* 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, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#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"
/* 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)
+ struct lov_stripe_md *lsm)
{
- int lmm_size;
- ENTRY;
+ int lmm_size;
+ ENTRY;
- lmm_size = sizeof(**lmmp);
- if (!lmmp)
- RETURN(lmm_size);
+ lmm_size = sizeof(**lmmp);
+ if (lmmp == NULL)
+ RETURN(lmm_size);
- if (*lmmp && !lsm) {
- OBD_FREE(*lmmp, lmm_size);
- *lmmp = NULL;
- RETURN(0);
- }
+ if (*lmmp != NULL && lsm == NULL) {
+ OBD_FREE(*lmmp, lmm_size);
+ *lmmp = NULL;
+ RETURN(0);
+ } else if (unlikely(lsm != NULL && ostid_id(&lsm->lsm_oi) == 0)) {
+ RETURN(-EBADF);
+ }
- if (!*lmmp) {
- OBD_ALLOC(*lmmp, lmm_size);
- if (!*lmmp)
- RETURN(-ENOMEM);
- }
+ if (*lmmp == NULL) {
+ OBD_ALLOC(*lmmp, lmm_size);
+ if (*lmmp == NULL)
+ RETURN(-ENOMEM);
+ }
- 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);
- }
+ if (lsm)
+ ostid_cpu_to_le(&lsm->lsm_oi, &(*lmmp)->lmm_oi);
- RETURN(lmm_size);
+ RETURN(lmm_size);
}
/* 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,
CDEBUG(D_INODE, "mode: %o\n", body->oa.o_mode);
lustre_get_wire_obdo(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;
CDEBUG(D_INODE, "mode: %o\n", body->oa.o_mode);
lustre_get_wire_obdo(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:
lustre_get_wire_obdo(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);
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 (res == NULL)
+ RETURN(0);
LDLM_RESOURCE_ADDREF(res);
count = ldlm_cancel_resource_local(res, cancels, NULL, mode,
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.
osc_pack_capa(req, body, (struct obd_capa *)capa);
ptlrpc_request_set_replen(req);
- /* don't throttle destroy RPCs for the MDT */
- if (!(cli->cl_import->imp_connect_flags_orig & OBD_CONNECT_MDS)) {
+ /* 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,
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);
+ if (unlikely(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 (unlikely(cfs_atomic_read(&obd_unstable_pages) +
+ cfs_atomic_read(&obd_dirty_pages) -
+ cfs_atomic_read(&obd_dirty_transit_pages) >
+ (long)(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("%s: dirty %d + %d - %d > system dirty_max %d\n",
+ cli->cl_import->imp_obd->obd_name,
+ cfs_atomic_read(&obd_unstable_pages),
+ cfs_atomic_read(&obd_dirty_pages),
+ cfs_atomic_read(&obd_dirty_transit_pages),
+ obd_max_dirty_pages);
+ oa->o_undirty = 0;
+ } else if (unlikely(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_grant = cli->cl_avail_grant;
+ 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);
* 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 << CFS_PAGE_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 << CFS_PAGE_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 << CFS_PAGE_SHIFT)
+ target_bytes = cli->cl_max_pages_per_rpc << CFS_PAGE_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 << CFS_PAGE_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;
}
cli->cl_avail_grant = ocd->ocd_grant - cli->cl_dirty;
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);
+ /* workaround for servers which do not have the patch from
+ * LU-2679 */
+ cli->cl_avail_grant = ocd->ocd_grant;
}
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ /* determine the appropriate chunk size used by osc_extent. */
+ cli->cl_chunkbits = max_t(int, CFS_PAGE_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 \n",
- cli->cl_import->imp_obd->obd_name,
- cli->cl_avail_grant, cli->cl_lost_grant);
+ 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);
- if (ocd->ocd_connect_flags & OBD_CONNECT_GRANT_SHRINK &&
- cfs_list_empty(&cli->cl_grant_shrink_list))
- osc_add_shrink_grant(cli);
+ if (ocd->ocd_connect_flags & OBD_CONNECT_GRANT_SHRINK &&
+ cfs_list_empty(&cli->cl_grant_shrink_list))
+ osc_add_shrink_grant(cli);
}
/* We assume that the reason this OSC got a short read is because it read
}
static obd_count osc_checksum_bulk(int nob, obd_count pg_count,
- struct brw_page **pga, int opc,
- cksum_type_t cksum_type)
-{
- __u32 cksum;
- int i = 0;
+ struct brw_page **pga, int opc,
+ cksum_type_t cksum_type)
+{
+ __u32 cksum;
+ int i = 0;
+ struct cfs_crypto_hash_desc *hdesc;
+ unsigned int bufsize;
+ int err;
+ unsigned char cfs_alg = cksum_obd2cfs(cksum_type);
+
+ LASSERT(pg_count > 0);
+
+ hdesc = cfs_crypto_hash_init(cfs_alg, NULL, 0);
+ if (IS_ERR(hdesc)) {
+ CERROR("Unable to initialize checksum hash %s\n",
+ cfs_crypto_hash_name(cfs_alg));
+ return PTR_ERR(hdesc);
+ }
- LASSERT (pg_count > 0);
- cksum = init_checksum(cksum_type);
- while (nob > 0 && pg_count > 0) {
- unsigned char *ptr = cfs_kmap(pga[i]->pg);
- int off = pga[i]->off & ~CFS_PAGE_MASK;
- 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))
- memcpy(ptr + off, "bad1", min(4, nob));
- cksum = compute_checksum(cksum, ptr + off, count, cksum_type);
- cfs_kunmap(pga[i]->pg);
- LL_CDEBUG_PAGE(D_PAGE, pga[i]->pg, "off %d checksum %x\n",
- off, cksum);
+ while (nob > 0 && pg_count > 0) {
+ 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 = cfs_kmap(pga[i]->pg);
+ int off = pga[i]->off & ~CFS_PAGE_MASK;
+ memcpy(ptr + off, "bad1", min(4, nob));
+ cfs_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\n",
+ (int)(pga[i]->off & ~CFS_PAGE_MASK));
+
+ nob -= pga[i]->count;
+ pg_count--;
+ i++;
+ }
- nob -= pga[i]->count;
- pg_count--;
- i++;
- }
- /* 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))
- cksum++;
+ bufsize = 4;
+ err = cfs_crypto_hash_final(hdesc, (unsigned char *)&cksum, &bufsize);
+
+ if (err)
+ cfs_crypto_hash_final(hdesc, NULL, NULL);
- return fini_checksum(cksum, cksum_type);
+ /* 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))
+ cksum++;
+
+ return cksum;
}
static int osc_brw_prep_request(int cmd, struct client_obd *cli,struct obdo *oa,
}
req->rq_request_portal = OST_IO_PORTAL; /* bug 7198 */
ptlrpc_at_set_req_timeout(req);
+ /* ask ptlrpc not to resend on EINPROGRESS since BRWs have their own
+ * 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);
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];
+ 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((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)) {
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 == ~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 "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;
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);
+ ""DOSTID", rc = %d.\n", exp->exp_obd->obd_name,
+ POSTID(&oa->o_oi), rc);
goto out;
}
+ if (generation !=
+ exp->exp_obd->u.cli.cl_import->imp_generation) {
+ CDEBUG(D_HA, "%s: resend cross eviction for object: "
+ ""DOSTID", rc = %d.\n", exp->exp_obd->obd_name,
+ POSTID(&oa->o_oi), rc);
+ goto out;
+ }
lwi = LWI_TIMEOUT_INTR(cfs_time_seconds(resends), NULL, NULL,
NULL);
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 ptlrpc_request_set *set = request->rq_set;
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);
- client_obd_list_lock(&aa->aa_cli->cl_loi_list_lock);
-
cfs_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",
request, oap->oap_request);
if (oap->oap_interrupted) {
- client_obd_list_unlock(&aa->aa_cli->cl_loi_list_lock);
ptlrpc_req_finished(new_req);
RETURN(-EINTR);
}
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(&aa->aa_oaps, &new_aa->aa_oaps);
- CFS_INIT_LIST_HEAD(&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);
+ new_aa->aa_resends = aa->aa_resends;
cfs_list_for_each_entry(oap, &new_aa->aa_oaps, oap_rpc_item) {
if (oap->oap_request) {
new_aa->aa_ocapa = aa->aa_ocapa;
aa->aa_ocapa = NULL;
- /* use ptlrpc_set_add_req is safe because interpret functions work
- * in check_set context. only one way exist with access to request
- * from different thread got -EINTR - this way protected with
- * cl_loi_list_lock */
- ptlrpc_set_add_req(set, new_req);
-
- client_obd_list_unlock(&aa->aa_cli->cl_loi_list_lock);
+ /* 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);
- DEBUG_REQ(D_INFO, new_req, "new request");
- RETURN(0);
+ DEBUG_REQ(D_INFO, new_req, "new request");
+ RETURN(0);
}
/*
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_async_page *oap, *tmp;
- struct client_obd *cli;
+ 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;
rc = osc_brw_fini_request(req, rc);
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;
}
- cli = aa->aa_cli;
- client_obd_list_lock(&cli->cl_loi_list_lock);
+ 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);
+ }
- /* 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 */
- if (lustre_msg_get_opc(req->rq_reqmsg) == OST_WRITE)
- cli->cl_w_in_flight--;
- else
- cli->cl_r_in_flight--;
-
- /* the caller may re-use the oap after the completion call so
- * we need to clean it up a little */
- cfs_list_for_each_entry_safe(oap, tmp, &aa->aa_oaps,
- oap_rpc_item) {
- cfs_list_del_init(&oap->oap_rpc_item);
- osc_ap_completion(env, cli, aa->aa_oa, oap, 1, rc);
+ 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) {
+ struct obdo *oa = aa->aa_oa;
+ struct cl_attr *attr = &osc_env_info(env)->oti_attr;
+ unsigned long valid = 0;
+
+ LASSERT(rc == 0);
+ if (oa->o_valid & OBD_MD_FLBLOCKS) {
+ attr->cat_blocks = oa->o_blocks;
+ valid |= CAT_BLOCKS;
+ }
+ if (oa->o_valid & OBD_MD_FLMTIME) {
+ attr->cat_mtime = oa->o_mtime;
+ valid |= CAT_MTIME;
+ }
+ if (oa->o_valid & OBD_MD_FLATIME) {
+ attr->cat_atime = oa->o_atime;
+ valid |= CAT_ATIME;
+ }
+ if (oa->o_valid & OBD_MD_FLCTIME) {
+ 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);
+ }
+ cl_object_put(env, obj);
}
OBDO_FREE(aa->aa_oa);
- osc_wake_cache_waiters(cli);
- osc_io_unplug(env, cli, NULL, PDL_POLICY_SAME);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
-
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);
ptlrpc_lprocfs_brw(req, req->rq_bulk->bd_nob_transferred);
+ client_obd_list_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 */
+ if (lustre_msg_get_opc(req->rq_reqmsg) == OST_WRITE)
+ cli->cl_w_in_flight--;
+ else
+ cli->cl_r_in_flight--;
+ osc_wake_cache_waiters(cli);
+ client_obd_list_unlock(&cli->cl_loi_list_lock);
+
+ osc_io_unplug(env, cli, NULL, PDL_POLICY_SAME);
RETURN(rc);
}
-/* The most tricky part of this function is that it will return with
- * cli->cli_loi_list_lock held.
+static void brw_commit(struct ptlrpc_request *req)
+{
+ spin_lock(&req->rq_lock);
+ /* 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. */
+ if (req->rq_unstable)
+ 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 *rpc_list, int page_count, int cmd,
- pdl_policy_t pol)
+ 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;
enum cl_req_type crt = (cmd & OBD_BRW_WRITE) ? CRT_WRITE : CRT_READ;
struct ldlm_lock *lock = NULL;
struct cl_req_attr crattr;
- int i, rc, mpflag = 0;
+ obd_off starting_offset = OBD_OBJECT_EOF;
+ obd_off ending_offset = 0;
+ int i, rc, mpflag = 0, mem_tight = 0, page_count = 0;
- ENTRY;
- LASSERT(!cfs_list_empty(rpc_list));
+ ENTRY;
+ LASSERT(!cfs_list_empty(ext_list));
+
+ /* add pages into rpc_list to build BRW rpc */
+ cfs_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) {
+ ++page_count;
+ cfs_list_add_tail(&oap->oap_rpc_item, &rpc_list);
+ if (starting_offset > oap->oap_obj_off)
+ starting_offset = oap->oap_obj_off;
+ else
+ LASSERT(oap->oap_page_off == 0);
+ if (ending_offset < oap->oap_obj_off + oap->oap_count)
+ ending_offset = oap->oap_obj_off +
+ oap->oap_count;
+ else
+ LASSERT(oap->oap_page_off + oap->oap_count ==
+ CFS_PAGE_SIZE);
+ }
+ }
- if (cmd & OBD_BRW_MEMALLOC)
- mpflag = cfs_memory_pressure_get_and_set();
+ if (mem_tight)
+ mpflag = cfs_memory_pressure_get_and_set();
- memset(&crattr, 0, sizeof crattr);
- OBD_ALLOC(pga, sizeof(*pga) * page_count);
- if (pga == NULL)
+ memset(&crattr, 0, sizeof crattr);
+ OBD_ALLOC(pga, sizeof(*pga) * page_count);
+ if (pga == NULL)
GOTO(out, rc = -ENOMEM);
OBDO_ALLOC(oa);
GOTO(out, rc = -ENOMEM);
i = 0;
- cfs_list_for_each_entry(oap, rpc_list, oap_rpc_item) {
- struct cl_page *page = osc_oap2cl_page(oap);
+ cfs_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 */);
if (IS_ERR(clerq))
GOTO(out, rc = PTR_ERR(clerq));
- lock = oap->oap_ldlm_lock;
- }
+ 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",
/* always get the data for the obdo for the rpc */
LASSERT(clerq != NULL);
- crattr.cra_oa = oa;
- crattr.cra_capa = 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) {
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);
- if (rc != 0) {
- CERROR("prep_req failed: %d\n", 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);
+ 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 (cmd & OBD_BRW_MEMALLOC)
+
+ if (mem_tight != 0)
req->rq_memalloc = 1;
/* Need to update the timestamps after the request is built in case
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(rpc_list, &aa->aa_oaps);
- CFS_INIT_LIST_HEAD(rpc_list);
- aa->aa_clerq = clerq;
+ 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);
+ 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) {
+ /* only one oap gets a request reference */
+ if (tmp == NULL)
+ tmp = oap;
+ if (oap->oap_interrupted && !req->rq_intr) {
+ CDEBUG(D_INODE, "oap %p in req %p interrupted\n",
+ oap, req);
+ ptlrpc_mark_interrupted(req);
+ }
+ }
+ if (tmp != NULL)
+ tmp->oap_request = ptlrpc_request_addref(req);
+
+ client_obd_list_lock(&cli->cl_loi_list_lock);
+ starting_offset >>= CFS_PAGE_SHIFT;
+ if (cmd == OBD_BRW_READ) {
+ cli->cl_r_in_flight++;
+ lprocfs_oh_tally_log2(&cli->cl_read_page_hist, page_count);
+ lprocfs_oh_tally(&cli->cl_read_rpc_hist, cli->cl_r_in_flight);
+ lprocfs_oh_tally_log2(&cli->cl_read_offset_hist,
+ starting_offset + 1);
+ } else {
+ cli->cl_w_in_flight++;
+ lprocfs_oh_tally_log2(&cli->cl_write_page_hist, page_count);
+ lprocfs_oh_tally(&cli->cl_write_rpc_hist, cli->cl_w_in_flight);
+ lprocfs_oh_tally_log2(&cli->cl_write_offset_hist,
+ starting_offset + 1);
+ }
+ client_obd_list_unlock(&cli->cl_loi_list_lock);
+
+ DEBUG_REQ(D_INODE, req, "%d pages, aa %p. now %dr/%dw 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);
+ rc = 0;
+ EXIT;
+
out:
- if (cmd & OBD_BRW_MEMALLOC)
- cfs_memory_pressure_restore(mpflag);
+ if (mem_tight != 0)
+ cfs_memory_pressure_restore(mpflag);
- capa_put(crattr.cra_capa);
+ capa_put(crattr.cra_capa);
if (rc != 0) {
LASSERT(req == NULL);
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 */
- client_obd_list_lock(&cli->cl_loi_list_lock);
- cfs_list_for_each_entry_safe(oap, tmp, rpc_list, oap_rpc_item) {
- cfs_list_del_init(&oap->oap_rpc_item);
-
- /* queued sync pages can be torn down while the pages
- * were between the pending list and the rpc */
- if (oap->oap_interrupted) {
- CDEBUG(D_INODE, "oap %p interrupted\n", oap);
- osc_ap_completion(env, cli, NULL, oap, 0,
- oap->oap_count);
- continue;
- }
- osc_ap_completion(env, cli, NULL, oap, 0, rc);
+ 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);
+ osc_extent_finish(env, ext, 0, rc);
}
if (clerq && !IS_ERR(clerq))
cl_req_completion(env, clerq, rc);
- } else {
- struct osc_async_page *tmp = NULL;
-
- /* queued sync pages can be torn down while the pages
- * were between the pending list and the rpc */
- LASSERT(aa != NULL);
- client_obd_list_lock(&cli->cl_loi_list_lock);
- cfs_list_for_each_entry(oap, &aa->aa_oaps, oap_rpc_item) {
- /* only one oap gets a request reference */
- if (tmp == NULL)
- tmp = oap;
- if (oap->oap_interrupted && !req->rq_intr) {
- CDEBUG(D_INODE, "oap %p in req %p interrupted\n",
- oap, req);
- ptlrpc_mark_interrupted(req);
- }
- }
- if (tmp != NULL)
- tmp->oap_request = ptlrpc_request_addref(req);
-
- DEBUG_REQ(D_INODE,req, "%d pages, aa %p. now %dr/%dw 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);
}
RETURN(rc);
}
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;
__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. */
* 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,
+ __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,
* are explained in lov_enqueue() */
}
- /* We already have a lock, and it's referenced */
+ /* 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)
*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;
int rc;
ENTRY;
- osc_build_res_name(oinfo->oi_md->lsm_object_id,
- oinfo->oi_md->lsm_object_seq, &res_id);
-
+ ostid_build_res_name(&oinfo->oi_md->lsm_oi, &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,
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);
- }
+ if (lsm != NULL) {
+ ostid_build_res_name(&lsm->lsm_oi, &res_id);
+ resp = &res_id;
+ }
return ldlm_cli_cancel_unused(obd->obd_namespace, resp, flags, opaque);
}
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);
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;
- }
+ 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_ost_oi = lsm->lsm_oi;
+ } 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_oi = lsm->lsm_oi;
lumk->lmm_stripe_count = 1;
if (cfs_copy_to_user(lump, lumk, lum_size))
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;
+ cfs_atomic_inc(&cli->cl_cache->ccc_users);
+ cli->cl_lru_left = &cli->cl_cache->ccc_lru_left;
+
+ /* add this osc into entity list */
+ LASSERT(cfs_list_empty(&cli->cl_lru_osc));
+ spin_lock(&cli->cl_cache->ccc_lru_lock);
+ cfs_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 = cfs_atomic_read(&cli->cl_lru_in_list) >> 1;
+ int target = *(int *)val;
+
+ nr = osc_lru_shrink(cli, min(nr, target));
+ *(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;
}
-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;
+ /* this code is not supposed to be used with LOD/OSP
+ * to be removed soon */
+ LBUG();
+ return 0;
}
static int osc_llog_finish(struct obd_device *obd, int count)
{
- struct llog_ctxt *ctxt;
- int rc = 0, rc2 = 0;
- ENTRY;
+ struct llog_ctxt *ctxt;
- ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
- if (ctxt)
- rc = llog_cleanup(ctxt);
+ ENTRY;
- ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
- if (ctxt)
- rc2 = llog_cleanup(ctxt);
- if (!rc)
- rc = rc2;
+ ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
+ if (ctxt) {
+ llog_cat_close(NULL, ctxt->loc_handle);
+ llog_cleanup(NULL, ctxt);
+ }
- RETURN(rc);
+ ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
+ if (ctxt)
+ llog_cleanup(NULL, ctxt);
+ RETURN(0);
}
static int osc_reconnect(const struct lu_env *env,
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;
+ 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);
- CDEBUG(D_CACHE, "request ocd_grant: %d cl_avail_grant: %ld "
- "cl_dirty: %ld cl_lost_grant: %ld\n", data->ocd_grant,
- cli->cl_avail_grant, cli->cl_dirty, lost_grant);
CDEBUG(D_RPCTRACE, "ocd_connect_flags: "LPX64" ocd_version: %d"
- " ocd_grant: %d\n", data->ocd_connect_flags,
- data->ocd_version, data->ocd_grant);
- }
+ " ocd_grant: %d, lost: %ld.\n", data->ocd_connect_flags,
+ data->ocd_version, data->ocd_grant, lost_grant);
+ }
- RETURN(0);
+ RETURN(0);
}
static int osc_disconnect(struct obd_export *exp)
if (obd->u.cli.cl_conn_count == 1) {
/* Flush any remaining cancel messages out to the
* target */
- llog_sync(ctxt, exp);
+ llog_sync(ctxt, exp, 0);
}
llog_ctxt_put(ctxt);
} else {
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;
if (!IS_ERR(env)) {
/* Reset grants */
cli = &obd->u.cli;
- client_obd_list_lock(&cli->cl_loi_list_lock);
/* all pages go to failing rpcs due to the invalid
* import */
osc_io_unplug(env, cli, NULL, PDL_POLICY_ROUND);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
ldlm_namespace_cleanup(ns, LDLM_FL_LOCAL_ONLY);
cl_env_put(env, &refcheck);
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;
}
CDEBUG(D_CACHE, "Run writeback work for client obd %p.\n", cli);
- client_obd_list_lock(&cli->cl_loi_list_lock);
osc_io_unplug(env, cli, NULL, PDL_POLICY_SAME);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
RETURN(0);
}
int osc_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
{
- struct client_obd *cli = &obd->u.cli;
- int rc;
- ENTRY;
-
- ENTRY;
- rc = ptlrpcd_addref();
- if (rc)
- RETURN(rc);
-
- rc = client_obd_setup(obd, lcfg);
- if (rc == 0) {
- void *handler;
- handler = ptlrpcd_alloc_work(cli->cl_import,
- brw_queue_work, cli);
- if (!IS_ERR(handler))
- cli->cl_writeback_work = handler;
- else
- rc = PTR_ERR(handler);
- }
-
- if (rc == 0) {
- struct lprocfs_static_vars lvars = { 0 };
-
- cli->cl_grant_shrink_interval = GRANT_SHRINK_INTERVAL;
- lprocfs_osc_init_vars(&lvars);
- if (lprocfs_obd_setup(obd, lvars.obd_vars) == 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
- reserved, but I 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);
+ struct lprocfs_static_vars lvars = { 0 };
+ struct client_obd *cli = &obd->u.cli;
+ void *handler;
+ int rc;
+ ENTRY;
- CFS_INIT_LIST_HEAD(&cli->cl_grant_shrink_list);
+ rc = ptlrpcd_addref();
+ if (rc)
+ RETURN(rc);
+
+ rc = client_obd_setup(obd, lcfg);
+ if (rc)
+ GOTO(out_ptlrpcd, rc);
+
+ handler = ptlrpcd_alloc_work(cli->cl_import, brw_queue_work, cli);
+ if (IS_ERR(handler))
+ GOTO(out_client_setup, rc = PTR_ERR(handler));
+ cli->cl_writeback_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) {
+ lproc_osc_attach_seqstat(obd);
+ sptlrpc_lprocfs_cliobd_attach(obd);
+ ptlrpc_lprocfs_register_obd(obd);
+ }
- ns_register_cancel(obd->obd_namespace, osc_cancel_for_recovery);
- }
+ /* 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);
+
+ CFS_INIT_LIST_HEAD(&cli->cl_grant_shrink_list);
+ ns_register_cancel(obd->obd_namespace, osc_cancel_for_recovery);
+ RETURN(rc);
- if (rc)
- ptlrpcd_decref();
- RETURN(rc);
+out_ptlrpcd_work:
+ ptlrpcd_destroy_work(handler);
+out_client_setup:
+ client_obd_cleanup(obd);
+out_ptlrpcd:
+ ptlrpcd_decref();
+ RETURN(rc);
}
static int osc_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
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: {
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(cfs_atomic_read(&cli->cl_cache->ccc_users) > 0);
+ spin_lock(&cli->cl_cache->ccc_lru_lock);
+ cfs_list_del_init(&cli->cl_lru_osc);
+ spin_unlock(&cli->cl_cache->ccc_lru_lock);
+ cli->cl_lru_left = NULL;
+ cfs_atomic_dec(&cli->cl_cache->ccc_users);
+ cli->cl_cache = NULL;
+ }
/* free memory of osc quota cache */
osc_quota_cleanup(obd);
.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_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)
{
lprocfs_osc_init_vars(&lvars);
- osc_quota_init();
rc = class_register_type(&osc_obd_ops, NULL, lvars.module_vars,
LUSTRE_OSC_NAME, &osc_device_type);
if (rc) {
RETURN(rc);
}
- cfs_spin_lock_init(&osc_ast_guard);
- cfs_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;
+ spin_lock_init(&osc_ast_guard);
+ lockdep_set_class(&osc_ast_guard, &osc_ast_guard_class);
- RETURN(rc);
+ RETURN(rc);
}
#ifdef __KERNEL__
static void /*__exit*/ osc_exit(void)
{
- osc_quota_exit();
class_unregister_type(LUSTRE_OSC_NAME);
lu_kmem_fini(osc_caches);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff