f2fs: use pagevec_lookup_range_tag() (69c4f35d) · Commits · 戴 / test

We want only pages from given range in f2fs_write_cache_pages(). Use pagevec_lookup_range_tag() instead of pagevec_lookup_tag() and remove unnecessary code. Link: http://lkml.kernel.org/r/20171009151359.31984-6-jack@suse.cz Signed-off-by:

Jan Kara <jack@suse.cz> Reviewed-by:

Chao Yu <yuchao0@huawei.com> Reviewed-by:

Daniel Jordan <daniel.m.jordan@oracle.com> Cc: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by:

Andrew Morton <akpm@linux-foundation.org> Signed-off-by:

Linus Torvalds <torvalds@linux-foundation.org>

fs/f2fs/data.c

+2 −7

Original line number	Original line	Diff line number	Diff line
	@@ -1669,8 +1669,8 @@ retry:
	while (!done && (index <= end)) {		while (!done && (index <= end)) {
	int i;		int i;

	nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, tag,		nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, end,
	min(end - index, (pgoff_t)PAGEVEC_SIZE - 1) + 1);		tag, PAGEVEC_SIZE);
	if (nr_pages == 0)		if (nr_pages == 0)
	break;		break;

	@@ -1678,11 +1678,6 @@ retry:
	struct page *page = pvec.pages[i];		struct page *page = pvec.pages[i];
	bool submitted = false;		bool submitted = false;

	if (page->index > end) {
	done = 1;
	break;
	}

	done_index = page->index;		done_index = page->index;
	retry_write:		retry_write:
	lock_page(page);		lock_page(page);

Admin message