fs: kill BDI_CAP_SWAP_BACKED

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This bdi flag isn't too useful - we can determine that a vma is backed by
either swap or shmem trivially in the caller.

This also allows removing the backing_dev_info instaces for swap and shmem
in favor of noop_backing_dev_info.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>

...

This commit is contained in:

Christoph Hellwig 2015-01-14 10:42:31 +01:00 • committed by Jens Axboe

parent a7a2c680a2

commit 97b713ba3e

5 changed files with 18 additions and 46 deletions

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13

include/linux/backing-dev.h

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17

mm/madvise.c

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25

mm/shmem.c

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2

mm/swap.c

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7

mm/swap_state.c

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