static int
zvol_create_minors_cb(spa_t *spa, uint64_t dsobj,
const char *dsname, void *arg)
{
if (strchr(dsname, '/') == NULL)
return 0;
return __zvol_create_minor(dsname);
}
/*
* Create a block device minor node and setup the linkage between it
* and the specified volume. Once this function returns the block
* device is live and ready for use.
*/
int
zvol_create_minor(const char *name)
{
int error;
mutex_enter(&zvol_state_lock);
error = __zvol_create_minor(name);
mutex_exit(&zvol_state_lock);
return (error);
}
/*
* Create a block device minor node and setup the linkage between it
* and the specified volume. Once this function returns the block
* device is live and ready for use.
*/
int
zvol_create_minor(const char *name)
{
int error;
mutex_enter(&zvol_state_lock);
error = __zvol_create_minor(name, B_FALSE);
mutex_exit(&zvol_state_lock);
return (SET_ERROR(error));
}
static int
snapdev_snapshot_changed_cb(const char *dsname, void *arg) {
uint64_t snapdev = *(uint64_t *) arg;
if (strchr(dsname, '@') == NULL)
return 0;
switch (snapdev) {
case ZFS_SNAPDEV_VISIBLE:
mutex_enter(&zvol_state_lock);
(void) __zvol_create_minor(dsname, B_TRUE);
mutex_exit(&zvol_state_lock);
break;
case ZFS_SNAPDEV_HIDDEN:
(void) zvol_remove_minor(dsname);
break;
}
return 0;
}