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| author |   David Sterba <dsterba@suse.com> | 2020-07-02 11:27:30 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2020-12-08 15:53:59 +0100 |
| commit | 223486c27b369a10ceb6180c40d7aa354e903446 (patch) | |
| tree | 26f5d18a30be1e251900158f0af6e65611f56369 /fs/btrfs/tree-checker.c | |
| parent | btrfs: use cached value of fs_info::csum_size everywhere (diff) | |
| download | linux-dev-223486c27b369a10ceb6180c40d7aa354e903446.tar.xz linux-dev-223486c27b369a10ceb6180c40d7aa354e903446.zip | |
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/tree-checker.c')
| -rw-r--r-- | fs/btrfs/tree-checker.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index 1fe5961a9f60..f3f666b343ef 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -336,7 +336,7 @@ static int check_csum_item(struct extent_buffer *leaf, struct btrfs_key *key, { struct btrfs_fs_info *fs_info = leaf->fs_info; u32 sectorsize = fs_info->sectorsize; - const u16 csumsize = fs_info->csum_size; + const u32 csumsize = fs_info->csum_size; if (key->objectid != BTRFS_EXTENT_CSUM_OBJECTID) { generic_err(leaf, slot, |