| commit | 82f402fefa50f1675bf918bcd009981bd6b30ac8 | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <axboe@kernel.dk> | Tue Jun 20 14:22:01 2017 -0600 |
| committer | Jens Axboe <axboe@kernel.dk> | Tue Jun 20 14:22:01 2017 -0600 |
| tree | da5a8eeee2aaaad6146c669ce56e92b4ce8acc2e | |
| parent | edf064e7c6fec3646b06c944a8e35d1a3de5c2c3 [diff] |
null_blk: add support for shared tags Some storage drivers need to share tag sets between devices. It's useful to be able to model that with null_blk, to find hangs or performance issues. Add a 'shared_tags' bool module parameter that. If that is set to true and nr_devices is bigger than 1, all devices allocated will share the same tag set. Signed-off-by: Jens Axboe <axboe@kernel.dk>