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-rw-r--r--include/linux/writeback.h1
-rw-r--r--mm/page-writeback.c3
2 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index f462439cc28..0d8573e6b9e 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -63,6 +63,7 @@ struct writeback_control {
unsigned for_writepages:1; /* This is a writepages() call */
unsigned range_cyclic:1; /* range_start is cyclic */
unsigned more_io:1; /* more io to be dispatched */
+ unsigned range_cont:1;
};
/*
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 789b6adbef3..ded57d52806 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -956,6 +956,9 @@ retry:
}
if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
mapping->writeback_index = index;
+
+ if (wbc->range_cont)
+ wbc->range_start = index << PAGE_CACHE_SHIFT;
return ret;
}
EXPORT_SYMBOL(write_cache_pages);