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authorXin LI <delphij@FreeBSD.org>2010-10-06 00:13:55 +0000
committerXin LI <delphij@FreeBSD.org>2010-10-06 00:13:55 +0000
commit24fed98ab088ebdb3b21e9158fb0387e2c66dc9f (patch)
treea8b51a6838019dbef0df95267ab968c646df8b34 /lib/libgeom
parent4cefac73e60aa301e177b702c97f9fa1523c166e (diff)
Notes
Diffstat (limited to 'lib/libgeom')
-rw-r--r--lib/libgeom/geom_util.c26
-rw-r--r--lib/libgeom/geom_xml2tree.c10
-rw-r--r--lib/libgeom/libgeom.316
-rw-r--r--lib/libgeom/libgeom.h4
4 files changed, 55 insertions, 1 deletions
diff --git a/lib/libgeom/geom_util.c b/lib/libgeom/geom_util.c
index 539b6c62dbb6..54844c6e451c 100644
--- a/lib/libgeom/geom_util.c
+++ b/lib/libgeom/geom_util.c
@@ -114,6 +114,32 @@ g_sectorsize(int fd)
}
/*
+ * Return stripe size of the given provider.
+ */
+off_t
+g_stripesize(int fd)
+{
+ off_t stripesize;
+
+ if (g_ioctl_arg(fd, DIOCGSTRIPESIZE, &stripesize) == -1)
+ return (-1);
+ return (stripesize);
+}
+
+/*
+ * Return stripe size of the given provider.
+ */
+off_t
+g_stripeoffset(int fd)
+{
+ off_t stripeoffset;
+
+ if (g_ioctl_arg(fd, DIOCGSTRIPEOFFSET, &stripeoffset) == -1)
+ return (-1);
+ return (stripeoffset);
+}
+
+/*
* Return the correct provider name.
*/
char *
diff --git a/lib/libgeom/geom_xml2tree.c b/lib/libgeom/geom_xml2tree.c
index 1c7e22b56895..821449b66ca8 100644
--- a/lib/libgeom/geom_xml2tree.c
+++ b/lib/libgeom/geom_xml2tree.c
@@ -230,6 +230,16 @@ EndElement(void *userData, const char *name)
free(p);
return;
}
+ if (!strcmp(name, "stripesize") && mt->provider != NULL) {
+ mt->provider->lg_stripesize = strtoumax(p, NULL, 0);
+ free(p);
+ return;
+ }
+ if (!strcmp(name, "stripeoffset") && mt->provider != NULL) {
+ mt->provider->lg_stripeoffset = strtoumax(p, NULL, 0);
+ free(p);
+ return;
+ }
if (!strcmp(name, "config")) {
mt->config = NULL;
diff --git a/lib/libgeom/libgeom.3 b/lib/libgeom/libgeom.3
index 9272d3b40e45..d5682ab1d5a5 100644
--- a/lib/libgeom/libgeom.3
+++ b/lib/libgeom/libgeom.3
@@ -28,7 +28,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd September 8, 2008
+.Dd January 16, 2010
.Dt LIBGEOM 3
.Os
.Sh NAME
@@ -50,6 +50,8 @@
.Nm g_close ,
.Nm g_mediasize ,
.Nm g_sectorsize ,
+.Nm g_stripeoffset ,
+.Nm g_stripesize ,
.Nm g_flush ,
.Nm g_delete ,
.Nm g_device_path ,
@@ -101,6 +103,10 @@
.Fn g_mediasize "int fd"
.Ft ssize_t
.Fn g_sectorsize "int fd"
+.Ft ssize_t
+.Fn g_stripeoffset "int fd"
+.Ft ssize_t
+.Fn g_stripesize "int fd"
.Ft int
.Fn g_flush "int fd"
.Ft int
@@ -297,6 +303,14 @@ The
function returns sector size of the given provider.
.Pp
The
+.Fn g_stripeoffset
+function returns stripe offset of the given provider.
+.Pp
+The
+.Fn g_stripesize
+function returns stripe size of the given provider.
+.Pp
+The
.Fn g_flush
function sends
.Dv BIO_FLUSH
diff --git a/lib/libgeom/libgeom.h b/lib/libgeom/libgeom.h
index 7255bd4a8f31..c951f25babfe 100644
--- a/lib/libgeom/libgeom.h
+++ b/lib/libgeom/libgeom.h
@@ -123,6 +123,8 @@ struct gprovider {
char *lg_mode;
off_t lg_mediasize;
u_int lg_sectorsize;
+ off_t lg_stripeoffset;
+ off_t lg_stripesize;
struct gconf lg_config;
};
@@ -149,6 +151,8 @@ int g_open(const char *, int);
int g_close(int);
off_t g_mediasize(int);
ssize_t g_sectorsize(int);
+off_t g_stripeoffset(int);
+off_t g_stripesize(int);
int g_flush(int);
int g_delete(int, off_t, off_t);
int g_get_ident(int, char *, size_t);