Re: [PATCH] xfs: report a writeback error on a read() call

From: Christoph Hellwig
Date: Wed Jun 25 2025 - 07:57:58 EST


On Wed, Jun 25, 2025 at 07:49:31AM -0400, Jeff Layton wrote:
> Another idea: add a new generic ioctl() that checks for writeback
> errors without syncing anything. That would be fairly simple to do and
> sounds like it would be useful, but I'd want to hear a better
> description of the use-case before we did anything like that.

That's what I mean with my above proposal, except that I though of an
fcntl or syscall and not an ioctl.