[PATCH] BLOCK: Hide the contents of linux/bio.h if CONFIG_BLOCK=n[try #2]

From: David Howells
Date: Wed Aug 01 2007 - 13:51:56 EST


From: David Howells <dhowells@xxxxxxxxxx>

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

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

include/linux/bio.h | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/include/linux/bio.h b/include/linux/bio.h
index 4d85262..1ddef34 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -24,6 +24,8 @@
#include <linux/mempool.h>
#include <linux/ioprio.h>

+#ifdef CONFIG_BLOCK
+
/* Platforms may set this to teach the BIO layer about IOMMU hardware. */
#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))
#define bio_kunmap_irq(buf,flags) __bio_kunmap_irq(buf, flags)

+#endif /* CONFIG_BLOCK */
#endif /* __LINUX_BIO_H */

-
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