Re: [PATCH RFC 1/3] vfs: add copy_file_range syscall and vfs helper

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat, Apr 11, 2015 at 09:04:02AM -0400, Jeff Layton wrote:
> Yuck! How the heck do you clean up the mess if that happens? I guess
> you're just stuck redoing the copy with normal READ/WRITE?
> 
> Maybe we need to have the interface return a hard error in that
> case and not try to give back any sort of offset?

The NFSv4.2 COPY interface is a train wreck.  At least for Linux I'd
expect us to simply ignore it and only implement my new CLONE operation
with sane semantics.  That is unless someone can show some real life
use case for the inter server copy, in which case we'll have to deal
with that mess.  But getting that one right at the VFS level will
be a nightmare anyway.

Make this a vote from me to not support partial copies and just return
and error in that case.
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Filesystem Development]     [Linux USB Development]     [Linux Media Development]     [Video for Linux]     [Linux NILFS]     [Linux Audio Users]     [Yosemite Info]     [Linux SCSI]

  Powered by Linux