[dm-devel] [PATCH] multipath: add allow users to set revision in multipath.conf
Benjamin Marzinski
bmarzins at redhat.com
Mon Dec 20 06:02:09 UTC 2010
Since multipath is able to select hardware entries based on the revision
parameter, users should be allowed to set it in their devices configurations.
Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
---
libmultipath/dict.c | 28 ++++++++++++++++++++++++++++
multipath/multipath.conf.5 | 5 ++++-
2 files changed, 32 insertions(+), 1 deletion(-)
Index: multipath-tools-101104/libmultipath/dict.c
===================================================================
--- multipath-tools-101104.orig/libmultipath/dict.c
+++ multipath-tools-101104/libmultipath/dict.c
@@ -730,6 +730,22 @@ product_handler(vector strvec)
}
static int
+revision_handler(vector strvec)
+{
+ struct hwentry * hwe = VECTOR_LAST_SLOT(conf->hwtable);
+
+ if (!hwe)
+ return 1;
+
+ hwe->revision = set_value(strvec);
+
+ if (!hwe->revision)
+ return 1;
+
+ return 0;
+}
+
+static int
bl_product_handler(vector strvec)
{
struct hwentry * hwe = VECTOR_LAST_SLOT(conf->hwtable);
@@ -1617,6 +1633,17 @@ snprint_hw_product (char * buff, int len
}
static int
+snprint_hw_revision (char * buff, int len, void * data)
+{
+ struct hwentry * hwe = (struct hwentry *)data;
+
+ if (!hwe->revision)
+ return 0;
+
+ return snprintf(buff, len, "\"%s\"", hwe->revision);
+}
+
+static int
snprint_hw_bl_product (char * buff, int len, void * data)
{
struct hwentry * hwe = (struct hwentry *)data;
@@ -2212,6 +2239,7 @@ init_keywords(void)
install_sublevel();
install_keyword("vendor", &vendor_handler, &snprint_hw_vendor);
install_keyword("product", &product_handler, &snprint_hw_product);
+ install_keyword("revision", &revision_handler, &snprint_hw_revision);
install_keyword("product_blacklist", &bl_product_handler, &snprint_hw_bl_product);
install_keyword("path_grouping_policy", &hw_pgpolicy_handler, &snprint_hw_path_grouping_policy);
install_keyword("getuid_callout", &hw_getuid_callout_handler, &snprint_hw_getuid_callout);
Index: multipath-tools-101104/multipath/multipath.conf.5
===================================================================
--- multipath-tools-101104.orig/multipath/multipath.conf.5
+++ multipath-tools-101104/multipath/multipath.conf.5
@@ -406,8 +406,11 @@ subsection recognizes the following attr
.B product
(Mandatory) Product identifier
.TP
+.B revision
+(Optional) Revision identfier
+.TP
.B product_blacklist
-Product strings to blacklist for this vendor
+(Optional) Product strings to blacklist for this vendor
.TP
.B hardware_handler
(Optional) The hardware handler to use for this device type.
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