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Add two spare elements for planned but not yet implemented stuff related

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to device driver unloading.  Adding these two now and MT5'ing them will
allow us to preserve binary compatibility on RELENG_5 when these facilities
are MFC'ed.

MT5 Candiate.
This commit is contained in:
Poul-Henning Kamp 2004-09-10 20:49:30 +00:00
parent 7f4caa8c59
commit 5263eebc9a
1 changed files with 5 additions and 0 deletions
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5
sys/sys/conf.h
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@ -153,6 +153,9 @@ typedef int d_kqfilter_t(struct cdev *dev, struct knote *kn);
typedef int d_mmap_t(struct cdev *dev, vm_offset_t offset, vm_paddr_t *paddr,
int nprot);
typedef int d_spare1_t(struct cdev *dev);
typedef int d_spare2_t(struct cdev *dev);
typedef int dumper_t(
void *priv, /* Private to the driver. */
void *virtual, /* Virtual (mapped) address. */
@ -216,6 +219,8 @@ struct cdevsw {
d_strategy_t *d_strategy;
dumper_t *d_dump;
d_kqfilter_t *d_kqfilter;
d_spare1_t *d_spare1;
d_spare2_t *d_spare2;
/* These fields should not be messed with by drivers */
LIST_ENTRY(cdevsw) d_list;