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| author | phk <phk@FreeBSD.org> | 2003-05-31 18:13:07 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2003-05-31 18:13:07 +0000 |
| commit | 3325608f8fa53330fcc9b5026fa2c3b75952fb2b (patch) | |
| tree | 3f90e7d4dfd582f7fd53c28d5179880e31ba2090 /sys/geom/geom.h | |
| parent | b96117501d4c56f42bb3d80d9841e97999192258 (diff) | |
| download | FreeBSD-src-3325608f8fa53330fcc9b5026fa2c3b75952fb2b.zip FreeBSD-src-3325608f8fa53330fcc9b5026fa2c3b75952fb2b.tar.gz | |
Introduce a init and fini member functions on a class.
Use ->init() and ->fini() to handle the mutex in geom_disk.c
Remove the g_add_class() function and replace it with a standardized
g_modevent() function.
This adds the basic infrastructure for loading/unloading GEOM classes
Diffstat (limited to 'sys/geom/geom.h')
| -rw-r--r-- | sys/geom/geom.h | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/sys/geom/geom.h b/sys/geom/geom.h index 73121edb..15c253b 100644 --- a/sys/geom/geom.h +++ b/sys/geom/geom.h @@ -44,6 +44,7 @@ #include <sys/queue.h> #include <sys/ioccom.h> #include <sys/sbuf.h> +#include <sys/module.h> struct g_class; struct g_geom; @@ -60,6 +61,8 @@ typedef int g_config_t (struct g_configargs *ca); typedef int g_ctl_create_geom_t (struct gctl_req *, struct g_class *cp, struct g_provider *pp); typedef int g_ctl_destroy_geom_t (struct gctl_req *, struct g_class *cp, struct g_geom *gp); typedef int g_ctl_config_geom_t (struct gctl_req *, struct g_geom *gp, const char *verb); +typedef void g_init_t (struct g_class *mp); +typedef void g_fini_t (struct g_class *mp); typedef struct g_geom * g_taste_t (struct g_class *, struct g_provider *, int flags); #define G_TF_NORMAL 0 @@ -85,6 +88,8 @@ struct g_class { const char *name; g_taste_t *taste; g_config_t *config; + g_init_t *init; + g_fini_t *fini; g_ctl_create_geom_t *create_geom; g_ctl_destroy_geom_t *destroy_geom; g_ctl_config_geom_t *config_geom; @@ -193,7 +198,6 @@ void g_waitidle(void); /* geom_subr.c */ int g_access_abs(struct g_consumer *cp, int nread, int nwrite, int nexcl); int g_access_rel(struct g_consumer *cp, int nread, int nwrite, int nexcl); -void g_add_class(struct g_class *mp); int g_attach(struct g_consumer *cp, struct g_provider *pp); void g_destroy_consumer(struct g_consumer *cp); void g_destroy_geom(struct g_geom *pp); @@ -215,6 +219,8 @@ void g_std_done(struct bio *bp); void g_std_spoiled(struct g_consumer *cp); void g_wither_geom(struct g_geom *gp, int error); +int g_modevent(module_t, int, void *); + /* geom_io.c */ struct bio * g_clone_bio(struct bio *); void g_destroy_bio(struct bio *); @@ -289,18 +295,11 @@ extern struct sx topology_lock; sx_assert(&topology_lock, SX_XLOCKED); \ } while (0) -#define DECLARE_GEOM_CLASS_INIT(class, name, init) \ - SYSINIT(name, SI_SUB_DRIVERS, SI_ORDER_FIRST, init, NULL); - -#define DECLARE_GEOM_CLASS(class, name) \ - static void \ - name##init(void) \ - { \ - mtx_unlock(&Giant); \ - g_add_class(&class); \ - mtx_lock(&Giant); \ - } \ - DECLARE_GEOM_CLASS_INIT(class, name, name##init); +#define DECLARE_GEOM_CLASS(class, name) \ + static moduledata_t name##_mod = { \ + #name, g_modevent, &class \ + }; \ + DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); #endif /* _KERNEL */ |
