> Dear Takashi,
> 
> On Wed, Nov 15, 2006 at 07:14:00AM +0900, YAMAMOTO Takashi wrote:
> > > Modified Files:
> > > 	src/sys/kern: vfs_bio.c
> > > 	src/sys/sys: buf.h
> > > 
> > > Log Message:
> > > Export nestiobuf_iodone(). This allows nested iobufs to have a custom
> > > call-back function that can then call the nestiobuf_iodone() to propagate.
> > > 
> > can you explain why you want this?
> 
> Sure! Its to enable nested buffers to be queued and have their status 
> monitored. Esp. on aynchronous writes its pleasant to know if a write did 
> succeed or not and get a notification on for various reasons; if only for 
> queueing or syncing notification.

i want to know an example of "various reasons".
i guess you did this for a particular reason, right?

YAMAMOTO Takashi