On 27.08.19 18:58, Max Reitz wrote:
> On 27.08.19 03:05, Nir Soffer wrote:
>> When creating an image with preallocation "off" or "falloc", the first
>> block of the image is typically not allocated. When using Gluster
>> storage backed by XFS filesystem, reading this block using direct I/O
>> succe
On 27.08.19 03:05, Nir Soffer wrote:
> When creating an image with preallocation "off" or "falloc", the first
> block of the image is typically not allocated. When using Gluster
> storage backed by XFS filesystem, reading this block using direct I/O
> succeeds regardless of request length, fooling
When creating an image with preallocation "off" or "falloc", the first
block of the image is typically not allocated. When using Gluster
storage backed by XFS filesystem, reading this block using direct I/O
succeeds regardless of request length, fooling alignment detection.
In this case we fallbac