87 void blk_set_default_limits(struct queue_limits *lim)  in blk_set_default_limits()  argument
89 	lim->max_segments = BLK_MAX_SEGMENTS;  in blk_set_default_limits()
90 	lim->max_integrity_segments = 0;  in blk_set_default_limits()
91 	lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK;  in blk_set_default_limits()
92 	lim->virt_boundary_mask = 0;  in blk_set_default_limits()
93 	lim->max_segment_size = BLK_MAX_SEGMENT_SIZE;  in blk_set_default_limits()
94 	lim->max_sectors = lim->max_hw_sectors = BLK_SAFE_MAX_SECTORS;  in blk_set_default_limits()
95 	lim->max_dev_sectors = 0;  in blk_set_default_limits()
96 	lim->chunk_sectors = 0;  in blk_set_default_limits()
97 	lim->max_write_same_sectors = 0;  in blk_set_default_limits()
98 	lim->max_discard_sectors = 0;  in blk_set_default_limits()
99 	lim->max_hw_discard_sectors = 0;  in blk_set_default_limits()
100 	lim->discard_granularity = 0;  in blk_set_default_limits()
101 	lim->discard_alignment = 0;  in blk_set_default_limits()
102 	lim->discard_misaligned = 0;  in blk_set_default_limits()
103 	lim->discard_zeroes_data = 0;  in blk_set_default_limits()
104 	lim->logical_block_size = lim->physical_block_size = lim->io_min = 512;  in blk_set_default_limits()
105 	lim->bounce_pfn = (unsigned long)(BLK_BOUNCE_ANY >> PAGE_SHIFT);  in blk_set_default_limits()
106 	lim->alignment_offset = 0;  in blk_set_default_limits()
107 	lim->io_opt = 0;  in blk_set_default_limits()
108 	lim->misaligned = 0;  in blk_set_default_limits()
109 	lim->cluster = 1;  in blk_set_default_limits()
121 void blk_set_stacking_limits(struct queue_limits *lim)  in blk_set_stacking_limits()  argument
123 	blk_set_default_limits(lim);  in blk_set_stacking_limits()
126 	lim->discard_zeroes_data = 1;  in blk_set_stacking_limits()
127 	lim->max_segments = USHRT_MAX;  in blk_set_stacking_limits()
128 	lim->max_hw_sectors = UINT_MAX;  in blk_set_stacking_limits()
129 	lim->max_segment_size = UINT_MAX;  in blk_set_stacking_limits()
130 	lim->max_sectors = UINT_MAX;  in blk_set_stacking_limits()
131 	lim->max_dev_sectors = UINT_MAX;  in blk_set_stacking_limits()
132 	lim->max_write_same_sectors = UINT_MAX;  in blk_set_stacking_limits()