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.
Reviewed: https:/ /review. openstack. org/616580 /git.openstack. org/cgit/ openstack/ nova/commit/ ?id=14d98ef1b48 ca7b2ea468a8f1e c967b954955a63
Committed: https:/
Submitter: Zuul
Branch: master
commit 14d98ef1b48ca7b 2ea468a8f1ec967 b954955a63
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.
Change-Id: I5151ae01e90506 747860d9780547b 0d4ce91d8bc
Closes-Bug: 1801702
Co-Authored-By: Alexandre Arents <email address hidden>