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btrfs: zlib: use copy_page for full page copy

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The copy_page helper may use an optimized version for full page copy
(eg. on s390 there's a special instruction for that), there's one more
left to convert.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2022-10-31 20:33:40 +01:00
parent e2a0416577
commit 9e5e6d4e2e
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/zlib.c
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@@ -155,8 +155,8 @@ int zlib_compress_pages(struct list_head *ws, struct address_space *mapping,
in_page = find_get_page(mapping,
start >> PAGE_SHIFT);
data_in = kmap_local_page(in_page);
memcpy(workspace->buf + i * PAGE_SIZE,
data_in, PAGE_SIZE);
copy_page(workspace->buf + i * PAGE_SIZE,
data_in);
start += PAGE_SIZE;
}
workspace->strm.next_in = workspace->buf;