-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* 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 [sun.com URL with a
- * copy of GPLv2].
+ * 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
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Wang Di <wangdi@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
-#include <linux/module.h>
#include <obd.h>
#include <obd_class.h>
-#include <lustre_ver.h>
#include <obd_support.h>
#include <lprocfs_status.h>
-#include <lu_time.h>
-
-#include <lustre/lustre_idl.h>
-
+#include <libcfs/libcfs_string.h>
#include "mdd_internal.h"
-static const char *mdd_counter_names[LPROC_MDD_NR] = {
-};
-
int mdd_procfs_init(struct mdd_device *mdd, const char *name)
{
struct lprocfs_static_vars lvars;
- struct lu_device *ld = &mdd->mdd_md_dev.md_lu_dev;
struct obd_type *type;
int rc;
ENTRY;
- type = ld->ld_type->ldt_obd_type;
+ /* at the moment there is no linkage between lu_type
+ * and obd_type, so we lookup obd_type this way */
+ type = class_search_type(LUSTRE_MDD_NAME);
LASSERT(name != NULL);
LASSERT(type != NULL);
GOTO(out, rc);
}
- rc = lu_time_init(&mdd->mdd_stats,
- mdd->mdd_proc_entry,
- mdd_counter_names, ARRAY_SIZE(mdd_counter_names));
+ rc = 0;
+
EXIT;
out:
if (rc)
mdd_procfs_fini(mdd);
- return rc;
+ return rc;
}
int mdd_procfs_fini(struct mdd_device *mdd)
{
- if (mdd->mdd_stats)
- lu_time_fini(&mdd->mdd_stats);
-
if (mdd->mdd_proc_entry) {
lprocfs_remove(&mdd->mdd_proc_entry);
mdd->mdd_proc_entry = NULL;
RETURN(0);
}
-void mdd_lprocfs_time_start(const struct lu_env *env)
-{
- lu_lprocfs_time_start(env);
-}
-
-void mdd_lprocfs_time_end(const struct lu_env *env, struct mdd_device *mdd,
- int idx)
-{
- lu_lprocfs_time_end(env, mdd->mdd_stats, idx);
-}
-
static int lprocfs_wr_atime_diff(struct file *file, const char *buffer,
unsigned long count, void *data)
{
if (count > (sizeof(kernbuf) - 1))
return -EINVAL;
- if (copy_from_user(kernbuf, buffer, count))
+ if (cfs_copy_from_user(kernbuf, buffer, count))
return -EFAULT;
kernbuf[count] = '\0';
return snprintf(page, count, "%lu\n", mdd->mdd_atime_diff);
}
+
+/**** changelogs ****/
+static int lprocfs_rd_changelog_mask(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct mdd_device *mdd = data;
+ int i = 0, rc = 0;
+
+ *eof = 1;
+ while (i < CL_LAST) {
+ if (mdd->mdd_cl.mc_mask & (1 << i))
+ rc += snprintf(page + rc, count - rc, "%s ",
+ changelog_type2str(i));
+ i++;
+ }
+ return rc;
+}
+
+static int lprocfs_wr_changelog_mask(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct mdd_device *mdd = data;
+ char *kernbuf;
+ int rc;
+ ENTRY;
+
+ if (count >= CFS_PAGE_SIZE)
+ RETURN(-EINVAL);
+ OBD_ALLOC(kernbuf, CFS_PAGE_SIZE);
+ if (kernbuf == NULL)
+ RETURN(-ENOMEM);
+ if (cfs_copy_from_user(kernbuf, buffer, count))
+ GOTO(out, rc = -EFAULT);
+ kernbuf[count] = 0;
+
+ rc = cfs_str2mask(kernbuf, changelog_type2str, &mdd->mdd_cl.mc_mask,
+ CHANGELOG_MINMASK, CHANGELOG_ALLMASK);
+ if (rc == 0)
+ rc = count;
+out:
+ OBD_FREE(kernbuf, CFS_PAGE_SIZE);
+ return rc;
+}
+
+struct cucb_data {
+ char *page;
+ int count;
+ int idx;
+};
+
+static int lprocfs_changelog_users_cb(const struct lu_env *env,
+ struct llog_handle *llh,
+ struct llog_rec_hdr *hdr, void *data)
+{
+ struct llog_changelog_user_rec *rec;
+ struct cucb_data *cucb = (struct cucb_data *)data;
+
+ LASSERT(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN);
+
+ rec = (struct llog_changelog_user_rec *)hdr;
+
+ cucb->idx += snprintf(cucb->page + cucb->idx, cucb->count - cucb->idx,
+ CHANGELOG_USER_PREFIX"%-3d "LPU64"\n",
+ rec->cur_id, rec->cur_endrec);
+ if (cucb->idx >= cucb->count)
+ return -ENOSPC;
+
+ return 0;
+}
+
+static int lprocfs_rd_changelog_users(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct lu_env env;
+ struct mdd_device *mdd = data;
+ struct llog_ctxt *ctxt;
+ struct cucb_data cucb;
+ __u64 cur;
+ int rc;
+
+ *eof = 1;
+
+ ctxt = llog_get_context(mdd2obd_dev(mdd),
+ LLOG_CHANGELOG_USER_ORIG_CTXT);
+ if (ctxt == NULL)
+ return -ENXIO;
+ LASSERT(ctxt->loc_handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT);
+
+ rc = lu_env_init(&env, LCT_LOCAL);
+ if (rc) {
+ llog_ctxt_put(ctxt);
+ return rc;
+ }
+
+ spin_lock(&mdd->mdd_cl.mc_lock);
+ cur = mdd->mdd_cl.mc_index;
+ spin_unlock(&mdd->mdd_cl.mc_lock);
+
+ cucb.count = count;
+ cucb.page = page;
+ cucb.idx = 0;
+
+ cucb.idx += snprintf(cucb.page + cucb.idx, cucb.count - cucb.idx,
+ "current index: "LPU64"\n", cur);
+
+ cucb.idx += snprintf(cucb.page + cucb.idx, cucb.count - cucb.idx,
+ "%-5s %s\n", "ID", "index");
+
+ llog_cat_process(&env, ctxt->loc_handle, lprocfs_changelog_users_cb,
+ &cucb, 0, 0);
+
+ lu_env_fini(&env);
+ llog_ctxt_put(ctxt);
+ return cucb.idx;
+}
+
+static int lprocfs_rd_sync_perm(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct mdd_device *mdd = data;
+
+ LASSERT(mdd != NULL);
+ return snprintf(page, count, "%d\n", mdd->mdd_sync_permission);
+}
+
+static int lprocfs_wr_sync_perm(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct mdd_device *mdd = data;
+ int val, rc;
+
+ LASSERT(mdd != NULL);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ mdd->mdd_sync_permission = !!val;
+ return count;
+}
+
+static int lprocfs_rd_lfsck_speed_limit(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct mdd_device *mdd = data;
+
+ LASSERT(mdd != NULL);
+ *eof = 1;
+ return snprintf(page, count, "%u\n",
+ mdd->mdd_lfsck.ml_bookmark_ram.lb_speed_limit);
+}
+
+static int lprocfs_wr_lfsck_speed_limit(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct mdd_device *mdd = data;
+ struct md_lfsck *lfsck;
+ __u32 val;
+ int rc;
+
+ LASSERT(mdd != NULL);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc != 0)
+ return rc;
+
+ lfsck = &mdd->mdd_lfsck;
+ if (val != lfsck->ml_bookmark_ram.lb_speed_limit) {
+ struct lu_env env;
+
+ rc = lu_env_init(&env, LCT_MD_THREAD | LCT_DT_THREAD);
+ if (rc != 0)
+ return rc;
+
+ rc = mdd_lfsck_set_speed(&env, lfsck, val);
+ lu_env_fini(&env);
+ }
+ return rc != 0 ? rc : count;
+}
+
+static int lprocfs_rd_lfsck_namespace(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct lu_env env;
+ struct mdd_device *mdd = data;
+ int rc;
+
+ LASSERT(mdd != NULL);
+ *eof = 1;
+
+ rc = lu_env_init(&env, LCT_MD_THREAD | LCT_DT_THREAD);
+ if (rc != 0)
+ return rc;
+
+ rc = mdd_lfsck_dump(&env, &mdd->mdd_lfsck, LT_NAMESPACE, page, count);
+ lu_env_fini(&env);
+ return rc;
+}
+
static struct lprocfs_vars lprocfs_mdd_obd_vars[] = {
- { "atime_diff", lprocfs_rd_atime_diff, lprocfs_wr_atime_diff, 0 },
- { 0 }
+ { "atime_diff", lprocfs_rd_atime_diff, lprocfs_wr_atime_diff, 0 },
+ { "changelog_mask", lprocfs_rd_changelog_mask,
+ lprocfs_wr_changelog_mask, 0 },
+ { "changelog_users", lprocfs_rd_changelog_users, 0, 0},
+ { "sync_permission", lprocfs_rd_sync_perm, lprocfs_wr_sync_perm, 0 },
+ { "lfsck_speed_limit", lprocfs_rd_lfsck_speed_limit,
+ lprocfs_wr_lfsck_speed_limit, 0 },
+ { "lfsck_namespace", lprocfs_rd_lfsck_namespace, 0, 0 },
+ { 0 }
};
static struct lprocfs_vars lprocfs_mdd_module_vars[] = {
lvars->module_vars = lprocfs_mdd_module_vars;
lvars->obd_vars = lprocfs_mdd_obd_vars;
}
+