/* Remove minor for this specific snapshot only */
static void
zvol_remove_minor_impl(const char *name)
{
zvol_state_t *zv, *zv_next;
if (zvol_inhibit_dev)
return;
if (strchr(name, '@') == NULL)
return;
mutex_enter(&zvol_state_lock);
for (zv = list_head(&zvol_state_list); zv != NULL; zv = zv_next) {
zv_next = list_next(&zvol_state_list, zv);
if (strcmp(zv->zv_name, name) == 0) {
/* If in use, leave alone */
if (zv->zv_open_count > 0)
continue;
zvol_remove(zv);
zvol_free(zv);
break;
}
}
mutex_exit(&zvol_state_lock);
}
/*
* Remove minors for specified dataset including children and snapshots.
*/
static void
zvol_remove_minors_impl(const char *name)
{
zvol_state_t *zv, *zv_next;
int namelen = ((name) ? strlen(name) : 0);
if (zvol_inhibit_dev)
return;
mutex_enter(&zvol_state_lock);
for (zv = list_head(&zvol_state_list); zv != NULL; zv = zv_next) {
zv_next = list_next(&zvol_state_list, zv);
if (name == NULL || strcmp(zv->zv_name, name) == 0 ||
(strncmp(zv->zv_name, name, namelen) == 0 &&
(zv->zv_name[namelen] == '/' ||
zv->zv_name[namelen] == '@'))) {
/* If in use, leave alone */
if (zv->zv_open_count > 0)
continue;
zvol_remove(zv);
zvol_free(zv);
}
}
mutex_exit(&zvol_state_lock);
}
/*
* Remove minors for specified pool, if pool is NULL remove all minors.
*/
void
zvol_remove_minors(const char *pool)
{
zvol_state_t *zv, *zv_next;
char *str;
if (zvol_inhibit_dev)
return;
str = kmem_zalloc(MAXNAMELEN, KM_SLEEP);
if (pool) {
(void) strncpy(str, pool, strlen(pool));
(void) strcat(str, "/");
}
mutex_enter(&zvol_state_lock);
for (zv = list_head(&zvol_state_list); zv != NULL; zv = zv_next) {
zv_next = list_next(&zvol_state_list, zv);
if (pool == NULL || !strncmp(str, zv->zv_name, strlen(str))) {
zvol_remove(zv);
zvol_free(zv);
}
}
mutex_exit(&zvol_state_lock);
kmem_free(str, MAXNAMELEN);
}
static int
__zvol_remove_minor(const char *name)
{
zvol_state_t *zv;
ASSERT(MUTEX_HELD(&zvol_state_lock));
zv = zvol_find_by_name(name);
if (zv == NULL)
return (ENXIO);
if (zv->zv_open_count > 0)
return (EBUSY);
zvol_remove(zv);
zvol_free(zv);
return (0);
}
/*
* Remove minors for specified dataset including children and snapshots.
*/
void
zvol_remove_minors(const char *name)
{
zvol_state_t *zv, *zv_next;
int namelen = ((name) ? strlen(name) : 0);
if (zvol_inhibit_dev)
return;
mutex_enter(&zvol_state_lock);
for (zv = list_head(&zvol_state_list); zv != NULL; zv = zv_next) {
zv_next = list_next(&zvol_state_list, zv);
if (name == NULL || strcmp(zv->zv_name, name) == 0 ||
(strncmp(zv->zv_name, name, namelen) == 0 &&
zv->zv_name[namelen] == '/')) {
zvol_remove(zv);
zvol_free(zv);
}
}
mutex_exit(&zvol_state_lock);
}
