From: Tom Zanussi This patch adds missing documentation to the subbuf_start() callback. Thanks to Mathieu Desnoyers for pointing it out. Signed-off-by: Tom Zanussi Signed-off-by: Andrew Morton --- include/linux/relayfs_fs.h | 3 +++ 1 files changed, 3 insertions(+) diff -puN include/linux/relayfs_fs.h~relayfs-function-docfix include/linux/relayfs_fs.h --- 25/include/linux/relayfs_fs.h~relayfs-function-docfix Fri Jun 24 16:16:59 2005 +++ 25-akpm/include/linux/relayfs_fs.h Fri Jun 24 16:16:59 2005 @@ -89,6 +89,9 @@ struct rchan_callbacks * @prev_subbuf_idx: the previous sub-buffer's index * @prev_subbuf: the start of the previous sub-buffer * + * The client should return the number of bytes it reserves at + * the beginning of the sub-buffer, 0 if none. + * * NOTE: subbuf_start will also be invoked when the buffer is * created, so that the first sub-buffer can be initialized * if necessary. In this case, prev_subbuf will be NULL. _