ocfs2: Only bug out in direct io write for reflinked extent.
In ocfs2_direct_IO_get_blocks, we only need to bug out
in case of we are going to write a recounted extent rec.
What a silly bug introduced by me!
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Cc: stable@kernel.org
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 7e9df11..4c2a6d2 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -577,8 +577,9 @@
goto bail;
}
- /* We should already CoW the refcounted extent. */
- BUG_ON(ext_flags & OCFS2_EXT_REFCOUNTED);
+ /* We should already CoW the refcounted extent in case of create. */
+ BUG_ON(create && (ext_flags & OCFS2_EXT_REFCOUNTED));
+
/*
* get_more_blocks() expects us to describe a hole by clearing
* the mapped bit on bh_result().