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(parent: a91bd9b) | patch
null_blk: add usage hints for NVM
authorYasuaki Ishimatsu <yasu.isimatu@gmail.com>
Wed, 16 Nov 2016 15:26:11 +0000 (08:26 -0700)
committerJens Axboe <axboe@fb.com>
Wed, 16 Nov 2016 15:26:11 +0000 (08:26 -0700)
commitf92b22ec349af11f8674e0792e872e91c48f4c92
treef1ebf00c6fa2521dec6234ca2b76ebb6c23a49d2tree | snapshot
parenta91bd9be5733fbe39108c8cf253d25709564a1eccommit | diff
null_blk: add usage hints for NVM

If CONFIG_NVM is disabled, loading null_block module with use_lightnvm=1
fails. But there are no messages and documents related to the failure.

Add the appropriate error message.

Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Massaged the text a bit.

Signed-off-by: Jens Axboe <axboe@fb.com>
Documentation/block/null_blk.txt diff | blob | history
drivers/block/null_blk.c diff | blob | history
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