mm: factor out a swap_readpage_bdev helper

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Split the block device case from swap_readpage into a separate helper,
following the abstraction for file based swap and frontswap.

Link: https://lkml.kernel.org/r/20230125133436.447864-4-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Keith Busch <kbusch@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

...

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Christoph Hellwig 2023-01-25 14:34:32 +01:00 • committed by Andrew Morton

parent a8c1408f87

commit 14bd75f574

1 changed files with 35 additions and 33 deletions

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mm/page_io.c

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