Commit b9b1a53e authored by Chengguang Xu's avatar Chengguang Xu Committed by David Sterba
Browse files

btrfs: use enum for extent type defines 



Use enum to replace macro definitions of extent types.

Signed-off-by: default avatarChengguang Xu <cgxu519@mykernel.net>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent b2cd2959

fs/btrfs/tree-checker.c

+2 −2
Original line number Diff line number Diff line
@@ -221,11 +221,11 @@ static int check_extent_data_item(struct extent_buffer *leaf, 


	fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);



	if (btrfs_file_extent_type(leaf, fi) > BTRFS_FILE_EXTENT_TYPES) {

	if (btrfs_file_extent_type(leaf, fi) >= BTRFS_NR_FILE_EXTENT_TYPES) {

		file_extent_err(leaf, slot,

		"invalid type for file extent, have %u expect range [0, %u]",

			btrfs_file_extent_type(leaf, fi),

			BTRFS_FILE_EXTENT_TYPES);

			BTRFS_NR_FILE_EXTENT_TYPES - 1);

		return -EUCLEAN;

	}

include/uapi/linux/btrfs_tree.h

+6 −4
Original line number Diff line number Diff line
@@ -737,10 +737,12 @@ struct btrfs_balance_item { 
	__le64 unused[4];

} __attribute__ ((__packed__));



#define BTRFS_FILE_EXTENT_INLINE 0

#define BTRFS_FILE_EXTENT_REG 1

#define BTRFS_FILE_EXTENT_PREALLOC 2

#define BTRFS_FILE_EXTENT_TYPES	2

enum {

	BTRFS_FILE_EXTENT_INLINE   = 0,

	BTRFS_FILE_EXTENT_REG      = 1,

	BTRFS_FILE_EXTENT_PREALLOC = 2,

	BTRFS_NR_FILE_EXTENT_TYPES = 3,

};



struct btrfs_file_extent_item {

	/*

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