static int
zfs_zaccess_dataset_check(znode_t *zp, uint32_t v4_mode)
{
- if ((v4_mode & WRITE_MASK) &&
- (ZTOZSB(zp)->z_vfs->mnt_flags & MNT_READONLY) &&
+ if ((v4_mode & WRITE_MASK) && (zfs_is_readonly(ZTOZSB(zp))) &&
(!S_ISDEV(ZTOI(zp)->i_mode) ||
(S_ISDEV(ZTOI(zp)->i_mode) && (v4_mode & WRITE_MASK_ATTRS)))) {
return (EROFS);