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| author | phk <phk@FreeBSD.org> | 2003-04-19 10:14:39 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2003-04-19 10:14:39 +0000 |
| commit | db4d21ffafbbfa6ff68e411a61e5cf3b8bcd7890 (patch) | |
| tree | c6feefe6bcb5bc356c584e3472cc6fc8e2660afa /sys/geom/geom_slice.h | |
| parent | a41f716e9125fc28668d9e5527484d806592cddf (diff) | |
| download | FreeBSD-src-db4d21ffafbbfa6ff68e411a61e5cf3b8bcd7890.zip FreeBSD-src-db4d21ffafbbfa6ff68e411a61e5cf3b8bcd7890.tar.gz | |
Make more of the "hotspot" stuff generic:
Give the class a way to specify the necessary action for read/delete/write:
ALLOW, DENY, START or CALL.
Update geom_bsd to use this.
Diffstat (limited to 'sys/geom/geom_slice.h')
| -rw-r--r-- | sys/geom/geom_slice.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sys/geom/geom_slice.h b/sys/geom/geom_slice.h index ff66d7e..4460c28 100644 --- a/sys/geom/geom_slice.h +++ b/sys/geom/geom_slice.h @@ -48,6 +48,9 @@ struct g_slice { struct g_slice_hot { off_t offset; off_t length; + int ract; + int dact; + int wact; }; typedef int g_slice_start_t (struct bio *bp); @@ -56,10 +59,13 @@ struct g_slicer { u_int nslice; u_int nprovider; struct g_slice *slices; + u_int nhotspot; struct g_slice_hot *hotspot; + void *softc; g_slice_start_t *start; + g_call_me_t *hot; }; g_dumpconf_t g_slice_dumpconf; @@ -69,7 +75,12 @@ int g_slice_config(struct g_geom *gp, u_int idx, int how, off_t offset, off_t le #define G_SLICE_CONFIG_FORCE 2 struct g_geom * g_slice_new(struct g_class *mp, u_int slices, struct g_provider *pp, struct g_consumer **cpp, void *extrap, int extra, g_slice_start_t *start); -int g_slice_conf_hot(struct g_geom *gp, u_int idx, off_t offset, off_t length); +int g_slice_conf_hot(struct g_geom *gp, u_int idx, off_t offset, off_t length, int ract, int dact, int wact); +#define G_SLICE_HOT_ALLOW 1 +#define G_SLICE_HOT_DENY 2 +#define G_SLICE_HOT_START 4 +#define G_SLICE_HOT_CALL 8 + void g_slice_finish_hot(struct bio *bp); #endif /* _GEOM_GEOM_SLICE_H_ */ |
