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Add add_prop_list_default helper

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Adding to a property list only if there is no existing value is used
twice. Once by zpool create -R and again by zpool import -R. Now that
zpool create -t and zpool import -t also need it, lets refactor it into
a helper function to make the code more readable.

Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #2417
This commit is contained in:
Richard Yao 2014-06-23 14:12:53 -04:00 committed by Brian Behlendorf
parent aa0ac7caa4
commit 2f3ec90061
1 changed files with 17 additions and 10 deletions
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27
cmd/zpool/zpool_main.c
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@ -485,6 +485,21 @@ add_prop_list(const char *propname, char *propval, nvlist_t **props,
return (0);
}
/*
* Set a default property pair (name, string-value) in a property nvlist
*/
static int
add_prop_list_default(const char *propname, char *propval, nvlist_t **props,
boolean_t poolprop)
{
char *pval;
if (nvlist_lookup_string(*props, propname, &pval) == 0)
return (0);
return (add_prop_list(propname, propval, props, B_TRUE));
}
/*
* zpool add [-fn] [-o property=value] <pool> <vdev> ...
*
@ -823,11 +838,7 @@ zpool_do_create(int argc, char **argv)
if (add_prop_list(zpool_prop_to_name(
ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
goto errout;
if (nvlist_lookup_string(props,
zpool_prop_to_name(ZPOOL_PROP_CACHEFILE),
&propval) == 0)
break;
if (add_prop_list(zpool_prop_to_name(
if (add_prop_list_default(zpool_prop_to_name(
ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
goto errout;
break;
@ -2068,11 +2079,7 @@ zpool_do_import(int argc, char **argv)
if (add_prop_list(zpool_prop_to_name(
ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
goto error;
if (nvlist_lookup_string(props,
zpool_prop_to_name(ZPOOL_PROP_CACHEFILE),
&propval) == 0)
break;
if (add_prop_list(zpool_prop_to_name(
if (add_prop_list_default(zpool_prop_to_name(
ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
goto error;
break;