get rid of pipe->inode
it's used only as a flag to distinguish normal pipes/FIFOs from the
internal per-task one used by file-to-file splice. And pipe->files
would work just as well for that purpose...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/pipe.c b/fs/pipe.c
index e2fc5cc..39bdec0 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -55,7 +55,7 @@
static void pipe_lock_nested(struct pipe_inode_info *pipe, int subclass)
{
- if (pipe->inode)
+ if (pipe->files)
mutex_lock_nested(&pipe->mutex, subclass);
}
@@ -70,7 +70,7 @@
void pipe_unlock(struct pipe_inode_info *pipe)
{
- if (pipe->inode)
+ if (pipe->files)
mutex_unlock(&pipe->mutex);
}
EXPORT_SYMBOL(pipe_unlock);
@@ -785,7 +785,6 @@
if (pipe->bufs) {
init_waitqueue_head(&pipe->wait);
pipe->r_counter = pipe->w_counter = 1;
- pipe->inode = inode;
pipe->buffers = PIPE_DEF_BUFFERS;
mutex_init(&pipe->mutex);
return pipe;