btrfs: switch BTRFS_BLOCK_RSV_* to enums (688a75b9) · Commits · 戴 / test

We can use simple enum for values that are not part of on-disk format: block reserve types. Reviewed-by:

fs/btrfs/ctree.h

+12 −7

Original line number	Diff line number	Diff line
		@@ -461,13 +461,18 @@ struct btrfs_space_info {
		struct kobject *block_group_kobjs[BTRFS_NR_RAID_TYPES];
		};

		#define BTRFS_BLOCK_RSV_GLOBAL 1
		#define BTRFS_BLOCK_RSV_DELALLOC 2
		#define BTRFS_BLOCK_RSV_TRANS 3
		#define BTRFS_BLOCK_RSV_CHUNK 4
		#define BTRFS_BLOCK_RSV_DELOPS 5
		#define BTRFS_BLOCK_RSV_EMPTY 6
		#define BTRFS_BLOCK_RSV_TEMP 7
		/*
		* Types of block reserves
		*/
		enum {
		BTRFS_BLOCK_RSV_GLOBAL,
		BTRFS_BLOCK_RSV_DELALLOC,
		BTRFS_BLOCK_RSV_TRANS,
		BTRFS_BLOCK_RSV_CHUNK,
		BTRFS_BLOCK_RSV_DELOPS,
		BTRFS_BLOCK_RSV_EMPTY,
		BTRFS_BLOCK_RSV_TEMP,
		};

		struct btrfs_block_rsv {
		u64 size;