Re: [PATCH 2/2] ext4: Fix ENOSPC handling in DAX page fault handler

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On Thu, Dec 21, 2017 at 05:30:55PM +0100, Jan Kara wrote:
> When allocation of underlying block for a page fault fails, we fail the
> fault with SIGBUS. However we may well hit ENOSPC just due to lots of
> free blocks being held by the running / committing transaction. So
> propagate the error from ext4_iomap_begin() and implement do standard
> allocation retry loop in ext4_dax_huge_fault().
> 
> Signed-off-by: Jan Kara <jack@xxxxxxx>

Looks good.

Reviewed-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>



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