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LU-8066 obd_type: discard obd_types linked list.
[fs/lustre-release.git] / lustre / osd-zfs / osd_lproc.c
index 459a000..1516e58 100644 (file)
@@ -23,7 +23,7 @@
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, 2016, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
 #include <obd.h>
 #include <obd_class.h>
 #include <lprocfs_status.h>
-#include <lustre/lustre_idl.h>
+#include <lustre_scrub.h>
 
 #include "osd_internal.h"
 
 #ifdef CONFIG_PROC_FS
 
-#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)
@@ -78,7 +76,7 @@ static void display_brw_stats(struct seq_file *seq, char *name, char *units,
                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));
 
@@ -89,12 +87,12 @@ static void display_brw_stats(struct seq_file *seq, char *name, char *units,
 
 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 */
-       do_gettimeofday(&now);
-       seq_printf(seq, "snapshot_time:         %lu.%lu (secs.usecs)\n",
-                  now.tv_sec, now.tv_usec);
+       ktime_get_real_ts64(&now);
+       seq_printf(seq, "snapshot_time:         %llu.%09lu (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],
@@ -117,15 +115,13 @@ static void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
 
        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 / HZ);
+                         &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;
@@ -211,123 +207,253 @@ out:
        RETURN(result);
 }
 
-static int zfs_osd_fstype_seq_show(struct seq_file *m, void *data)
+static int zfs_osd_oi_scrub_seq_show(struct seq_file *m, void *data)
 {
-       seq_puts(m, "zfs\n");
+       struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
+
+       LASSERT(dev != NULL);
+       if (!dev->od_os)
+               return -EINPROGRESS;
+
+       scrub_dump(m, &dev->od_scrub);
        return 0;
 }
-LPROC_SEQ_FOPS_RO(zfs_osd_fstype);
+LDEBUGFS_SEQ_FOPS_RO(zfs_osd_oi_scrub);
 
-static int zfs_osd_mntdev_seq_show(struct seq_file *m, void *data)
+static ssize_t auto_scrub_show(struct kobject *kobj, struct attribute *attr,
+                             char *buf)
 {
-       struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
+       struct dt_device *dt = container_of(kobj, struct dt_device,
+                                           dd_kobj);
+       struct osd_device *dev = osd_dt_dev(dt);
 
-       LASSERT(osd != NULL);
-       seq_printf(m, "%s\n", osd->od_mntdev);
-       return 0;
+       LASSERT(dev);
+       if (!dev->od_os)
+               return -EINPROGRESS;
+
+       return sprintf(buf, "%lld\n", dev->od_auto_scrub_interval);
 }
-LPROC_SEQ_FOPS_RO(zfs_osd_mntdev);
 
-static ssize_t
-lprocfs_osd_force_sync_seq_write(struct file *file, const char __user *buffer,
-                               size_t count, loff_t *off)
+static ssize_t auto_scrub_store(struct kobject *kobj, struct attribute *attr,
+                               const char *buffer, size_t count)
 {
-       struct seq_file   *m = file->private_data;
-       struct dt_device  *dt = m->private;
-       struct lu_env      env;
+       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 (!dev->od_os)
+               return -EINPROGRESS;
+
+       rc = kstrtoull(buffer, 0, &val);
+       if (rc)
+               return rc;
+
+       dev->od_auto_scrub_interval = val;
+       return count;
+}
+LUSTRE_RW_ATTR(auto_scrub);
+
+static ssize_t fstype_show(struct kobject *kobj, struct attribute *attr,
+                         char *buf)
+{
+       return sprintf(buf, "zfs\n");
+}
+LUSTRE_RO_ATTR(fstype);
+
+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);
+
+       return sprintf(buf, "%s\n", osd->od_mntdev);
+}
+LUSTRE_RO_ATTR(mntdev);
+
+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 lu_env env;
        int rc;
 
        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_WO_TYPE(zfs, osd_force_sync);
+LUSTRE_WO_ATTR(force_sync);
 
-static int zfs_osd_iused_est_seq_show(struct seq_file *m, void *data)
+static ssize_t nonrotational_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 (!osd->od_os)
+               return -EINPROGRESS;
+
+       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 (!osd->od_os)
+               return -EINPROGRESS;
+
+       rc = kstrtobool(buffer, &val);
+       if (rc)
+               return rc;
+
+       osd->od_nonrotational = val;
+       return count;
+}
+LUSTRE_RW_ATTR(nonrotational);
+
+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 (!dev->od_os)
+               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 (!dev->od_os)
+               return -EINPROGRESS;
+
+       rc = kstrtoint(buffer, 0, &val);
+       if (rc)
+               return rc;
+
+       dev->od_index_backup_policy = val;
+       return count;
+}
+LUSTRE_RW_ATTR(index_backup);
+
+static int zfs_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_os == NULL))
+               return -EINPROGRESS;
 
-       seq_printf(m, "%d\n", osd->od_quota_iused_est);
+       seq_printf(m, "%llu\n", osd->od_readcache_max_filesize);
        return 0;
 }
 
 static ssize_t
-zfs_osd_iused_est_seq_write(struct file *file, const char __user *buffer,
-                            size_t count, loff_t *off)
+zfs_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);
+       u64 val;
        int rc;
-       __s64 val;
 
        LASSERT(osd != NULL);
+       if (unlikely(osd->od_os == NULL))
+               return -EINPROGRESS;
 
-       rc = lprocfs_str_to_s64(buffer, count, &val);
+       rc = lprocfs_str_with_units_to_u64(buffer, count, &val, '1');
        if (rc)
                return rc;
 
-       osd->od_quota_iused_est = !!val;
-
+       osd->od_readcache_max_filesize = val > OSD_MAX_CACHE_SIZE ?
+                                        OSD_MAX_CACHE_SIZE : val;
        return count;
 }
-LPROC_SEQ_FOPS(zfs_osd_iused_est);
-
-LPROC_SEQ_FOPS_RO_TYPE(zfs, dt_blksize);
-LPROC_SEQ_FOPS_RO_TYPE(zfs, dt_kbytestotal);
-LPROC_SEQ_FOPS_RO_TYPE(zfs, dt_kbytesfree);
-LPROC_SEQ_FOPS_RO_TYPE(zfs, dt_kbytesavail);
-LPROC_SEQ_FOPS_RO_TYPE(zfs, dt_filestotal);
-LPROC_SEQ_FOPS_RO_TYPE(zfs, dt_filesfree);
+LDEBUGFS_SEQ_FOPS(zfs_osd_readcache);
+
+static struct attribute *zfs_attrs[] = {
+       &lustre_attr_fstype.attr,
+       &lustre_attr_mntdev.attr,
+       &lustre_attr_force_sync.attr,
+       &lustre_attr_nonrotational.attr,
+       &lustre_attr_index_backup.attr,
+       &lustre_attr_auto_scrub.attr,
+       NULL,
+};
 
 struct lprocfs_vars lprocfs_osd_obd_vars[] = {
-       { .name =       "blocksize",
-         .fops =       &zfs_dt_blksize_fops            },
-       { .name =       "kbytestotal",
-         .fops =       &zfs_dt_kbytestotal_fops        },
-       { .name =       "kbytesfree",
-         .fops =       &zfs_dt_kbytesfree_fops         },
-       { .name =       "kbytesavail",
-         .fops =       &zfs_dt_kbytesavail_fops        },
-       { .name =       "filestotal",
-         .fops =       &zfs_dt_filestotal_fops         },
-       { .name =       "filesfree",
-         .fops =       &zfs_dt_filesfree_fops          },
-       { .name =       "fstype",
-         .fops =       &zfs_osd_fstype_fops            },
-       { .name =       "mntdev",
-         .fops =       &zfs_osd_mntdev_fops            },
-       { .name =       "force_sync",
-         .fops =       &zfs_osd_force_sync_fops        },
-       { .name =       "quota_iused_estimate",
-         .fops =       &zfs_osd_iused_est_fops         },
+       { .name =       "oi_scrub",
+         .fops =       &zfs_osd_oi_scrub_fops          },
+       { .name =       "readcache_max_filesize",
+         .fops =       &zfs_osd_readcache_fops         },
        { 0 }
 };
 
 int osd_procfs_init(struct osd_device *osd, const char *name)
 {
        struct obd_type *type;
-       int              rc;
-       ENTRY;
+       int rc;
 
-       if (osd->od_proc_entry)
-               RETURN(0);
+       ENTRY;
 
        /* at the moment there is no linkage between lu_type
-        * and obd_type, so we lookup obd_type this way */
+        * and obd_type, so we lookup obd_type this way
+        */
        type = class_search_type(LUSTRE_OSD_ZFS_NAME);
 
-       LASSERT(name != NULL);
-       LASSERT(type != NULL);
+       LASSERT(type);
+       LASSERT(name);
+
+       /* put reference taken by class_search_type */
+       kobject_put(&type->typ_kobj);
+
+       osd->od_dt_dev.dd_ktype.default_attrs = zfs_attrs;
+       rc = dt_tunables_init(&osd->od_dt_dev, type, name,
+                             lprocfs_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);
 
        osd->od_proc_entry = lprocfs_register(name, type->typ_procroot,
-                                             lprocfs_osd_obd_vars,
-                                             &osd->od_dt_dev);
+                                             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);
@@ -356,7 +482,7 @@ int osd_procfs_fini(struct osd_device *osd)
                osd->od_proc_entry = NULL;
        }
 
-       RETURN(0);
+       return dt_tunables_fini(&osd->od_dt_dev);
 }
 
 #endif