xfs
[Top] [All Lists]

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

To: Jens Axboe <axboe@xxxxxx>, linux-kernel@xxxxxxxxxxxxxxx
Subject: [PATCH v1 6/8] block: bio: remove BIO_MAX_SECTORS
From: Ming Lei <ming.lei@xxxxxxxxxxxxx>
Date: Thu, 31 Mar 2016 00:17:15 +0800
Cc: linux-block@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Anton Altaparmakov <anton@xxxxxxxxxx>, xfs@xxxxxxxxxxx, Dave Chinner <david@xxxxxxxxxxxxx>, drbd-dev@xxxxxxxxxxxxxxxx, Philipp Reisner <philipp.reisner@xxxxxxxxxx>, Lars Ellenberg <lars.ellenberg@xxxxxxxxxx>, Boaz Harrosh <boaz@xxxxxxxxxxxxx>, Ming Lei <ming.lei@xxxxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1459354637-17415-1-git-send-email-ming.lei@xxxxxxxxxxxxx>
References: <1459354637-17415-1-git-send-email-ming.lei@xxxxxxxxxxxxx>
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@xxxxxx>
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
---
 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

<Prev in Thread] Current Thread [Next in Thread>