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-rw-r--r--include/linux/bio.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 82f0c8fd7be8..23d29b39f71e 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -492,6 +492,8 @@ extern unsigned int bvec_nr_vecs(unsigned short idx);
#define bio_set_dev(bio, bdev) \
do { \
+ if ((bio)->bi_disk != (bdev)->bd_disk) \
+ bio_clear_flag(bio, BIO_THROTTLED);\
(bio)->bi_disk = (bdev)->bd_disk; \
(bio)->bi_partno = (bdev)->bd_partno; \
} while (0)