zpool: Dryrun fails to list some devices

`zpool create -n` fails to list cache and spare vdevs.
`zpool add -n` fails to list spare devices.
`zpool split -n` fails to list `special` and `dedup` labels.
`zpool add -n` and `zpool split -n` shouldn't list hole devices.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Attila Fülöp <attila@fueloep.org>
Closes #11122
Closes #11167
This commit is contained in:
Attila Fülöp
2020-12-04 23:04:39 +01:00
committed by Brian Behlendorf
parent 32a78e579d
commit 6539bf71fe
10 changed files with 593 additions and 14 deletions
+89 -5
View File
@@ -669,9 +669,16 @@ print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent,
}
for (c = 0; c < children; c++) {
uint64_t is_log = B_FALSE;
uint64_t is_log = B_FALSE, is_hole = B_FALSE;
char *class = "";
(void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE,
&is_hole);
if (is_hole == B_TRUE) {
continue;
}
(void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
&is_log);
if (is_log)
@@ -692,6 +699,54 @@ print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent,
}
}
/*
* Print the list of l2cache devices for dry runs.
*/
static void
print_cache_list(nvlist_t *nv, int indent)
{
nvlist_t **child;
uint_t c, children;
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
&child, &children) == 0 && children > 0) {
(void) printf("\t%*s%s\n", indent, "", "cache");
} else {
return;
}
for (c = 0; c < children; c++) {
char *vname;
vname = zpool_vdev_name(g_zfs, NULL, child[c], 0);
(void) printf("\t%*s%s\n", indent + 2, "", vname);
free(vname);
}
}
/*
* Print the list of spares for dry runs.
*/
static void
print_spare_list(nvlist_t *nv, int indent)
{
nvlist_t **child;
uint_t c, children;
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
&child, &children) == 0 && children > 0) {
(void) printf("\t%*s%s\n", indent, "", "spares");
} else {
return;
}
for (c = 0; c < children; c++) {
char *vname;
vname = zpool_vdev_name(g_zfs, NULL, child[c], 0);
(void) printf("\t%*s%s\n", indent + 2, "", vname);
free(vname);
}
}
static boolean_t
prop_list_contains_feature(nvlist_t *proplist)
{
@@ -921,16 +976,16 @@ zpool_do_add(int argc, char **argv)
if (dryrun) {
nvlist_t *poolnvroot;
nvlist_t **l2child;
uint_t l2children, c;
nvlist_t **l2child, **sparechild;
uint_t l2children, sparechildren, c;
char *vname;
boolean_t hadcache = B_FALSE;
boolean_t hadcache = B_FALSE, hadspare = B_FALSE;
verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
&poolnvroot) == 0);
(void) printf(gettext("would update '%s' to the following "
"configuration:\n"), zpool_get_name(zhp));
"configuration:\n\n"), zpool_get_name(zhp));
/* print original main pool and new tree */
print_vdev_tree(zhp, poolname, poolnvroot, 0, "",
@@ -991,6 +1046,29 @@ zpool_do_add(int argc, char **argv)
free(vname);
}
}
/* And finaly the spares */
if (nvlist_lookup_nvlist_array(poolnvroot, ZPOOL_CONFIG_SPARES,
&sparechild, &sparechildren) == 0 && sparechildren > 0) {
hadspare = B_TRUE;
(void) printf(gettext("\tspares\n"));
for (c = 0; c < sparechildren; c++) {
vname = zpool_vdev_name(g_zfs, NULL,
sparechild[c], name_flags);
(void) printf("\t %s\n", vname);
free(vname);
}
}
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
&sparechild, &sparechildren) == 0 && sparechildren > 0) {
if (!hadspare)
(void) printf(gettext("\tspares\n"));
for (c = 0; c < sparechildren; c++) {
vname = zpool_vdev_name(g_zfs, NULL,
sparechild[c], name_flags);
(void) printf("\t %s\n", vname);
free(vname);
}
}
ret = 0;
} else {
@@ -1548,6 +1626,8 @@ zpool_do_create(int argc, char **argv)
VDEV_ALLOC_BIAS_SPECIAL, 0);
print_vdev_tree(NULL, "logs", nvroot, 0,
VDEV_ALLOC_BIAS_LOG, 0);
print_cache_list(nvroot, 0);
print_spare_list(nvroot, 0);
ret = 0;
} else {
@@ -6515,6 +6595,10 @@ zpool_do_split(int argc, char **argv)
"following layout:\n\n"), newpool);
print_vdev_tree(NULL, newpool, config, 0, "",
flags.name_flags);
print_vdev_tree(NULL, "dedup", config, 0,
VDEV_ALLOC_BIAS_DEDUP, 0);
print_vdev_tree(NULL, "special", config, 0,
VDEV_ALLOC_BIAS_SPECIAL, 0);
}
}