pipe: don't use ->i_mutex
now it can be done - put mutex into pipe_inode_info, use it instead
of ->i_mutex
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 1c93e77..8a7509f 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2465,8 +2465,7 @@
out->f_path.dentry->d_name.len,
out->f_path.dentry->d_name.name, len);
- if (pipe->inode)
- mutex_lock_nested(&pipe->inode->i_mutex, I_MUTEX_PARENT);
+ pipe_lock(pipe);
splice_from_pipe_begin(&sd);
do {
@@ -2486,8 +2485,7 @@
} while (ret > 0);
splice_from_pipe_end(pipe, &sd);
- if (pipe->inode)
- mutex_unlock(&pipe->inode->i_mutex);
+ pipe_unlock(pipe);
if (sd.num_spliced)
ret = sd.num_spliced;