block: Implement support for WRITE SAME

[firefly-linux-kernel-4.4.55.git] / include / linux / bio.h

diff --git a/include/linux/bio.h b/include/linux/bio.h
index e54305cacc9821e4ffbb40aebbd89ddb97401710..820e7aaad4fdbbf432b188b083662b5015bd3905 100644 (file)
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -399,6 +399,9 @@ static inline bool bio_is_rw(struct bio *bio)
        if (!bio_has_data(bio))
                return false;
 
+       if (bio->bi_rw & REQ_WRITE_SAME)
+               return false;
+
        return true;
 }