LU-10193 osd-zfs: backup index object with plain format

[fs/lustre-release.git] / lustre / osd-zfs / osd_lproc.c

diff --git a/lustre/osd-zfs/osd_lproc.c b/lustre/osd-zfs/osd_lproc.c
index 39b1848..8e426de 100644 (file)
--- a/lustre/osd-zfs/osd_lproc.c
+++ b/lustre/osd-zfs/osd_lproc.c
@@ -216,7 +216,7 @@ static int zfs_osd_auto_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_os))
+       if (!dev->od_os)
                return -EINPROGRESS;
 
        seq_printf(m, "%lld\n", dev->od_auto_scrub_interval);
@@ -234,7 +234,7 @@ zfs_osd_auto_scrub_seq_write(struct file *file, const char __user *buffer,
        __s64 val;
 
        LASSERT(dev != NULL);
-       if (unlikely(!dev->od_os))
+       if (!dev->od_os)
                return -EINPROGRESS;
 
        rc = lprocfs_str_to_s64(buffer, count, &val);
@@ -251,7 +251,7 @@ static int zfs_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_os))
+       if (!dev->od_os)
                return -EINPROGRESS;
 
        scrub_dump(m, &dev->od_scrub);
@@ -295,6 +295,41 @@ lprocfs_osd_force_sync_seq_write(struct file *file, const char __user *buffer,
 }
 LPROC_SEQ_FOPS_WR_ONLY(zfs, osd_force_sync);
 
+static int zfs_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 (!dev->od_os)
+               return -EINPROGRESS;
+
+       seq_printf(m, "%d\n", dev->od_index_backup_policy);
+       return 0;
+}
+
+static ssize_t zfs_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);
+       __s64 val;
+       int rc;
+
+       LASSERT(dev != NULL);
+       if (!dev->od_os)
+               return -EINPROGRESS;
+
+       rc = lprocfs_str_to_s64(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       dev->od_index_backup_policy = val;
+       return count;
+}
+LPROC_SEQ_FOPS(zfs_osd_index_backup);
+
 LPROC_SEQ_FOPS_RO_TYPE(zfs, dt_blksize);
 LPROC_SEQ_FOPS_RO_TYPE(zfs, dt_kbytestotal);
 LPROC_SEQ_FOPS_RO_TYPE(zfs, dt_kbytesfree);
@@ -325,6 +360,8 @@ struct lprocfs_vars lprocfs_osd_obd_vars[] = {
          .fops =       &zfs_osd_mntdev_fops            },
        { .name =       "force_sync",
          .fops =       &zfs_osd_force_sync_fops        },
+       { .name =       "index_backup",
+         .fops =       &zfs_osd_index_backup_fops      },
        { 0 }
 };