*
* 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, 2012, Intel Corporation.
+ * 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 <lustre/lustre_idl.h>
#include "osd_internal.h"
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
void osd_brw_stats_update(struct osd_device *osd, struct osd_iobuf *iobuf)
{
struct brw_stats *s = &osd->od_brw_stats;
- unsigned long *last_block = NULL;
+ 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;
- unsigned long *blocks = iobuf->dr_blocks;
+ 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 = CFS_PAGE_SIZE >> osd_sb(osd)->s_blocksize_bits;
+ blocks_per_page = PAGE_SIZE >> osd_sb(osd)->s_blocksize_bits;
lprocfs_oh_tally_log2(&s->hist[BRW_R_PAGES+rw], nr_pages);
lprocfs_oh_tally(&s->hist[BRW_R_DISCONT_BLOCKS+rw], discont_blocks);
}
-#define pct(a, b) (b ? a * 100 / b : 0)
-
static void display_brw_stats(struct seq_file *seq, char *name, char *units,
struct obd_histogram *read, struct obd_histogram *write, int scale)
{
else
seq_printf(seq, "%uM", scale << (i-20));
- seq_printf(seq, ":\t\t%10lu %3lu %3lu | %4lu %3lu %3lu\n",
+ 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));
static void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
{
- struct timeval now;
+ struct timespec64 now;
- /* this sampling races with updates */
- cfs_gettimeofday(&now);
- seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
- now.tv_sec, now.tv_usec);
+ /* 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_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], 1000 / CFS_HZ);
+ 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);
}
-#undef pct
-
static int osd_brw_stats_seq_show(struct seq_file *seq, void *v)
{
struct osd_device *osd = seq->private;
return 0;
}
-static ssize_t osd_brw_stats_seq_write(struct file *file, const char *buf,
- size_t len, loff_t *off)
+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 seq_file *seq = file->private_data;
struct osd_device *osd = seq->private;
int i;
LPROCFS_CNTR_AVGMINMAX,
"thandle closing", "usec");
#endif
- lprocfs_seq_create(osd->od_proc_entry, "brw_stats",
- 0644, &osd_brw_stats_fops, osd);
+ result = lprocfs_seq_create(osd->od_proc_entry, "brw_stats",
+ 0644, &osd_brw_stats_fops, osd);
} else
result = -ENOMEM;
RETURN(result);
}
-int osd_procfs_init(struct osd_device *osd, const char *name)
+static ssize_t fstype_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct lprocfs_static_vars lvars;
- 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 != 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->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;
+ 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)
{
- if (osd->od_stats)
- lprocfs_free_stats(&osd->od_stats);
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
- if (osd->od_proc_entry) {
- lprocfs_remove(&osd->od_proc_entry);
- osd->od_proc_entry = NULL;
- }
- RETURN(0);
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ return -EINPROGRESS;
+
+ return sprintf(buf, "%s\n", osd->od_mntdev);
}
+LUSTRE_RO_ATTR(mntdev);
-static int lprocfs_osd_rd_fstype(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t read_cache_enable_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct osd_device *osd = osd_dt_dev(data);
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
- LASSERT(osd != NULL);
- return snprintf(page, count, "ldiskfs\n");
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
+ return -EINPROGRESS;
+
+ return sprintf(buf, "%u\n", osd->od_read_cache);
}
-static int lprocfs_osd_rd_mntdev(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t read_cache_enable_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct osd_device *osd = osd_dt_dev(data);
-
- LASSERT(osd != NULL);
- if (unlikely(osd->od_mnt == NULL))
- return -EINPROGRESS;
+ 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;
- *eof = 1;
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
- return snprintf(page, count, "%s\n", osd->od_mntdev);
+ osd->od_read_cache = !!val;
+ return count;
}
+LUSTRE_RW_ATTR(read_cache_enable);
-static int lprocfs_osd_rd_cache(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static ssize_t writethrough_cache_enable_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct osd_device *osd = osd_dt_dev(data);
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
- LASSERT(osd != NULL);
- if (unlikely(osd->od_mnt == NULL))
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
return -EINPROGRESS;
- return snprintf(page, count, "%u\n", osd->od_read_cache);
+ return sprintf(buf, "%u\n", osd->od_writethrough_cache);
}
-static int lprocfs_osd_wr_cache(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t writethrough_cache_enable_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct osd_device *osd = osd_dt_dev(data);
- int val, rc;
-
- LASSERT(osd != NULL);
- if (unlikely(osd->od_mnt == NULL))
+ 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 = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtobool(buffer, &val);
if (rc)
return rc;
- osd->od_read_cache = !!val;
+ osd->od_writethrough_cache = !!val;
return count;
}
+LUSTRE_RW_ATTR(writethrough_cache_enable);
-static int lprocfs_osd_rd_wcache(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static ssize_t fallocate_zero_blocks_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct osd_device *osd = osd_dt_dev(data);
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
- LASSERT(osd != NULL);
- if (unlikely(osd->od_mnt == NULL))
+ LASSERT(osd);
+ if (unlikely(!osd->od_mnt))
return -EINPROGRESS;
- return snprintf(page, count, "%u\n", osd->od_writethrough_cache);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", osd->od_fallocate_zero_blocks);
}
-static int lprocfs_osd_wr_wcache(struct file *file, const char *buffer,
- unsigned long count, void *data)
+/*
+ * 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 osd_device *osd = osd_dt_dev(data);
- int val, rc;
-
- LASSERT(osd != NULL);
- if (unlikely(osd->od_mnt == NULL))
+ 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 = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtol(buffer, 0, &val);
if (rc)
return rc;
- osd->od_writethrough_cache = !!val;
+ if (val < -1 || val > 1)
+ return -EINVAL;
+
+ osd->od_fallocate_zero_blocks = val;
return count;
}
+LUSTRE_RW_ATTR(fallocate_zero_blocks);
-static int lprocfs_osd_wr_force_sync(struct file *file, const char *buffer,
- unsigned long count, void *data)
+ssize_t force_sync_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct osd_device *osd = osd_dt_dev(data);
- struct dt_device *dt = data;
- struct lu_env env;
- int rc;
-
- LASSERT(osd != NULL);
- if (unlikely(osd->od_mnt == NULL))
+ 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 int lprocfs_osd_rd_pdo(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t nonrotational_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- *eof = 1;
+ 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 snprintf(page, count, "%s\n", ldiskfs_pdo ? "ON" : "OFF");
+ return sprintf(buf, "%u\n", osd->od_nonrotational);
}
-static int lprocfs_osd_wr_pdo(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t nonrotational_store(struct kobject *kobj,
+ struct attribute *attr, const char *buffer,
+ size_t count)
{
- int pdo;
- int rc;
+ 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 = lprocfs_write_helper(buffer, count, &pdo);
- if (rc != 0)
- return rc;
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
- ldiskfs_pdo = !!pdo;
+ osd->od_nonrotational = val;
+ return count;
+}
+LUSTRE_RW_ATTR(nonrotational);
- return count;
+static ssize_t pdo_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "%s\n", ldiskfs_pdo ? "ON" : "OFF");
}
-static int lprocfs_osd_rd_auto_scrub(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static ssize_t pdo_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct osd_device *dev = osd_dt_dev(data);
+ bool pdo;
+ int rc;
- LASSERT(dev != NULL);
- if (unlikely(dev->od_mnt == NULL))
+ 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;
- *eof = 1;
- return snprintf(page, count, "%d\n", !dev->od_noscrub);
+ return sprintf(buf, "%lld\n", dev->od_auto_scrub_interval);
}
-static int lprocfs_osd_wr_auto_scrub(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t auto_scrub_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct osd_device *dev = osd_dt_dev(data);
- int val, 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;
+
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
- LASSERT(dev != NULL);
- if (unlikely(dev->od_mnt == NULL))
+ rc = kstrtoll(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ dev->od_auto_scrub_interval = val;
+ return count;
+}
+LUSTRE_RW_ATTR(auto_scrub);
+
+static ssize_t full_scrub_ratio_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 sprintf(buf, "%llu\n", dev->od_full_scrub_ratio);
+}
+
+static ssize_t full_scrub_ratio_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 = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtoll(buffer, 0, &val);
if (rc)
return rc;
- dev->od_noscrub = !val;
+ if (val < 0)
+ return -EINVAL;
+
+ dev->od_full_scrub_ratio = val;
return count;
}
+LUSTRE_RW_ATTR(full_scrub_ratio);
+
+static ssize_t full_scrub_threshold_rate_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 sprintf(buf, "%llu (bad OI mappings/minute)\n",
+ dev->od_full_scrub_threshold_rate);
+}
-static int lprocfs_osd_rd_oi_scrub(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static ssize_t full_scrub_threshold_rate_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct osd_device *dev = osd_dt_dev(data);
+ 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);
+
+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;
- *eof = 1;
- return osd_scrub_dump(dev, page, count);
+ osd_scrub_dump(m, dev);
+ return 0;
}
-int lprocfs_osd_rd_readcache(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+LDEBUGFS_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(data);
- int rc;
+ struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
LASSERT(osd != NULL);
if (unlikely(osd->od_mnt == NULL))
return -EINPROGRESS;
- rc = snprintf(page, count, LPU64"\n", osd->od_readcache_max_filesize);
- return rc;
+ seq_printf(m, "%llu\n", osd->od_readcache_max_filesize);
+ return 0;
}
-int lprocfs_osd_wr_readcache(struct file *file, const char *buffer,
- unsigned long count, 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 = osd_dt_dev(data);
- __u64 val;
- 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;
- rc = lprocfs_write_u64_helper(buffer, count, &val);
- if (rc)
+ 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 ?
return count;
}
-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 },
- { "force_sync", 0, lprocfs_osd_wr_force_sync },
- { "pdo", lprocfs_osd_rd_pdo, lprocfs_osd_wr_pdo, 0 },
- { "auto_scrub", lprocfs_osd_rd_auto_scrub,
- lprocfs_osd_wr_auto_scrub, 0 },
- { "oi_scrub", lprocfs_osd_rd_oi_scrub, 0, 0 },
- { "force_sync", 0, lprocfs_osd_wr_force_sync },
- { "read_cache_enable", lprocfs_osd_rd_cache, lprocfs_osd_wr_cache, 0 },
- { "writethrough_cache_enable", lprocfs_osd_rd_wcache,
- lprocfs_osd_wr_wcache, 0 },
- { "readcache_max_filesize", lprocfs_osd_rd_readcache,
- lprocfs_osd_wr_readcache, 0 },
- { 0 }
+LDEBUGFS_SEQ_FOPS(ldiskfs_osd_readcache);
+
+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;
+
+ seq_printf(m, "%lu\n", osd->od_readcache_max_iosize >> 20);
+ return 0;
+}
+
+static ssize_t
+ldiskfs_osd_readcache_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_readcache_max_iosize = val;
+ return count;
+}
+
+LDEBUGFS_SEQ_FOPS(ldiskfs_osd_readcache_max_io);
+
+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;
+}
+
+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 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 sprintf(buf, "%d\n", (int)(dev->od_index_in_idif));
+}
+
+static ssize_t index_in_idif_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);
+ 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);
+
+int osd_register_proc_index_in_idif(struct osd_device *osd)
+{
+ struct dt_device *dt = &osd->od_dt_dev;
+
+ 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);
+
+ LASSERT(dev);
+ if (unlikely(!dev->od_mnt))
+ return -EINPROGRESS;
+
+ return sprintf(buf, "%d\n", dev->od_index_backup_policy);
+}
+
+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,
+ 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