X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdd%2Fmdd_lproc.c;h=099fc1a60ffa3fbb2d195cb4dc560c4762ba57b4;hb=abf0e13bf261ec949ed32368296388df73c6ca72;hp=026f43e49f9ad903ed02d2335a4d3457f6c4b576;hpb=7e13f6940cb86f0767de1fde7017c1b3340e6c37;p=fs%2Flustre-release.git

diff --git a/lustre/mdd/mdd_lproc.c b/lustre/mdd/mdd_lproc.c
index 026f43e..099fc1a 100644
--- a/lustre/mdd/mdd_lproc.c
+++ b/lustre/mdd/mdd_lproc.c
@@ -1,152 +1,400 @@
-/* -*- MODE: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
  *
- *  mdd/mdd_lproc.c
- *  Lustre Metadata Server (mdd) routines
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *  Copyright (C) 2006 Cluster File Systems, Inc.
- *   Author: Wang Di <wangdi@clusterfs.com>
+ * 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 file is part of the Lustre file system, http://www.lustre.org
- *   Lustre is a trademark of Cluster File Systems, Inc.
+ * 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 may have signed or agreed to another license before downloading
- *   this software.  If so, you are bound by the terms and conditions
- *   of that agreement, and the following does not apply to you.  See the
- *   LICENSE file included with this distribution for more information.
+ * 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
  *
- *   If you did not agree to a different license, then this copy of Lustre
- *   is open source software; you can redistribute it and/or modify it
- *   under the terms of version 2 of the GNU General Public License as
- *   published by the Free Software Foundation.
+ * 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.
  *
- *   In either case, Lustre 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
- *   license text for more details.
+ * GPL HEADER END
  */
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2014, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/mdd/mdd_lproc.c
+ *
+ * Lustre Metadata Server (mdd) routines
+ *
+ * Author: Wang Di <wangdi@clusterfs.com>
+ */
+
 #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 <libcfs/libcfs_string.h>
+#include "mdd_internal.h"
 
-#include <lustre/lustre_idl.h>
+static ssize_t
+mdd_atime_diff_seq_write(struct file *file, const char __user *buffer,
+			 size_t count, loff_t *off)
+{
+	struct seq_file *m = file->private_data;
+	struct mdd_device *mdd = m->private;
+	char kernbuf[20], *end;
+	unsigned long diff = 0;
 
-#include "mdd_internal.h"
+        if (count > (sizeof(kernbuf) - 1))
+                return -EINVAL;
 
-static const char *mdd_counter_names[LPROC_MDD_NR] = {
-};
+	if (copy_from_user(kernbuf, buffer, count))
+                return -EFAULT;
 
-int mdd_procfs_init(struct mdd_device *mdd, const char *name)
+        kernbuf[count] = '\0';
+
+        diff = simple_strtoul(kernbuf, &end, 0);
+        if (kernbuf == end)
+                return -EINVAL;
+
+        mdd->mdd_atime_diff = diff;
+        return count;
+}
+
+static int mdd_atime_diff_seq_show(struct seq_file *m, void *data)
 {
-        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;
-
-        LASSERT(name != NULL);
-        LASSERT(type != NULL);
-
-        /* Find the type procroot and add the proc entry for this device */
-        lprocfs_mdd_init_vars(&lvars);
-        mdd->mdd_proc_entry = lprocfs_register(name, type->typ_procroot,
-                                               lvars.obd_vars, mdd);
-        if (IS_ERR(mdd->mdd_proc_entry)) {
-                rc = PTR_ERR(mdd->mdd_proc_entry);
-                CERROR("Error %d setting up lprocfs for %s\n",
-                       rc, name);
-                mdd->mdd_proc_entry = NULL;
-                GOTO(out, rc);
-        }
-
-        rc = lu_time_init(&mdd->mdd_stats,
-                          mdd->mdd_proc_entry,
-                          mdd_counter_names, ARRAY_SIZE(mdd_counter_names));
-        EXIT;
+	struct mdd_device *mdd = m->private;
+
+	seq_printf(m, "%lu\n", mdd->mdd_atime_diff);
+	return 0;
+}
+LPROC_SEQ_FOPS(mdd_atime_diff);
+
+/**** changelogs ****/
+static int mdd_changelog_mask_seq_show(struct seq_file *m, void *data)
+{
+	struct mdd_device *mdd = m->private;
+	int i = 0;
+
+	while (i < CL_LAST) {
+		if (mdd->mdd_cl.mc_mask & (1 << i))
+			seq_printf(m, "%s ", changelog_type2str(i));
+		i++;
+	}
+	return 0;
+}
+
+static ssize_t
+mdd_changelog_mask_seq_write(struct file *file, const char __user *buffer,
+			     size_t count, loff_t *off)
+{
+	struct seq_file *m = file->private_data;
+	struct mdd_device *mdd = m->private;
+	char *kernbuf;
+	int rc;
+	ENTRY;
+
+	if (count >= PAGE_CACHE_SIZE)
+		RETURN(-EINVAL);
+	OBD_ALLOC(kernbuf, PAGE_CACHE_SIZE);
+	if (kernbuf == NULL)
+		RETURN(-ENOMEM);
+	if (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:
-        if (rc)
-               mdd_procfs_fini(mdd);
+	OBD_FREE(kernbuf, PAGE_CACHE_SIZE);
 	return rc;
 }
+LPROC_SEQ_FOPS(mdd_changelog_mask);
 
-int mdd_procfs_fini(struct mdd_device *mdd)
+static int lprocfs_changelog_users_cb(const struct lu_env *env,
+				      struct llog_handle *llh,
+				      struct llog_rec_hdr *hdr, void *data)
 {
-        if (mdd->mdd_stats)
-                lu_time_fini(&mdd->mdd_stats);
+	struct llog_changelog_user_rec *rec;
+	struct seq_file *m = data;
+
+	LASSERT(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN);
 
-        if (mdd->mdd_proc_entry) {
-                 lprocfs_remove(&mdd->mdd_proc_entry);
-                 mdd->mdd_proc_entry = NULL;
-        }
-        RETURN(0);
+	rec = (struct llog_changelog_user_rec *)hdr;
+
+	seq_printf(m, CHANGELOG_USER_PREFIX"%-3d "LPU64"\n",
+		   rec->cur_id, rec->cur_endrec);
+	return 0;
 }
 
-void mdd_lprocfs_time_start(const struct lu_env *env)
+static int mdd_changelog_users_seq_show(struct seq_file *m, void *data)
 {
-        lu_lprocfs_time_start(env);
+	struct lu_env		 env;
+	struct mdd_device	*mdd = m->private;
+	struct llog_ctxt	*ctxt;
+	__u64			 cur;
+	int			 rc;
+
+        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);
+
+	seq_printf(m, "current index: "LPU64"\n", cur);
+	seq_printf(m, "%-5s %s\n", "ID", "index");
+
+	llog_cat_process(&env, ctxt->loc_handle, lprocfs_changelog_users_cb,
+			 m, 0, 0);
+
+	lu_env_fini(&env);
+	llog_ctxt_put(ctxt);
+	return 0;
 }
+LPROC_SEQ_FOPS_RO(mdd_changelog_users);
 
-void mdd_lprocfs_time_end(const struct lu_env *env, struct mdd_device *mdd,
-                          int idx)
+static int mdd_changelog_size_ctxt(const struct lu_env *env,
+				   struct mdd_device *mdd,
+				   int index, __u64 *val)
 {
-        lu_lprocfs_time_end(env, mdd->mdd_stats, idx);
+	struct llog_ctxt	*ctxt;
+
+	ctxt = llog_get_context(mdd2obd_dev(mdd),
+				index);
+	if (ctxt == NULL)
+		return -ENXIO;
+
+	if (!(ctxt->loc_handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT)) {
+		CERROR("%s: ChangeLog has wrong flags: rc = %d\n",
+		       ctxt->loc_obd->obd_name, -EINVAL);
+		llog_ctxt_put(ctxt);
+		return -EINVAL;
+	}
+
+	*val += llog_cat_size(env, ctxt->loc_handle);
+
+	llog_ctxt_put(ctxt);
+
+	return 0;
 }
 
-static int lprocfs_wr_atime_diff(struct file *file, const char *buffer,
-                                 unsigned long count, void *data)
+static int mdd_changelog_size_seq_show(struct seq_file *m, void *data)
 {
-        struct mdd_device *mdd = data;
-        char kernbuf[20], *end;
-        unsigned long diff = 0;
+	struct lu_env		 env;
+	struct mdd_device	*mdd = m->private;
+	__u64			 tmp = 0;
+	int			 rc;
 
-        if (count > (sizeof(kernbuf) - 1))
-                return -EINVAL;
+	rc = lu_env_init(&env, LCT_LOCAL);
+	if (rc)
+		return rc;
 
-        if (copy_from_user(kernbuf, buffer, count))
-                return -EFAULT;
+	rc = mdd_changelog_size_ctxt(&env, mdd, LLOG_CHANGELOG_ORIG_CTXT, &tmp);
+	if (rc) {
+		lu_env_fini(&env);
+		return rc;
+	}
 
-        kernbuf[count] = '\0';
+	rc = mdd_changelog_size_ctxt(&env, mdd, LLOG_CHANGELOG_USER_ORIG_CTXT,
+				     &tmp);
 
-        diff = simple_strtoul(kernbuf, &end, 0);
-        if (kernbuf == end)
-                return -EINVAL;
+	seq_printf(m, LPU64"\n", tmp);
+	lu_env_fini(&env);
+	return rc;
+}
+LPROC_SEQ_FOPS_RO(mdd_changelog_size);
 
-        mdd->mdd_atime_diff = diff;
-        return count;
+static int mdd_sync_perm_seq_show(struct seq_file *m, void *data)
+{
+	struct mdd_device *mdd = m->private;
+
+	LASSERT(mdd != NULL);
+	seq_printf(m, "%d\n", mdd->mdd_sync_permission);
+	return 0;
+}
+
+static ssize_t
+mdd_sync_perm_seq_write(struct file *file, const char __user *buffer,
+			size_t count, loff_t *off)
+{
+	struct seq_file *m = file->private_data;
+	struct mdd_device *mdd = m->private;
+	int rc;
+	__s64 val;
+
+	LASSERT(mdd != NULL);
+	rc = lprocfs_str_to_s64(buffer, count, &val);
+	if (rc)
+		return rc;
+
+	mdd->mdd_sync_permission = !!val;
+
+	return count;
+}
+LPROC_SEQ_FOPS(mdd_sync_perm);
+
+static int mdd_lfsck_speed_limit_seq_show(struct seq_file *m, void *data)
+{
+	struct mdd_device *mdd = m->private;
+
+	LASSERT(mdd != NULL);
+	return lfsck_get_speed(m, mdd->mdd_bottom);
+}
+
+static ssize_t
+mdd_lfsck_speed_limit_seq_write(struct file *file, const char __user *buffer,
+				size_t count, loff_t *off)
+{
+	struct seq_file *m = file->private_data;
+	struct mdd_device *mdd = m->private;
+	__s64 val;
+	int rc;
+
+	LASSERT(mdd != NULL);
+	rc = lprocfs_str_to_s64(buffer, count, &val);
+	if (rc != 0)
+		return rc;
+	if (val < 0 || val > INT_MAX)
+		return -ERANGE;
+
+	rc = lfsck_set_speed(mdd->mdd_bottom, val);
+	return rc != 0 ? rc : count;
 }
+LPROC_SEQ_FOPS(mdd_lfsck_speed_limit);
 
-static int lprocfs_rd_atime_diff(char *page, char **start, off_t off,
-                                 int count, int *eof, void *data)
+static int mdd_lfsck_async_windows_seq_show(struct seq_file *m, void *data)
 {
-        struct mdd_device *mdd = data;
+	struct mdd_device *mdd = m->private;
 
-        *eof = 1;
-        return snprintf(page, count, "%lu\n", mdd->mdd_atime_diff);
+	LASSERT(mdd != NULL);
+	return lfsck_get_windows(m, mdd->mdd_bottom);
 }
 
+static ssize_t
+mdd_lfsck_async_windows_seq_write(struct file *file, const char __user *buffer,
+				  size_t count, loff_t *off)
+{
+	struct seq_file   *m = file->private_data;
+	struct mdd_device *mdd = m->private;
+	__s64		   val;
+	int		   rc;
+
+	LASSERT(mdd != NULL);
+	rc = lprocfs_str_to_s64(buffer, count, &val);
+	if (rc)
+		return rc;
+	if (val < 0 || val > INT_MAX)
+		return -ERANGE;
+
+	rc = lfsck_set_windows(mdd->mdd_bottom, val);
+
+	return rc != 0 ? rc : count;
+}
+LPROC_SEQ_FOPS(mdd_lfsck_async_windows);
+
+static int mdd_lfsck_namespace_seq_show(struct seq_file *m, void *data)
+{
+	struct mdd_device *mdd = m->private;
+
+	LASSERT(mdd != NULL);
+
+	return lfsck_dump(m, mdd->mdd_bottom, LFSCK_TYPE_NAMESPACE);
+}
+LPROC_SEQ_FOPS_RO(mdd_lfsck_namespace);
+
+static int mdd_lfsck_layout_seq_show(struct seq_file *m, void *data)
+{
+	struct mdd_device *mdd = m->private;
+
+	LASSERT(mdd != NULL);
+
+	return lfsck_dump(m, mdd->mdd_bottom, LFSCK_TYPE_LAYOUT);
+}
+LPROC_SEQ_FOPS_RO(mdd_lfsck_layout);
+
 static struct lprocfs_vars lprocfs_mdd_obd_vars[] = {
-        { "atime_diff", lprocfs_rd_atime_diff, lprocfs_wr_atime_diff, 0 },
-        { 0 }
+	{ .name =	"atime_diff",
+	  .fops =	&mdd_atime_diff_fops		},
+	{ .name =	"changelog_mask",
+	  .fops =	&mdd_changelog_mask_fops	},
+	{ .name =	"changelog_users",
+	  .fops =	&mdd_changelog_users_fops	},
+	{ .name =	"changelog_size",
+	  .fops =	&mdd_changelog_size_fops	},
+	{ .name =	"sync_permission",
+	  .fops =	&mdd_sync_perm_fops		},
+	{ .name =	"lfsck_speed_limit",
+	  .fops =	&mdd_lfsck_speed_limit_fops	},
+	{ .name =	"lfsck_async_windows",
+	  .fops =	&mdd_lfsck_async_windows_fops	},
+	{ .name =	"lfsck_namespace",
+	  .fops =	&mdd_lfsck_namespace_fops	},
+	{ .name	=	"lfsck_layout",
+	  .fops	=	&mdd_lfsck_layout_fops		},
+	{ NULL }
 };
 
-static struct lprocfs_vars lprocfs_mdd_module_vars[] = {
-        { "num_refs",   lprocfs_rd_numrefs, 0, 0 },
-        { 0 }
-};
+int mdd_procfs_init(struct mdd_device *mdd, const char *name)
+{
+	struct obd_device *obd = mdd2obd_dev(mdd);
+	struct obd_type   *type;
+	int		   rc;
+	ENTRY;
+
+	/* 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);
+	LASSERT(obd  != NULL);
+
+	/* Find the type procroot and add the proc entry for this device */
+	obd->obd_vars = lprocfs_mdd_obd_vars;
+	mdd->mdd_proc_entry = lprocfs_register(name, type->typ_procroot,
+					       obd->obd_vars, mdd);
+	if (IS_ERR(mdd->mdd_proc_entry)) {
+		rc = PTR_ERR(mdd->mdd_proc_entry);
+		CERROR("Error %d setting up lprocfs for %s\n",
+		       rc, name);
+		mdd->mdd_proc_entry = NULL;
+		GOTO(out, rc);
+	}
+	rc = 0;
+	EXIT;
+out:
+	if (rc)
+		mdd_procfs_fini(mdd);
+	return rc;
+}
 
-void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars)
+void mdd_procfs_fini(struct mdd_device *mdd)
 {
-        lvars->module_vars  = lprocfs_mdd_module_vars;
-        lvars->obd_vars     = lprocfs_mdd_obd_vars;
+	if (mdd->mdd_proc_entry)
+		lprocfs_remove(&mdd->mdd_proc_entry);
 }