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[PATCH] CONFIG_BLOCK internal.h cleanups

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- forward declare struct superblock
- use inlines, not macros

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Andrew Morton 2006-08-31 12:55:23 +02:00 committed by Jens Axboe
parent 65934a9a02
commit 5e6d12b2c8
1 changed files with 15 additions and 4 deletions
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19
fs/internal.h
View file

@ -11,6 +11,8 @@
#include <linux/ioctl32.h>
struct super_block;
/*
* block_dev.c
*/
@ -18,11 +20,20 @@
extern struct super_block *blockdev_superblock;
extern void __init bdev_cache_init(void);
#define sb_is_blkdev_sb(sb) ((sb) == blockdev_superblock)
#else
static inline void bdev_cache_init(void) {}
static inline int sb_is_blkdev_sb(struct super_block *sb)
{
return sb == blockdev_superblock;
}
#define sb_is_blkdev_sb(sb) 0
#else
static inline void bdev_cache_init(void)
{
}
static inline int sb_is_blkdev_sb(struct super_block *sb)
{
return 0;
}
#endif
/*