Signed-off-by: majianpeng <majianpeng@xxxxxxxxx>
---
drivers/md/bitmap.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 17e2b47..74540d7 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -376,6 +376,8 @@ static struct page *read_page(struct file *file, unsigned long index,
bh->b_blocknr = bmap(inode, block);
if (bh->b_blocknr == 0) {
/* Cannot use this file! */
+ wait_event(bitmap->write_wait,
+ atomic_read(&bitmap->pending_writes) == 0);
free_buffers(page);
page = ERR_PTR(-EINVAL);
goto out;
--
1.7.5.4
--------------
majianpeng
2012-05-18
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
