stripes * sizeof(struct lov_ost_data_v1);
}
+static inline __u32
+lov_mds_md_max_stripe_count(size_t buf_size, __u32 lmm_magic)
+{
+ switch (lmm_magic) {
+ case LOV_MAGIC_V1: {
+ struct lov_mds_md_v1 lmm;
+
+ if (buf_size < sizeof(lmm))
+ return 0;
+
+ return (buf_size - sizeof(lmm)) / sizeof(lmm.lmm_objects[0]);
+ }
+ case LOV_MAGIC_V3: {
+ struct lov_mds_md_v3 lmm;
+
+ if (buf_size < sizeof(lmm))
+ return 0;
+
+ return (buf_size - sizeof(lmm)) / sizeof(lmm.lmm_objects[0]);
+ }
+ default:
+ return 0;
+ }
+}
#define OBD_MD_FLID (0x00000001ULL) /* object ID */
#define OBD_MD_FLATIME (0x00000002ULL) /* access time */
* protocol, this will limit the max number of OSTs per LOV */
#define LOV_DESC_MAGIC 0xB0CCDE5C
+#define LOV_DESC_QOS_MAXAGE_DEFAULT 5 /* Seconds */
+#define LOV_DESC_STRIPE_SIZE_DEFAULT (1 << LNET_MTU_BITS)
/* LOV settings descriptor (should only contain static info) */
struct lov_desc {
/* lib/debug.c */
void dump_lniobuf(struct niobuf_local *lnb);
int dump_req(struct ptlrpc_request *req);
-void dump_lsm(int level, struct lov_stripe_md *lsm);
int block_debug_setup(void *addr, int len, __u64 off, __u64 id);
int block_debug_check(char *who, void *addr, int len, __u64 off, __u64 id);
int __llog_ctxt_put(const struct lu_env *env, struct llog_ctxt *ctxt);
int llog_cleanup(const struct lu_env *env, struct llog_ctxt *);
int llog_sync(struct llog_ctxt *ctxt, struct obd_export *exp, int flags);
-int llog_obd_add(const struct lu_env *env, struct llog_ctxt *ctxt,
- struct llog_rec_hdr *rec, struct lov_stripe_md *lsm,
- struct llog_cookie *logcookies, int numcookies);
int llog_cancel(const struct lu_env *env, struct llog_ctxt *ctxt,
- struct lov_stripe_md *lsm, int count,
struct llog_cookie *cookies, int flags);
int obd_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
int flags);
int (*lop_cleanup)(const struct lu_env *env, struct llog_ctxt *ctxt);
int (*lop_cancel)(const struct lu_env *env, struct llog_ctxt *ctxt,
- struct lov_stripe_md *lsm, int count,
struct llog_cookie *cookies, int flags);
int (*lop_connect)(struct llog_ctxt *ctxt, struct llog_logid *logid,
struct llog_gen *gen, struct obd_uuid *uuid);
int (*lop_add)(const struct lu_env *env, struct llog_handle *lgh,
struct llog_rec_hdr *rec, struct llog_cookie *cookie,
void *buf, struct thandle *th);
- /* Old llog_add version, used in MDS-LOV-OSC now and will gone with
- * LOD/OSP replacement */
- int (*lop_obd_add)(const struct lu_env *env, struct llog_ctxt *ctxt,
- struct llog_rec_hdr *rec, struct lov_stripe_md *lsm,
- struct llog_cookie *logcookies, int numcookies);
};
/* In-memory descriptor for a log object or log catalog */
return true;
}
+static inline int lov_stripe_md_size(unsigned int stripe_count)
+{
+ struct lov_stripe_md lsm;
+
+ return sizeof(lsm) + stripe_count * sizeof(lsm.lsm_oinfo[0]);
+}
+
struct obd_info;
typedef int (*obd_enqueue_update_f)(void *cookie, int rc);
return obd_packmd(exp, NULL, mem_src);
}
-/* helper functions */
-static inline int obd_alloc_diskmd(struct obd_export *exp,
- struct lov_mds_md **disk_tgt)
-{
- LASSERT(disk_tgt);
- LASSERT(*disk_tgt == NULL);
- return obd_packmd(exp, disk_tgt, NULL);
-}
-
static inline int obd_free_diskmd(struct obd_export *exp,
struct lov_mds_md **disk_tgt)
{
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2011, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- */
-
-#ifndef _OBD_LOV_H__
-#define _OBD_LOV_H__
-
-#define LOV_DEFAULT_STRIPE_SIZE (1 << LNET_MTU_BITS)
-
-static inline int lov_stripe_md_size(__u16 stripes)
-{
- return sizeof(struct lov_stripe_md) + stripes*sizeof(struct lov_oinfo*);
-}
-
-struct lov_version_size {
- __u32 lvs_magic;
- size_t lvs_lmm_size;
- size_t lvs_lod_size;
-};
-
-static inline __u32 lov_mds_md_stripecnt(int ea_size, __u32 lmm_magic)
-{
- static const struct lov_version_size lmm_ver_size[] = {
- { .lvs_magic = LOV_MAGIC_V3,
- .lvs_lmm_size = sizeof(struct lov_mds_md_v3),
- .lvs_lod_size = sizeof(struct lov_ost_data_v1) },
- { .lvs_magic = LOV_MAGIC_V1,
- .lvs_lmm_size = sizeof(struct lov_mds_md_v1),
- .lvs_lod_size = sizeof(struct lov_ost_data_v1)} };
- int i;
-
- for (i = 0; i < ARRAY_SIZE(lmm_ver_size); i++) {
- if (lmm_magic == lmm_ver_size[i].lvs_magic) {
- if (ea_size <= lmm_ver_size[i].lvs_lmm_size)
- return 0;
- return (ea_size - lmm_ver_size[i].lvs_lmm_size) /
- lmm_ver_size[i].lvs_lod_size;
- }
- }
-
- /* Invalid LOV magic, so no stripes could fit */
- return 0;
-}
-
-/* lov_do_div64(a, b) returns a % b, and a = a / b.
- * The 32-bit code is LOV-specific due to knowing about stripe limits in
- * order to reduce the divisor to a 32-bit number. If the divisor is
- * already a 32-bit value the compiler handles this directly. */
-#if BITS_PER_LONG > 32
-# define lov_do_div64(n,base) ({ \
- uint64_t __base = (base); \
- uint64_t __rem; \
- __rem = ((uint64_t)(n)) % __base; \
- (n) = ((uint64_t)(n)) / __base; \
- __rem; \
- })
-#else
-# define lov_do_div64(n,base) ({ \
- uint64_t __rem; \
- if ((sizeof(base) > 4) && (((base) & 0xffffffff00000000ULL) != 0)) { \
- int __remainder; \
- LASSERTF(!((base) & (LOV_MIN_STRIPE_SIZE - 1)), "64 bit lov " \
- "division %llu / %llu\n", (n), (uint64_t)(base)); \
- __remainder = (n) & (LOV_MIN_STRIPE_SIZE - 1); \
- (n) >>= LOV_MIN_STRIPE_BITS; \
- __rem = do_div(n, (base) >> LOV_MIN_STRIPE_BITS); \
- __rem <<= LOV_MIN_STRIPE_BITS; \
- __rem += __remainder; \
- } else { \
- __rem = do_div(n, base); \
- } \
- __rem; \
- })
-#endif
-
-#define IOC_LOV_TYPE 'g'
-#define IOC_LOV_MIN_NR 50
-#define IOC_LOV_SET_OSC_ACTIVE _IOWR('g', 50, long)
-#define IOC_LOV_MAX_NR 50
-
-#define QOS_DEFAULT_THRESHOLD 10 /* MB */
-#define QOS_DEFAULT_MAXAGE 5 /* Seconds */
-
-#endif
#include <linux/libcfs/libcfs.h>
#include <obd_class.h>
-#include <obd_lov.h>
#include <lustre/lustre_idl.h>
#include "lov_internal.h"
.lsm_lmm_verify = lsm_lmm_verify_v3,
.lsm_unpackmd = lsm_unpackmd_v3,
};
+
+void dump_lsm(unsigned int level, const struct lov_stripe_md *lsm)
+{
+ CDEBUG(level, "lsm %p, objid "DOSTID", maxbytes "LPX64", magic 0x%08X,"
+ " stripe_size %u, stripe_count %u, refc: %d,"
+ " layout_gen %u, pool ["LOV_POOLNAMEF"]\n", lsm,
+ POSTID(&lsm->lsm_oi), lsm->lsm_maxbytes, lsm->lsm_magic,
+ lsm->lsm_stripe_size, lsm->lsm_stripe_count,
+ atomic_read(&lsm->lsm_refc), lsm->lsm_layout_gen,
+ lsm->lsm_pool_name);
+}
#define LOV_INTERNAL_H
#include <obd_class.h>
-#include <obd_lov.h>
#include <lustre/lustre_user.h>
+/* lov_do_div64(a, b) returns a % b, and a = a / b.
+ * The 32-bit code is LOV-specific due to knowing about stripe limits in
+ * order to reduce the divisor to a 32-bit number. If the divisor is
+ * already a 32-bit value the compiler handles this directly. */
+#if BITS_PER_LONG == 64
+# define lov_do_div64(n, base) ({ \
+ uint64_t __base = (base); \
+ uint64_t __rem; \
+ __rem = ((uint64_t)(n)) % __base; \
+ (n) = ((uint64_t)(n)) / __base; \
+ __rem; \
+})
+#elif BITS_PER_LONG == 32
+# define lov_do_div64(n, base) ({ \
+ uint64_t __rem; \
+ if ((sizeof(base) > 4) && (((base) & 0xffffffff00000000ULL) != 0)) { \
+ int __remainder; \
+ LASSERTF(!((base) & (LOV_MIN_STRIPE_SIZE - 1)), "64 bit lov " \
+ "division %llu / %llu\n", (n), (uint64_t)(base)); \
+ __remainder = (n) & (LOV_MIN_STRIPE_SIZE - 1); \
+ (n) >>= LOV_MIN_STRIPE_BITS; \
+ __rem = do_div(n, (base) >> LOV_MIN_STRIPE_BITS); \
+ __rem <<= LOV_MIN_STRIPE_BITS; \
+ __rem += __remainder; \
+ } else { \
+ __rem = do_div(n, base); \
+ } \
+ __rem; \
+})
+#endif
+
struct lov_lock_handles {
struct portals_handle llh_handle;
atomic_t llh_refcount;
/* lov_ea.c */
struct lov_stripe_md *lsm_alloc_plain(__u16 stripe_count, int *size);
void lsm_free_plain(struct lov_stripe_md *lsm);
+void dump_lsm(unsigned int level, const struct lov_stripe_md *lsm);
int lovea_destroy_object(struct lov_obd *lov, struct lov_stripe_md *lsm,
struct obdo *oa, void *data);
#include <linux/libcfs/libcfs.h>
#include <obd_class.h>
-#include <obd_lov.h>
-
#include "lov_internal.h"
/** Merge the lock value block(&lvb) attributes and KMS from each of the
#include <lustre/lustre_idl.h>
#include <lustre_dlm.h>
#include <lustre_mds.h>
-#include <lustre_debug.h>
#include <obd_class.h>
-#include <obd_lov.h>
#include <obd_ost.h>
#include <lprocfs_status.h>
#include <lustre_param.h>
if (*val != 0)
LCONSOLE_INFO("Increasing default stripe size to "
"minimum %u\n",
- LOV_DEFAULT_STRIPE_SIZE);
- *val = LOV_DEFAULT_STRIPE_SIZE;
+ LOV_DESC_STRIPE_SIZE_DEFAULT);
+ *val = LOV_DESC_STRIPE_SIZE_DEFAULT;
} else if (*val & (LOV_MIN_STRIPE_SIZE - 1)) {
*val &= ~(LOV_MIN_STRIPE_SIZE - 1);
LCONSOLE_WARN("Changing default stripe size to "LPU64" (a "
void lov_fix_desc_qos_maxage(__u32 *val)
{
- /* fix qos_maxage */
if (*val == 0)
- *val = QOS_DEFAULT_MAXAGE;
+ *val = LOV_DESC_QOS_MAXAGE_DEFAULT;
}
void lov_fix_desc(struct lov_desc *desc)
#define DEBUG_SUBSYSTEM S_LOV
#include "lov_cl_internal.h"
-#include <lustre_debug.h>
/** \addtogroup lov
* @{
#include <linux/libcfs/libcfs.h>
#include <obd_class.h>
-#include <obd_lov.h>
#include "lov_internal.h"
#include <lustre_net.h>
#include <obd.h>
-#include <obd_lov.h>
#include <obd_class.h>
#include <obd_support.h>
#include <lustre/lustre_user.h>
* Anyway, this is pretty inaccurate since ld_tgt_count now
* represents max index and we should rely on the actual number
* of OSTs instead */
- stripe_count = lov_mds_md_stripecnt(lov->lov_ocd.ocd_max_easize,
- lmm_magic);
+ stripe_count = lov_mds_md_max_stripe_count(
+ lov->lov_ocd.ocd_max_easize, lmm_magic);
+
if (stripe_count > lov->desc.ld_tgt_count)
stripe_count = lov->desc.ld_tgt_count;
}
* larger EA sizes */
if (lov->lov_ocd.ocd_connect_flags & OBD_CONNECT_MAX_EASIZE &&
lov->lov_ocd.ocd_max_easize)
- max_stripes = lov_mds_md_stripecnt(lov->lov_ocd.ocd_max_easize,
- magic);
+ max_stripes = lov_mds_md_max_stripe_count(
+ lov->lov_ocd.ocd_max_easize, magic);
if (stripe_count > max_stripes)
stripe_count = max_stripes;
#include <linux/libcfs/libcfs.h>
#include <obd_class.h>
-#include <obd_lov.h>
#include <lustre/lustre_idl.h>
#include "lov_internal.h"
}
EXPORT_SYMBOL(dump_lniobuf);
-void dump_lsm(int level, struct lov_stripe_md *lsm)
-{
- CDEBUG(level, "lsm %p, objid "DOSTID", maxbytes "LPX64", magic 0x%08X,"
- " stripe_size %u, stripe_count %u, refc: %d,"
- " layout_gen %u, pool ["LOV_POOLNAMEF"]\n", lsm,
- POSTID(&lsm->lsm_oi), lsm->lsm_maxbytes, lsm->lsm_magic,
- lsm->lsm_stripe_size, lsm->lsm_stripe_count,
- atomic_read(&lsm->lsm_refc), lsm->lsm_layout_gen,
- lsm->lsm_pool_name);
-}
-EXPORT_SYMBOL(dump_lsm);
-
#define LPDS sizeof(__u64)
int block_debug_setup(void *addr, int len, __u64 off, __u64 id)
{
}
EXPORT_SYMBOL(llog_sync);
-int llog_obd_add(const struct lu_env *env, struct llog_ctxt *ctxt,
- struct llog_rec_hdr *rec, struct lov_stripe_md *lsm,
- struct llog_cookie *logcookies, int numcookies)
-{
- int raised, rc;
-
- if (!ctxt) {
- CERROR("No ctxt\n");
- return -ENODEV;
- }
-
- if (ctxt->loc_flags & LLOG_CTXT_FLAG_UNINITIALIZED)
- return -ENXIO;
-
- CTXT_CHECK_OP(ctxt, obd_add, -EOPNOTSUPP);
- raised = cfs_cap_raised(CFS_CAP_SYS_RESOURCE);
- if (!raised)
- cfs_cap_raise(CFS_CAP_SYS_RESOURCE);
- rc = CTXTP(ctxt, obd_add)(env, ctxt, rec, lsm, logcookies,
- numcookies);
- if (!raised)
- cfs_cap_lower(CFS_CAP_SYS_RESOURCE);
- return rc;
-}
-EXPORT_SYMBOL(llog_obd_add);
-
int llog_cancel(const struct lu_env *env, struct llog_ctxt *ctxt,
- struct lov_stripe_md *lsm, int count,
struct llog_cookie *cookies, int flags)
{
int rc;
}
CTXT_CHECK_OP(ctxt, cancel, -EOPNOTSUPP);
- rc = CTXTP(ctxt, cancel)(env, ctxt, lsm, count, cookies, flags);
+ rc = CTXTP(ctxt, cancel)(env, ctxt, cookies, flags);
return rc;
}
EXPORT_SYMBOL(llog_cancel);
#include <lustre_fid.h>
#include <lustre_acl.h>
#include <lustre_net.h>
-#include <obd_lov.h>
#include "echo_internal.h"
#include <lustre/lustre_user.h>
#include <obd_cksum.h>
#include <obd_ost.h>
-#include <obd_lov.h>
#include <lustre_ha.h>
#include <lprocfs_status.h>
#include <obd.h>
#include <obd_ost.h>
#include <obd_class.h>
-#include <obd_lov.h> /* for IOC_LOV_SET_OSC_ACTIVE */
#include <linux/list.h>
#include "ptlrpc_internal.h"
projects / openwrt / staging / blogic.git / commitdiff