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authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-07 06:49:49 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-07 06:49:49 +0300
commitd34fc1adf01ff87026da85fb972dc259dc347540 (patch)
tree27356073d423187157b7cdb69da32b53102fb9e7 /fs/ext4/inode.c
parent1c9fe4409ce3e9c78b1ed96ee8ed699d4f03bf33 (diff)
parentd2cd9ede6e193dd7d88b6d27399e96229a551b19 (diff)
downloadlinux-d34fc1adf01ff87026da85fb972dc259dc347540.tar.xz
Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton: - various misc bits - DAX updates - OCFS2 - most of MM * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (119 commits) mm,fork: introduce MADV_WIPEONFORK x86,mpx: make mpx depend on x86-64 to free up VMA flag mm: add /proc/pid/smaps_rollup mm: hugetlb: clear target sub-page last when clearing huge page mm: oom: let oom_reap_task and exit_mmap run concurrently swap: choose swap device according to numa node mm: replace TIF_MEMDIE checks by tsk_is_oom_victim mm, oom: do not rely on TIF_MEMDIE for memory reserves access z3fold: use per-cpu unbuddied lists mm, swap: don't use VMA based swap readahead if HDD is used as swap mm, swap: add sysfs interface for VMA based swap readahead mm, swap: VMA based swap readahead mm, swap: fix swap readahead marking mm, swap: add swap readahead hit statistics mm/vmalloc.c: don't reinvent the wheel but use existing llist API mm/vmstat.c: fix wrong comment selftests/memfd: add memfd_create hugetlbfs selftest mm/shmem: add hugetlbfs support to memfd_create() mm, devm_memremap_pages: use multi-order radix for ZONE_DEVICE lookups mm/vmalloc.c: halve the number of comparisons performed in pcpu_get_vm_areas() ...
Diffstat (limited to 'fs/ext4/inode.c')
-rw-r--r--fs/ext4/inode.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 714396760616..e963508ea35f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1720,13 +1720,12 @@ static void mpage_release_unused_pages(struct mpage_da_data *mpd,
pagevec_init(&pvec, 0);
while (index <= end) {
- nr_pages = pagevec_lookup(&pvec, mapping, index, PAGEVEC_SIZE);
+ nr_pages = pagevec_lookup_range(&pvec, mapping, &index, end);
if (nr_pages == 0)
break;
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];
- if (page->index > end)
- break;
+
BUG_ON(!PageLocked(page));
BUG_ON(PageWriteback(page));
if (invalidate) {
@@ -1737,7 +1736,6 @@ static void mpage_release_unused_pages(struct mpage_da_data *mpd,
}
unlock_page(page);
}
- index = pvec.pages[nr_pages - 1]->index + 1;
pagevec_release(&pvec);
}
}
@@ -2348,17 +2346,13 @@ static int mpage_map_and_submit_buffers(struct mpage_da_data *mpd)
pagevec_init(&pvec, 0);
while (start <= end) {
- nr_pages = pagevec_lookup(&pvec, inode->i_mapping, start,
- PAGEVEC_SIZE);
+ nr_pages = pagevec_lookup_range(&pvec, inode->i_mapping,
+ &start, end);
if (nr_pages == 0)
break;
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];
- if (page->index > end)
- break;
- /* Up to 'end' pages must be contiguous */
- BUG_ON(page->index != start);
bh = head = page_buffers(page);
do {
if (lblk < mpd->map.m_lblk)
@@ -2403,7 +2397,6 @@ static int mpage_map_and_submit_buffers(struct mpage_da_data *mpd)
pagevec_release(&pvec);
return err;
}
- start++;
}
pagevec_release(&pvec);
}