Re: [Qemu-devel] [PATCH] block: extend BLOCK_IO_ERROR event with nospace indicator

2014-09-09 Thread Luiz Capitulino
On Tue, 9 Sep 2014 15:23:50 +0200 Kevin Wolf wrote: > Am 09.09.2014 um 14:53 hat Eric Blake geschrieben: > > On 09/09/2014 06:43 AM, Luiz Capitulino wrote: > > > > >> Enhancing query-block in addition to the event makes sense, if it is > > >> easy enough to do. At this point, we are talking abo

Re: [Qemu-devel] [PATCH] block: extend BLOCK_IO_ERROR event with nospace indicator

2014-09-09 Thread Kevin Wolf
Am 09.09.2014 um 14:53 hat Eric Blake geschrieben: > On 09/09/2014 06:43 AM, Luiz Capitulino wrote: > > >> Enhancing query-block in addition to the event makes sense, if it is > >> easy enough to do. At this point, we are talking about debugging aids, > >> so as long as they are documented approp

Re: [Qemu-devel] [PATCH] block: extend BLOCK_IO_ERROR event with nospace indicator

2014-09-09 Thread Eric Blake
On 09/09/2014 06:43 AM, Luiz Capitulino wrote: >> Enhancing query-block in addition to the event makes sense, if it is >> easy enough to do. At this point, we are talking about debugging aids, >> so as long as they are documented appropriately, I won't be too fussy. > > OK, but I'm wondering if

Re: [Qemu-devel] [PATCH] block: extend BLOCK_IO_ERROR event with nospace indicator

2014-09-09 Thread Luiz Capitulino
On Tue, 09 Sep 2014 06:37:31 -0600 Eric Blake wrote: > On 09/09/2014 02:27 AM, Kevin Wolf wrote: > > >>> > >>> What was our conclusion wrt the human-readable strerror() string for > >>> debugging? Didn't we want to add that as well? > >> > >> I can do it on top of this patch. So, just adding a n

Re: [Qemu-devel] [PATCH] block: extend BLOCK_IO_ERROR event with nospace indicator

2014-09-09 Thread Eric Blake
On 09/09/2014 02:27 AM, Kevin Wolf wrote: >>> >>> What was our conclusion wrt the human-readable strerror() string for >>> debugging? Didn't we want to add that as well? >> >> I can do it on top of this patch. So, just adding a new field for this >> is fine? > > I think so. Perhaps we should give

Re: [Qemu-devel] [PATCH] block: extend BLOCK_IO_ERROR event with nospace indicator

2014-09-09 Thread Kevin Wolf
Am 08.09.2014 um 18:57 hat Luiz Capitulino geschrieben: > On Mon, 8 Sep 2014 17:33:18 +0200 > Kevin Wolf wrote: > > > Am 08.09.2014 um 16:42 hat Luiz Capitulino geschrieben: > > > On Fri, 29 Aug 2014 16:07:27 -0400 > > > Luiz Capitulino wrote: > > > > > > > Management software, such as RHEV's v

Re: [Qemu-devel] [PATCH] block: extend BLOCK_IO_ERROR event with nospace indicator

2014-09-08 Thread Luiz Capitulino
On Mon, 8 Sep 2014 17:33:18 +0200 Kevin Wolf wrote: > Am 08.09.2014 um 16:42 hat Luiz Capitulino geschrieben: > > On Fri, 29 Aug 2014 16:07:27 -0400 > > Luiz Capitulino wrote: > > > > > Management software, such as RHEV's vdsm, want to be able to allocate > > > disk space on demand. The basic u

Re: [Qemu-devel] [PATCH] block: extend BLOCK_IO_ERROR event with nospace indicator

2014-09-08 Thread Kevin Wolf
Am 08.09.2014 um 16:42 hat Luiz Capitulino geschrieben: > On Fri, 29 Aug 2014 16:07:27 -0400 > Luiz Capitulino wrote: > > > Management software, such as RHEV's vdsm, want to be able to allocate > > disk space on demand. The basic use case is to start a VM with a small > > disk and then the disk i

Re: [Qemu-devel] [PATCH] block: extend BLOCK_IO_ERROR event with nospace indicator

2014-09-08 Thread Luiz Capitulino
On Fri, 29 Aug 2014 16:07:27 -0400 Luiz Capitulino wrote: > Management software, such as RHEV's vdsm, want to be able to allocate > disk space on demand. The basic use case is to start a VM with a small > disk and then the disk is enlarged when QEMU hits a ENOSPC condition. > > To this end, the

Re: [Qemu-devel] [PATCH] block: extend BLOCK_IO_ERROR event with nospace indicator

2014-08-29 Thread Eric Blake
On 08/29/2014 02:07 PM, Luiz Capitulino wrote: > Management software, such as RHEV's vdsm, want to be able to allocate > disk space on demand. The basic use case is to start a VM with a small > disk and then the disk is enlarged when QEMU hits a ENOSPC condition. > > To this end, the management so

[Qemu-devel] [PATCH] block: extend BLOCK_IO_ERROR event with nospace indicator

2014-08-29 Thread Luiz Capitulino
Management software, such as RHEV's vdsm, want to be able to allocate disk space on demand. The basic use case is to start a VM with a small disk and then the disk is enlarged when QEMU hits a ENOSPC condition. To this end, the management software has to be notified when QEMU encounters ENOSPC. Th