Re: [PATCH 5/5] brd: use memcpy_{to,from]_page in brd_rw_bvec

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On 4/21/25 09:26, Christoph Hellwig wrote:
Use the proper helpers to copy to/from potential highmem pages, which
do a local instead of atomic kmap underneath, and perform
flush_dcache_page where needed.  This also simplifies the code so much
that the separate read write helpers are not required any more.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
  drivers/block/brd.c | 57 ++++++++++-----------------------------------
  1 file changed, 12 insertions(+), 45 deletions(-)

Reviewed-by: Hannes Reinecke <hare@xxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@xxxxxxx                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich




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