Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

Kevin's fix for the divide-by-zero in my recent discard commit, triggered when
a host block device does not support discard.

# -----BEGIN PGP SIGNATURE-----
#
# iQEzBAABCgAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmgSRfsACgkQnKSrs4Gr
# c8hGBwf8CBoDZzCJAE1sw2GSKnnd3J2qGf4Kg6CcMYOSZ8TLssDKQj6HG2gfWaJZ
# it9g9zq7TsodWCyV/qXrzOy5aa7WX8Tsf10O/87baFqGOp82KMPX8jQK1csRnTTF
# QyDocZhIvO+QJXnmnFjtvY7qfaxkzaT/8U+mWgaQM2zG83BNGg3uNyRPyz+RAfYl
# tVM3xNf2ETbN3D8SIOcpr80/tiWP8dZ8xTLyTfBYPbIP59QX2+Iu8BtLFt9npwT6
# kABnFkqnE/pA6FJz0ZIVenduOBs7IUSQFNvmxAjYIwxowQKsk4WFfjJEKHIHzwwO
# a64i43DcH8XgjCcueJ11DnmoB5RfAg==
# =yODA
# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 30 Apr 2025 11:47:07 EDT
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [ultimate]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [ultimate]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
  file-posix: Fix crash on discard_granularity == 0

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>