nullb: support memory backed store · mariux64/linux@5bcd0e0 · GitHub

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nullb: support memory backed store

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This adds memory backed store in nullb.

User configure 'memory_backed' attribute for this. By default, nullb
disk doesn't use memory backed store.

Based on original patch from Kyungchan Koh

Signed-off-by: Kyungchan Koh <kkc6196@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Shaohua Li authored and Jens Axboe committed Aug 23, 2017

1 parent 94bc02e commit 5bcd0e0