Symbol: spa_busy
usr/src/uts/common/fs/zfs/sys/spa.h
948
extern int spa_busy(void);
usr/src/uts/common/fs/zfs/zfs_ioctl.c
7390
if (spa_busy() || zfs_busy() || zvol_busy())
usr/src/uts/common/fs/zfs/zfs_ioctl.c
7518
if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled)