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-rw-r--r--mm/filemap.c3
-rw-r--r--mm/page-writeback.c3
2 files changed, 5 insertions, 1 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 1e6a7d34874..65d9d9e2b75 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -236,11 +236,12 @@ int filemap_fdatawrite(struct address_space *mapping)
}
EXPORT_SYMBOL(filemap_fdatawrite);
-static int filemap_fdatawrite_range(struct address_space *mapping, loff_t start,
+int filemap_fdatawrite_range(struct address_space *mapping, loff_t start,
loff_t end)
{
return __filemap_fdatawrite_range(mapping, start, end, WB_SYNC_ALL);
}
+EXPORT_SYMBOL(filemap_fdatawrite_range);
/**
* filemap_flush - mostly a non-blocking flush
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index b38f700825f..94c6d8988ab 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -960,6 +960,9 @@ 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);