Commit f119553f authored by Josef Bacik's avatar Josef Bacik Committed by David Sterba
Browse files

btrfs: move btrfs_csum_ptr to inode.c 



This helper is only used in inode.c, move it locally to that file
instead of defining it in ctree.h.

Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: default avatarAnand Jain <anand.jain@oracle.com>
Signed-off-by: default avatarJosef Bacik <josef@toxicpanda.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 0e75f005

fs/btrfs/ctree.h

+0 −8
Original line number Diff line number Diff line
@@ -2797,14 +2797,6 @@ int btrfs_get_extent_inline_ref_type(const struct extent_buffer *eb, 
				     enum btrfs_inline_ref_type is_data);

u64 hash_extent_data_ref(u64 root_objectid, u64 owner, u64 offset);



static inline u8 *btrfs_csum_ptr(const struct btrfs_fs_info *fs_info, u8 *csums,

				 u64 offset)

{

	u64 offset_in_sectors = offset >> fs_info->sectorsize_bits;



	return csums + offset_in_sectors * fs_info->csum_size;

}



/*

 * Take the number of bytes to be checksummed and figure out how many leaves

 * it would require to store the csums for that many bytes.

fs/btrfs/inode.c

+7 −0
Original line number Diff line number Diff line
@@ -3436,6 +3436,13 @@ int btrfs_check_sector_csum(struct btrfs_fs_info *fs_info, struct page *page, 
	return 0;

}



static u8 *btrfs_csum_ptr(const struct btrfs_fs_info *fs_info, u8 *csums, u64 offset)

{

	u64 offset_in_sectors = offset >> fs_info->sectorsize_bits;



	return csums + offset_in_sectors * fs_info->csum_size;

}



/*

 * check_data_csum - verify checksum of one sector of uncompressed data

 * @inode:	inode