From fba1acf9ff77656e3b9f5c0f7b6a52c93e4932ec Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 8 Nov 2016 17:56:24 +0100 Subject: btrfs: use specialized page copying helpers in btrfs_clone_extent_buffer The copy_page is usually optimized and can be faster than memcpy. Signed-off-by: David Sterba --- fs/btrfs/extent_io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs') diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 2ae731a0058a..bf719e3bcaf2 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4720,9 +4720,9 @@ struct extent_buffer *btrfs_clone_extent_buffer(struct extent_buffer *src) WARN_ON(PageDirty(p)); SetPageUptodate(p); new->pages[i] = p; + copy_page(page_address(p), page_address(src->pages[i])); } - copy_extent_buffer(new, src, 0, 0, src->len); set_bit(EXTENT_BUFFER_UPTODATE, &new->bflags); set_bit(EXTENT_BUFFER_DUMMY, &new->bflags); -- cgit v1.2.3