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authorDavid Sterba <dsterba@suse.com>2020-07-02 11:27:30 +0200
committerDavid Sterba <dsterba@suse.com>2020-12-08 15:53:59 +0100
commit223486c27b369a10ceb6180c40d7aa354e903446 (patch)
tree26f5d18a30be1e251900158f0af6e65611f56369 /fs/btrfs/btrfs_inode.h
parent55fc29bed8ddb4c3848ecf8cf7133e34c946f223 (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>
Diffstat (limited to 'fs/btrfs/btrfs_inode.h')
-rw-r--r--fs/btrfs/btrfs_inode.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index a31b7e32dd60..8494f62f8aa4 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -331,7 +331,7 @@ static inline void btrfs_print_data_csum_error(struct btrfs_inode *inode,
u64 logical_start, u8 *csum, u8 *csum_expected, int mirror_num)
{
struct btrfs_root *root = inode->root;
- const u16 csum_size = root->fs_info->csum_size;
+ const u32 csum_size = root->fs_info->csum_size;
/* Output minus objectid, which is more meaningful */
if (root->root_key.objectid >= BTRFS_LAST_FREE_OBJECTID)