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BLOCK: Hide the contents of linux/bio.h if CONFIG_BLOCK=n

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Hide the contents of linux/bio.h if CONFIG_BLOCK=n as there shouldn't be
compiled code that uses it.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
David Howells 2007-08-11 22:34:32 +02:00 committed by Jens Axboe
parent a6b3a93e15
commit 02a5e0acb3
1 changed files with 3 additions and 0 deletions
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3
include/linux/bio.h
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@ -24,6 +24,8 @@
#include <linux/mempool.h> #include <linux/mempool.h>
#include <linux/ioprio.h> #include <linux/ioprio.h>
#ifdef CONFIG_BLOCK
/* Platforms may set this to teach the BIO layer about IOMMU hardware. */ /* Platforms may set this to teach the BIO layer about IOMMU hardware. */
#include <asm/io.h> #include <asm/io.h>
@ -361,4 +363,5 @@ static inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx,
__bio_kmap_irq((bio), (bio)->bi_idx, (flags)) __bio_kmap_irq((bio), (bio)->bi_idx, (flags))
#define bio_kunmap_irq(buf,flags) __bio_kunmap_irq(buf, flags) #define bio_kunmap_irq(buf,flags) __bio_kunmap_irq(buf, flags)
#endif /* CONFIG_BLOCK */
#endif /* __LINUX_BIO_H */ #endif /* __LINUX_BIO_H */