On Wed, Mar 27, 2024 at 09:59:13AM -0700, Christoph Hellwig wrote: > On Tue, Mar 26, 2024 at 07:43:35PM -0700, Darrick J. Wong wrote: > > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > > > XFS has this behavior in its reflink implementation where it returns > > ENOSPC if one of the AGs that would be involved in the sharing operation > > becomes more than 90% full. As Kent Overstreet points out, that means > > the snapshot creator shuts down when the filesystem is only about a > > third full. We could exercise the system harder by not *forcing* > > reflink, which will actually fill the filesystem full. > > All these tests are supposed to test the reflink code, how does > using cp --reflink=auto make sense for that? /me feel confusion too:) I'll merge other 3 patches of this patchset at first. Feel free to re-send this patch in another PATCHSET later. Thanks, Zorro >