diff options
Diffstat (limited to 'include/linux/pipe_fs_i.h')
| -rw-r--r-- | include/linux/pipe_fs_i.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index 59778e1c9c08..d803a85a64b6 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -27,6 +27,7 @@ struct pipe_buffer { /** * struct pipe_inode_info - a linux kernel pipe + * @mutex: mutex protecting the whole thing * @wait: reader/writer wait point in case of empty/full pipe * @nrbufs: the number of non-empty pipe buffers in this pipe * @buffers: total number of buffers (should be a power of 2) @@ -44,6 +45,7 @@ struct pipe_buffer { * @bufs: the circular array of pipe buffers **/ struct pipe_inode_info { + struct mutex mutex; wait_queue_head_t wait; unsigned int nrbufs, curbuf, buffers; unsigned int readers; |