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Commit 7aceaf5c authored by Jan Kara's avatar Jan Kara Committed by Jaegeuk Kim
Browse files

ceph: use pagevec_lookup_range_tag() 

We want only pages from given range in ceph_writepages_start().  Use
pagevec_lookup_range_tag() instead of pagevec_lookup_tag() and remove
unnecessary code.

Link: http://lkml.kernel.org/r/20171009151359.31984-4-jack@suse.cz


Signed-off-by: default avatarJan Kara <jack@suse.cz>
Reviewed-by: default avatarDaniel Jordan <daniel.m.jordan@oracle.com>
Reviewed-by: default avatar"Yan, Zheng" <zyan@redhat.com>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 31c3bb46

fs/ceph/addr.c

+3 −3
Original line number Diff line number Diff line
@@ -772,10 +772,10 @@ get_more_pages: 
			   min((pgoff_t)PAGEVEC_SIZE,

			       max_pages - (pgoff_t)locked_pages) - 1)

			+ 1;

		pvec_pages = pagevec_lookup_tag(&pvec, mapping, &index,

						PAGECACHE_TAG_DIRTY,

		pvec_pages = pagevec_lookup_range_tag(&pvec, mapping, &index,

						end, PAGECACHE_TAG_DIRTY,

						want);

		dout("pagevec_lookup_tag got %d\n", pvec_pages);

		dout("pagevec_lookup_range_tag got %d\n", pvec_pages);

		if (!pvec_pages && !locked_pages)

			break;

		for (i = 0; i < pvec_pages && locked_pages < max_pages; i++) {