-/* -*- 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 (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Mikhail Pershin <tappro@sun.com>
*/
-#define DEBUG_SUBSYSTEM S_CLASS
+#define DEBUG_SUBSYSTEM S_OSD
#include <lprocfs_status.h>
-#include <lu_time.h>
-
-#include <lustre/lustre_idl.h>
#include "osd_internal.h"
-#ifdef LPROCFS
-enum {
- LPROC_OSD_NR
-};
+#ifdef CONFIG_PROC_FS
-static const char *osd_counter_names[LPROC_OSD_NR] = {
-};
+void osd_brw_stats_update(struct osd_device *osd, struct osd_iobuf *iobuf)
+{
+ struct brw_stats *s = &osd->od_brw_stats;
+ sector_t *last_block = NULL;
+ struct page **pages = iobuf->dr_pages;
+ struct page *last_page = NULL;
+ unsigned long discont_pages = 0;
+ unsigned long discont_blocks = 0;
+ sector_t *blocks = iobuf->dr_blocks;
+ int i, nr_pages = iobuf->dr_npages;
+ int blocks_per_page;
+ int rw = iobuf->dr_rw;
+
+ if (unlikely(nr_pages == 0))
+ return;
+
+ blocks_per_page = PAGE_SIZE >> osd_sb(osd)->s_blocksize_bits;
+
+ lprocfs_oh_tally_log2(&s->hist[BRW_R_PAGES+rw], nr_pages);
+
+ while (nr_pages-- > 0) {
+ if (last_page && (*pages)->index != (last_page->index + 1))
+ discont_pages++;
+ last_page = *pages;
+ pages++;
+ for (i = 0; i < blocks_per_page; i++) {
+ if (last_block && *blocks != (*last_block + 1))
+ discont_blocks++;
+ last_block = blocks++;
+ }
+ }
-int osd_procfs_init(struct osd_device *osd, const char *name)
+ lprocfs_oh_tally(&s->hist[BRW_R_DISCONT_PAGES+rw], discont_pages);
+ lprocfs_oh_tally(&s->hist[BRW_R_DISCONT_BLOCKS+rw], discont_blocks);
+}
+
+static void display_brw_stats(struct seq_file *seq, char *name, char *units,
+ struct obd_histogram *read, struct obd_histogram *write, int scale)
+{
+ unsigned long read_tot, write_tot, r, w, read_cum = 0, write_cum = 0;
+ int i;
+
+ seq_printf(seq, "\n%26s read | write\n", " ");
+ seq_printf(seq, "%-22s %-5s %% cum %% | %-11s %% cum %%\n",
+ name, units, units);
+
+ read_tot = lprocfs_oh_sum(read);
+ write_tot = lprocfs_oh_sum(write);
+ for (i = 0; i < OBD_HIST_MAX; i++) {
+ r = read->oh_buckets[i];
+ w = write->oh_buckets[i];
+ read_cum += r;
+ write_cum += w;
+ if (read_cum == 0 && write_cum == 0)
+ continue;
+
+ if (!scale)
+ seq_printf(seq, "%u", i);
+ else if (i < 10)
+ seq_printf(seq, "%u", scale << i);
+ else if (i < 20)
+ seq_printf(seq, "%uK", scale << (i-10));
+ else
+ seq_printf(seq, "%uM", scale << (i-20));
+
+ seq_printf(seq, ":\t\t%10lu %3u %3u | %4lu %3u %3u\n",
+ r, pct(r, read_tot), pct(read_cum, read_tot),
+ w, pct(w, write_tot), pct(write_cum, write_tot));
+
+ if (read_cum == read_tot && write_cum == write_tot)
+ break;
+ }
+}
+
+static void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
+{
+ struct timespec64 now;
+
+ /* this sampling races with updates */
+ ktime_get_real_ts64(&now);
+
+ seq_printf(seq, "snapshot_time: %lld.%09ld (secs.nsecs)\n",
+ (s64)now.tv_sec, now.tv_nsec);
+
+ display_brw_stats(seq, "pages per bulk r/w", "rpcs",
+ &brw_stats->hist[BRW_R_PAGES],
+ &brw_stats->hist[BRW_W_PAGES], 1);
+
+ display_brw_stats(seq, "discontiguous pages", "rpcs",
+ &brw_stats->hist[BRW_R_DISCONT_PAGES],
+ &brw_stats->hist[BRW_W_DISCONT_PAGES], 0);
+
+ display_brw_stats(seq, "discontiguous blocks", "rpcs",
+ &brw_stats->hist[BRW_R_DISCONT_BLOCKS],
+ &brw_stats->hist[BRW_W_DISCONT_BLOCKS], 0);
+
+ display_brw_stats(seq, "disk fragmented I/Os", "ios",
+ &brw_stats->hist[BRW_R_DIO_FRAGS],
+ &brw_stats->hist[BRW_W_DIO_FRAGS], 0);
+
+ display_brw_stats(seq, "disk I/Os in flight", "ios",
+ &brw_stats->hist[BRW_R_RPC_HIST],
+ &brw_stats->hist[BRW_W_RPC_HIST], 0);
+
+ display_brw_stats(seq, "I/O time (1/1000s)", "ios",
+ &brw_stats->hist[BRW_R_IO_TIME],
+ &brw_stats->hist[BRW_W_IO_TIME], 1);
+
+ display_brw_stats(seq, "disk I/O size", "ios",
+ &brw_stats->hist[BRW_R_DISK_IOSIZE],
+ &brw_stats->hist[BRW_W_DISK_IOSIZE], 1);
+}
+
+static int osd_brw_stats_seq_show(struct seq_file *seq, void *v)
+{
+ struct osd_device *osd = seq->private;
+
+ brw_stats_show(seq, &osd->od_brw_stats);
+
+ return 0;
+}
+
+static ssize_t osd_brw_stats_seq_write(struct file *file,
+ const char __user *buf,
+ size_t len, loff_t *off)
+{
+ struct seq_file *seq = file->private_data;
+ struct osd_device *osd = seq->private;
+ int i;
+
+ for (i = 0; i < BRW_LAST; i++)
+ lprocfs_oh_clear(&osd->od_brw_stats.hist[i]);
+
+ return len;
+}
+
+LPROC_SEQ_FOPS(osd_brw_stats);
+
+static int osd_stats_init(struct osd_device *osd)
{
- struct lprocfs_static_vars lvars;
- struct lu_device *ld = &osd->od_dt_dev.dd_lu_dev;
- struct obd_type *type;
- int rc;
+ int i, result;
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);
- }
+ for (i = 0; i < BRW_LAST; i++)
+ spin_lock_init(&osd->od_brw_stats.hist[i].oh_lock);
+
+ osd->od_stats = lprocfs_alloc_stats(LPROC_OSD_LAST, 0);
+ if (osd->od_stats != NULL) {
+ result = lprocfs_register_stats(osd->od_proc_entry, "stats",
+ osd->od_stats);
+ if (result)
+ GOTO(out, result);
+
+ lprocfs_counter_init(osd->od_stats, LPROC_OSD_GET_PAGE,
+ LPROCFS_CNTR_AVGMINMAX|LPROCFS_CNTR_STDDEV,
+ "get_page", "usec");
+ lprocfs_counter_init(osd->od_stats, LPROC_OSD_NO_PAGE,
+ LPROCFS_CNTR_AVGMINMAX,
+ "get_page_failures", "num");
+ lprocfs_counter_init(osd->od_stats, LPROC_OSD_CACHE_ACCESS,
+ LPROCFS_CNTR_AVGMINMAX,
+ "cache_access", "pages");
+ lprocfs_counter_init(osd->od_stats, LPROC_OSD_CACHE_HIT,
+ LPROCFS_CNTR_AVGMINMAX,
+ "cache_hit", "pages");
+ lprocfs_counter_init(osd->od_stats, LPROC_OSD_CACHE_MISS,
+ LPROCFS_CNTR_AVGMINMAX,
+ "cache_miss", "pages");
+#if OSD_THANDLE_STATS
+ lprocfs_counter_init(osd->od_stats, LPROC_OSD_THANDLE_STARTING,
+ LPROCFS_CNTR_AVGMINMAX,
+ "thandle starting", "usec");
+ lprocfs_counter_init(osd->od_stats, LPROC_OSD_THANDLE_OPEN,
+ LPROCFS_CNTR_AVGMINMAX,
+ "thandle open", "usec");
+ lprocfs_counter_init(osd->od_stats, LPROC_OSD_THANDLE_CLOSING,
+ LPROCFS_CNTR_AVGMINMAX,
+ "thandle closing", "usec");
+#endif
+ result = lprocfs_seq_create(osd->od_proc_entry, "brw_stats",
+ 0644, &osd_brw_stats_fops, osd);
+ } else
+ result = -ENOMEM;
- 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;
+ RETURN(result);
}
-int osd_procfs_fini(struct osd_device *osd)
+static int ldiskfs_osd_fstype_seq_show(struct seq_file *m, void *data)
{
- if (osd->od_stats)
- lu_time_fini(&osd->od_stats);
+ struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
- if (osd->od_proc_entry) {
- lprocfs_remove(&osd->od_proc_entry);
- osd->od_proc_entry = NULL;
- }
- RETURN(0);
+ LASSERT(osd != NULL);
+ seq_puts(m, "ldiskfs\n");
+ return 0;
}
+LPROC_SEQ_FOPS_RO(ldiskfs_osd_fstype);
-void osd_lprocfs_time_start(const struct lu_env *env)
+static int ldiskfs_osd_mntdev_seq_show(struct seq_file *m, void *data)
{
- lu_lprocfs_time_start(env);
+ struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ seq_printf(m, "%s\n", osd->od_mntdev);
+ return 0;
}
+LPROC_SEQ_FOPS_RO(ldiskfs_osd_mntdev);
-void osd_lprocfs_time_end(const struct lu_env *env, struct osd_device *osd,
- int idx)
+static int ldiskfs_osd_cache_seq_show(struct seq_file *m, void *data)
{
- lu_lprocfs_time_end(env, osd->od_stats, idx);
+ struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ seq_printf(m, "%u\n", osd->od_read_cache);
+ return 0;
+}
+
+static ssize_t
+ldiskfs_osd_cache_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *osd = osd_dt_dev(dt);
+ bool val;
+ int rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = kstrtobool_from_user(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ osd->od_read_cache = val;
+ return count;
}
+LPROC_SEQ_FOPS(ldiskfs_osd_cache);
+static int ldiskfs_osd_wcache_seq_show(struct seq_file *m, void *data)
+{
+ struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+ seq_printf(m, "%u\n", osd->od_writethrough_cache);
+ return 0;
+}
-int lprocfs_osd_rd_blksize(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t
+ldiskfs_osd_wcache_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- 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;
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *osd = osd_dt_dev(dt);
+ bool val;
+ int rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = kstrtobool_from_user(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ osd->od_writethrough_cache = val;
+ return count;
}
+LPROC_SEQ_FOPS(ldiskfs_osd_wcache);
-int lprocfs_osd_rd_kbytestotal(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t
+lprocfs_osd_force_sync_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- 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;
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *osd = osd_dt_dev(dt);
+ struct lu_env env;
+ int rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = lu_env_init(&env, LCT_LOCAL);
+ if (rc)
+ return rc;
+ rc = dt_sync(&env, dt);
+ lu_env_fini(&env);
+
+ return rc == 0 ? count : rc;
+}
+LPROC_SEQ_FOPS_WR_ONLY(ldiskfs, osd_force_sync);
- while (blk_size >>= 1)
- result <<= 1;
+static int ldiskfs_osd_pdo_seq_show(struct seq_file *m, void *data)
+{
+ seq_printf(m, "%s\n", ldiskfs_pdo ? "ON" : "OFF");
+ return 0;
+}
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
- }
- return rc;
+static ssize_t
+ldiskfs_osd_pdo_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ bool pdo;
+ int rc;
+
+ rc = kstrtobool_from_user(buffer, count, &pdo);
+ if (rc != 0)
+ return rc;
+
+ ldiskfs_pdo = pdo;
+
+ return count;
}
+LPROC_SEQ_FOPS(ldiskfs_osd_pdo);
-int lprocfs_osd_rd_kbytesfree(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int ldiskfs_osd_auto_scrub_seq_show(struct seq_file *m, 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;
+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
- while (blk_size >>= 1)
- result <<= 1;
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
- }
- return rc;
+ seq_printf(m, "%lld\n", dev->od_auto_scrub_interval);
+ return 0;
+}
+
+static ssize_t
+ldiskfs_osd_auto_scrub_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *dev = osd_dt_dev(dt);
+ s64 val;
+ int rc;
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = kstrtoll_from_user(buffer, count, 0, &val);
+ if (rc)
+ return rc;
+
+ dev->od_auto_scrub_interval = val;
+ return count;
}
+LPROC_SEQ_FOPS(ldiskfs_osd_auto_scrub);
-int lprocfs_osd_rd_kbytesavail(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int ldiskfs_osd_full_scrub_ratio_seq_show(struct seq_file *m, 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;
+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
- while (blk_size >>= 1)
- result <<= 1;
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
- }
- return rc;
+ seq_printf(m, "%llu\n", dev->od_full_scrub_ratio);
+ return 0;
}
-int lprocfs_osd_rd_filestotal(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t
+ldiskfs_osd_full_scrub_ratio_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- 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);
- }
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *dev = osd_dt_dev(dt);
+ s64 val;
+ int rc;
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
- return rc;
+ rc = kstrtoll_from_user(buffer, count, 0, &val);
+ if (rc != 0)
+ return rc;
+
+ if (val < 0)
+ return -EINVAL;
+
+ dev->od_full_scrub_ratio = val;
+ return count;
}
+LPROC_SEQ_FOPS(ldiskfs_osd_full_scrub_ratio);
-int lprocfs_osd_rd_filesfree(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int ldiskfs_osd_full_scrub_threshold_rate_seq_show(struct seq_file *m,
+ 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;
+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ seq_printf(m, "%llu (bad OI mappings/minute)\n",
+ dev->od_full_scrub_threshold_rate);
+ return 0;
}
-int lprocfs_osd_rd_fstype(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t
+ldiskfs_osd_full_scrub_threshold_rate_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *osd = data;
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *dev = osd_dt_dev(dt);
+ u64 val;
+ int rc;
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = kstrtoull_from_user(buffer, count, 0, &val);
+ if (rc != 0)
+ return rc;
+
+ dev->od_full_scrub_threshold_rate = val;
+ return count;
+}
+LPROC_SEQ_FOPS(ldiskfs_osd_full_scrub_threshold_rate);
- LASSERT(osd != NULL);
- return snprintf(page, count, "ldiskfs\n");
+static int
+ldiskfs_osd_track_declares_assert_seq_show(struct seq_file *m, void *data)
+{
+ seq_printf(m, "%d\n", ldiskfs_track_declares_assert);
+ return 0;
}
-static int lprocfs_osd_rd_mntdev(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t
+ldiskfs_osd_track_declares_assert_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct osd_device *osd = data;
+ bool track_declares_assert;
+ int rc;
+
+ rc = kstrtobool_from_user(buffer, count, &track_declares_assert);
+ if (rc)
+ return rc;
- LASSERT(osd != NULL);
- LASSERT(osd->od_mount->lmi_mnt->mnt_devname);
- *eof = 1;
+ ldiskfs_track_declares_assert = track_declares_assert;
- return snprintf(page, count, "%s\n",
- osd->od_mount->lmi_mnt->mnt_devname);
+ return count;
}
+LPROC_SEQ_FOPS(ldiskfs_osd_track_declares_assert);
+
+static int ldiskfs_osd_oi_scrub_seq_show(struct seq_file *m, void *data)
+{
+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ osd_scrub_dump(m, dev);
+ return 0;
+}
+LPROC_SEQ_FOPS_RO(ldiskfs_osd_oi_scrub);
+
+static int ldiskfs_osd_readcache_seq_show(struct seq_file *m, void *data)
+{
+ struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ seq_printf(m, "%llu\n", osd->od_readcache_max_filesize);
+ return 0;
+}
+
+static ssize_t
+ldiskfs_osd_readcache_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *osd = osd_dt_dev(dt);
+ s64 val;
+ int rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &val, '1');
+ if (rc)
+ return rc;
+ if (val < 0)
+ return -ERANGE;
+
+ osd->od_readcache_max_filesize = val > OSD_MAX_CACHE_SIZE ?
+ OSD_MAX_CACHE_SIZE : val;
+ return count;
+}
+LPROC_SEQ_FOPS(ldiskfs_osd_readcache);
+
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 52, 0)
+static int ldiskfs_osd_index_in_idif_seq_show(struct seq_file *m, void *data)
+{
+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ seq_printf(m, "%d\n", (int)(dev->od_index_in_idif));
+ return 0;
+}
+
+static ssize_t
+ldiskfs_osd_index_in_idif_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct lu_env env;
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *dev = osd_dt_dev(dt);
+ struct lu_target *tgt;
+ bool val;
+ int rc;
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = kstrtobool_from_user(buffer, count, &val);
+ if (rc != 0)
+ return rc;
+
+ if (dev->od_index_in_idif) {
+ if (val)
+ return count;
+
+ LCONSOLE_WARN("%s: OST-index in IDIF has been enabled, "
+ "it cannot be reverted back.\n", osd_name(dev));
+ return -EPERM;
+ }
+
+ if (!val)
+ return count;
+
+ rc = lu_env_init(&env, LCT_DT_THREAD);
+ if (rc != 0)
+ return rc;
+
+ tgt = dev->od_dt_dev.dd_lu_dev.ld_site->ls_tgt;
+ tgt->lut_lsd.lsd_feature_rocompat |= OBD_ROCOMPAT_IDX_IN_IDIF;
+ rc = tgt_server_data_update(&env, tgt, 1);
+ lu_env_fini(&env);
+ if (rc < 0)
+ return rc;
+
+ LCONSOLE_INFO("%s: enable OST-index in IDIF successfully, "
+ "it cannot be reverted back.\n", osd_name(dev));
+
+ dev->od_index_in_idif = 1;
+ return count;
+}
+LPROC_SEQ_FOPS(ldiskfs_osd_index_in_idif);
+
+int osd_register_proc_index_in_idif(struct osd_device *osd)
+{
+ struct proc_dir_entry *proc;
+
+ proc = proc_create_data("index_in_idif", 0, osd->od_proc_entry,
+ &ldiskfs_osd_index_in_idif_fops,
+ &osd->od_dt_dev);
+ if (proc == NULL)
+ return -ENOMEM;
+
+ return 0;
+}
+#endif
+
+static int ldiskfs_osd_index_backup_seq_show(struct seq_file *m, void *data)
+{
+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ seq_printf(m, "%d\n", dev->od_index_backup_policy);
+ return 0;
+}
+
+static ssize_t ldiskfs_osd_index_backup_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *dev = osd_dt_dev(dt);
+ int val;
+ int rc;
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = kstrtoint_from_user(buffer, count, 0, &val);
+ if (rc)
+ return rc;
+
+ dev->od_index_backup_policy = val;
+ return count;
+}
+LPROC_SEQ_FOPS(ldiskfs_osd_index_backup);
+
+LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_blksize);
+LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytestotal);
+LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytesfree);
+LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytesavail);
+LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_filestotal);
+LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_filesfree);
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 }
+ { .name = "blocksize",
+ .fops = &ldiskfs_dt_blksize_fops },
+ { .name = "kbytestotal",
+ .fops = &ldiskfs_dt_kbytestotal_fops },
+ { .name = "kbytesfree",
+ .fops = &ldiskfs_dt_kbytesfree_fops },
+ { .name = "kbytesavail",
+ .fops = &ldiskfs_dt_kbytesavail_fops },
+ { .name = "filestotal",
+ .fops = &ldiskfs_dt_filestotal_fops },
+ { .name = "filesfree",
+ .fops = &ldiskfs_dt_filesfree_fops },
+ { .name = "fstype",
+ .fops = &ldiskfs_osd_fstype_fops },
+ { .name = "mntdev",
+ .fops = &ldiskfs_osd_mntdev_fops },
+ { .name = "force_sync",
+ .fops = &ldiskfs_osd_force_sync_fops },
+ { .name = "pdo",
+ .fops = &ldiskfs_osd_pdo_fops },
+ { .name = "auto_scrub",
+ .fops = &ldiskfs_osd_auto_scrub_fops },
+ { .name = "full_scrub_ratio",
+ .fops = &ldiskfs_osd_full_scrub_ratio_fops },
+ { .name = "full_scrub_threshold_rate",
+ .fops = &ldiskfs_osd_full_scrub_threshold_rate_fops },
+ { .name = "oi_scrub",
+ .fops = &ldiskfs_osd_oi_scrub_fops },
+ { .name = "read_cache_enable",
+ .fops = &ldiskfs_osd_cache_fops },
+ { .name = "writethrough_cache_enable",
+ .fops = &ldiskfs_osd_wcache_fops },
+ { .name = "readcache_max_filesize",
+ .fops = &ldiskfs_osd_readcache_fops },
+ { .name = "index_backup",
+ .fops = &ldiskfs_osd_index_backup_fops },
+ { NULL }
};
struct lprocfs_vars lprocfs_osd_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
+ { .name = "track_declares_assert",
+ .fops = &ldiskfs_osd_track_declares_assert_fops },
+ { NULL }
};
-void lprocfs_osd_init_vars(struct lprocfs_static_vars *lvars)
+
+int osd_procfs_init(struct osd_device *osd, const char *name)
{
- lvars->module_vars = lprocfs_osd_module_vars;
- lvars->obd_vars = lprocfs_osd_obd_vars;
+ struct obd_type *type;
+ int rc;
+ ENTRY;
+
+ if (osd->od_proc_entry)
+ RETURN(0);
+
+ /* 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_OSD_LDISKFS_NAME);
+
+ LASSERT(name != NULL);
+ LASSERT(type != NULL);
+
+ /* Find the type procroot and add the proc entry for this device */
+ osd->od_proc_entry = lprocfs_register(name, type->typ_procroot,
+ lprocfs_osd_obd_vars,
+ &osd->od_dt_dev);
+ 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 = osd_stats_init(osd);
+
+ EXIT;
+out:
+ if (rc)
+ osd_procfs_fini(osd);
+ return rc;
+}
+
+int osd_procfs_fini(struct osd_device *osd)
+{
+ if (osd->od_stats)
+ lprocfs_free_stats(&osd->od_stats);
+
+ if (osd->od_proc_entry)
+ lprocfs_remove(&osd->od_proc_entry);
+ RETURN(0);
}
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff