On Fri, Feb 09, 2024 at 09:22:20AM +0000, John Garry wrote: > On 09/02/2024 07:14, Ojaswin Mujoo wrote: > > On Wed, Jan 24, 2024 at 02:26:39PM +0000, John Garry wrote: > > > This series expands atomic write support to filesystems, specifically > > > XFS. Since XFS rtvol supports extent alignment already, support will > > > initially be added there. When XFS forcealign feature is merged, then we > > > can similarly support atomic writes for a non-rtvol filesystem. > > > > Hi John, > > > > Along with rtvol check, we can also have a simple check to see if the > > FS blocksize itself is big enough to satisfy the atomic requirements. > > For eg on machines with 64K page, we can have say 16k or 64k block sizes > > which should be able to provide required allocation behavior for atomic > > writes. In such cases we don't need rtvol. > > > I suppose we could do, but I would rather just concentrate on rtvol support > initially, and there we do report atomic write unit min = FS block size > (even if rt extsize is unset). Okay understood. Thanks, ojaswin > > In addition, I plan to initially just support atomic write unit min = FS > block size (for both rtvol and !rtvol). > > Thanks, > John
