[PATCH 09/15] nilfs2: Use pagevec_lookup_range_tag()
From: Jan Kara <jack@suse.cz>
Date: 2017-09-27 16:03:28
Also in:
linux-fsdevel
Subsystem:
filesystems (vfs and infrastructure), nilfs2 filesystem, the rest · Maintainers:
Alexander Viro, Christian Brauner, Ryusuke Konishi, Viacheslav Dubeyko, Linus Torvalds
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 <redacted> CC: linux-nilfs@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz> --- fs/nilfs2/segment.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)
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);
--
2.12.3
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