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mm: bdi init hooks

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provide BDI constructor/destructor hooks

[akpm@linux-foundation.org: compile fix]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Peter Zijlstra
2007-10-16 23:25:46 -07:00
committed by Linus Torvalds
parent dc62a30e27
commit e0bf68ddec
19 changed files with 131 additions and 7 deletions
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8
include/linux/backing-dev.h
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@ -34,6 +34,14 @@ struct backing_dev_info {
void *unplug_io_data;
};
static inline int bdi_init(struct backing_dev_info *bdi)
{
return 0;
}
static inline void bdi_destroy(struct backing_dev_info *bdi)
{
}
/*
* Flags in backing_dev_info::capability