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-rw-r--r--block/blk-core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 80a020dd158..34504f30972 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1436,7 +1436,8 @@ static inline void __generic_make_request(struct bio *bio)
goto end_io;
}
- if (unlikely(nr_sectors > queue_max_hw_sectors(q))) {
+ if (unlikely(!bio_rw_flagged(bio, BIO_RW_DISCARD) &&
+ nr_sectors > queue_max_hw_sectors(q))) {
printk(KERN_ERR "bio too big device %s (%u > %u)\n",
bdevname(bio->bi_bdev, b),
bio_sectors(bio),