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-rw-r--r--fs/btrfs/space-info.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/space-info.h b/fs/btrfs/space-info.h
index d758959d19d5..620d390cf6d2 100644
--- a/fs/btrfs/space-info.h
+++ b/fs/btrfs/space-info.h
@@ -129,5 +129,9 @@ int btrfs_can_overcommit(struct btrfs_fs_info *fs_info,
void btrfs_dump_space_info(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *info, u64 bytes,
int dump_block_groups);
+int btrfs_reserve_metadata_bytes(struct btrfs_root *root,
+ struct btrfs_block_rsv *block_rsv,
+ u64 orig_bytes,
+ enum btrfs_reserve_flush_enum flush);
#endif /* BTRFS_SPACE_INFO_H */