On Mon, May 05, 2025 at 04:27:56PM +0100, John Garry wrote: > On 05/05/2025 15:48, John Garry wrote: >>>> @Darrick, please comment on whether happy with changes discussed. >>> I put the sync_blockdev calls in a separate function so that the >>> EIO/ENOSPC/whatever errors that come from the block device sync don't >>> get morphed into ENOMEM by xfs_alloc_buftarg before being passed up. I >>> suppose we could make that function return an ERR_PTR, but I was trying >>> to avoid making even more changes at the last minute, again. >> >> It seems simpler to just have the individual sync_blockdev() calls from >> xfs_alloc_buftarg(), rather than adding ERR_PTR() et al handling in both >> xfs_alloc_buftarg() and xfs_open_devices(). > > Which of the following is better: To me version 2 looks much better. I had initial reservations as ERR_PTR doesn't play well with userspace, but none of this code is in libxfs, so that should be fine.