223486c27b369a10ceb6180c40d7aa354e903446 - linux

commit	223486c27b369a10ceb6180c40d7aa354e903446	[log] [tgz]
author	David Sterba <dsterba@suse.com>	Thu Jul 02 11:27:30 2020 +0200
committer	David Sterba <dsterba@suse.com>	Tue Dec 08 15:53:59 2020 +0100
tree	26f5d18a30be1e251900158f0af6e65611f56369
parent	55fc29bed8ddb4c3848ecf8cf7133e34c946f223 [diff]

btrfs: switch cached fs_info::csum_size from u16 to u32

The fs_info value is 32bit, switch also the local u16 variables. This
leads to a better assembly code generated due to movzwl.

This simple change will shave some bytes on x86_64 and release config:

   text    data     bss     dec     hex filename
1090000   17980   14912 1122892  11224c pre/btrfs.ko
1089794   17980   14912 1122686  11217e post/btrfs.ko

DELTA: -206

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/btrfs_inode.h[diff]
fs/btrfs/compression.c[diff]
fs/btrfs/disk-io.c[diff]
fs/btrfs/extent_io.c[diff]
fs/btrfs/file-item.c[diff]
fs/btrfs/inode.c[diff]
fs/btrfs/ordered-data.c[diff]
fs/btrfs/ordered-data.h[diff]
fs/btrfs/tree-checker.c[diff]

9 files changed

tree: 26f5d18a30be1e251900158f0af6e65611f56369