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-rw-r--r--fs/buffer.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index a3ef091..90a9886 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -281,7 +281,7 @@ static void free_more_memory(void)
struct zone *zone;
int nid;
- wakeup_pdflush(1024);
+ wakeup_flusher_threads(1024);
yield();
for_each_online_node(nid) {
@@ -1165,8 +1165,11 @@ void mark_buffer_dirty(struct buffer_head *bh)
if (!test_set_buffer_dirty(bh)) {
struct page *page = bh->b_page;
- if (!TestSetPageDirty(page))
- __set_page_dirty(page, page_mapping(page), 0);
+ if (!TestSetPageDirty(page)) {
+ struct address_space *mapping = page_mapping(page);
+ if (mapping)
+ __set_page_dirty(page, mapping, 0);
+ }
}
}
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