pipe: kill ->map() and ->unmap()

all pipe_buffer_operations have the same instances of those...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 0 insertions, 4 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 24c1f2382557..7511de35257f 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4316,8 +4316,6 @@ static void tracing_spd_release_pipe(struct splice_pipe_desc *spd,
 
 static const struct pipe_buf_operations tracing_pipe_buf_ops = {
         .can_merge              = 0,
-        .map                    = generic_pipe_buf_map,
-        .unmap                  = generic_pipe_buf_unmap,
         .confirm                = generic_pipe_buf_confirm,
         .release                = generic_pipe_buf_release,
         .steal                  = generic_pipe_buf_steal,
@@ -5194,8 +5192,6 @@ static void buffer_pipe_buf_get(struct pipe_inode_info *pipe,
 /* Pipe buffer operations for a buffer. */
 static const struct pipe_buf_operations buffer_pipe_buf_ops = {
         .can_merge              = 0,
-        .map                    = generic_pipe_buf_map,
-        .unmap                  = generic_pipe_buf_unmap,
         .confirm                = generic_pipe_buf_confirm,
         .release                = buffer_pipe_buf_release,
         .steal                  = generic_pipe_buf_steal,