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Groups > linux.kernel > #1370256

[PATCH v2 6/8] block: bio: remove BIO_MAX_SECTORS

From Ming Lei <ming.lei@canonical.com>
Newsgroups linux.kernel
Subject [PATCH v2 6/8] block: bio: remove BIO_MAX_SECTORS
Date 2016-04-03 18:40 +0200
Message-ID <rjTea-6bQ-23@gated-at.bofh.it> (permalink)
References <rjTea-6bQ-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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@lst.de>
Signed-off-by: Ming Lei <ming.lei@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 7f998ac..f7e1c27 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -42,7 +42,6 @@
 
 #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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Thread

[PATCH v2 0/8] block: prepare for multipage bvecs Ming Lei <ming.lei@canonical.com> - 2016-04-03 18:40 +0200
  [PATCH v2 6/8] block: bio: remove BIO_MAX_SECTORS Ming Lei <ming.lei@canonical.com> - 2016-04-03 18:40 +0200
  [PATCH v2 4/8] iov_iter: use bvec iterator to implement iterate_bvec() Ming Lei <ming.lei@canonical.com> - 2016-04-03 18:40 +0200
  [PATCH v2 3/8] block: mark 1st parameter of bvec_iter_advance as const Ming Lei <ming.lei@canonical.com> - 2016-04-03 18:40 +0200

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