[Drbd-dev] [PATCH v1 6/8] block: bio: remove BIO_MAX_SECTORS

Ming Lei ming.lei at canonical.com
Wed Mar 30 18:17:15 CEST 2016


No one need this macro, so remove it. The motivation is
for supporting multipage bvecs, in which we only know
what the max count of bvecs is supported in the bio,
instead of max size or max sectors.

Reviewed-by: Christoph Hellwig <hch at lst.de>
Signed-off-by: Ming Lei <ming.lei at canonical.com>
---
 include/linux/bio.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/bio.h b/include/linux/bio.h
index 12d8957..4f76252 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -43,7 +43,6 @@
 
 #define BIO_MAX_PAGES		256
 #define BIO_MAX_SIZE		(BIO_MAX_PAGES << PAGE_CACHE_SHIFT)
-#define BIO_MAX_SECTORS		(BIO_MAX_SIZE >> 9)
 
 /*
  * upper 16 bits of bi_rw define the io priority of this bio
-- 
1.9.1



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