On 09/12/2010 05:29 PM, Anthony Liguori wrote:
On 09/12/2010 08:26 AM, Avi Kivity wrote:
On 09/12/2010 03:08 PM, Anthony Liguori wrote:
This can cause a disk read, no? Shouldn't it be made asynchronous?
Yes, it should. I'm not sure there's an easy way to make it
asynchronous though not
On 09/12/2010 08:26 AM, Avi Kivity wrote:
On 09/12/2010 03:08 PM, Anthony Liguori wrote:
This can cause a disk read, no? Shouldn't it be made asynchronous?
Yes, it should. I'm not sure there's an easy way to make it
asynchronous though not because of the block layer but because of how
th
On 09/12/2010 03:08 PM, Anthony Liguori wrote:
This can cause a disk read, no? Shouldn't it be made asynchronous?
Yes, it should. I'm not sure there's an easy way to make it
asynchronous though not because of the block layer but because of how
these functions are called.
Sorry to harp o
On 09/12/2010 05:42 AM, Avi Kivity wrote:
On 09/11/2010 05:04 PM, Anthony Liguori wrote:
This fixes a couple nasty problems relating to live migration.
1) When dealing with shared storage with weak coherence (i.e. NFS),
even if
we re-read, we may end up with undesired caching. By delayin
On 09/11/2010 05:04 PM, Anthony Liguori wrote:
This fixes a couple nasty problems relating to live migration.
1) When dealing with shared storage with weak coherence (i.e. NFS), even if
we re-read, we may end up with undesired caching. By delaying any reads
until we absolutely have to,
On 09/11/2010 12:24 PM, Stefan Hajnoczi wrote:
On Sat, Sep 11, 2010 at 3:04 PM, Anthony Liguori wrote:
This fixes a couple nasty problems relating to live migration.
1) When dealing with shared storage with weak coherence (i.e. NFS), even if
we re-read, we may end up with undesired cach
On Sat, Sep 11, 2010 at 3:04 PM, Anthony Liguori wrote:
> This fixes a couple nasty problems relating to live migration.
>
> 1) When dealing with shared storage with weak coherence (i.e. NFS), even if
> we re-read, we may end up with undesired caching. By delaying any reads
> until we absolut
This fixes a couple nasty problems relating to live migration.
1) When dealing with shared storage with weak coherence (i.e. NFS), even if
we re-read, we may end up with undesired caching. By delaying any reads
until we absolutely have to, we decrease the likelihood of any undesirable
ca
