From 223486c27b369a10ceb6180c40d7aa354e903446 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Thu, 2 Jul 2020 11:27:30 +0200 Subject: 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 Signed-off-by: David Sterba --- fs/btrfs/ordered-data.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/btrfs/ordered-data.c') diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 6a63fb141f23..0d61f9fefc02 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -868,7 +868,7 @@ int btrfs_find_ordered_sum(struct btrfs_inode *inode, u64 offset, struct btrfs_ordered_inode_tree *tree = &inode->ordered_tree; unsigned long num_sectors; unsigned long i; - const u16 csum_size = fs_info->csum_size; + const u32 csum_size = fs_info->csum_size; int index = 0; ordered = btrfs_lookup_ordered_extent(inode, offset); -- cgit v1.2.3