Move get_temporary_prop to platform code

Temporary property handling at the VFS layer requires
platform specific code.

Reviewed-by: Sean Eric Fagan <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Jorgen Lundman <[email protected]>
Signed-off-by: Matt Macy <[email protected]>
Closes #9401 

1 files changed, 7 insertions, 81 deletions

diff --git a/module/zfs/zcp_get.c b/module/zfs/zcp_get.c
index 974d3328c..fdf566d27 100644
--- a/module/zfs/zcp_get.c
+++ b/module/zfs/zcp_get.c
@@ -213,85 +213,6 @@ get_dsl_dir_prop(dsl_dataset_t *ds, zfs_prop_t zfs_prop,
 }
 
 /*
- * Takes a dataset, a property, a value and that value's setpoint as
- * found in the ZAP. Checks if the property has been changed in the vfs.
- * If so, val and setpoint will be overwritten with updated content.
- * Otherwise, they are left unchanged.
- */
-static int
-get_temporary_prop(dsl_dataset_t *ds, zfs_prop_t zfs_prop, uint64_t *val,
-    char *setpoint)
-{
-#if	!defined(_KERNEL)
-	return (0);
-#else
-	int error;
-	zfsvfs_t *zfvp;
-	vfs_t *vfsp;
-	objset_t *os;
-	uint64_t tmp = *val;
-
-	error = dmu_objset_from_ds(ds, &os);
-	if (error != 0)
-		return (error);
-
-	if (dmu_objset_type(os) != DMU_OST_ZFS)
-		return (EINVAL);
-
-	mutex_enter(&os->os_user_ptr_lock);
-	zfvp = dmu_objset_get_user(os);
-	mutex_exit(&os->os_user_ptr_lock);
-	if (zfvp == NULL)
-		return (ESRCH);
-
-	vfsp = zfvp->z_vfs;
-
-	switch (zfs_prop) {
-	case ZFS_PROP_ATIME:
-		if (vfsp->vfs_do_atime)
-			tmp = vfsp->vfs_atime;
-		break;
-	case ZFS_PROP_RELATIME:
-		if (vfsp->vfs_do_relatime)
-			tmp = vfsp->vfs_relatime;
-		break;
-	case ZFS_PROP_DEVICES:
-		if (vfsp->vfs_do_devices)
-			tmp = vfsp->vfs_devices;
-		break;
-	case ZFS_PROP_EXEC:
-		if (vfsp->vfs_do_exec)
-			tmp = vfsp->vfs_exec;
-		break;
-	case ZFS_PROP_SETUID:
-		if (vfsp->vfs_do_setuid)
-			tmp = vfsp->vfs_setuid;
-		break;
-	case ZFS_PROP_READONLY:
-		if (vfsp->vfs_do_readonly)
-			tmp = vfsp->vfs_readonly;
-		break;
-	case ZFS_PROP_XATTR:
-		if (vfsp->vfs_do_xattr)
-			tmp = vfsp->vfs_xattr;
-		break;
-	case ZFS_PROP_NBMAND:
-		if (vfsp->vfs_do_nbmand)
-			tmp = vfsp->vfs_nbmand;
-		break;
-	default:
-		return (ENOENT);
-	}
-
-	if (tmp != *val) {
-		(void) strcpy(setpoint, "temporary");
-		*val = tmp;
-	}
-	return (0);
-#endif
-}
-
-/*
  * Check if the property we're looking for is stored at the dsl_dataset or
  * dsl_dir level. If so, push the property value and source onto the lua stack
  * and return 0. If it is not present or a failure occurs in lookup, return a
@@ -547,9 +468,14 @@ get_zap_prop(lua_State *state, dsl_dataset_t *ds, zfs_prop_t zfs_prop)
 		error = dsl_prop_get_ds(ds, prop_name, sizeof (numval),
 		    1, &numval, setpoint);
 
+#ifdef _KERNEL
 		/* Fill in temporary value for prop, if applicable */
-		(void) get_temporary_prop(ds, zfs_prop, &numval, setpoint);
-
+		(void) zfs_get_temporary_prop(ds, zfs_prop, &numval, setpoint);
+#else
+		return (luaL_error(state,
+		    "temporary properties only supported in kernel mode",
+		    prop_name));
+#endif
 		/* Push value to lua stack */
 		if (prop_type == PROP_TYPE_INDEX) {
 			const char *propval;