[PATCH] fs: ext4: Fix alignment of cache buffers

Stephen Warren swarren at wwwdotorg.org
Wed Mar 25 21:35:52 CET 2020

On 3/25/20 2:27 PM, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka at siemens.com>
> We need to align the cache buffer to ARCH_DMA_MINALIGN in order to avoid
> access errors like
> CACHE: Misaligned operation at range [be0231e0, be0235e0]
> seen on the MCIMX7SABRE.
> Fixes: d5aee659f217 ("fs: ext4: cache extent data")
> Signed-off-by: Jan Kiszka <jan.kiszka at siemens.com>

Reviewed-by: Stephen Warren <swarren at nvidia.com>

It's probably just a fluke that this happens to show up on some
SoCs/boards/configurations but not others. Or perhaps the MINALIGN value

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