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Date: Thu, 1 Jun 2017 11:32:23 +0200
From: Jan Kara <jack@...e.cz>
To: <linux-mm@...ck.org>
Cc: Hugh Dickins <hughd@...gle.com>,
David Howells <dhowells@...hat.com>,
linux-afs@...ts.infradead.org,
Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>,
linux-nilfs@...r.kernel.org, Bob Peterson <rpeterso@...hat.com>,
cluster-devel@...hat.com, Jaegeuk Kim <jaegeuk@...nel.org>,
linux-f2fs-devel@...ts.sourceforge.net, tytso@....edu,
linux-ext4@...r.kernel.org, Ilya Dryomov <idryomov@...il.com>,
"Yan, Zheng" <zyan@...hat.com>, ceph-devel@...r.kernel.org,
linux-btrfs@...r.kernel.org, David Sterba <dsterba@...e.com>,
"Darrick J . Wong" <darrick.wong@...cle.com>,
linux-xfs@...r.kernel.org,
Nadia Yvette Chambers <nyc@...omorphy.com>,
Jan Kara <jack@...e.cz>
Subject: [PATCH 13/35] mm: Remove nr_pages argument from pagevec_lookup{,_range}()
All users of pagevec_lookup() and pagevec_lookup_range() now pass
PAGEVEC_SIZE as a desired number of pages. Just drop the argument.
Signed-off-by: Jan Kara <jack@...e.cz>
---
fs/buffer.c | 3 +--
fs/ext4/file.c | 2 +-
fs/ext4/inode.c | 5 ++---
fs/fscache/page.c | 2 +-
fs/hugetlbfs/inode.c | 3 +--
fs/nilfs2/page.c | 2 +-
fs/xfs/xfs_file.c | 2 +-
include/linux/pagevec.h | 7 +++----
mm/swap.c | 5 ++---
9 files changed, 13 insertions(+), 18 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c
index d63b22e50f38..89605cb42a55 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1638,8 +1638,7 @@ void clean_bdev_aliases(struct block_device *bdev, sector_t block, sector_t len)
end = (block + len - 1) >> (PAGE_SHIFT - bd_inode->i_blkbits);
pagevec_init(&pvec, 0);
- while (pagevec_lookup_range(&pvec, bd_mapping, &index, end,
- PAGEVEC_SIZE)) {
+ while (pagevec_lookup_range(&pvec, bd_mapping, &index, end)) {
count = pagevec_count(&pvec);
for (i = 0; i < count; i++) {
struct page *page = pvec.pages[i];
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 6821070a388b..2d9a198026e5 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -482,7 +482,7 @@ static int ext4_find_unwritten_pgoff(struct inode *inode,
unsigned long nr_pages;
nr_pages = pagevec_lookup_range(&pvec, inode->i_mapping,
- &index, end, PAGEVEC_SIZE);
+ &index, end);
if (nr_pages == 0)
break;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 59d82530d269..ace4bb9073d8 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1670,8 +1670,7 @@ static void mpage_release_unused_pages(struct mpage_da_data *mpd,
pagevec_init(&pvec, 0);
while (index <= end) {
- nr_pages = pagevec_lookup_range(&pvec, mapping, &index, end,
- PAGEVEC_SIZE);
+ nr_pages = pagevec_lookup_range(&pvec, mapping, &index, end);
if (nr_pages == 0)
break;
for (i = 0; i < nr_pages; i++) {
@@ -2284,7 +2283,7 @@ static int mpage_map_and_submit_buffers(struct mpage_da_data *mpd)
pagevec_init(&pvec, 0);
while (start <= end) {
nr_pages = pagevec_lookup_range(&pvec, inode->i_mapping,
- &start, end, PAGEVEC_SIZE);
+ &start, end);
if (nr_pages == 0)
break;
for (i = 0; i < nr_pages; i++) {
diff --git a/fs/fscache/page.c b/fs/fscache/page.c
index 83018861dcd2..0ad3fd3ad0b4 100644
--- a/fs/fscache/page.c
+++ b/fs/fscache/page.c
@@ -1178,7 +1178,7 @@ void __fscache_uncache_all_inode_pages(struct fscache_cookie *cookie,
pagevec_init(&pvec, 0);
next = 0;
do {
- if (!pagevec_lookup(&pvec, mapping, &next, PAGEVEC_SIZE))
+ if (!pagevec_lookup(&pvec, mapping, &next))
break;
for (i = 0; i < pagevec_count(&pvec); i++) {
struct page *page = pvec.pages[i];
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 99885f9b9d56..461e01500e60 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -413,8 +413,7 @@ static void remove_inode_hugepages(struct inode *inode, loff_t lstart,
/*
* When no more pages are found, we are done.
*/
- if (!pagevec_lookup_range(&pvec, mapping, &next, end - 1,
- PAGEVEC_SIZE))
+ if (!pagevec_lookup_range(&pvec, mapping, &next, end - 1))
break;
for (i = 0; i < pagevec_count(&pvec); ++i) {
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 382a36c72d72..8616c46d33da 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -312,7 +312,7 @@ void nilfs_copy_back_pages(struct address_space *dmap,
pagevec_init(&pvec, 0);
repeat:
- n = pagevec_lookup(&pvec, smap, &index, PAGEVEC_SIZE);
+ n = pagevec_lookup(&pvec, smap, &index);
if (!n)
return;
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index f9343dac7ff9..a7abc981e4a9 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1049,7 +1049,7 @@ xfs_find_get_desired_pgoff(
unsigned int i;
nr_pages = pagevec_lookup_range(&pvec, inode->i_mapping,
- &index, end, PAGEVEC_SIZE);
+ &index, end);
if (nr_pages == 0)
break;
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index 7df056910437..4dcd5506f1ed 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -29,13 +29,12 @@ unsigned pagevec_lookup_entries(struct pagevec *pvec,
void pagevec_remove_exceptionals(struct pagevec *pvec);
unsigned pagevec_lookup_range(struct pagevec *pvec,
struct address_space *mapping,
- pgoff_t *start, pgoff_t end, unsigned nr_pages);
+ pgoff_t *start, pgoff_t end);
static inline unsigned pagevec_lookup(struct pagevec *pvec,
struct address_space *mapping,
- pgoff_t *start, unsigned nr_pages)
+ pgoff_t *start)
{
- return pagevec_lookup_range(pvec, mapping, start, (pgoff_t)-1,
- nr_pages);
+ return pagevec_lookup_range(pvec, mapping, start, (pgoff_t)-1);
}
unsigned pagevec_lookup_tag(struct pagevec *pvec,
diff --git a/mm/swap.c b/mm/swap.c
index 804c9867af96..a07a0105154b 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -961,10 +961,9 @@ void pagevec_remove_exceptionals(struct pagevec *pvec)
* reached.
*/
unsigned pagevec_lookup_range(struct pagevec *pvec,
- struct address_space *mapping, pgoff_t *start, pgoff_t end,
- unsigned nr_pages)
+ struct address_space *mapping, pgoff_t *start, pgoff_t end)
{
- pvec->nr = find_get_pages_range(mapping, start, end, nr_pages,
+ pvec->nr = find_get_pages_range(mapping, start, end, PAGEVEC_SIZE,
pvec->pages);
return pagevec_count(pvec);
}
--
2.12.3
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