Currently we use find_get_entries() shmem which just opencode what
pagevec_lookup_entries() does. Use pagevec_lookup_entries() instead
except for one case which plays tricks with number of pages looked up
and it won't fit in how we will make pagevec_lookup_entries() work.
CC: Hugh Dickins <hu...@google.com>
Signed-off-by: Jan Kara <j...@suse.cz>
---
mm/shmem.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/mm/shmem.c b/mm/shmem.c
index a614a9cfb58c..8a6fddec27a1 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -768,10 +768,9 @@ static void shmem_undo_range(struct inode *inode, loff_t
lstart, loff_t lend,
pagevec_init(&pvec, 0);
index = start;
while (index < end) {
- pvec.nr = find_get_entries(mapping, index,
- min(end - index, (pgoff_t)PAGEVEC_SIZE),
- pvec.pages, indices);
- if (!pvec.nr)
+ if (!pagevec_lookup_entries(&pvec, mapping, index,
+ min(end - index, (pgoff_t)PAGEVEC_SIZE),
+ indices))
break;
for (i = 0; i < pagevec_count(&pvec); i++) {
struct page *page = pvec.pages[i];
@@ -859,10 +858,9 @@ static void shmem_undo_range(struct inode *inode, loff_t
lstart, loff_t lend,
while (index < end) {
cond_resched();
- pvec.nr = find_get_entries(mapping, index,
+ if (!pagevec_lookup_entries(&pvec, mapping, index,
min(end - index, (pgoff_t)PAGEVEC_SIZE),
- pvec.pages, indices);
- if (!pvec.nr) {
+ indices)) {
/* If all gone or hole-punch or unfalloc, we're done */
if (index == start || end != -1)
break;
--
2.12.3
--
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