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btrfs: copy all pages at once at the end of btrfs_clone_extent_buffer()

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btrfs_clone_extent_buffer() calls copy_page() at each iteration but we
can copy all pages at the end in one go if there were no errors.
This would make later conversion to folios easier.

Reviewed-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2023-07-15 19:08:32 +08:00 committed by David Sterba
parent 54948681c2
commit 682a0bc557
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/extent_io.c
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@ -3239,8 +3239,8 @@ struct extent_buffer *btrfs_clone_extent_buffer(const struct extent_buffer *src)
return NULL;
}
WARN_ON(PageDirty(p));
copy_page(page_address(p), page_address(src->pages[i]));
}
copy_extent_buffer_full(new, src);
set_extent_buffer_uptodate(new);
return new;