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Diffstat (limited to 'fs/btrfs/block-rsv.c')
-rw-r--r--fs/btrfs/block-rsv.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/block-rsv.c b/fs/btrfs/block-rsv.c
index 454f3c629dd8..b216c4c7292a 100644
--- a/fs/btrfs/block-rsv.c
+++ b/fs/btrfs/block-rsv.c
@@ -6,6 +6,7 @@
#include "space-info.h"
#include "transaction.h"
#include "block-group.h"
+#include "disk-io.h"
/*
* HOW DO BLOCK RESERVES WORK
@@ -351,6 +352,7 @@ void btrfs_update_global_block_rsv(struct btrfs_fs_info *fs_info)
{
struct btrfs_block_rsv *block_rsv = &fs_info->global_block_rsv;
struct btrfs_space_info *sinfo = block_rsv->space_info;
+ struct btrfs_root *extent_root = btrfs_extent_root(fs_info, 0);
u64 num_bytes;
unsigned min_items;
@@ -359,7 +361,7 @@ void btrfs_update_global_block_rsv(struct btrfs_fs_info *fs_info)
* checksum tree and the root tree. If the fs is empty we want to set
* it to a minimal amount for safety.
*/
- num_bytes = btrfs_root_used(&fs_info->extent_root->root_item) +
+ num_bytes = btrfs_root_used(&extent_root->root_item) +
btrfs_root_used(&fs_info->csum_root->root_item) +
btrfs_root_used(&fs_info->tree_root->root_item);