afs: use find_get_pages_range_tag()
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>
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 106e43d..d62a6b5 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -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