+++ /dev/null
-/* -*- 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.
- *
- * 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 2008 Sun Microsystems, Inc. All rights reserved
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/osd/osd_lproc.c
- *
- * Author: Mikhail Pershin <tappro@sun.com>
- */
-
-#define DEBUG_SUBSYSTEM S_CLASS
-
-#include <lprocfs_status.h>
-#include <lu_time.h>
-
-#include <lustre/lustre_idl.h>
-
-#include "osd_internal.h"
-
-#ifdef LPROCFS
-enum {
- LPROC_OSD_NR
-};
-
-static const char *osd_counter_names[LPROC_OSD_NR] = {
-};
-
-int osd_procfs_init(struct osd_device *osd, const char *name)
-{
- struct lprocfs_static_vars lvars;
- struct lu_device *ld = &osd->od_dt_dev.dd_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_osd_init_vars(&lvars);
- osd->od_proc_entry = lprocfs_register(name, type->typ_procroot,
- lvars.obd_vars, osd);
- if (IS_ERR(osd->od_proc_entry)) {
- rc = PTR_ERR(osd->od_proc_entry);
- CERROR("Error %d setting up lprocfs for %s\n",
- rc, name);
- osd->od_proc_entry = NULL;
- GOTO(out, rc);
- }
-
- rc = lu_time_init(&osd->od_stats,
- osd->od_proc_entry,
- osd_counter_names, ARRAY_SIZE(osd_counter_names));
- EXIT;
-out:
- if (rc)
- osd_procfs_fini(osd);
- return rc;
-}
-
-int osd_procfs_fini(struct osd_device *osd)
-{
- if (osd->od_stats)
- lu_time_fini(&osd->od_stats);
-
- if (osd->od_proc_entry) {
- lprocfs_remove(&osd->od_proc_entry);
- osd->od_proc_entry = NULL;
- }
- RETURN(0);
-}
-
-void osd_lprocfs_time_start(const struct lu_env *env)
-{
- lu_lprocfs_time_start(env);
-}
-
-void osd_lprocfs_time_end(const struct lu_env *env, struct osd_device *osd,
- int idx)
-{
- lu_lprocfs_time_end(env, osd->od_stats, idx);
-}
-
-
-
-int lprocfs_osd_rd_blksize(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct osd_device *osd = data;
- int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
- if (!rc) {
- *eof = 1;
- rc = snprintf(page, count, "%ld\n", osd->od_kstatfs.f_bsize);
- }
- return rc;
-}
-
-int lprocfs_osd_rd_kbytestotal(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct osd_device *osd = data;
- int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
- if (!rc) {
- __u32 blk_size = osd->od_kstatfs.f_bsize >> 10;
- __u64 result = osd->od_kstatfs.f_blocks;
-
- while (blk_size >>= 1)
- result <<= 1;
-
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
- }
- return rc;
-}
-
-int lprocfs_osd_rd_kbytesfree(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct osd_device *osd = data;
- int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
- if (!rc) {
- __u32 blk_size = osd->od_kstatfs.f_bsize >> 10;
- __u64 result = osd->od_kstatfs.f_bfree;
-
- while (blk_size >>= 1)
- result <<= 1;
-
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
- }
- return rc;
-}
-
-int lprocfs_osd_rd_kbytesavail(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct osd_device *osd = data;
- int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
- if (!rc) {
- __u32 blk_size = osd->od_kstatfs.f_bsize >> 10;
- __u64 result = osd->od_kstatfs.f_bavail;
-
- while (blk_size >>= 1)
- result <<= 1;
-
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
- }
- return rc;
-}
-
-int lprocfs_osd_rd_filestotal(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct osd_device *osd = data;
- int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
- if (!rc) {
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", osd->od_kstatfs.f_files);
- }
-
- return rc;
-}
-
-int lprocfs_osd_rd_filesfree(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct osd_device *osd = data;
- int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
- if (!rc) {
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", osd->od_kstatfs.f_ffree);
- }
- return rc;
-}
-
-int lprocfs_osd_rd_fstype(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *osd = data;
-
- LASSERT(osd != NULL);
- return snprintf(page, count, "ldiskfs\n");
-}
-
-static int lprocfs_osd_rd_mntdev(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct osd_device *osd = data;
-
- LASSERT(osd != NULL);
- LASSERT(osd->od_mount->lmi_mnt->mnt_devname);
- *eof = 1;
-
- return snprintf(page, count, "%s\n",
- osd->od_mount->lmi_mnt->mnt_devname);
-}
-
-struct lprocfs_vars lprocfs_osd_obd_vars[] = {
- { "blocksize", lprocfs_osd_rd_blksize, 0, 0 },
- { "kbytestotal", lprocfs_osd_rd_kbytestotal, 0, 0 },
- { "kbytesfree", lprocfs_osd_rd_kbytesfree, 0, 0 },
- { "kbytesavail", lprocfs_osd_rd_kbytesavail, 0, 0 },
- { "filestotal", lprocfs_osd_rd_filestotal, 0, 0 },
- { "filesfree", lprocfs_osd_rd_filesfree, 0, 0 },
- { "fstype", lprocfs_osd_rd_fstype, 0, 0 },
- { "mntdev", lprocfs_osd_rd_mntdev, 0, 0 },
- { 0 }
-};
-
-struct lprocfs_vars lprocfs_osd_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
-};
-
-void lprocfs_osd_init_vars(struct lprocfs_static_vars *lvars)
-{
- lvars->module_vars = lprocfs_osd_module_vars;
- lvars->obd_vars = lprocfs_osd_obd_vars;
-}
-#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff