diff mbox

[03/15] ceph: Use pagevec_lookup_range_tag()

Message ID 20170914131819.26266-4-jack@suse.cz (mailing list archive)
State New, archived
Headers show

Commit Message

Jan Kara Sept. 14, 2017, 1:18 p.m. UTC 
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.

CC: Ilya Dryomov <idryomov@gmail.com>
CC: "Yan, Zheng" <zyan@redhat.com>
CC: ceph-devel@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ceph/addr.c | 19 +++----------------
 1 file changed, 3 insertions(+), 16 deletions(-)
diff mbox

Patch

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index b3e3edc09d80..e57e9d37bf2d 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -871,13 +871,10 @@  static int ceph_writepages_start(struct address_space *mapping,
 get_more_pages:
 		pvec_pages = min_t(unsigned, PAGEVEC_SIZE,
 				   max_pages - locked_pages);
-		if (end - index < (u64)(pvec_pages - 1))
-			pvec_pages = (unsigned)(end - index) + 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,
 						pvec_pages);
-		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++) {
@@ -895,16 +892,6 @@  static int ceph_writepages_start(struct address_space *mapping,
 				unlock_page(page);
 				continue;
 			}
-			if (page->index > end) {
-				dout("end of range %p\n", page);
-				/* can't be range_cyclic (1st pass) because
-				 * end == -1 in that case. */
-				stop = true;
-				if (ceph_wbc.head_snapc)
-					done = true;
-				unlock_page(page);
-				break;
-			}
 			if (strip_unit_end && (page->index > strip_unit_end)) {
 				dout("end of strip unit %p\n", page);
 				unlock_page(page);