DM reuses the request queue when swapping in a new device table Introduce blk_set_default_limits() which can be used to reset the the queue_limits prior to stacking devices.
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| @@ -926,6 +926,7 @@ extern void blk_queue_alignment_offset(struct request_queue *q, · 925 unmodified lines | |||
| 926 | unsigned int alignment); | 926 | unsigned int alignment); |
| 927 | extern void blk_queue_io_min(struct request_queue *q, unsigned int min); | 927 | extern void blk_queue_io_min(struct request_queue *q, unsigned int min); |
| 928 | extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt); | 928 | extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt); |
| 929 | extern void blk_set_default_limits(struct queue_limits *lim); | ||
| 929 | extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, | 930 | extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, |
| 930 | sector_t offset); | 931 | sector_t offset); |
| 931 | extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev, | 932 | extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev, |