diff options
Diffstat (limited to 'fs/btrfs/sysfs.c')
-rw-r--r-- | fs/btrfs/sysfs.c | 74 |
1 files changed, 59 insertions, 15 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 436ac7b4b334..9d1d140118ff 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -429,7 +429,7 @@ static ssize_t btrfs_discard_bitmap_bytes_show(struct kobject *kobj, { struct btrfs_fs_info *fs_info = discard_to_fs_info(kobj); - return scnprintf(buf, PAGE_SIZE, "%lld\n", + return scnprintf(buf, PAGE_SIZE, "%llu\n", fs_info->discard_ctl.discard_bitmap_bytes); } BTRFS_ATTR(discard, discard_bitmap_bytes, btrfs_discard_bitmap_bytes_show); @@ -451,7 +451,7 @@ static ssize_t btrfs_discard_extent_bytes_show(struct kobject *kobj, { struct btrfs_fs_info *fs_info = discard_to_fs_info(kobj); - return scnprintf(buf, PAGE_SIZE, "%lld\n", + return scnprintf(buf, PAGE_SIZE, "%llu\n", fs_info->discard_ctl.discard_extent_bytes); } BTRFS_ATTR(discard, discard_extent_bytes, btrfs_discard_extent_bytes_show); @@ -665,15 +665,6 @@ static ssize_t btrfs_space_info_show_##field(struct kobject *kobj, \ } \ BTRFS_ATTR(space_info, field, btrfs_space_info_show_##field) -static ssize_t btrfs_space_info_show_total_bytes_pinned(struct kobject *kobj, - struct kobj_attribute *a, - char *buf) -{ - struct btrfs_space_info *sinfo = to_space_info(kobj); - s64 val = percpu_counter_sum(&sinfo->total_bytes_pinned); - return scnprintf(buf, PAGE_SIZE, "%lld\n", val); -} - SPACE_INFO_ATTR(flags); SPACE_INFO_ATTR(total_bytes); SPACE_INFO_ATTR(bytes_used); @@ -684,8 +675,6 @@ SPACE_INFO_ATTR(bytes_readonly); SPACE_INFO_ATTR(bytes_zone_unusable); SPACE_INFO_ATTR(disk_used); SPACE_INFO_ATTR(disk_total); -BTRFS_ATTR(space_info, total_bytes_pinned, - btrfs_space_info_show_total_bytes_pinned); static struct attribute *space_info_attrs[] = { BTRFS_ATTR_PTR(space_info, flags), @@ -698,7 +687,6 @@ static struct attribute *space_info_attrs[] = { BTRFS_ATTR_PTR(space_info, bytes_zone_unusable), BTRFS_ATTR_PTR(space_info, disk_used), BTRFS_ATTR_PTR(space_info, disk_total), - BTRFS_ATTR_PTR(space_info, total_bytes_pinned), NULL, }; ATTRIBUTE_GROUPS(space_info); @@ -706,7 +694,6 @@ ATTRIBUTE_GROUPS(space_info); static void space_info_release(struct kobject *kobj) { struct btrfs_space_info *sinfo = to_space_info(kobj); - percpu_counter_destroy(&sinfo->total_bytes_pinned); kfree(sinfo); } @@ -1455,6 +1442,33 @@ static ssize_t btrfs_devinfo_replace_target_show(struct kobject *kobj, } BTRFS_ATTR(devid, replace_target, btrfs_devinfo_replace_target_show); +static ssize_t btrfs_devinfo_scrub_speed_max_show(struct kobject *kobj, + struct kobj_attribute *a, + char *buf) +{ + struct btrfs_device *device = container_of(kobj, struct btrfs_device, + devid_kobj); + + return scnprintf(buf, PAGE_SIZE, "%llu\n", + READ_ONCE(device->scrub_speed_max)); +} + +static ssize_t btrfs_devinfo_scrub_speed_max_store(struct kobject *kobj, + struct kobj_attribute *a, + const char *buf, size_t len) +{ + struct btrfs_device *device = container_of(kobj, struct btrfs_device, + devid_kobj); + char *endptr; + unsigned long long limit; + + limit = memparse(buf, &endptr); + WRITE_ONCE(device->scrub_speed_max, limit); + return len; +} +BTRFS_ATTR_RW(devid, scrub_speed_max, btrfs_devinfo_scrub_speed_max_show, + btrfs_devinfo_scrub_speed_max_store); + static ssize_t btrfs_devinfo_writeable_show(struct kobject *kobj, struct kobj_attribute *a, char *buf) { @@ -1468,10 +1482,40 @@ static ssize_t btrfs_devinfo_writeable_show(struct kobject *kobj, } BTRFS_ATTR(devid, writeable, btrfs_devinfo_writeable_show); +static ssize_t btrfs_devinfo_error_stats_show(struct kobject *kobj, + struct kobj_attribute *a, char *buf) +{ + struct btrfs_device *device = container_of(kobj, struct btrfs_device, + devid_kobj); + + if (!device->dev_stats_valid) + return scnprintf(buf, PAGE_SIZE, "invalid\n"); + + /* + * Print all at once so we get a snapshot of all values from the same + * time. Keep them in sync and in order of definition of + * btrfs_dev_stat_values. + */ + return scnprintf(buf, PAGE_SIZE, + "write_errs %d\n" + "read_errs %d\n" + "flush_errs %d\n" + "corruption_errs %d\n" + "generation_errs %d\n", + btrfs_dev_stat_read(device, BTRFS_DEV_STAT_WRITE_ERRS), + btrfs_dev_stat_read(device, BTRFS_DEV_STAT_READ_ERRS), + btrfs_dev_stat_read(device, BTRFS_DEV_STAT_FLUSH_ERRS), + btrfs_dev_stat_read(device, BTRFS_DEV_STAT_CORRUPTION_ERRS), + btrfs_dev_stat_read(device, BTRFS_DEV_STAT_GENERATION_ERRS)); +} +BTRFS_ATTR(devid, error_stats, btrfs_devinfo_error_stats_show); + static struct attribute *devid_attrs[] = { + BTRFS_ATTR_PTR(devid, error_stats), BTRFS_ATTR_PTR(devid, in_fs_metadata), BTRFS_ATTR_PTR(devid, missing), BTRFS_ATTR_PTR(devid, replace_target), + BTRFS_ATTR_PTR(devid, scrub_speed_max), BTRFS_ATTR_PTR(devid, writeable), NULL }; |