On Thu, Aug 05, 2021 at 11:12:39PM +0100, Matthew Wilcox wrote: > On Thu, Aug 05, 2021 at 02:31:54PM -0700, Darrick J. Wong wrote: > > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > > > Modern-day mapping_set_error has the ability to squash the usual > > negative error code into something appropriate for long-term storage in > > a struct address_space -- ENOSPC becomes AS_ENOSPC, and everything else > > becomes EIO. iomap squashes /everything/ to EIO, just as XFS did before > > that, but this doesn't make sense. > > > > Fix this by making it so that we can pass ENOSPC to userspace when > > writeback fails due to space problems. > > > > Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> > > I could have sworn I sent this patch in earlier. Anyway, > > Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> It was an RFC that I then forgot about for a while. I'll stuff this in the iomap for-next branch the next time I do an update, which ... let's see where the iomap iter series goes, review-wise. --D
