Symbol: zvol_open
usr/src/uts/common/fs/zfs/sys/zvol.h
48
extern int zvol_open(dev_t *devp, int flag, int otyp, cred_t *cr);
usr/src/uts/common/fs/zfs/zfs_ioctl.c
7157
return (zvol_open(devp, flag, otyp, cr));