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| author | Josef Bacik <josef@toxicpanda.com> | 2022-10-26 22:08:31 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-12-05 20:00:46 +0300 |
| commit | b538a271ae9bd07e926b1e3bbfcd1aebf63e5860 (patch) | |
| tree | 006d9c2d18de1d58e46658bbe0b5275f65ed29a1 /fs/btrfs/messages.h | |
| parent | af142b6f44d36c4d0e1e53acbedbc30a588c58de (diff) | |
| download | linux-b538a271ae9bd07e926b1e3bbfcd1aebf63e5860.tar.xz | |
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: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/messages.h')
| -rw-r--r-- | fs/btrfs/messages.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/btrfs/messages.h b/fs/btrfs/messages.h index 3772358f8d30..5ac410e313e4 100644 --- a/fs/btrfs/messages.h +++ b/fs/btrfs/messages.h @@ -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 |