Re: [PATCH] xfs: Check for deallayed allocations before setting extsize

[Christoph Hellwig]

On Fri, Oct 04, 2024 at 02:26:07PM +0530, Ojaswin Mujoo wrote:
> Hi Christoph, actually now that we are also planning to use this for
> atomic writes, we are thinking to add a generic extsize ioctl 
> test to check for:
> 
> 1. Setting hint on empty file should pass
> 2. Setting hint on a file with delayed allocation data should fail
> 3. Setting hint on a file with allocated data should fail
> 4. Setting hint on a file which is truncated to size 0 after write should pass
> 
> So that should cover this for ext4 and xfs as well.

Sounds good.