On Wed, Mar 27, 2024 at 04:06:48AM -0700, Christoph Hellwig wrote: > On Tue, Mar 26, 2024 at 06:56:29PM -0700, Darrick J. Wong wrote: > > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > > > This patch introduces two more new ioctls to manage atomic updates to > > file contents -- XFS_IOC_START_COMMIT and XFS_IOC_COMMIT_RANGE. The > > commit mechanism here is exactly the same as what XFS_IOC_EXCHANGE_RANGE > > does, but with the additional requirement that file2 cannot have changed > > since some sampling point. The start-commit ioctl performs the sampling > > of file attributes. > > Unless we actually have a good use case for this right now I'd still > prefer to skip it. <nod> I'll leave this in djwong-wtf for review, but eventually I'll turn it into a separate branch that can be picked up or not. --D