Signed-off-by: David Sterba <dste...@suse.com> --- fs/btrfs/ctree.h | 5 ++++- fs/btrfs/volumes.c | 8 ++++---- 2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index ffc081e11277..70054ed2bd7b 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -100,6 +100,9 @@ struct btrfs_ordered_sum; /* tracks free space in block groups. */ #define BTRFS_FREE_SPACE_TREE_OBJECTID 10ULL +/* device stats in the device tree */ +#define BTRFS_DEV_STATS_OBJECTID 0ULL + /* for storing balance parameters in the root tree */ #define BTRFS_BALANCE_OBJECTID -4ULL @@ -2219,7 +2222,7 @@ struct btrfs_ioctl_defrag_range_args { * * - device statistics, store IO stats in the device tree, one key for all * stats - * (0, BTRFS_DEV_STATS_KEY, 0) + * (BTRFS_DEV_STATS_OBJECTID, BTRFS_DEV_STATS_KEY, 0) */ #define BTRFS_PERSISTENT_ITEM_KEY 249 diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index b306a205504b..177a0a8dfd31 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6705,8 +6705,8 @@ int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info) int item_size; struct btrfs_dev_stats_item *ptr; - key.objectid = 0; - key.type = BTRFS_DEV_STATS_KEY; + key.objectid = BTRFS_DEV_STATS_OBJECTID; + key.type = BTRFS_PERSISTENT_ITEM_KEY; key.offset = device->devid; ret = btrfs_search_slot(NULL, dev_root, &key, path, 0, 0); if (ret) { @@ -6753,8 +6753,8 @@ static int update_dev_stat_item(struct btrfs_trans_handle *trans, int ret; int i; - key.objectid = 0; - key.type = BTRFS_DEV_STATS_KEY; + key.objectid = BTRFS_DEV_STATS_OBJECTID; + key.type = BTRFS_PERSISTENT_ITEM_KEY; key.offset = device->devid; path = btrfs_alloc_path(); -- 2.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html