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Groups > linux.kernel > #1367353

[PATCH v1 8/8] block: bio: remove BIO_MAX_SIZE

From Ming Lei <ming.lei@canonical.com>
Newsgroups linux.kernel
Subject [PATCH v1 8/8] block: bio: remove BIO_MAX_SIZE
Date 2016-03-30 18:20 +0200
Message-ID <rir0E-7XM-57@gated-at.bofh.it> (permalink)
References <rir0C-7XM-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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No one need this macro now, 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 bio size.

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 4f76252..c6d13db 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -42,7 +42,6 @@
 #endif
 
 #define BIO_MAX_PAGES		256
-#define BIO_MAX_SIZE		(BIO_MAX_PAGES << PAGE_CACHE_SHIFT)
 
 /*
  * upper 16 bits of bi_rw define the io priority of this bio
-- 
1.9.1

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Thread

[PATCH v1 0/8] block: prepare for multipage bvecs Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 6/8] block: bio: remove BIO_MAX_SECTORS Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 1/8] block: move bvec iterator into include/linux/bvec_iter.h Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 3/8] block: mark 1st parameter of bvec_iter_advance as const Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 7/8] block: drbd: avoid to use BIO_MAX_SIZE Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 4/8] iov_iter: use bvec iterator to implement iterate_bvec() Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 5/8] fs: xfs: replace BIO_MAX_SECTORS with BIO_MAX_PAGES Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 8/8] block: bio: remove BIO_MAX_SIZE Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 2/8] block: make 'struct bvec_iter' not depend on CONFIG_BLOCK Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:30 +0200
    Re: [PATCH v1 2/8] block: make 'struct bvec_iter' not depend on  CONFIG_BLOCK Christoph Hellwig <hch@infradead.org> - 2016-03-30 19:20 +0200
      Re: [PATCH v1 2/8] block: make 'struct bvec_iter' not depend on CONFIG_BLOCK Ming Lei <ming.lei@canonical.com> - 2016-03-31 03:10 +0200
        Re: [PATCH v1 2/8] block: make 'struct bvec_iter' not depend on  CONFIG_BLOCK Christoph Hellwig <hch@infradead.org> - 2016-03-31 10:00 +0200
          Re: [PATCH v1 2/8] block: make 'struct bvec_iter' not depend on CONFIG_BLOCK Ming Lei <ming.lei@canonical.com> - 2016-04-01 02:40 +0200

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