diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/blkdev.h | 9 | ||||
| -rw-r--r-- | include/xen/interface/io/blkif.h | 2 |
2 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 695b9fd41efe..8aba35f46f87 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -620,6 +620,15 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q) #define rq_data_dir(rq) (((rq)->cmd_flags & 1) != 0) +/* + * Driver can handle struct request, if it either has an old style + * request_fn defined, or is blk-mq based. + */ +static inline bool queue_is_rq_based(struct request_queue *q) +{ + return q->request_fn || q->mq_ops; +} + static inline unsigned int blk_queue_cluster(struct request_queue *q) { return q->limits.cluster; diff --git a/include/xen/interface/io/blkif.h b/include/xen/interface/io/blkif.h index 32ec05a6572f..c33e1c489eb2 100644 --- a/include/xen/interface/io/blkif.h +++ b/include/xen/interface/io/blkif.h @@ -86,7 +86,7 @@ typedef uint64_t blkif_sector_t; * Interface%20manuals/100293068c.pdf * The backend can optionally provide three extra XenBus attributes to * further optimize the discard functionality: - * 'discard-aligment' - Devices that support discard functionality may + * 'discard-alignment' - Devices that support discard functionality may * internally allocate space in units that are bigger than the exported * logical block size. The discard-alignment parameter indicates how many bytes * the beginning of the partition is offset from the internal allocation unit's |