-/* -*- 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.
*
* 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* 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, 2016, 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 <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++;
+ }
+ seq_putc(m, '\n');
+ 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_SIZE)
+ RETURN(-EINVAL);
+ OBD_ALLOC(kernbuf, PAGE_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_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);
+
+ rec = (struct llog_changelog_user_rec *)hdr;
- if (mdd->mdd_proc_entry) {
- lprocfs_remove(&mdd->mdd_proc_entry);
- mdd->mdd_proc_entry = NULL;
- }
- RETURN(0);
+ seq_printf(m, CHANGELOG_USER_PREFIX"%-3d %llu\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: %llu\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, "%llu\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 int lprocfs_rd_atime_diff(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static ssize_t
+mdd_sync_perm_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct mdd_device *mdd = data;
+ 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;
- *eof = 1;
- return snprintf(page, count, "%lu\n", mdd->mdd_atime_diff);
+ 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 mdd_lfsck_async_windows_seq_show(struct seq_file *m, void *data)
+{
+ struct mdd_device *mdd = m->private;
+
+ 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);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff