-/* -*- 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/
- * Lustre is a trademark of Sun Microsystems, Inc.
*
* lustre/osd/osd_lproc.c
*
* 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
+void osd_brw_stats_update(struct osd_device *osd, struct osd_iobuf *iobuf)
+{
+ struct brw_stats *bs = &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(&bs->bs_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++;
+ }
+ }
+
+ lprocfs_oh_tally(&bs->bs_hist[BRW_R_DISCONT_PAGES+rw], discont_pages);
+ lprocfs_oh_tally(&bs->bs_hist[BRW_R_DISCONT_BLOCKS+rw], discont_blocks);
+}
-static const char *osd_counter_names[LPROC_OSD_NR] = {
+static int osd_stats_init(struct osd_device *osd)
+{
+ int result = -ENOMEM;
+
+ ENTRY;
+ osd->od_stats = lprocfs_alloc_stats(LPROC_OSD_LAST, 0);
+ if (osd->od_stats) {
+ 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
- [LPROC_OSD_THANDLE_STARTING] = "thandle starting",
- [LPROC_OSD_THANDLE_OPEN] = "thandle open",
- [LPROC_OSD_THANDLE_CLOSING] = "thandle closing"
+ 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 = 0;
+ }
-int osd_procfs_init(struct osd_device *osd, const char *name)
+ ldebugfs_register_osd_stats(osd->od_dt_dev.dd_debugfs_entry,
+ &osd->od_brw_stats, osd->od_stats);
+
+ RETURN(result);
+}
+
+static ssize_t fstype_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- 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;
+ return sprintf(buf, "ldiskfs\n");
}
+LUSTRE_RO_ATTR(fstype);
-int osd_procfs_fini(struct osd_device *osd)
+static ssize_t mntdev_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ return -EINPROGRESS;
+
+ return sprintf(buf, "%s\n", osd->od_mntdev);
+}
+LUSTRE_RO_ATTR(mntdev);
+
+static ssize_t read_cache_enable_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ return -EINPROGRESS;
+
+ return sprintf(buf, "%u\n", osd->od_read_cache);
+}
+
+static ssize_t read_cache_enable_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+ bool val;
+ int rc;
+
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ return -EINPROGRESS;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
+
+ osd->od_read_cache = !!val;
+ return count;
+}
+LUSTRE_RW_ATTR(read_cache_enable);
+
+static ssize_t writethrough_cache_enable_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ return -EINPROGRESS;
+
+ return sprintf(buf, "%u\n", osd->od_writethrough_cache);
+}
+
+static ssize_t writethrough_cache_enable_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+ bool val;
+ int rc;
+
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ return -EINPROGRESS;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
+
+ osd->od_writethrough_cache = !!val;
+ return count;
+}
+LUSTRE_RW_ATTR(writethrough_cache_enable);
+
+static ssize_t fallocate_zero_blocks_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ return -EINPROGRESS;
+
+ return scnprintf(buf, PAGE_SIZE, "%d\n", osd->od_fallocate_zero_blocks);
+}
+
+/*
+ * Set how fallocate() interacts with the backing filesystem:
+ * -1: fallocate is disabled and returns -EOPNOTSUPP
+ * 0: fallocate allocates unwritten extents (like ext4)
+ * 1: fallocate zeroes allocated extents on disk
+ */
+static ssize_t fallocate_zero_blocks_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+ long val;
+ int rc;
+
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ return -EINPROGRESS;
+
+ rc = kstrtol(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ if (val < -1 || val > 1)
+ return -EINVAL;
+
+ osd->od_fallocate_zero_blocks = val;
+ return count;
+}
+LUSTRE_RW_ATTR(fallocate_zero_blocks);
+
+ssize_t force_sync_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+ struct lu_env env;
+ int rc;
+
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ 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;
+}
+LUSTRE_WO_ATTR(force_sync);
+
+static ssize_t nonrotational_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- if (osd->od_stats)
- lu_time_fini(&osd->od_stats);
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ return -EINPROGRESS;
- if (osd->od_proc_entry) {
- lprocfs_remove(&osd->od_proc_entry);
- osd->od_proc_entry = NULL;
- }
- RETURN(0);
+ return sprintf(buf, "%u\n", osd->od_nonrotational);
+}
+
+static ssize_t nonrotational_store(struct kobject *kobj,
+ struct attribute *attr, const char *buffer,
+ size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+ bool val;
+ int rc;
+
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ return -EINPROGRESS;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
+
+ osd->od_nonrotational = val;
+ return count;
}
+LUSTRE_RW_ATTR(nonrotational);
-void osd_lprocfs_time_start(const struct lu_env *env)
+static ssize_t pdo_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- lu_lprocfs_time_start(env);
+ return sprintf(buf, "%s\n", ldiskfs_pdo ? "ON" : "OFF");
}
-void osd_lprocfs_time_end(const struct lu_env *env, struct osd_device *osd,
- int idx)
+static ssize_t pdo_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- lu_lprocfs_time_end(env, osd->od_stats, idx);
+ bool pdo;
+ int rc;
+
+ rc = kstrtobool(buffer, &pdo);
+ if (rc != 0)
+ return rc;
+
+ ldiskfs_pdo = pdo;
+
+ return count;
}
+LUSTRE_RW_ATTR(pdo);
+static ssize_t auto_scrub_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
+
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
+
+ return scnprintf(buf, PAGE_SIZE, "%lld\n",
+ dev->od_scrub.os_scrub.os_auto_scrub_interval);
+}
+static ssize_t auto_scrub_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
+ s64 val;
+ int rc;
+
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
+
+ rc = kstrtoll(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ dev->od_scrub.os_scrub.os_auto_scrub_interval = val;
+ return count;
+}
+LUSTRE_RW_ATTR(auto_scrub);
-int lprocfs_osd_rd_blksize(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t full_scrub_ratio_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct osd_device *osd = data;
- int rc;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
- if (unlikely(osd->od_mount == NULL))
- return -EINPROGRESS;
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
- 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;
+ return sprintf(buf, "%llu\n", dev->od_full_scrub_ratio);
}
-int lprocfs_osd_rd_kbytestotal(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t full_scrub_ratio_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct osd_device *osd = data;
- int rc;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
+ s64 val;
+ int rc;
- if (unlikely(osd->od_mount == NULL))
- return -EINPROGRESS;
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
- 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;
+ rc = kstrtoll(buffer, 0, &val);
+ if (rc)
+ return rc;
- while (blk_size >>= 1)
- result <<= 1;
+ if (val < 0)
+ return -EINVAL;
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
- }
- return rc;
+ dev->od_full_scrub_ratio = val;
+ return count;
}
+LUSTRE_RW_ATTR(full_scrub_ratio);
-int lprocfs_osd_rd_kbytesfree(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t full_scrub_threshold_rate_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct osd_device *osd = data;
- int rc;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
- if (unlikely(osd->od_mount == NULL))
- return -EINPROGRESS;
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
- 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;
+ return sprintf(buf, "%llu (bad OI mappings/minute)\n",
+ dev->od_full_scrub_threshold_rate);
+}
- while (blk_size >>= 1)
- result <<= 1;
+static ssize_t full_scrub_threshold_rate_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
+ u64 val;
+ int rc;
+
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
+
+ rc = kstrtoull(buffer, 0, &val);
+ if (rc != 0)
+ return rc;
+
+ dev->od_full_scrub_threshold_rate = val;
+ return count;
+}
+LUSTRE_RW_ATTR(full_scrub_threshold_rate);
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
- }
- return rc;
+static ssize_t extent_bytes_allocation_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
+ int i;
+ unsigned int min = (unsigned int)(~0), cur;
+
+ for_each_online_cpu(i) {
+ cur = *per_cpu_ptr(dev->od_extent_bytes_percpu, i);
+ if (cur < min)
+ min = cur;
+ }
+ return snprintf(buf, PAGE_SIZE, "%u\n", min);
}
+LUSTRE_RO_ATTR(extent_bytes_allocation);
-int lprocfs_osd_rd_kbytesavail(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int ldiskfs_osd_oi_scrub_seq_show(struct seq_file *m, void *data)
{
- struct osd_device *osd = data;
- int rc;
+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
- if (unlikely(osd->od_mount == NULL))
- return -EINPROGRESS;
+ osd_scrub_dump(m, dev);
+ return 0;
+}
+
+LDEBUGFS_SEQ_FOPS_RO(ldiskfs_osd_oi_scrub);
- 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;
+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);
- while (blk_size >>= 1)
- result <<= 1;
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
- }
- return rc;
+ seq_printf(m, "%llu\n", osd->od_readcache_max_filesize);
+ 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_readcache_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct osd_device *osd = data;
- int rc;
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *osd = osd_dt_dev(dt);
+ char kernbuf[22] = "";
+ u64 val;
+ int rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ if (count >= sizeof(kernbuf))
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+ kernbuf[count] = 0;
+
+ rc = sysfs_memparse(kernbuf, count, &val, "B");
+ if (rc < 0)
+ return rc;
+
+ osd->od_readcache_max_filesize = val > OSD_MAX_CACHE_SIZE ?
+ OSD_MAX_CACHE_SIZE : val;
+ return count;
+}
- if (unlikely(osd->od_mount == NULL))
- return -EINPROGRESS;
+LDEBUGFS_SEQ_FOPS(ldiskfs_osd_readcache);
- 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);
- }
+static int ldiskfs_osd_readcache_max_io_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;
- return rc;
+ seq_printf(m, "%lu\n", osd->od_readcache_max_iosize >> 20);
+ return 0;
}
-int lprocfs_osd_rd_filesfree(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t
+ldiskfs_osd_readcache_max_io_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct osd_device *osd = data;
- int rc;
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *osd = osd_dt_dev(dt);
+ char kernbuf[22] = "";
+ u64 val;
+ int rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ if (count >= sizeof(kernbuf))
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+ kernbuf[count] = 0;
+
+ rc = sysfs_memparse(kernbuf, count, &val, "MiB");
+ if (rc < 0)
+ return rc;
+
+ if (val > PTLRPC_MAX_BRW_SIZE)
+ return -ERANGE;
+ osd->od_readcache_max_iosize = val;
+ return count;
+}
- if (unlikely(osd->od_mount == NULL))
- return -EINPROGRESS;
+LDEBUGFS_SEQ_FOPS(ldiskfs_osd_readcache_max_io);
- 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;
+static int ldiskfs_osd_writethrough_max_io_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, "%lu\n", osd->od_writethrough_max_iosize >> 20);
+ 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_writethrough_max_io_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);
+ char kernbuf[22] = "";
+ u64 val;
+ int rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ if (count >= sizeof(kernbuf))
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+ kernbuf[count] = 0;
+
+ rc = sysfs_memparse(kernbuf, count, &val, "MiB");
+ if (rc < 0)
+ return rc;
+
+ if (val > PTLRPC_MAX_BRW_SIZE)
+ return -ERANGE;
+ osd->od_writethrough_max_iosize = val;
+ return count;
+}
+
+LDEBUGFS_SEQ_FOPS(ldiskfs_osd_writethrough_max_io);
+
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 52, 0)
+static ssize_t index_in_idif_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *osd = data;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
- LASSERT(osd != NULL);
- return snprintf(page, count, "ldiskfs\n");
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
+
+ return sprintf(buf, "%d\n", (int)(dev->od_index_in_idif));
}
-static int lprocfs_osd_rd_mntdev(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t index_in_idif_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct osd_device *osd = data;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
+ struct lu_target *tgt;
+ struct lu_env env;
+ bool val;
+ int rc;
+
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ 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)
+ 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;
+}
+LUSTRE_RW_ATTR(index_in_idif);
- LASSERT(osd != NULL);
- if (unlikely(osd->od_mount == NULL))
- return -EINPROGRESS;
+int osd_register_proc_index_in_idif(struct osd_device *osd)
+{
+ struct dt_device *dt = &osd->od_dt_dev;
- LASSERT(osd->od_mount->lmi_mnt->mnt_devname);
- *eof = 1;
+ return sysfs_create_file(&dt->dd_kobj, &lustre_attr_index_in_idif.attr);
+}
+#endif
+
+static ssize_t index_backup_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
- return snprintf(page, count, "%s\n",
- osd->od_mount->lmi_mnt->mnt_devname);
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
+
+ return sprintf(buf, "%d\n", dev->od_index_backup_policy);
}
-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 }
+ssize_t index_backup_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
+ int val;
+ int rc;
+
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
+
+ rc = kstrtoint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ dev->od_index_backup_policy = val;
+ return count;
+}
+LUSTRE_RW_ATTR(index_backup);
+
+struct ldebugfs_vars ldebugfs_osd_obd_vars[] = {
+ { .name = "oi_scrub",
+ .fops = &ldiskfs_osd_oi_scrub_fops },
+ { .name = "readcache_max_filesize",
+ .fops = &ldiskfs_osd_readcache_fops },
+ { .name = "readcache_max_io_mb",
+ .fops = &ldiskfs_osd_readcache_max_io_fops },
+ { .name = "writethrough_max_io_mb",
+ .fops = &ldiskfs_osd_writethrough_max_io_fops },
+ { NULL }
};
-struct lprocfs_vars lprocfs_osd_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
+static struct attribute *ldiskfs_attrs[] = {
+ &lustre_attr_read_cache_enable.attr,
+ &lustre_attr_writethrough_cache_enable.attr,
+ &lustre_attr_fstype.attr,
+ &lustre_attr_mntdev.attr,
+ &lustre_attr_fallocate_zero_blocks.attr,
+ &lustre_attr_force_sync.attr,
+ &lustre_attr_nonrotational.attr,
+ &lustre_attr_index_backup.attr,
+ &lustre_attr_auto_scrub.attr,
+ &lustre_attr_pdo.attr,
+ &lustre_attr_full_scrub_ratio.attr,
+ &lustre_attr_full_scrub_threshold_rate.attr,
+ &lustre_attr_extent_bytes_allocation.attr,
+ 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;
+
+ /* 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);
+ LASSERT(type);
+
+ CDEBUG(D_CONFIG, "%s: register osd-ldiskfs tunable parameters\n", name);
+
+ /* put reference taken by class_search_type */
+ kobject_put(&type->typ_kobj);
+
+ osd->od_dt_dev.dd_ktype.default_attrs = ldiskfs_attrs;
+ rc = dt_tunables_init(&osd->od_dt_dev, type, name,
+ ldebugfs_osd_obd_vars);
+ if (rc) {
+ CERROR("%s: cannot setup sysfs / debugfs entry: %d\n",
+ name, rc);
+ GOTO(out, rc);
+ }
+
+ if (osd->od_proc_entry)
+ RETURN(0);
+
+ /* Find the type procroot and add the proc entry for this device */
+ osd->od_proc_entry = lprocfs_register(name, type->typ_procroot,
+ NULL, &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 dt_tunables_fini(&osd->od_dt_dev);
}
-#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff