The patch titled
Subject: nilfs2: use pagevec_lookup_range_tag()
has been added to the -mm tree. Its filename is
nilfs2-use-pagevec_lookup_range_tag.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/nilfs2-use-pagevec_lookup_range_tag.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/nilfs2-use-pagevec_lookup_range_tag.patch
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------------------------------------------------------
From: Jan Kara <jack@xxxxxxx>
Subject: nilfs2: use pagevec_lookup_range_tag()
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.
Link: http://lkml.kernel.org/r/20171009151359.31984-10-jack@xxxxxxx
Signed-off-by: Jan Kara <jack@xxxxxxx>
Reviewed-by: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>
Acked-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
Cc: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/nilfs2/segment.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff -puN fs/nilfs2/segment.c~nilfs2-use-pagevec_lookup_range_tag fs/nilfs2/segment.c
--- a/fs/nilfs2/segment.c~nilfs2-use-pagevec_lookup_range_tag
+++ a/fs/nilfs2/segment.c
@@ -711,18 +711,14 @@ static size_t nilfs_lookup_dirty_data_bu
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);
_
Patches currently in -mm which might be from jack@xxxxxxx are
mm-readahead-increase-maximum-readahead-window.patch
mm-implement-find_get_pages_range_tag.patch
btrfs-use-pagevec_lookup_range_tag.patch
ceph-use-pagevec_lookup_range_tag.patch
ext4-use-pagevec_lookup_range_tag.patch
f2fs-use-pagevec_lookup_range_tag.patch
f2fs-simplify-page-iteration-loops.patch
f2fs-use-find_get_pages_tag-for-looking-up-single-page.patch
gfs2-use-pagevec_lookup_range_tag.patch
nilfs2-use-pagevec_lookup_range_tag.patch
mm-use-pagevec_lookup_range_tag-in-__filemap_fdatawait_range.patch
mm-use-pagevec_lookup_range_tag-in-write_cache_pages.patch
mm-add-variant-of-pagevec_lookup_range_tag-taking-number-of-pages.patch
ceph-use-pagevec_lookup_range_nr_tag.patch
mm-remove-nr_pages-argument-from-pagevec_lookup_range_tag.patch
afs-use-find_get_pages_range_tag.patch
cifs-use-find_get_pages_range_tag.patch
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