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-rw-r--r--mm/page-writeback.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index eb277bdd4c5..01b9cb8ccf6 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -871,6 +871,7 @@ int write_cache_pages(struct address_space *mapping,
pgoff_t uninitialized_var(writeback_index);
pgoff_t index;
pgoff_t end; /* Inclusive */
+ pgoff_t done_index;
int cycled;
int range_whole = 0;
long nr_to_write = wbc->nr_to_write;
@@ -897,6 +898,7 @@ int write_cache_pages(struct address_space *mapping,
cycled = 1; /* ignore range_cyclic tests */
}
retry:
+ done_index = index;
while (!done && (index <= end) &&
(nr_pages = pagevec_lookup_tag(&pvec, mapping, &index,
PAGECACHE_TAG_DIRTY,
@@ -906,6 +908,8 @@ retry:
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];
+ done_index = page->index + 1;
+
/*
* At this point we hold neither mapping->tree_lock nor
* lock on the page itself: the page may be truncated or
@@ -968,7 +972,7 @@ retry:
}
if (!wbc->no_nrwrite_index_update) {
if (wbc->range_cyclic || (range_whole && nr_to_write > 0))
- mapping->writeback_index = index;
+ mapping->writeback_index = done_index;
wbc->nr_to_write = nr_to_write;
}