The current check uses an alignment of 512 bytes and will fail when the
underlying device has sectors of size 4096 bytes, as is common e.g. for
NVMe disks. So use an alignment of 4096 bytes, which is a multiple of
512 bytes and thus will cover both cases.
Conflicts:
nova/privsep/utils.py
- supports_direct_io() is still in nova/utils.py for older
stable branches
Reviewed: https:/ /review. openstack. org/619220 /git.openstack. org/cgit/ openstack/ nova/commit/ ?id=f8eb8a7bc52 448ede25cb8ac67 fcb1818d3fdd2e
Committed: https:/
Submitter: Zuul
Branch: stable/queens
commit f8eb8a7bc52448e de25cb8ac67fcb1 818d3fdd2e
Author: Jens Harbott <email address hidden>
Date: Thu Nov 8 15:06:26 2018 +0000
Make supports_direct_io work on 4096b sector size
The current check uses an alignment of 512 bytes and will fail when the
underlying device has sectors of size 4096 bytes, as is common e.g. for
NVMe disks. So use an alignment of 4096 bytes, which is a multiple of
512 bytes and thus will cover both cases.
Conflicts: privsep/ utils.py direct_ io() is still in nova/utils.py for older
nova/
- supports_
stable branches
Change-Id: I5151ae01e90506 747860d9780547b 0d4ce91d8bc 2ea468a8f1ec967 b954955a63)
Closes-Bug: 1801702
Co-Authored-By: Alexandre Arents <email address hidden>
(cherry picked from commit 14d98ef1b48ca7b