Signed-off-by: Ed Cashin <ecas...@coraid.com> --- drivers/block/aoe/aoechr.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c index ed57a89..2bf6273 100644 --- a/drivers/block/aoe/aoechr.c +++ b/drivers/block/aoe/aoechr.c @@ -39,6 +39,11 @@ struct ErrMsg { }; static DEFINE_MUTEX(aoechr_mutex); + +/* A ring buffer of error messages, to be read through + * "/dev/etherd/err". When no messages are present, + * readers will block waiting for messages to appear. + */ static struct ErrMsg emsgs[NMSG]; static int emsgs_head_idx, emsgs_tail_idx; static struct completion emsgs_comp; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/