl_attr *attr = &osc_env_info(env)->oti_attr;
+ struct cl_attr *attr = &osc_env_info(env)->oti_attr;
unsigned long valid = 0;
+ struct cl_object *obj;
+ struct osc_async_page *last;
- LASSERT(rc == 0);
+ last = brw_page2oap(aa->aa_ppga[aa->aa_page_count - 1]);
+ obj = osc2cl(last->oap_obj);
+
+ cl_object_attr_lock(obj);
if (oa->o_valid & OBD_MD_FLBLOCKS) {
attr->cat_blocks = oa->o_blocks;
valid |= CAT_BLOCKS;
attr->cat_ctime = oa->o_ctime;
valid |= CAT_CTIME;
}
- if (valid != 0) {
- cl_object_attr_lock(obj);
- cl_object_attr_set(env, obj, attr, valid);
- cl_object_attr_unlock(obj);
+
+ 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;
+
+ /* Change file size if this is an out of quota or
+ * direct IO write and it extends the file size */
+ if (loi->loi_lvb.lvb_size < last_off) {
+ attr->cat_size = last_off;
+ valid |= CAT_SIZE;
+ }
+ /* Extend KMS if it's not a lockless write */
+ if (loi->loi_kms < last_off &&
+ oap2osc_page(last)->ops_srvlock == 0) {
+ attr->cat_kms = last_off;
+ valid |= CAT_KMS;
+ }
}
- cl_object_put(env, obj);
+
+ if (valid != 0)
+ cl_object_attr_set(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);
+ }
+ LASSERT(list_empty(&aa->aa_exts));
+ LASSERT(list_empty(&aa->aa_oaps));
+
cl_req_completion(env, aa->aa_clerq, rc < 0 ? rc :
req->rq_bulk->bd_nob_transferred);
osc_release_ppga(aa->aa_ppga, aa->aa_page_count);
RETURN(rc);
}
+static void brw_commit(struct ptlrpc_request *req)
+{
+ /* If osc_inc_unstable_pages (via osc_extent_finish) races with
+ * this called via the rq_commit_cb, I need to ensure
+ * osc_dec_unstable_pages is still called. Otherwise unstable
+ * pages may be leaked. */
+ spin_lock(&req->rq_lock);
+ if (likely(req->rq_unstable)) {
+ req->rq_unstable = 0;
+ spin_unlock(&req->rq_lock);
+
+ osc_dec_unstable_pages(req);
+ } else {
+ req->rq_committed = 1;
+ spin_unlock(&req->rq_lock);
+ }
+}
+
/**
* Build an RPC by the list of extent @ext_list. The caller must ensure
* that the total pages in this list are NOT over max pages per RPC.
* Extents in the list must be in OES_RPC state.
*/
int osc_build_rpc(const struct lu_env *env, struct client_obd *cli,
- cfs_list_t *ext_list, int cmd, pdl_policy_t pol)
-{
- struct ptlrpc_request *req = NULL;
- struct osc_extent *ext;
- CFS_LIST_HEAD(rpc_list);
- struct brw_page **pga = NULL;
- struct osc_brw_async_args *aa = NULL;
- struct obdo *oa = NULL;
- struct osc_async_page *oap;
- struct osc_async_page *tmp;
- 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;
- obd_off starting_offset = OBD_OBJECT_EOF;
- obd_off ending_offset = 0;
- int i, rc, mpflag = 0, mem_tight = 0, page_count = 0;
+ struct list_head *ext_list, int cmd, pdl_policy_t pol)
+{
+ struct ptlrpc_request *req = NULL;
+ struct osc_extent *ext;
+ struct brw_page **pga = NULL;
+ struct osc_brw_async_args *aa = NULL;
+ struct obdo *oa = NULL;
+ struct osc_async_page *oap;
+ struct osc_async_page *tmp;
+ struct cl_req *clerq = NULL;
+ enum cl_req_type crt = (cmd & OBD_BRW_WRITE) ? CRT_WRITE :
+ CRT_READ;
+ struct cl_req_attr *crattr = NULL;
+ obd_off starting_offset = OBD_OBJECT_EOF;
+ obd_off 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);
ENTRY;
- LASSERT(!cfs_list_empty(ext_list));
+ LASSERT(!list_empty(ext_list));
/* add pages into rpc_list to build BRW rpc */
- cfs_list_for_each_entry(ext, ext_list, oe_link) {
+ list_for_each_entry(ext, ext_list, oe_link) {
LASSERT(ext->oe_state == OES_RPC);
mem_tight |= ext->oe_memalloc;
- cfs_list_for_each_entry(oap, &ext->oe_pages, oap_pending_item) {
+ list_for_each_entry(oap, &ext->oe_pages, oap_pending_item) {
++page_count;
- cfs_list_add_tail(&oap->oap_rpc_item, &rpc_list);
+ list_add_tail(&oap->oap_rpc_item, &rpc_list);
if (starting_offset > oap->oap_obj_off)
starting_offset = oap->oap_obj_off;
else
oap->oap_count;
else
LASSERT(oap->oap_page_off + oap->oap_count ==
- CFS_PAGE_SIZE);
+ PAGE_CACHE_SIZE);
}
}
+ soft_sync = osc_over_unstable_soft_limit(cli);
if (mem_tight)
mpflag = cfs_memory_pressure_get_and_set();
- memset(&crattr, 0, sizeof crattr);
+ OBD_ALLOC(crattr, sizeof(*crattr));
+ if (crattr == NULL)
+ GOTO(out, rc = -ENOMEM);
+
OBD_ALLOC(pga, sizeof(*pga) * page_count);
if (pga == NULL)
GOTO(out, rc = -ENOMEM);
GOTO(out, rc = -ENOMEM);
i = 0;
- cfs_list_for_each_entry(oap, &rpc_list, oap_rpc_item) {
+ list_for_each_entry(oap, &rpc_list, oap_rpc_item) {
struct cl_page *page = oap2cl_page(oap);
if (clerq == NULL) {
clerq = cl_req_alloc(env, page, crt,
- 1 /* only 1-object rpcs for
- * now */);
+ 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;
- 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",
- pga[i]->pg, cfs_page_index(oap->oap_page), oap, pga[i]->flag);
- i++;
- cl_req_page_add(env, clerq, page);
- }
+ 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",
+ pga[i]->pg, page_index(oap->oap_page), oap,
+ pga[i]->flag);
+ i++;
+ cl_req_page_add(env, clerq, page);
+ }
- /* always get the data for the obdo for the rpc */
+ /* always get the data for the obdo for the rpc */
LASSERT(clerq != NULL);
- crattr.cra_oa = oa;
- crattr.cra_capa = NULL;
- memset(crattr.cra_jobid, 0, JOBSTATS_JOBID_SIZE);
- cl_req_attr_set(env, clerq, &crattr, ~0ULL);
- if (lock) {
- oa->o_handle = lock->l_remote_handle;
- oa->o_valid |= OBD_MD_FLHANDLE;
- }
+ crattr->cra_oa = oa;
+ cl_req_attr_set(env, clerq, crattr, ~0ULL);
- rc = cl_req_prep(env, clerq);
- if (rc != 0) {
- CERROR("cl_req_prep failed: %d\n", rc);
+ rc = cl_req_prep(env, clerq);
+ if (rc != 0) {
+ CERROR("cl_req_prep failed: %d\n", rc);
GOTO(out, rc);
}
sort_brw_pages(pga, page_count);
rc = osc_brw_prep_request(cmd, cli, oa, NULL, page_count,
- pga, &req, crattr.cra_capa, 1, 0);
+ pga, &req, crattr->cra_capa, 1, 0);
if (rc != 0) {
CERROR("prep_req failed: %d\n", rc);
GOTO(out, rc);
}
+ req->rq_commit_cb = brw_commit;
req->rq_interpret_reply = brw_interpret;
+
if (mem_tight != 0)
- req->rq_memalloc = 1;
+ req->rq_memalloc = 1;
- /* Need to update the timestamps after the request is built in case
- * we race with setattr (locally or in queue at OST). If OST gets
- * 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 */
- cl_req_attr_set(env, clerq, &crattr,
- OBD_MD_FLMTIME|OBD_MD_FLCTIME|OBD_MD_FLATIME);
+ /* Need to update the timestamps after the request is built in case
+ * we race with setattr (locally or in queue at OST). If OST gets
+ * 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 */
+ cl_req_attr_set(env, clerq, crattr,
+ OBD_MD_FLMTIME|OBD_MD_FLCTIME|OBD_MD_FLATIME);
- lustre_msg_set_jobid(req->rq_reqmsg, crattr.cra_jobid);
+ lustre_msg_set_jobid(req->rq_reqmsg, crattr->cra_jobid);
CLASSERT(sizeof(*aa) <= sizeof(req->rq_async_args));
aa = ptlrpc_req_async_args(req);
- CFS_INIT_LIST_HEAD(&aa->aa_oaps);
- cfs_list_splice_init(&rpc_list, &aa->aa_oaps);
- CFS_INIT_LIST_HEAD(&aa->aa_exts);
- cfs_list_splice_init(ext_list, &aa->aa_exts);
+ INIT_LIST_HEAD(&aa->aa_oaps);
+ list_splice_init(&rpc_list, &aa->aa_oaps);
+ INIT_LIST_HEAD(&aa->aa_exts);
+ list_splice_init(ext_list, &aa->aa_exts);
aa->aa_clerq = clerq;
/* queued sync pages can be torn down while the pages
* were between the pending list and the rpc */
tmp = NULL;
- cfs_list_for_each_entry(oap, &aa->aa_oaps, oap_rpc_item) {
+ list_for_each_entry(oap, &aa->aa_oaps, oap_rpc_item) {
/* only one oap gets a request reference */
if (tmp == NULL)
tmp = oap;
tmp->oap_request = ptlrpc_request_addref(req);
client_obd_list_lock(&cli->cl_loi_list_lock);
- starting_offset >>= CFS_PAGE_SHIFT;
+ starting_offset >>= PAGE_CACHE_SHIFT;
if (cmd == OBD_BRW_READ) {
cli->cl_r_in_flight++;
lprocfs_oh_tally_log2(&cli->cl_read_page_hist, page_count);
if (mem_tight != 0)
cfs_memory_pressure_restore(mpflag);
- capa_put(crattr.cra_capa);
+ if (crattr != NULL) {
+ capa_put(crattr->cra_capa);
+ OBD_FREE(crattr, sizeof(*crattr));
+ }
+
if (rc != 0) {
LASSERT(req == NULL);
- if (oa)
- OBDO_FREE(oa);
- if (pga)
- OBD_FREE(pga, sizeof(*pga) * page_count);
- /* this should happen rarely and is pretty bad, it makes the
- * pending list not follow the dirty order */
- while (!cfs_list_empty(ext_list)) {
- ext = cfs_list_entry(ext_list->next, struct osc_extent,
- oe_link);
- cfs_list_del_init(&ext->oe_link);
+ if (oa)
+ OBDO_FREE(oa);
+ if (pga)
+ OBD_FREE(pga, sizeof(*pga) * page_count);
+ /* this should happen rarely and is pretty bad, it makes the
+ * pending list not follow the dirty order */
+ while (!list_empty(ext_list)) {
+ ext = list_entry(ext_list->next, struct osc_extent,
+ oe_link);
+ list_del_init(&ext->oe_link);
osc_extent_finish(env, ext, 0, rc);
}
if (clerq && !IS_ERR(clerq))
LASSERT(lock->l_glimpse_ast == einfo->ei_cb_gl);
lock_res_and_lock(lock);
- cfs_spin_lock(&osc_ast_guard);
+ spin_lock(&osc_ast_guard);
- if (lock->l_ast_data == NULL)
- lock->l_ast_data = data;
- if (lock->l_ast_data == data)
- set = 1;
+ if (lock->l_ast_data == NULL)
+ lock->l_ast_data = data;
+ if (lock->l_ast_data == data)
+ set = 1;
- cfs_spin_unlock(&osc_ast_guard);
- unlock_res_and_lock(lock);
+ spin_unlock(&osc_ast_guard);
+ unlock_res_and_lock(lock);
- return set;
+ return set;
}
static int osc_set_data_with_check(struct lustre_handle *lockh,
struct ldlm_res_id res_id;
struct obd_device *obd = class_exp2obd(exp);
- osc_build_res_name(lsm->lsm_object_id, lsm->lsm_object_seq, &res_id);
+ ostid_build_res_name(&lsm->lsm_oi, &res_id);
ldlm_resource_iterate(obd->obd_namespace, &res_id, replace, data);
return 0;
}
struct obd_device *obd = class_exp2obd(exp);
int rc = 0;
- osc_build_res_name(lsm->lsm_object_id, lsm->lsm_object_seq, &res_id);
+ 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);
static int osc_enqueue_fini(struct ptlrpc_request *req, struct ost_lvb *lvb,
obd_enqueue_update_f upcall, void *cookie,
- int *flags, int agl, int rc)
+ __u64 *flags, int agl, int rc)
{
int intent = *flags & LDLM_FL_HAS_INTENT;
ENTRY;
&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;
}
__u32 mode;
struct ost_lvb *lvb;
__u32 lvb_len;
- int *flags = aa->oa_flags;
+ __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. */
* osc_enqueue_fini(). */
ldlm_lock_addref(&handle, 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);
return rc;
}
-void osc_update_enqueue(struct lustre_handle *lov_lockhp,
- struct lov_oinfo *loi, int flags,
- struct ost_lvb *lvb, __u32 mode, int rc)
-{
- struct ldlm_lock *lock = ldlm_handle2lock(lov_lockhp);
-
- if (rc == ELDLM_OK) {
- __u64 tmp;
-
- LASSERT(lock != NULL);
- loi->loi_lvb = *lvb;
- tmp = loi->loi_lvb.lvb_size;
- /* Extend KMS up to the end of this lock and no further
- * A lock on [x,y] means a KMS of up to y + 1 bytes! */
- if (tmp > lock->l_policy_data.l_extent.end)
- tmp = lock->l_policy_data.l_extent.end + 1;
- if (tmp >= loi->loi_kms) {
- LDLM_DEBUG(lock, "lock acquired, setting rss="LPU64
- ", kms="LPU64, loi->loi_lvb.lvb_size, tmp);
- loi_kms_set(loi, tmp);
- } else {
- LDLM_DEBUG(lock, "lock acquired, setting rss="
- LPU64"; leaving kms="LPU64", end="LPU64,
- loi->loi_lvb.lvb_size, loi->loi_kms,
- lock->l_policy_data.l_extent.end);
- }
- ldlm_lock_allow_match(lock);
- } else if (rc == ELDLM_LOCK_ABORTED && (flags & LDLM_FL_HAS_INTENT)) {
- LASSERT(lock != NULL);
- loi->loi_lvb = *lvb;
- ldlm_lock_allow_match(lock);
- CDEBUG(D_INODE, "glimpsed, setting rss="LPU64"; leaving"
- " kms="LPU64"\n", loi->loi_lvb.lvb_size, loi->loi_kms);
- rc = ELDLM_OK;
- }
-
- if (lock != NULL) {
- if (rc != ELDLM_OK)
- ldlm_lock_fail_match(lock);
-
- LDLM_LOCK_PUT(lock);
- }
-}
-EXPORT_SYMBOL(osc_update_enqueue);
-
struct ptlrpc_request_set *PTLRPCD_SET = (void *)1;
/* When enqueuing asynchronously, locks are not ordered, we can obtain a lock
* is excluded 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,
- int *flags, ldlm_policy_data_t *policy,
- struct ost_lvb *lvb, int kms_valid,
- obd_enqueue_update_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 ptlrpc_request *req = NULL;
- int intent = *flags & LDLM_FL_HAS_INTENT;
- int match_lvb = (agl != 0 ? 0 : LDLM_FL_LVB_READY);
- ldlm_mode_t mode;
- int rc;
- ENTRY;
+ __u64 *flags, ldlm_policy_data_t *policy,
+ struct ost_lvb *lvb, int kms_valid,
+ obd_enqueue_update_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 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;
+ int rc;
+ ENTRY;
/* Filesystem lock extents are extended to page boundaries so that
* dealing with the page cache is a little smoother. */
if (mode) {
struct ldlm_lock *matched = ldlm_handle2lock(lockh);
- if ((agl != 0) && !(matched->l_flags & LDLM_FL_LVB_READY)) {
+ 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. */
no_match:
if (intent) {
- CFS_LIST_HEAD(cancels);
- req = ptlrpc_request_alloc(class_exp2cliimp(exp),
- &RQF_LDLM_ENQUEUE_LVB);
- if (req == NULL)
- RETURN(-ENOMEM);
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_LDLM_ENQUEUE_LVB);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- rc = ldlm_prep_enqueue_req(exp, req, &cancels, 0);
- if (rc) {
+ rc = ptlrpc_request_pack(req, LUSTRE_DLM_VERSION, LDLM_ENQUEUE);
+ if (rc < 0) {
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), lockh, async);
+ sizeof(*lvb), LVB_T_OST, lockh, async);
if (rqset) {
if (!rc) {
struct osc_enqueue_args *aa;
RETURN(rc);
}
-static int osc_enqueue(struct obd_export *exp, struct obd_info *oinfo,
- struct ldlm_enqueue_info *einfo,
- struct ptlrpc_request_set *rqset)
-{
- struct ldlm_res_id res_id;
- int rc;
- ENTRY;
-
- osc_build_res_name(oinfo->oi_md->lsm_object_id,
- oinfo->oi_md->lsm_object_seq, &res_id);
-
- rc = osc_enqueue_base(exp, &res_id, &oinfo->oi_flags, &oinfo->oi_policy,
- &oinfo->oi_md->lsm_oinfo[0]->loi_lvb,
- oinfo->oi_md->lsm_oinfo[0]->loi_kms_valid,
- oinfo->oi_cb_up, oinfo, einfo, oinfo->oi_lockh,
- rqset, rqset != NULL, 0);
- 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,
- int *flags, void *data, struct lustre_handle *lockh,
- int unref)
+ __u32 type, ldlm_policy_data_t *policy, __u32 mode,
+ __u64 *flags, void *data, struct lustre_handle *lockh,
+ int unref)
{
- struct obd_device *obd = exp->exp_obd;
- int lflags = *flags;
- ldlm_mode_t rc;
- ENTRY;
+ struct obd_device *obd = exp->exp_obd;
+ __u64 lflags = *flags;
+ ldlm_mode_t rc;
+ ENTRY;
if (OBD_FAIL_CHECK(OBD_FAIL_OSC_MATCH))
RETURN(-EIO);
RETURN(0);
}
-static int osc_cancel(struct obd_export *exp, struct lov_stripe_md *md,
- __u32 mode, struct lustre_handle *lockh)
-{
- ENTRY;
- RETURN(osc_cancel_base(lockh, mode));
-}
-
-static int osc_cancel_unused(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- ldlm_cancel_flags_t flags,
- void *opaque)
-{
- struct obd_device *obd = class_exp2obd(exp);
- struct ldlm_res_id res_id, *resp = NULL;
-
- if (lsm != NULL) {
- resp = osc_build_res_name(lsm->lsm_object_id,
- lsm->lsm_object_seq, &res_id);
- }
-
- return ldlm_cli_cancel_unused(obd->obd_namespace, resp, flags, opaque);
-}
-
static int osc_statfs_interpret(const struct lu_env *env,
struct ptlrpc_request *req,
struct osc_async_args *aa, int rc)
{
- struct client_obd *cli = &req->rq_import->imp_obd->u.cli;
struct obd_statfs *msfs;
- __u64 used;
ENTRY;
if (rc == -EBADR)
GOTO(out, rc = -EPROTO);
}
- /* Reinitialize the RDONLY and DEGRADED flags at the client
- * on each statfs, so they don't stay set permanently. */
- cfs_spin_lock(&cli->cl_oscc.oscc_lock);
-
- if (unlikely(msfs->os_state & OS_STATE_DEGRADED))
- cli->cl_oscc.oscc_flags |= OSCC_FLAG_DEGRADED;
- else if (unlikely(cli->cl_oscc.oscc_flags & OSCC_FLAG_DEGRADED))
- cli->cl_oscc.oscc_flags &= ~OSCC_FLAG_DEGRADED;
-
- if (unlikely(msfs->os_state & OS_STATE_READONLY))
- cli->cl_oscc.oscc_flags |= OSCC_FLAG_RDONLY;
- else if (unlikely(cli->cl_oscc.oscc_flags & OSCC_FLAG_RDONLY))
- cli->cl_oscc.oscc_flags &= ~OSCC_FLAG_RDONLY;
-
- /* Add a bit of hysteresis so this flag isn't continually flapping,
- * and ensure that new files don't get extremely fragmented due to
- * only a small amount of available space in the filesystem.
- * We want to set the NOSPC flag when there is less than ~0.1% free
- * and clear it when there is at least ~0.2% free space, so:
- * avail < ~0.1% max max = avail + used
- * 1025 * avail < avail + used used = blocks - free
- * 1024 * avail < used
- * 1024 * avail < blocks - free
- * avail < ((blocks - free) >> 10)
- *
- * On very large disk, say 16TB 0.1% will be 16 GB. We don't want to
- * lose that amount of space so in those cases we report no space left
- * if their is less than 1 GB left. */
- used = min_t(__u64,(msfs->os_blocks - msfs->os_bfree) >> 10, 1 << 30);
- if (unlikely(((cli->cl_oscc.oscc_flags & OSCC_FLAG_NOSPC) == 0) &&
- ((msfs->os_ffree < 32) || (msfs->os_bavail < used))))
- cli->cl_oscc.oscc_flags |= OSCC_FLAG_NOSPC;
- else if (unlikely(((cli->cl_oscc.oscc_flags & OSCC_FLAG_NOSPC) != 0) &&
- (msfs->os_ffree > 64) &&
- (msfs->os_bavail > (used << 1)))) {
- cli->cl_oscc.oscc_flags &= ~(OSCC_FLAG_NOSPC |
- OSCC_FLAG_NOSPC_BLK);
- }
-
- if (unlikely(((cli->cl_oscc.oscc_flags & OSCC_FLAG_NOSPC) != 0) &&
- (msfs->os_bavail < used)))
- cli->cl_oscc.oscc_flags |= OSCC_FLAG_NOSPC_BLK;
-
- cfs_spin_unlock(&cli->cl_oscc.oscc_lock);
-
*aa->aa_oi->oi_osfs = *msfs;
out:
rc = aa->aa_oi->oi_cb_up(aa->aa_oi, rc);
/*Since the request might also come from lprocfs, so we need
*sync this with client_disconnect_export Bug15684*/
- cfs_down_read(&obd->u.cli.cl_sem);
+ down_read(&obd->u.cli.cl_sem);
if (obd->u.cli.cl_import)
imp = class_import_get(obd->u.cli.cl_import);
- cfs_up_read(&obd->u.cli.cl_sem);
+ up_read(&obd->u.cli.cl_sem);
if (!imp)
RETURN(-ENODEV);
return rc;
}
-/* Retrieve object striping information.
- *
- * @lmmu is a pointer to an in-core struct with lmm_ost_count indicating
- * the maximum number of OST indices which will fit in the user buffer.
- * lmm_magic must be LOV_MAGIC (we only use 1 slot here).
- */
-static int osc_getstripe(struct lov_stripe_md *lsm, struct lov_user_md *lump)
-{
- /* we use lov_user_md_v3 because it is larger than lov_user_md_v1 */
- struct lov_user_md_v3 lum, *lumk;
- struct lov_user_ost_data_v1 *lmm_objects;
- int rc = 0, lum_size;
- ENTRY;
-
- if (!lsm)
- RETURN(-ENODATA);
-
- /* we only need the header part from user space to get lmm_magic and
- * lmm_stripe_count, (the header part is common to v1 and v3) */
- lum_size = sizeof(struct lov_user_md_v1);
- if (cfs_copy_from_user(&lum, lump, lum_size))
- RETURN(-EFAULT);
-
- if ((lum.lmm_magic != LOV_USER_MAGIC_V1) &&
- (lum.lmm_magic != LOV_USER_MAGIC_V3))
- RETURN(-EINVAL);
-
- /* lov_user_md_vX and lov_mds_md_vX must have the same size */
- LASSERT(sizeof(struct lov_user_md_v1) == sizeof(struct lov_mds_md_v1));
- LASSERT(sizeof(struct lov_user_md_v3) == sizeof(struct lov_mds_md_v3));
- LASSERT(sizeof(lum.lmm_objects[0]) == sizeof(lumk->lmm_objects[0]));
-
- /* we can use lov_mds_md_size() to compute lum_size
- * because lov_user_md_vX and lov_mds_md_vX have the same size */
- if (lum.lmm_stripe_count > 0) {
- lum_size = lov_mds_md_size(lum.lmm_stripe_count, lum.lmm_magic);
- OBD_ALLOC(lumk, lum_size);
- if (!lumk)
- RETURN(-ENOMEM);
-
- if (lum.lmm_magic == LOV_USER_MAGIC_V1)
- lmm_objects = &(((struct lov_user_md_v1 *)lumk)->lmm_objects[0]);
- else
- lmm_objects = &(lumk->lmm_objects[0]);
- lmm_objects->l_object_id = lsm->lsm_object_id;
- } else {
- lum_size = lov_mds_md_size(0, lum.lmm_magic);
- lumk = &lum;
- }
-
- lumk->lmm_object_id = lsm->lsm_object_id;
- lumk->lmm_object_seq = lsm->lsm_object_seq;
- lumk->lmm_stripe_count = 1;
-
- if (cfs_copy_to_user(lump, lumk, lum_size))
- rc = -EFAULT;
-
- if (lumk != &lum)
- OBD_FREE(lumk, lum_size);
-
- RETURN(rc);
-}
-
-
static int osc_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
void *karg, void *uarg)
{
int err = 0;
ENTRY;
- if (!cfs_try_module_get(THIS_MODULE)) {
- CERROR("Can't get module. Is it alive?");
- return -EINVAL;
- }
+ if (!try_module_get(THIS_MODULE)) {
+ CERROR("%s: cannot get module '%s'\n", obd->obd_name,
+ module_name(THIS_MODULE));
+ return -EINVAL;
+ }
switch (cmd) {
- case OBD_IOC_LOV_GET_CONFIG: {
- char *buf;
- struct lov_desc *desc;
- struct obd_uuid uuid;
-
- buf = NULL;
- len = 0;
- if (obd_ioctl_getdata(&buf, &len, (void *)uarg))
- GOTO(out, err = -EINVAL);
-
- data = (struct obd_ioctl_data *)buf;
-
- if (sizeof(*desc) > data->ioc_inllen1) {
- obd_ioctl_freedata(buf, len);
- GOTO(out, err = -EINVAL);
- }
-
- if (data->ioc_inllen2 < sizeof(uuid)) {
- obd_ioctl_freedata(buf, len);
- GOTO(out, err = -EINVAL);
- }
-
- desc = (struct lov_desc *)data->ioc_inlbuf1;
- desc->ld_tgt_count = 1;
- desc->ld_active_tgt_count = 1;
- desc->ld_default_stripe_count = 1;
- desc->ld_default_stripe_size = 0;
- desc->ld_default_stripe_offset = 0;
- desc->ld_pattern = 0;
- memcpy(&desc->ld_uuid, &obd->obd_uuid, sizeof(uuid));
-
- memcpy(data->ioc_inlbuf2, &obd->obd_uuid, sizeof(uuid));
-
- err = cfs_copy_to_user((void *)uarg, buf, len);
- if (err)
- err = -EFAULT;
- obd_ioctl_freedata(buf, len);
- GOTO(out, err);
- }
- case LL_IOC_LOV_SETSTRIPE:
- err = obd_alloc_memmd(exp, karg);
- if (err > 0)
- err = 0;
- GOTO(out, err);
- case LL_IOC_LOV_GETSTRIPE:
- err = osc_getstripe(karg, uarg);
- GOTO(out, err);
case OBD_IOC_CLIENT_RECOVER:
err = ptlrpc_recover_import(obd->u.cli.cl_import,
data->ioc_inlbuf1, 0);
case OBD_IOC_PING_TARGET:
err = ptlrpc_obd_ping(obd);
GOTO(out, err);
- default:
- CDEBUG(D_INODE, "unrecognised ioctl %#x by %s\n",
- cmd, cfs_curproc_comm());
- GOTO(out, err = -ENOTTY);
- }
+ default:
+ CDEBUG(D_INODE, "unrecognised ioctl %#x by %s\n",
+ cmd, current_comm());
+ GOTO(out, err = -ENOTTY);
+ }
out:
- cfs_module_put(THIS_MODULE);
- return err;
+ module_put(THIS_MODULE);
+ return err;
}
static int osc_get_info(const struct lu_env *env, struct obd_export *exp,
ptlrpc_req_finished(req);
RETURN(rc);
} else if (KEY_IS(KEY_FIEMAP)) {
- struct ptlrpc_request *req;
- struct ll_user_fiemap *reply;
- char *tmp;
- int rc;
+ 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)
- RETURN(-ENOMEM);
+ GOTO(drop_lock, rc = -ENOMEM);
req_capsule_set_size(&req->rq_pill, &RMF_FIEMAP_KEY,
RCL_CLIENT, keylen);
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_GET_INFO);
if (rc) {
ptlrpc_request_free(req);
- RETURN(rc);
+ GOTO(drop_lock, rc);
}
tmp = req_capsule_client_get(&req->rq_pill, &RMF_FIEMAP_KEY);
ptlrpc_request_set_replen(req);
rc = ptlrpc_queue_wait(req);
if (rc)
- GOTO(out1, rc);
+ GOTO(fini_req, rc);
reply = req_capsule_server_get(&req->rq_pill, &RMF_FIEMAP_VAL);
if (reply == NULL)
- GOTO(out1, rc = -EPROTO);
+ GOTO(fini_req, rc = -EPROTO);
memcpy(val, reply, *vallen);
- out1:
+fini_req:
ptlrpc_req_finished(req);
-
+drop_lock:
+ if (mode)
+ ldlm_lock_decref(&lockh, LCK_PR);
RETURN(rc);
}
RETURN(-EINVAL);
}
-static int osc_setinfo_mds_connect_import(struct obd_import *imp)
-{
- struct llog_ctxt *ctxt;
- int rc = 0;
- ENTRY;
-
- ctxt = llog_get_context(imp->imp_obd, LLOG_MDS_OST_ORIG_CTXT);
- if (ctxt) {
- rc = llog_initiator_connect(ctxt);
- llog_ctxt_put(ctxt);
- } else {
- /* XXX return an error? skip setting below flags? */
- }
-
- cfs_spin_lock(&imp->imp_lock);
- imp->imp_server_timeout = 1;
- imp->imp_pingable = 1;
- cfs_spin_unlock(&imp->imp_lock);
- CDEBUG(D_RPCTRACE, "pinging OST %s\n", obd2cli_tgt(imp->imp_obd));
-
- RETURN(rc);
-}
-
-static int osc_setinfo_mds_conn_interpret(const struct lu_env *env,
- struct ptlrpc_request *req,
- void *aa, int rc)
-{
- ENTRY;
- if (rc != 0)
- RETURN(rc);
-
- RETURN(osc_setinfo_mds_connect_import(req->rq_import));
-}
-
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)
OBD_FAIL_TIMEOUT(OBD_FAIL_OSC_SHUTDOWN, 10);
- if (KEY_IS(KEY_NEXT_ID)) {
- obd_id new_val;
- struct osc_creator *oscc = &obd->u.cli.cl_oscc;
-
- if (vallen != sizeof(obd_id))
- RETURN(-ERANGE);
- if (val == NULL)
- RETURN(-EINVAL);
-
- if (vallen != sizeof(obd_id))
- RETURN(-EINVAL);
-
- /* avoid race between allocate new object and set next id
- * from ll_sync thread */
- cfs_spin_lock(&oscc->oscc_lock);
- new_val = *((obd_id*)val) + 1;
- if (new_val > oscc->oscc_next_id)
- oscc->oscc_next_id = new_val;
- cfs_spin_unlock(&oscc->oscc_lock);
- CDEBUG(D_HA, "%s: set oscc_next_id = "LPU64"\n",
- exp->exp_obd->obd_name,
- obd->u.cli.cl_oscc.oscc_next_id);
-
- RETURN(0);
- }
-
if (KEY_IS(KEY_CHECKSUM)) {
if (vallen != sizeof(int))
RETURN(-EINVAL);
RETURN(0);
}
+ if (KEY_IS(KEY_CACHE_SET)) {
+ struct client_obd *cli = &obd->u.cli;
+
+ LASSERT(cli->cl_cache == NULL); /* only once */
+ cli->cl_cache = (struct cl_client_cache *)val;
+ atomic_inc(&cli->cl_cache->ccc_users);
+ cli->cl_lru_left = &cli->cl_cache->ccc_lru_left;
+
+ /* add this osc into entity list */
+ LASSERT(list_empty(&cli->cl_lru_osc));
+ spin_lock(&cli->cl_cache->ccc_lru_lock);
+ list_add(&cli->cl_lru_osc, &cli->cl_cache->ccc_lru);
+ spin_unlock(&cli->cl_cache->ccc_lru_lock);
+
+ RETURN(0);
+ }
+
+ 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;
+
+ nr = osc_lru_shrink(env, cli, min(nr, target), true);
+ *(int *)val -= nr;
+ RETURN(0);
+ }
+
if (!set && !KEY_IS(KEY_GRANT_SHRINK))
RETURN(-EINVAL);
Even if something bad goes through, we'd get a -EINVAL from OST
anyway. */
- if (KEY_IS(KEY_GRANT_SHRINK))
- req = ptlrpc_request_alloc(imp, &RQF_OST_SET_GRANT_INFO);
- else
- req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
-
- if (req == NULL)
- RETURN(-ENOMEM);
-
- req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
- RCL_CLIENT, keylen);
- req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
- RCL_CLIENT, vallen);
- rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_SET_INFO);
- if (rc) {
- ptlrpc_request_free(req);
- RETURN(rc);
- }
+ req = ptlrpc_request_alloc(imp, KEY_IS(KEY_GRANT_SHRINK) ?
+ &RQF_OST_SET_GRANT_INFO :
+ &RQF_OBD_SET_INFO);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
+ RCL_CLIENT, keylen);
+ if (!KEY_IS(KEY_GRANT_SHRINK))
+ req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
+ RCL_CLIENT, vallen);
+ rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_SET_INFO);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
- tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
- memcpy(tmp, key, keylen);
- tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
+ tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
+ memcpy(tmp, key, keylen);
+ tmp = req_capsule_client_get(&req->rq_pill, KEY_IS(KEY_GRANT_SHRINK) ?
+ &RMF_OST_BODY :
+ &RMF_SETINFO_VAL);
memcpy(tmp, val, vallen);
- if (KEY_IS(KEY_MDS_CONN)) {
- struct osc_creator *oscc = &obd->u.cli.cl_oscc;
-
- oscc->oscc_oa.o_seq = (*(__u32 *)val);
- oscc->oscc_oa.o_valid |= OBD_MD_FLGROUP;
- LASSERT_SEQ_IS_MDT(oscc->oscc_oa.o_seq);
- req->rq_no_delay = req->rq_no_resend = 1;
- req->rq_interpret_reply = osc_setinfo_mds_conn_interpret;
- } else if (KEY_IS(KEY_GRANT_SHRINK)) {
+ if (KEY_IS(KEY_GRANT_SHRINK)) {
struct osc_grant_args *aa;
struct obdo *oa;
RETURN(0);
}
-
-static struct llog_operations osc_size_repl_logops = {
- lop_cancel: llog_obd_repl_cancel
-};
-
-static struct llog_operations osc_mds_ost_orig_logops;
-
-static int __osc_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
- struct obd_device *tgt, struct llog_catid *catid)
-{
- int rc;
- ENTRY;
-
- rc = llog_setup(obd, &obd->obd_olg, LLOG_MDS_OST_ORIG_CTXT, tgt, 1,
- &catid->lci_logid, &osc_mds_ost_orig_logops);
- if (rc) {
- CERROR("failed LLOG_MDS_OST_ORIG_CTXT\n");
- GOTO(out, rc);
- }
-
- rc = llog_setup(obd, &obd->obd_olg, LLOG_SIZE_REPL_CTXT, tgt, 1,
- NULL, &osc_size_repl_logops);
- if (rc) {
- struct llog_ctxt *ctxt =
- llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
- if (ctxt)
- llog_cleanup(ctxt);
- CERROR("failed LLOG_SIZE_REPL_CTXT\n");
- }
- GOTO(out, rc);
-out:
- if (rc) {
- CERROR("osc '%s' tgt '%s' catid %p rc=%d\n",
- obd->obd_name, tgt->obd_name, catid, rc);
- CERROR("logid "LPX64":0x%x\n",
- catid->lci_logid.lgl_oid, catid->lci_logid.lgl_ogen);
- }
- return rc;
-}
-
-static int osc_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
- struct obd_device *disk_obd, int *index)
-{
- struct llog_catid catid;
- static char name[32] = CATLIST;
- int rc;
- ENTRY;
-
- LASSERT(olg == &obd->obd_olg);
-
- cfs_mutex_lock(&olg->olg_cat_processing);
- rc = llog_get_cat_list(disk_obd, name, *index, 1, &catid);
- if (rc) {
- CERROR("rc: %d\n", rc);
- GOTO(out, rc);
- }
-
- CDEBUG(D_INFO, "%s: Init llog for %d - catid "LPX64"/"LPX64":%x\n",
- obd->obd_name, *index, catid.lci_logid.lgl_oid,
- catid.lci_logid.lgl_oseq, catid.lci_logid.lgl_ogen);
-
- rc = __osc_llog_init(obd, olg, disk_obd, &catid);
- if (rc) {
- CERROR("rc: %d\n", rc);
- GOTO(out, rc);
- }
-
- rc = llog_put_cat_list(disk_obd, name, *index, 1, &catid);
- if (rc) {
- CERROR("rc: %d\n", rc);
- GOTO(out, rc);
- }
-
- out:
- cfs_mutex_unlock(&olg->olg_cat_processing);
-
- return rc;
-}
-
-static int osc_llog_finish(struct obd_device *obd, int count)
-{
- struct llog_ctxt *ctxt;
- int rc = 0, rc2 = 0;
- ENTRY;
-
- ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
- if (ctxt)
- rc = llog_cleanup(ctxt);
-
- ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
- if (ctxt)
- rc2 = llog_cleanup(ctxt);
- if (!rc)
- rc = rc2;
-
- RETURN(rc);
-}
-
static int osc_reconnect(const struct lu_env *env,
struct obd_export *exp, struct obd_device *obd,
struct obd_uuid *cluuid,
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->cl_max_pages_per_rpc << CFS_PAGE_SHIFT;
+ client_obd_list_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;
client_obd_list_unlock(&cli->cl_loi_list_lock);
switch (event) {
case IMP_EVENT_DISCON: {
- /* Only do this on the MDS OSC's */
- if (imp->imp_server_timeout) {
- struct osc_creator *oscc = &obd->u.cli.cl_oscc;
-
- cfs_spin_lock(&oscc->oscc_lock);
- oscc->oscc_flags |= OSCC_FLAG_RECOVERING;
- cfs_spin_unlock(&oscc->oscc_lock);
- }
cli = &obd->u.cli;
client_obd_list_lock(&cli->cl_loi_list_lock);
cli->cl_avail_grant = 0;
break;
}
case IMP_EVENT_ACTIVE: {
- /* Only do this on the MDS OSC's */
- if (imp->imp_server_timeout) {
- struct osc_creator *oscc = &obd->u.cli.cl_oscc;
-
- cfs_spin_lock(&oscc->oscc_lock);
- oscc->oscc_flags &= ~(OSCC_FLAG_NOSPC |
- OSCC_FLAG_NOSPC_BLK);
- cfs_spin_unlock(&oscc->oscc_lock);
- }
rc = obd_notify_observer(obd, obd, OBD_NOTIFY_ACTIVE, NULL);
break;
}
* \retval zero the lock can't be canceled
* \retval other ok to cancel
*/
-static int osc_cancel_for_recovery(struct ldlm_lock *lock)
+static int osc_cancel_weight(struct ldlm_lock *lock)
{
- check_res_locked(lock->l_resource);
-
- /*
- * Cancel all unused extent lock in granted mode LCK_PR or LCK_CR.
- *
- * XXX as a future improvement, we can also cancel unused write lock
- * if it doesn't have dirty data and active mmaps.
- */
- if (lock->l_resource->lr_type == LDLM_EXTENT &&
- (lock->l_granted_mode == LCK_PR ||
- lock->l_granted_mode == LCK_CR) &&
- (osc_dlm_lock_pageref(lock) == 0))
- RETURN(1);
+ /*
+ * Cancel all unused and granted extent lock.
+ */
+ if (lock->l_resource->lr_type == LDLM_EXTENT &&
+ lock->l_granted_mode == lock->l_req_mode &&
+ osc_ldlm_weigh_ast(lock) == 0)
+ RETURN(1);
- RETURN(0);
+ RETURN(0);
}
static int brw_queue_work(const struct lu_env *env, void *data)
int osc_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
{
- struct lprocfs_static_vars lvars = { 0 };
- struct client_obd *cli = &obd->u.cli;
- void *handler;
- int rc;
+ struct client_obd *cli = &obd->u.cli;
+ struct obd_type *type;
+ void *handler;
+ int rc;
ENTRY;
rc = ptlrpcd_addref();
handler = ptlrpcd_alloc_work(cli->cl_import, brw_queue_work, cli);
if (IS_ERR(handler))
- GOTO(out_client_setup, PTR_ERR(handler));
+ GOTO(out_client_setup, rc = PTR_ERR(handler));
cli->cl_writeback_work = handler;
+ handler = ptlrpcd_alloc_work(cli->cl_import, lru_queue_work, cli);
+ if (IS_ERR(handler))
+ GOTO(out_ptlrpcd_work, rc = PTR_ERR(handler));
+ cli->cl_lru_work = handler;
+
rc = osc_quota_setup(obd);
if (rc)
GOTO(out_ptlrpcd_work, rc);
cli->cl_grant_shrink_interval = GRANT_SHRINK_INTERVAL;
- lprocfs_osc_init_vars(&lvars);
- if (lprocfs_obd_setup(obd, lvars.obd_vars) == 0) {
+
+#ifdef LPROCFS
+ obd->obd_vars = lprocfs_osc_obd_vars;
+#endif
+ /* If this is true then both client (osc) and server (osp) are on the
+ * same node. The osp layer if loaded first will register the osc proc
+ * directory. In that case this obd_device will be attached its proc
+ * 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);
+ 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_name);
+ obd->obd_proc_entry = NULL;
+ }
+ } else {
+ rc = lprocfs_seq_obd_setup(obd);
+ }
+
+ /* If the basic OSC proc tree construction succeeded then
+ * lets do the rest. */
+ if (rc == 0) {
lproc_osc_attach_seqstat(obd);
sptlrpc_lprocfs_cliobd_attach(obd);
ptlrpc_lprocfs_register_obd(obd);
}
- oscc_init(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
OST_MAXREQSIZE,
ptlrpc_add_rqs_to_pool);
- CFS_INIT_LIST_HEAD(&cli->cl_grant_shrink_list);
- ns_register_cancel(obd->obd_namespace, osc_cancel_for_recovery);
- RETURN(rc);
+ INIT_LIST_HEAD(&cli->cl_grant_shrink_list);
+ ns_register_cancel(obd->obd_namespace, osc_cancel_weight);
+ RETURN(0);
out_ptlrpcd_work:
- ptlrpcd_destroy_work(handler);
+ if (cli->cl_writeback_work != NULL) {
+ ptlrpcd_destroy_work(cli->cl_writeback_work);
+ cli->cl_writeback_work = NULL;
+ }
+ if (cli->cl_lru_work != NULL) {
+ ptlrpcd_destroy_work(cli->cl_lru_work);
+ cli->cl_lru_work = NULL;
+ }
out_client_setup:
client_obd_cleanup(obd);
out_ptlrpcd:
CDEBUG(D_HA, "Deactivating import %s\n", obd->obd_name);
/* ptlrpc_abort_inflight to stop an mds_lov_synchronize */
ptlrpc_deactivate_import(imp);
- cfs_spin_lock(&imp->imp_lock);
- imp->imp_pingable = 0;
- cfs_spin_unlock(&imp->imp_lock);
+ spin_lock(&imp->imp_lock);
+ imp->imp_pingable = 0;
+ spin_unlock(&imp->imp_lock);
break;
}
case OBD_CLEANUP_EXPORTS: {
ptlrpcd_destroy_work(cli->cl_writeback_work);
cli->cl_writeback_work = NULL;
}
+ if (cli->cl_lru_work) {
+ ptlrpcd_destroy_work(cli->cl_lru_work);
+ cli->cl_lru_work = NULL;
+ }
obd_cleanup_client_import(obd);
ptlrpc_lprocfs_unregister_obd(obd);
lprocfs_obd_cleanup(obd);
int osc_cleanup(struct obd_device *obd)
{
- int rc;
+ struct client_obd *cli = &obd->u.cli;
+ int rc;
- ENTRY;
+ ENTRY;
+
+ /* lru cleanup */
+ if (cli->cl_cache != NULL) {
+ LASSERT(atomic_read(&cli->cl_cache->ccc_users) > 0);
+ spin_lock(&cli->cl_cache->ccc_lru_lock);
+ 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);
+ cli->cl_cache = NULL;
+ }
/* free memory of osc quota cache */
osc_quota_cleanup(obd);
int osc_process_config_base(struct obd_device *obd, struct lustre_cfg *lcfg)
{
- struct lprocfs_static_vars lvars = { 0 };
- int rc = 0;
-
- lprocfs_osc_init_vars(&lvars);
-
- switch (lcfg->lcfg_command) {
- default:
- rc = class_process_proc_param(PARAM_OSC, lvars.obd_vars,
- lcfg, obd);
- if (rc > 0)
- rc = 0;
- break;
- }
-
- return(rc);
+ int rc = class_process_proc_seq_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)
.o_disconnect = osc_disconnect,
.o_statfs = osc_statfs,
.o_statfs_async = osc_statfs_async,
- .o_packmd = osc_packmd,
.o_unpackmd = osc_unpackmd,
- .o_precreate = osc_precreate,
.o_create = osc_create,
- .o_create_async = osc_create_async,
.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_brw = osc_brw,
- .o_punch = osc_punch,
- .o_sync = osc_sync,
- .o_enqueue = osc_enqueue,
.o_change_cbdata = osc_change_cbdata,
.o_find_cbdata = osc_find_cbdata,
- .o_cancel = osc_cancel,
- .o_cancel_unused = osc_cancel_unused,
.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_llog_init = osc_llog_init,
- .o_llog_finish = osc_llog_finish,
.o_process_config = osc_process_config,
.o_quotactl = osc_quotactl,
.o_quotacheck = osc_quotacheck,
- .o_quota_adjust_qunit = osc_quota_adjust_qunit,
};
extern struct lu_kmem_descr osc_caches[];
-extern cfs_spinlock_t osc_ast_guard;
-extern cfs_lock_class_key_t osc_ast_guard_class;
+extern spinlock_t osc_ast_guard;
+extern struct lock_class_key osc_ast_guard_class;
int __init osc_init(void)
{
- struct lprocfs_static_vars lvars = { 0 };
- int rc;
- ENTRY;
+ bool enable_proc = true;
+ struct obd_type *type;
+ int rc;
+ ENTRY;
/* print an address of _any_ initialized kernel symbol from this
* module, to allow debugging with gdb that doesn't support data
CDEBUG(D_INFO, "Lustre OSC module (%p).\n", &osc_caches);
rc = lu_kmem_init(osc_caches);
+ if (rc)
+ RETURN(rc);
- lprocfs_osc_init_vars(&lvars);
+ type = class_search_type(LUSTRE_OSP_NAME);
+ if (type != NULL && type->typ_procsym != NULL)
+ enable_proc = false;
- rc = class_register_type(&osc_obd_ops, NULL, lvars.module_vars,
- LUSTRE_OSC_NAME, &osc_device_type);
+ 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);
}
- cfs_spin_lock_init(&osc_ast_guard);
- cfs_lockdep_set_class(&osc_ast_guard, &osc_ast_guard_class);
+ spin_lock_init(&osc_ast_guard);
+ lockdep_set_class(&osc_ast_guard, &osc_ast_guard_class);
- osc_mds_ost_orig_logops = llog_lvfs_ops;
- osc_mds_ost_orig_logops.lop_setup = llog_obd_origin_setup;
- osc_mds_ost_orig_logops.lop_cleanup = llog_obd_origin_cleanup;
- osc_mds_ost_orig_logops.lop_add = llog_obd_origin_add;
- osc_mds_ost_orig_logops.lop_connect = llog_origin_connect;
-
- RETURN(rc);
+ RETURN(rc);
}
#ifdef __KERNEL__