diff options
| -rw-r--r-- | block/blk-settings.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c index f16d3fec6658..24042f6b33d5 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -65,13 +65,18 @@ void blk_set_default_limits(struct queue_limits *lim) * blk_set_stacking_limits - set default limits for stacking devices * @lim: the queue_limits structure to reset * - * Description: - * Returns a queue_limit struct to its default state. Should be used - * by stacking drivers like DM that have no internal limits. + * Prepare queue limits for applying limits from underlying devices using + * blk_stack_limits(). */ void blk_set_stacking_limits(struct queue_limits *lim) { - blk_set_default_limits(lim); + memset(lim, 0, sizeof(*lim)); + lim->logical_block_size = SECTOR_SIZE; + lim->physical_block_size = SECTOR_SIZE; + lim->io_min = SECTOR_SIZE; + lim->discard_granularity = SECTOR_SIZE; + lim->dma_alignment = SECTOR_SIZE - 1; + lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK; /* Inherit limits from component devices */ lim->max_segments = USHRT_MAX; |