linux-kernel - [PATCH] Do not __always_inline bvec_kmap_irq() and bvec_kunmap

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Message-Id: <1257024060-23039-1-git-send-email-albertito@blitiri.com.ar>
Date:	Sat, 31 Oct 2009 18:21:00 -0300
From:	Alberto Bertogli <albertito@...tiri.com.ar>
To:	linux-kernel@...r.kernel.org
Cc:	jens.axboe@...cle.com, linux-fsdevel@...r.kernel.org,
	akpm@...ux-foundation.org,
	Alberto Bertogli <albertito@...tiri.com.ar>
Subject: [PATCH] Do not __always_inline bvec_kmap_irq() and bvec_kunmap_irq()

On Tue, Feb 03 2009, Andrew Morton wrote:
> The comment is wrong - this was a sparc requirement, long since removed.

So remove both the comment and the inline requirement, going back to the
inline hint.

Signed-off-by: Alberto Bertogli <albertito@...tiri.com.ar>
---
 include/linux/bio.h |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/include/linux/bio.h b/include/linux/bio.h
index 5be93f1..474792b 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -450,11 +450,8 @@ extern struct biovec_slab bvec_slabs[BIOVEC_NR_POOLS] __read_mostly;
 /*
  * remember never ever reenable interrupts between a bvec_kmap_irq and
  * bvec_kunmap_irq!
- *
- * This function MUST be inlined - it plays with the CPU interrupt flags.
  */
-static __always_inline char *bvec_kmap_irq(struct bio_vec *bvec,
-		unsigned long *flags)
+static inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags)
 {
 	unsigned long addr;
 
@@ -470,8 +467,7 @@ static __always_inline char *bvec_kmap_irq(struct bio_vec *bvec,
 	return (char *) addr + bvec->bv_offset;
 }
 
-static __always_inline void bvec_kunmap_irq(char *buffer,
-		unsigned long *flags)
+static inline void bvec_kunmap_irq(char *buffer, unsigned long *flags)
 {
 	unsigned long ptr = (unsigned long) buffer & PAGE_MASK;
 
-- 
1.6.5.2.250.g2bd30

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