diff --git a/block/blk-core.c b/block/blk-core.c index 7a779d7c69c9..c36aa98fafa3 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -592,7 +592,7 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id) 1 << QUEUE_FLAG_STACKABLE); q->queue_lock = lock; - blk_queue_segment_boundary(q, 0xffffffff); + blk_queue_segment_boundary(q, BLK_SEG_BOUNDARY_MASK); blk_queue_make_request(q, __make_request); blk_queue_max_segment_size(q, MAX_SEGMENT_SIZE); diff --git a/block/blk-settings.c b/block/blk-settings.c index 41392fbe19ff..afa55e14e278 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -125,6 +125,9 @@ void blk_queue_make_request(struct request_queue *q, make_request_fn *mfn) q->nr_requests = BLKDEV_MAX_RQ; blk_queue_max_phys_segments(q, MAX_PHYS_SEGMENTS); blk_queue_max_hw_segments(q, MAX_HW_SEGMENTS); + blk_queue_segment_boundary(q, BLK_SEG_BOUNDARY_MASK); + blk_queue_max_segment_size(q, MAX_SEGMENT_SIZE); + q->make_request_fn = mfn; q->backing_dev_info.ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE; @@ -314,6 +317,7 @@ void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b) /* zero is "infinity" */ t->max_sectors = min_not_zero(t->max_sectors, b->max_sectors); t->max_hw_sectors = min_not_zero(t->max_hw_sectors, b->max_hw_sectors); + t->seg_boundary_mask = min_not_zero(t->seg_boundary_mask, b->seg_boundary_mask); t->max_phys_segments = min(t->max_phys_segments, b->max_phys_segments); t->max_hw_segments = min(t->max_hw_segments, b->max_hw_segments); diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index a63161aec487..04e5fd742c2c 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -668,7 +668,7 @@ static void check_for_valid_limits(struct io_restrictions *rs) if (!rs->max_segment_size) rs->max_segment_size = MAX_SEGMENT_SIZE; if (!rs->seg_boundary_mask) - rs->seg_boundary_mask = -1; + rs->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK; if (!rs->bounce_pfn) rs->bounce_pfn = -1; } diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 9cc7cc5fdce1..6dcd30d806cd 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -918,6 +918,8 @@ extern void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter); #define MAX_SEGMENT_SIZE 65536 +#define BLK_SEG_BOUNDARY_MASK 0xFFFFFFFFUL + #define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist) static inline int queue_hardsect_size(struct request_queue *q)