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| author | Yasuaki Ishimatsu <yasu.isimatu@gmail.com> | 2016-11-16 16:26:11 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-11-16 16:26:11 +0100 |
| commit | 92153d30c7c8863022cad684926d71ffaed6a56d (patch) | |
| tree | f1ebf00c6fa2521dec6234ca2b76ebb6c23a49d2 /Documentation/block | |
| parent | block: deal with stale req count of plug list (diff) | |
| download | linux-92153d30c7c8863022cad684926d71ffaed6a56d.tar.xz linux-92153d30c7c8863022cad684926d71ffaed6a56d.zip | |
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>
Diffstat (limited to 'Documentation/block')
| -rw-r--r-- | Documentation/block/null_blk.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/block/null_blk.txt b/Documentation/block/null_blk.txt index d8880ca30af4..3140dbd860d8 100644 --- a/Documentation/block/null_blk.txt +++ b/Documentation/block/null_blk.txt @@ -72,4 +72,4 @@ use_per_node_hctx=[0/1]: Default: 0 queue for each CPU node in the system. use_lightnvm=[0/1]: Default: 0 - Register device with LightNVM. Requires blk-mq to be used. + Register device with LightNVM. Requires blk-mq and CONFIG_NVM to be enabled. |