| commit | d03f6cdc1fc422accb734c7c07a661a0018d8631 | [log] [tgz] |
|---|---|---|
| author | Jan Kara <jack@suse.cz> | Thu Feb 02 15:56:51 2017 +0100 |
| committer | Jens Axboe <axboe@fb.com> | Thu Feb 02 08:20:50 2017 -0700 |
| tree | fe3500795df51b8ad11a0f76dddfa27d60fecf13 | |
| parent | dc3b17cc8bf21307c7e076e7c778d5db756f7871 [diff] |
block: Dynamically allocate and refcount backing_dev_info Instead of storing backing_dev_info inside struct request_queue, allocate it dynamically, reference count it, and free it when the last reference is dropped. Currently only request_queue holds the reference but in the following patch we add other users referencing backing_dev_info. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <axboe@fb.com>