Re: [PATCH 0/5] block: Improve writethrough performance

2025-03-10 Thread Stefan Hajnoczi
On Fri, Mar 07, 2025 at 11:16:29PM +0100, Kevin Wolf wrote: > Write requests in writethrough mode mean that QEMU sends a separate > flush request (i.e. fdatasync) after each completed write request. > This is unnecessary overhead when we can just pass a flag for the write > request that gives us th

[PATCH 0/5] block: Improve writethrough performance

2025-03-07 Thread Kevin Wolf
Write requests in writethrough mode mean that QEMU sends a separate flush request (i.e. fdatasync) after each completed write request. This is unnecessary overhead when we can just pass a flag for the write request that gives us the desired FUA semantics. Unfortunately, this made a problem in the