On 2017/09/28 1:03, Jan Kara wrote:
We want only pages from given range in
nilfs_lookup_dirty_data_buffers(). Use pagevec_lookup_range_tag()
instead of pagevec_lookup_tag() and remove unnecessary code.
CC: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
CC: linux-nilfs@xxxxxxxxxxxxxxx
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/nilfs2/segment.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
Nice patch. Thanks.
Acked-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 70ded52dc1dd..68e5769cef3b 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -711,18 +711,14 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode,
pagevec_init(&pvec, 0);
repeat:
if (unlikely(index > last) ||
- !pagevec_lookup_tag(&pvec, mapping, &index, PAGECACHE_TAG_DIRTY,
- min_t(pgoff_t, last - index,
- PAGEVEC_SIZE - 1) + 1))
+ !pagevec_lookup_range_tag(&pvec, mapping, &index, last,
+ PAGECACHE_TAG_DIRTY, PAGEVEC_SIZE))
return ndirties;
for (i = 0; i < pagevec_count(&pvec); i++) {
struct buffer_head *bh, *head;
struct page *page = pvec.pages[i];
- if (unlikely(page->index > last))
- break;
-
lock_page(page);
if (!page_has_buffers(page))
create_empty_buffers(page, i_blocksize(inode), 0);
