nullb: factor disk parameters

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When we switch to configfs interface, each disk could have different
configuration. To prepare for the change, we move most disk setting to a
separate data structure. The existing module parameter interface is
kept. The 'nr_devices' and 'shared_tags' don't make sense for per-disk
setting, so they are remained as global settings.

Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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This commit is contained in:

Shaohua Li

2017-08-14 15:04:52 -07:00

committed by Jens Axboe

parent 92d499d490

commit 2984c8684f

1 changed files with 153 additions and 81 deletions

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drivers/block/null_blk.c

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