On 06/28/2016 05:21 AM, Denis V. Lunev wrote: > On 06/23/2016 02:37 PM, Denis V. Lunev wrote: >> Partial write most likely means that there is not space rather than >> "something wrong happens". Thus it would be more natural to return >> ENOSPC rather than EINVAL. >> >> The problem actually happens with NBD server, which has reported EINVAL >> rather then ENOSPC on the first error using its protocol, which makes >> report to the user wrong.
I'm not stating that this patch is wrong, but I'm also wondering if NBD code needs to be patched (the NBD protocol specifically recommends ENOSPC rather than EINVAL on attempts to write larger than size). In fact, commit 29b6c3b3 may have been that fix. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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