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authorphk <phk@FreeBSD.org>2003-04-19 10:00:22 +0000
committerphk <phk@FreeBSD.org>2003-04-19 10:00:22 +0000
commita41f716e9125fc28668d9e5527484d806592cddf (patch)
treeb62184b8f0672e5ffa38fa2f90890cb180c77cc5 /sys/geom
parentf6cc6047c753be3f79f0c7b210a1380b7691897f (diff)
downloadFreeBSD-src-a41f716e9125fc28668d9e5527484d806592cddf.zip
FreeBSD-src-a41f716e9125fc28668d9e5527484d806592cddf.tar.gz
Create a dedicated structure for holding hotspot information rather than
using slice structures for it.
Diffstat (limited to 'sys/geom')
-rw-r--r--sys/geom/geom_slice.c23
-rw-r--r--sys/geom/geom_slice.h19
2 files changed, 24 insertions, 18 deletions
diff --git a/sys/geom/geom_slice.c b/sys/geom/geom_slice.c
index 878e93d..aff9103 100644
--- a/sys/geom/geom_slice.c
+++ b/sys/geom/geom_slice.c
@@ -152,7 +152,8 @@ g_slice_start(struct bio *bp)
struct g_geom *gp;
struct g_consumer *cp;
struct g_slicer *gsp;
- struct g_slice *gsl, *gmp;
+ struct g_slice *gsl;
+ struct g_slice_hot *gmp;
int idx, error;
u_int m_index;
off_t t;
@@ -181,8 +182,8 @@ g_slice_start(struct bio *bp)
g_io_deliver(bp, EINVAL);
return;
}
- for (m_index = 0; m_index < gsp->nhot; m_index++) {
- gmp = &gsp->hot[m_index];
+ for (m_index = 0; m_index < gsp->nhotspot; m_index++) {
+ gmp = &gsp->hotspot[m_index];
if (t >= gmp->offset + gmp->length)
continue;
if (t + bp->bio_length <= gmp->offset)
@@ -341,21 +342,21 @@ int
g_slice_conf_hot(struct g_geom *gp, u_int idx, off_t offset, off_t length)
{
struct g_slicer *gsp;
- struct g_slice *gsl, *gsl2;
+ struct g_slice_hot *gsl, *gsl2;
g_trace(G_T_TOPOLOGY, "g_slice_conf_hot()");
g_topology_assert();
gsp = gp->softc;
- gsl = gsp->hot;
- if(idx >= gsp->nhot) {
+ gsl = gsp->hotspot;
+ if(idx >= gsp->nhotspot) {
gsl2 = g_malloc((idx + 1) * sizeof *gsl2, M_WAITOK | M_ZERO);
- if (gsp->hot != NULL)
- bcopy(gsp->hot, gsl2, gsp->nhot * sizeof *gsl2);
- gsp->hot = gsl2;
- if (gsp->hot != NULL)
+ if (gsp->hotspot != NULL)
+ bcopy(gsp->hotspot, gsl2, gsp->nhotspot * sizeof *gsl2);
+ gsp->hotspot = gsl2;
+ if (gsp->hotspot != NULL)
g_free(gsl);
gsl = gsl2;
- gsp->nhot = idx + 1;
+ gsp->nhotspot = idx + 1;
}
if (bootverbose)
printf("GEOM: Add %s hot[%d] start %jd length %jd end %jd\n",
diff --git a/sys/geom/geom_slice.h b/sys/geom/geom_slice.h
index 41ab955..ff66d7e 100644
--- a/sys/geom/geom_slice.h
+++ b/sys/geom/geom_slice.h
@@ -45,16 +45,21 @@ struct g_slice {
struct g_provider *provider;
};
+struct g_slice_hot {
+ off_t offset;
+ off_t length;
+};
+
typedef int g_slice_start_t (struct bio *bp);
struct g_slicer {
- u_int nslice;
- u_int nprovider;
- u_int nhot;
- struct g_slice *slices;
- struct g_slice *hot;
- void *softc;
- g_slice_start_t *start;
+ 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_dumpconf_t g_slice_dumpconf;
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