diff options
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index 556db28a49aa..67e50c44f4b5 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -18,6 +18,7 @@ #include <linux/timer.h> #include <linux/wait.h> #include <linux/workqueue.h> +#include <trace/events/block.h> #include "md-cluster.h" #define MaxSector (~(sector_t)0) @@ -479,7 +480,6 @@ struct mddev { struct timer_list safemode_timer; struct percpu_ref writes_pending; int sync_checkers; /* # of threads checking writes_pending */ - struct request_queue *queue; /* for plugging ... */ struct bitmap *bitmap; /* the bitmap for the device */ struct { @@ -868,7 +868,7 @@ static inline void mddev_check_write_zeroes(struct mddev *mddev, struct bio *bio { if (bio_op(bio) == REQ_OP_WRITE_ZEROES && !bio->bi_bdev->bd_disk->queue->limits.max_write_zeroes_sectors) - mddev->queue->limits.max_write_zeroes_sectors = 0; + mddev->gendisk->queue->limits.max_write_zeroes_sectors = 0; } static inline int mddev_suspend_and_lock(struct mddev *mddev) @@ -907,7 +907,31 @@ void md_autostart_arrays(int part); int md_set_array_info(struct mddev *mddev, struct mdu_array_info_s *info); int md_add_new_disk(struct mddev *mddev, struct mdu_disk_info_s *info); int do_md_run(struct mddev *mddev); +void mddev_stack_rdev_limits(struct mddev *mddev, struct queue_limits *lim); +int mddev_stack_new_rdev(struct mddev *mddev, struct md_rdev *rdev); +void mddev_update_io_opt(struct mddev *mddev, unsigned int nr_stripes); extern const struct block_device_operations md_fops; +/* + * MD devices can be used undeneath by DM, in which case ->gendisk is NULL. + */ +static inline bool mddev_is_dm(struct mddev *mddev) +{ + return !mddev->gendisk; +} + +static inline void mddev_trace_remap(struct mddev *mddev, struct bio *bio, + sector_t sector) +{ + if (!mddev_is_dm(mddev)) + trace_block_bio_remap(bio, disk_devt(mddev->gendisk), sector); +} + +#define mddev_add_trace_msg(mddev, fmt, args...) \ +do { \ + if (!mddev_is_dm(mddev)) \ + blk_add_trace_msg((mddev)->gendisk->queue, fmt, ##args); \ +} while (0) + #endif /* _MD_MD_H */ |