diff options
| -rw-r--r-- | include/os/linux/kernel/linux/blkdev_compat.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/os/linux/kernel/linux/blkdev_compat.h b/include/os/linux/kernel/linux/blkdev_compat.h index f111e648ccf7..b0f398354e4f 100644 --- a/include/os/linux/kernel/linux/blkdev_compat.h +++ b/include/os/linux/kernel/linux/blkdev_compat.h @@ -563,9 +563,11 @@ static inline boolean_t bdev_discard_supported(struct block_device *bdev) { #if defined(HAVE_BDEV_MAX_DISCARD_SECTORS) - return (!!bdev_max_discard_sectors(bdev)); + return (bdev_max_discard_sectors(bdev) > 0 && + bdev_discard_granularity(bdev) > 0); #elif defined(HAVE_BLK_QUEUE_DISCARD) - return (!!blk_queue_discard(bdev_get_queue(bdev))); + return (blk_queue_discard(bdev_get_queue(bdev)) > 0 && + bdev_get_queue(bdev)->limits.discard_granularity > 0); #else #error "Unsupported kernel" #endif |