Commit b538a271 authored by Josef Bacik's avatar Josef Bacik Committed by David Sterba
Browse files

btrfs: move the 32bit warn defines into messages.h 



The code for these functions are in messages.c, move the defines and
prototypes to messages.h.

Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.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 af142b6f

fs/btrfs/ctree.h

+0 −13
Original line number Diff line number Diff line
@@ -695,19 +695,6 @@ int btrfs_sync_fs(struct super_block *sb, int wait); 
char *btrfs_get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info,

					  u64 subvol_objectid);



#if BITS_PER_LONG == 32

#define BTRFS_32BIT_MAX_FILE_SIZE (((u64)ULONG_MAX + 1) << PAGE_SHIFT)

/*

 * The warning threshold is 5/8th of the MAX_LFS_FILESIZE that limits the logical

 * addresses of extents.

 *

 * For 4K page size it's about 10T, for 64K it's 160T.

 */

#define BTRFS_32BIT_EARLY_WARN_THRESHOLD (BTRFS_32BIT_MAX_FILE_SIZE * 5 / 8)

void btrfs_warn_32bit_limit(struct btrfs_fs_info *fs_info);

void btrfs_err_32bit_limit(struct btrfs_fs_info *fs_info);

#endif



/*

 * Get the correct offset inside the page of extent buffer.

 *

fs/btrfs/messages.h

+13 −0
Original line number Diff line number Diff line
@@ -229,4 +229,17 @@ do { \ 
	BUG();								\

} while (0)



#if BITS_PER_LONG == 32

#define BTRFS_32BIT_MAX_FILE_SIZE (((u64)ULONG_MAX + 1) << PAGE_SHIFT)

/*

 * The warning threshold is 5/8th of the MAX_LFS_FILESIZE that limits the logical

 * addresses of extents.

 *

 * For 4K page size it's about 10T, for 64K it's 160T.

 */

#define BTRFS_32BIT_EARLY_WARN_THRESHOLD (BTRFS_32BIT_MAX_FILE_SIZE * 5 / 8)

void btrfs_warn_32bit_limit(struct btrfs_fs_info *fs_info);

void btrfs_err_32bit_limit(struct btrfs_fs_info *fs_info);

#endif



#endif