afs: use find_get_pages_range_tag() (aef6e415) · Commits · e / devices / android_kernel_fairphone_FP4

Use find_get_pages_range_tag() in afs_writepages_region() as we are interested only in pages from given range. Remove unnecessary code after this conversion. Link: http://lkml.kernel.org/r/20171009151359.31984-16-jack@suse.cz Signed-off-by:

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

Daniel Jordan <daniel.m.jordan@oracle.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by:

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

Linus Torvalds <torvalds@linux-foundation.org>

fs/afs/write.c

+2 −9

Original line number	Diff line number	Diff line
		@@ -497,20 +497,13 @@ static int afs_writepages_region(struct address_space *mapping,
		_enter(",,%lx,%lx,", index, end);

		do {
		n = find_get_pages_tag(mapping, &index, PAGECACHE_TAG_DIRTY,
		1, &page);
		n = find_get_pages_range_tag(mapping, &index, end,
		PAGECACHE_TAG_DIRTY, 1, &page);
		if (!n)
		break;

		_debug("wback %lx", page->index);

		if (page->index > end) {
		*_next = index;
		put_page(page);
		_leave(" = 0 [%lx]", *_next);
		return 0;
		}

		/* at this point we hold neither mapping->tree_lock nor lock on
		* the page itself: the page may be truncated or invalidated
		* (changing page->mapping to NULL), or even swizzled back from