From 2add123c8e90583e5950909c2426b5ed8d927a49 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 1 Nov 2016 13:34:13 +0100 Subject: [PATCH] btrfs-progs: switch dev stats item to the permanent item key [ kernel patch 242e2956e4afde7727fffe21adc0a7b198b77f96 ] Signed-off-by: David Sterba --- ctree.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/ctree.h b/ctree.h index 255ebad9..eb6e36bd 100644 --- a/ctree.h +++ b/ctree.h @@ -85,6 +85,9 @@ struct btrfs_free_space_ctl; /* 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 @@ -1244,7 +1247,7 @@ struct btrfs_root { * * - 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