On 2024-07-03 22:09:58, Sagi Grimberg wrote: > > > On 27/06/2024 13:01, Dan Aloni wrote: > > There are some applications that write to predefined non-overlapping > > file offsets from multiple clients and therefore don't need to rely on > > file locking. However, if these applications want non-aligned offsets > > and sizes they need to either use locks or risk data corruption, as the > > NFS client defaults to extending writes to whole pages. > > > > This commit adds a new mount option `noalignwrite`, which allows to turn > > that off and avoid the need of locking, as long as these applications > > don't overlap on offsets. > > > > Signed-off-by: Dan Aloni <dan.aloni@xxxxxxxxxxxx> > > The new name seems a better choice. > I'm also on Christoph's camp that having this behavior be the default makes > sense given that we have large folios. > > Reviewed-by: Sagi Grimberg <sagi@xxxxxxxxxxx> > > > Trond, Anna, > What are your thoughts on this? Pinging. Do we need to do anything further? I can prepare the nfs-utils patch too. -- Dan Aloni
