X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdt%2Fmdt_hsm.c;h=58a106d2459fe8061066cc4dac5799fdd820e2a0;hb=434eeba4d33d9ddd871cff080d51534081bb3d30;hp=3dc19b98fb04065d11817b443900b47d2f3ee653;hpb=f52379e70f570911320ef1748de138ab3148a8c0;p=fs%2Flustre-release.git

diff --git a/lustre/mdt/mdt_hsm.c b/lustre/mdt/mdt_hsm.c
index 3dc19b9..58a106d 100644
--- a/lustre/mdt/mdt_hsm.c
+++ b/lustre/mdt/mdt_hsm.c
@@ -20,10 +20,11 @@
  * GPL HEADER END
  */
 /*
- * Copyright (c) 2012, Intel Corporation.
- * Use is subject to license terms.
  * Copyright (c) 2011, 2012 Commissariat a l'energie atomique et aux energies
  *                          alternatives
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2015, Intel Corporation.
  */
 /*
  * lustre/mdt/mdt_hsm.c
@@ -34,52 +35,29 @@
  * Author: JC Lafoucriere <jacques-charles.lafoucriere@cea.fr>
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 #define DEBUG_SUBSYSTEM S_MDS
 
+#include <lustre/lustre_errno.h>
 #include "mdt_internal.h"
 
-/*
- * fake functions, will be replace by real one with HSM Coordinator patch
- */
-
-int mdt_hsm_copytool_send(struct obd_export *exp)
-{
-	return 0;
-}
-
-static int mdt_hsm_coordinator_update(struct mdt_thread_info *info,
-				      struct hsm_progress_kernel *pgs)
-{
-	return 0;
-}
+/* Max allocation to satisfy single HSM RPC. */
+#define MDT_HSM_ALLOC_MAX (1 << 20)
 
-static int mdt_hsm_agent_register_mask(struct mdt_thread_info *info,
-				       struct obd_uuid *uuid,
-				       __u32 archive_mask)
-{
-	return 0;
-}
+#define MDT_HSM_ALLOC(ptr, size)			\
+	do {						\
+		if ((size) <= MDT_HSM_ALLOC_MAX)	\
+			OBD_ALLOC_LARGE((ptr), (size));	\
+		else					\
+			(ptr) = NULL;			\
+	} while (0)
 
-static int mdt_hsm_agent_unregister(struct mdt_thread_info *info,
-				    struct obd_uuid *uuid)
-{
-	return 0;
-}
-
-static int mdt_hsm_coordinator_get_actions(struct mdt_thread_info *mti,
-					   struct hsm_action_list *hal)
-{
-	return 0;
-}
+#define MDT_HSM_FREE(ptr, size) OBD_FREE_LARGE((ptr), (size))
 
 /**
  * Update on-disk HSM attributes.
  */
 int mdt_hsm_attr_set(struct mdt_thread_info *info, struct mdt_object *obj,
-		     struct md_hsm *mh)
+		     const struct md_hsm *mh)
 {
 	struct md_object	*next = mdt_object_child(obj);
 	struct lu_buf		*buf = &info->mti_buf;
@@ -93,7 +71,7 @@ int mdt_hsm_attr_set(struct mdt_thread_info *info, struct mdt_object *obj,
 	/* pack HSM attributes */
 	lustre_hsm2buf(info->mti_xattr_buf, mh);
 
-	/* update SOM attributes */
+	/* update HSM attributes */
 	buf->lb_buf = attrs;
 	buf->lb_len = sizeof(*attrs);
 	rc = mo_xattr_set(info->mti_env, next, buf, XATTR_NAME_HSM, 0);
@@ -101,6 +79,25 @@ int mdt_hsm_attr_set(struct mdt_thread_info *info, struct mdt_object *obj,
 	RETURN(rc);
 }
 
+static inline bool mdt_hsm_is_admin(struct mdt_thread_info *info)
+{
+	bool is_admin;
+	int rc;
+
+	if (info->mti_body == NULL)
+		return false;
+
+	rc = mdt_init_ucred(info, (struct mdt_body *)info->mti_body);
+	if (rc < 0)
+		return false;
+
+	is_admin = md_capable(mdt_ucred(info), CFS_CAP_SYS_ADMIN);
+
+	mdt_exit_ucred(info);
+
+	return is_admin;
+}
+
 /**
  * Extract information coming from a copytool and asks coordinator to update
  * a request status depending on the update content.
@@ -109,62 +106,87 @@ int mdt_hsm_attr_set(struct mdt_thread_info *info, struct mdt_object *obj,
  *
  * This is HSM_PROGRESS RPC handler.
  */
-int mdt_hsm_progress(struct mdt_thread_info *info)
+int mdt_hsm_progress(struct tgt_session_info *tsi)
 {
+	struct mdt_thread_info		*info;
 	struct hsm_progress_kernel	*hpk;
 	int				 rc;
 	ENTRY;
 
-	hpk = req_capsule_client_get(info->mti_pill, &RMF_MDS_HSM_PROGRESS);
-	LASSERT(hpk);
+	if (tsi->tsi_mdt_body == NULL)
+		RETURN(-EPROTO);
+
+	hpk = req_capsule_client_get(tsi->tsi_pill, &RMF_MDS_HSM_PROGRESS);
+	if (hpk == NULL)
+		RETURN(err_serious(-EPROTO));
+
+	hpk->hpk_errval = lustre_errno_ntoh(hpk->hpk_errval);
 
-	CDEBUG(D_HSM, "Progress on "DFID": len="LPU64" err=%d\n",
+	CDEBUG(D_HSM, "Progress on "DFID": len=%llu : rc = %d\n",
 	       PFID(&hpk->hpk_fid), hpk->hpk_extent.length, hpk->hpk_errval);
 
 	if (hpk->hpk_errval)
-		CDEBUG(D_HSM, "Copytool progress on "DFID" failed (%d); %s.\n",
+		CDEBUG(D_HSM, "Copytool progress on "DFID" failed : rc = %d; %s.\n",
 		       PFID(&hpk->hpk_fid), hpk->hpk_errval,
 		       hpk->hpk_flags & HP_FLAG_RETRY ? "will retry" : "fatal");
 
 	if (hpk->hpk_flags & HP_FLAG_COMPLETED)
-		CDEBUG(D_HSM, "Finished "DFID" (%d) cancel cookie="LPX64"\n",
+		CDEBUG(D_HSM, "Finished "DFID" : rc = %d; cancel cookie=%#llx\n",
 		       PFID(&hpk->hpk_fid), hpk->hpk_errval, hpk->hpk_cookie);
 
-	rc = mdt_hsm_coordinator_update(info, hpk);
+	info = tsi2mdt_info(tsi);
+	if (!mdt_hsm_is_admin(info))
+		GOTO(out, rc = -EPERM);
 
+	rc = mdt_hsm_coordinator_update(info, hpk);
+out:
+	mdt_thread_info_fini(info);
 	RETURN(rc);
 }
 
-int mdt_hsm_ct_register(struct mdt_thread_info *info)
+int mdt_hsm_ct_register(struct tgt_session_info *tsi)
 {
-	struct ptlrpc_request *req = mdt_info_req(info);
-	__u32 *archives;
-	int rc;
+	struct mdt_thread_info	*info;
+	__u32			*archives;
+	int			 rc;
 	ENTRY;
 
-	archives = req_capsule_client_get(info->mti_pill, &RMF_MDS_HSM_ARCHIVE);
-	LASSERT(archives);
+	archives = req_capsule_client_get(tsi->tsi_pill, &RMF_MDS_HSM_ARCHIVE);
+	if (archives == NULL)
+		RETURN(err_serious(-EPROTO));
+
+	info = tsi2mdt_info(tsi);
+	if (!mdt_hsm_is_admin(info))
+		GOTO(out, rc = -EPERM);
 
 	/* XXX: directly include this function here? */
-	rc = mdt_hsm_agent_register_mask(info, &req->rq_export->exp_client_uuid,
+	rc = mdt_hsm_agent_register_mask(info, &tsi->tsi_exp->exp_client_uuid,
 					 *archives);
-
+out:
+	mdt_thread_info_fini(info);
 	RETURN(rc);
 }
 
-int mdt_hsm_ct_unregister(struct mdt_thread_info *info)
+int mdt_hsm_ct_unregister(struct tgt_session_info *tsi)
 {
-	struct ptlrpc_request *req = mdt_info_req(info);
-	int rc;
+	struct mdt_thread_info	*info;
+	int			 rc;
 	ENTRY;
 
-	/* XXX: directly include this function here? */
-	rc = mdt_hsm_agent_unregister(info, &req->rq_export->exp_client_uuid);
+	if (tsi->tsi_mdt_body == NULL)
+		RETURN(-EPROTO);
 
+	info = tsi2mdt_info(tsi);
+	if (!mdt_hsm_is_admin(info))
+		GOTO(out, rc = -EPERM);
+
+	/* XXX: directly include this function here? */
+	rc = mdt_hsm_agent_unregister(info, &tsi->tsi_exp->exp_client_uuid);
+out:
+	mdt_thread_info_fini(info);
 	RETURN(rc);
 }
 
-
 /**
  * Retrieve the current HSM flags, archive id and undergoing HSM requests for
  * the fid provided in RPC body.
@@ -173,8 +195,9 @@ int mdt_hsm_ct_unregister(struct mdt_thread_info *info)
  *
  * This is MDS_HSM_STATE_GET RPC handler.
  */
-int mdt_hsm_state_get(struct mdt_thread_info *info)
+int mdt_hsm_state_get(struct tgt_session_info *tsi)
 {
+	struct mdt_thread_info	*info = tsi2mdt_info(tsi);
 	struct mdt_object	*obj = info->mti_object;
 	struct md_attr		*ma  = &info->mti_attr;
 	struct hsm_user_state	*hus;
@@ -182,40 +205,41 @@ int mdt_hsm_state_get(struct mdt_thread_info *info)
 	int			 rc;
 	ENTRY;
 
-	lh = &info->mti_lh[MDT_LH_CHILD];
-	mdt_lock_reg_init(lh, LCK_PR);
-	rc = mdt_object_lock(info, obj, lh, MDS_INODELOCK_LOOKUP,
-			     MDT_LOCAL_LOCK);
-	if (rc)
-		RETURN(rc);
+	if (info->mti_body == NULL || obj == NULL)
+		GOTO(out, rc = -EPROTO);
 
 	/* Only valid if client is remote */
 	rc = mdt_init_ucred(info, (struct mdt_body *)info->mti_body);
-	if (rc)
-		GOTO(out_unlock, rc = err_serious(rc));
+	if (rc < 0)
+		GOTO(out, rc = err_serious(rc));
+
+	lh = &info->mti_lh[MDT_LH_CHILD];
+	mdt_lock_reg_init(lh, LCK_PR);
+	rc = mdt_object_lock(info, obj, lh, MDS_INODELOCK_LOOKUP);
+	if (rc < 0)
+		GOTO(out_ucred, rc);
 
 	ma->ma_valid = 0;
 	ma->ma_need = MA_HSM;
 	rc = mdt_attr_get_complex(info, obj, ma);
 	if (rc)
-		GOTO(out_ucred, rc);
+		GOTO(out_unlock, rc);
 
-	if (req_capsule_get_size(info->mti_pill, &RMF_CAPA1, RCL_CLIENT))
-		mdt_set_capainfo(info, 0, &info->mti_body->fid1,
-			    req_capsule_client_get(info->mti_pill, &RMF_CAPA1));
-
-	hus = req_capsule_server_get(info->mti_pill, &RMF_HSM_USER_STATE);
-	LASSERT(hus);
+	hus = req_capsule_server_get(tsi->tsi_pill, &RMF_HSM_USER_STATE);
+	if (hus == NULL)
+		GOTO(out_unlock, rc = -EPROTO);
 
 	/* Current HSM flags */
 	hus->hus_states = ma->ma_hsm.mh_flags;
 	hus->hus_archive_id = ma->ma_hsm.mh_arch_id;
 
 	EXIT;
-out_ucred:
-	mdt_exit_ucred(info);
 out_unlock:
 	mdt_object_unlock(info, obj, lh, 1);
+out_ucred:
+	mdt_exit_ucred(info);
+out:
+	mdt_thread_info_fini(info);
 	return rc;
 }
 
@@ -224,12 +248,13 @@ out_unlock:
  *
  * Archive number is changed iif the value is not 0.
  * The new flagset that will be computed should result in a coherent state.
- * This function checks that are flags are compatible.
+ * This function checks that flags are compatible.
  *
  * This is MDS_HSM_STATE_SET RPC handler.
  */
-int mdt_hsm_state_set(struct mdt_thread_info *info)
+int mdt_hsm_state_set(struct tgt_session_info *tsi)
 {
+	struct mdt_thread_info	*info = tsi2mdt_info(tsi);
 	struct mdt_object	*obj = info->mti_object;
 	struct md_attr          *ma = &info->mti_attr;
 	struct hsm_state_set	*hss;
@@ -238,31 +263,47 @@ int mdt_hsm_state_set(struct mdt_thread_info *info)
 	__u64			 flags;
 	ENTRY;
 
-	lh = &info->mti_lh[MDT_LH_CHILD];
-	mdt_lock_reg_init(lh, LCK_PW);
-	rc = mdt_object_lock(info, obj, lh, MDS_INODELOCK_LOOKUP,
-			     MDT_LOCAL_LOCK);
-	if (rc)
-		RETURN(rc);
+	hss = req_capsule_client_get(info->mti_pill, &RMF_HSM_STATE_SET);
+
+	if (info->mti_body == NULL || obj == NULL || hss == NULL)
+		GOTO(out, rc = -EPROTO);
 
 	/* Only valid if client is remote */
 	rc = mdt_init_ucred(info, (struct mdt_body *)info->mti_body);
-	if (rc)
-		GOTO(out_obj, rc = err_serious(rc));
+	if (rc < 0)
+		GOTO(out, rc = err_serious(rc));
+
+	lh = &info->mti_lh[MDT_LH_CHILD];
+	mdt_lock_reg_init(lh, LCK_PW);
+	rc = mdt_object_lock(info, obj, lh, MDS_INODELOCK_LOOKUP |
+			     MDS_INODELOCK_XATTR);
+	if (rc < 0)
+		GOTO(out_ucred, rc);
+
+	/* Detect out-of range masks */
+	if ((hss->hss_setmask | hss->hss_clearmask) & ~HSM_FLAGS_MASK) {
+		CDEBUG(D_HSM, "Incompatible masks provided (set %#llx"
+		       ", clear %#llx) vs supported set (%#x).\n",
+		       hss->hss_setmask, hss->hss_clearmask, HSM_FLAGS_MASK);
+		GOTO(out_unlock, rc = -EINVAL);
+	}
+
+	/* Non-root users are forbidden to set or clear flags which are
+	 * NOT defined in HSM_USER_MASK. */
+	if (((hss->hss_setmask | hss->hss_clearmask) & ~HSM_USER_MASK) &&
+	    !md_capable(mdt_ucred(info), CFS_CAP_SYS_ADMIN)) {
+		CDEBUG(D_HSM, "Incompatible masks provided (set %#llx"
+		       ", clear %#llx) vs unprivileged set (%#x).\n",
+		       hss->hss_setmask, hss->hss_clearmask, HSM_USER_MASK);
+		GOTO(out_unlock, rc = -EPERM);
+	}
 
 	/* Read current HSM info */
 	ma->ma_valid = 0;
 	ma->ma_need = MA_HSM;
 	rc = mdt_attr_get_complex(info, obj, ma);
 	if (rc)
-		GOTO(out_ucred, rc);
-
-	hss = req_capsule_client_get(info->mti_pill, &RMF_HSM_STATE_SET);
-	LASSERT(hss);
-
-	if (req_capsule_get_size(info->mti_pill, &RMF_CAPA1, RCL_CLIENT))
-		mdt_set_capainfo(info, 0, &info->mti_body->fid1,
-			    req_capsule_client_get(info->mti_pill, &RMF_CAPA1));
+		GOTO(out_unlock, rc);
 
 	/* Change HSM flags depending on provided masks */
 	if (hss->hss_valid & HSS_SETMASK)
@@ -275,9 +316,17 @@ int mdt_hsm_state_set(struct mdt_thread_info *info)
 		if (!(ma->ma_hsm.mh_flags & HS_EXISTS)) {
 			CDEBUG(D_HSM, "Could not set an archive number for "
 			       DFID "if HSM EXISTS flag is not set.\n",
-			       PFID(&info->mti_body->fid1));
-			GOTO(out_ucred, rc);
+			       PFID(&info->mti_body->mbo_fid1));
+			GOTO(out_unlock, rc);
+		}
+
+		/* Detect out-of range archive id */
+		if (hss->hss_archive_id > LL_HSM_MAX_ARCHIVE) {
+			CDEBUG(D_HSM, "archive id %u exceeds maximum %zu.\n",
+			       hss->hss_archive_id, LL_HSM_MAX_ARCHIVE);
+			GOTO(out_unlock, rc = -EINVAL);
 		}
+
 		ma->ma_hsm.mh_arch_id = hss->hss_archive_id;
 	}
 
@@ -288,27 +337,29 @@ int mdt_hsm_state_set(struct mdt_thread_info *info)
 	 * LOST without ARCHIVED: cannot lost a non-archived file.
 	 */
 	flags = ma->ma_hsm.mh_flags;
-	if (((flags & HS_DIRTY) && !(flags & HS_EXISTS)) ||
-	    ((flags & HS_RELEASED) && (flags & HS_DIRTY)) ||
-	    ((flags & HS_RELEASED) && !(flags & HS_ARCHIVED)) ||
-	    ((flags & HS_LOST)     && !(flags & HS_ARCHIVED))) {
+	if ((flags & HS_DIRTY    && !(flags & HS_EXISTS)) ||
+	    (flags & HS_RELEASED && flags & HS_DIRTY) ||
+	    (flags & HS_RELEASED && !(flags & HS_ARCHIVED)) ||
+	    (flags & HS_LOST     && !(flags & HS_ARCHIVED))) {
 		CDEBUG(D_HSM, "Incompatible flag change on "DFID
-			      "flags="LPX64"\n",
-		       PFID(&info->mti_body->fid1), flags);
-		GOTO(out_ucred, rc = -EINVAL);
+			      "flags=%#llx\n",
+		       PFID(&info->mti_body->mbo_fid1), flags);
+		GOTO(out_unlock, rc = -EINVAL);
 	}
 
 	/* Save the modified flags */
 	rc = mdt_hsm_attr_set(info, obj, &ma->ma_hsm);
 	if (rc)
-		GOTO(out_ucred, rc);
+		GOTO(out_unlock, rc);
 
 	EXIT;
 
+out_unlock:
+	mdt_object_unlock(info, obj, lh, 1);
 out_ucred:
 	mdt_exit_ucred(info);
-out_obj:
-	mdt_object_unlock(info, obj, lh, 1);
+out:
+	mdt_thread_info_fini(info);
 	return rc;
 }
 
@@ -318,50 +369,53 @@ out_obj:
  *
  * This is MDS_HSM_ACTION RPC handler.
  */
-int mdt_hsm_action(struct mdt_thread_info *info)
+int mdt_hsm_action(struct tgt_session_info *tsi)
 {
+	struct mdt_thread_info		*info;
 	struct hsm_current_action	*hca;
 	struct hsm_action_list		*hal = NULL;
 	struct hsm_action_item		*hai;
-	int				 rc, len;
+	int				 hal_size;
+	int				 rc;
 	ENTRY;
 
+	hca = req_capsule_server_get(tsi->tsi_pill,
+				     &RMF_MDS_HSM_CURRENT_ACTION);
+	if (hca == NULL)
+		RETURN(err_serious(-EPROTO));
+
+	if (tsi->tsi_mdt_body == NULL)
+		RETURN(-EPROTO);
+
+	info = tsi2mdt_info(tsi);
 	/* Only valid if client is remote */
 	rc = mdt_init_ucred(info, (struct mdt_body *)info->mti_body);
 	if (rc)
-		RETURN(rc = err_serious(rc));
-
-	if (req_capsule_get_size(info->mti_pill, &RMF_CAPA1, RCL_CLIENT))
-		mdt_set_capainfo(info, 0, &info->mti_body->fid1,
-				 req_capsule_client_get(info->mti_pill,
-							&RMF_CAPA1));
-
-	hca = req_capsule_server_get(info->mti_pill,
-				     &RMF_MDS_HSM_CURRENT_ACTION);
-	LASSERT(hca);
+		GOTO(out, rc = err_serious(rc));
 
 	/* Coordinator information */
-	len = sizeof(*hal) + MTI_NAME_MAXLEN /* fsname */ +
-		cfs_size_round(sizeof(*hai));
+	hal_size = sizeof(*hal) +
+		   cfs_size_round(MTI_NAME_MAXLEN) /* fsname */ +
+		   cfs_size_round(sizeof(*hai));
 
-	OBD_ALLOC(hal, len);
+	MDT_HSM_ALLOC(hal, hal_size);
 	if (hal == NULL)
-		GOTO(out_ucred, -ENOMEM);
+		GOTO(out_ucred, rc = -ENOMEM);
 
 	hal->hal_version = HAL_VERSION;
-	hal->hal_archive_num = 0;
+	hal->hal_archive_id = 0;
 	hal->hal_flags = 0;
-	obd_uuid2fsname(hal->hal_fsname, mdt2obd_dev(info->mti_mdt)->obd_name,
+	obd_uuid2fsname(hal->hal_fsname, mdt_obd_name(info->mti_mdt),
 			MTI_NAME_MAXLEN);
 	hal->hal_count = 1;
-	hai = hai_zero(hal);
+	hai = hai_first(hal);
 	hai->hai_action = HSMA_NONE;
 	hai->hai_cookie = 0;
 	hai->hai_gid = 0;
-	hai->hai_fid = info->mti_body->fid1;
+	hai->hai_fid = info->mti_body->mbo_fid1;
 	hai->hai_len = sizeof(*hai);
 
-	rc = mdt_hsm_coordinator_get_actions(info, hal);
+	rc = mdt_hsm_get_actions(info, hal);
 	if (rc)
 		GOTO(out_free, rc);
 
@@ -390,7 +444,7 @@ int mdt_hsm_action(struct mdt_thread_info *info)
 	default:
 		hca->hca_action = HUA_NONE;
 		CERROR("%s: Unknown hsm action: %d on "DFID"\n",
-		       mdt2obd_dev(info->mti_mdt)->obd_name,
+		       mdt_obd_name(info->mti_mdt),
 		       hai->hai_action, PFID(&hai->hai_fid));
 		break;
 	}
@@ -399,8 +453,145 @@ int mdt_hsm_action(struct mdt_thread_info *info)
 
 	EXIT;
 out_free:
-	OBD_FREE(hal, len);
+	MDT_HSM_FREE(hal, hal_size);
+out_ucred:
+	mdt_exit_ucred(info);
+out:
+	mdt_thread_info_fini(info);
+	return rc;
+}
+
+/* Return true if a FID is present in an action list. */
+static bool is_fid_in_hal(struct hsm_action_list *hal, const lustre_fid *fid)
+{
+	struct hsm_action_item *hai;
+	int i;
+
+	for (hai = hai_first(hal), i = 0;
+	     i < hal->hal_count;
+	     i++, hai = hai_next(hai)) {
+		if (lu_fid_eq(&hai->hai_fid, fid))
+			return true;
+	}
+
+	return false;
+}
+
+/**
+ * Process the HSM actions described in a struct hsm_user_request.
+ *
+ * The action described in hur will be send to coordinator to be saved and
+ * processed later or either handled directly if hur.hur_action is HUA_RELEASE.
+ *
+ * This is MDS_HSM_REQUEST RPC handler.
+ */
+int mdt_hsm_request(struct tgt_session_info *tsi)
+{
+	struct mdt_thread_info		*info;
+	struct req_capsule		*pill = tsi->tsi_pill;
+	struct hsm_request		*hr;
+	struct hsm_user_item		*hui;
+	struct hsm_action_list		*hal;
+	struct hsm_action_item		*hai;
+	const void			*data;
+	int				 hui_list_size;
+	int				 data_size;
+	enum hsm_copytool_action	 action = HSMA_NONE;
+	int				 hal_size, i, rc;
+	ENTRY;
+
+	hr = req_capsule_client_get(pill, &RMF_MDS_HSM_REQUEST);
+	hui = req_capsule_client_get(pill, &RMF_MDS_HSM_USER_ITEM);
+	data = req_capsule_client_get(pill, &RMF_GENERIC_DATA);
+
+	if (tsi->tsi_mdt_body == NULL || hr == NULL || hui == NULL || data == NULL)
+		RETURN(-EPROTO);
+
+	/* Sanity check. Nothing to do with an empty list */
+	if (hr->hr_itemcount == 0)
+		RETURN(0);
+
+	hui_list_size = req_capsule_get_size(pill, &RMF_MDS_HSM_USER_ITEM,
+					     RCL_CLIENT);
+	if (hui_list_size < hr->hr_itemcount * sizeof(*hui))
+		RETURN(-EPROTO);
+
+	data_size = req_capsule_get_size(pill, &RMF_GENERIC_DATA, RCL_CLIENT);
+	if (data_size != hr->hr_data_len)
+		RETURN(-EPROTO);
+
+	info = tsi2mdt_info(tsi);
+	/* Only valid if client is remote */
+	rc = mdt_init_ucred(info, (struct mdt_body *)info->mti_body);
+	if (rc)
+		GOTO(out, rc);
+
+	switch (hr->hr_action) {
+	/* code to be removed in hsm1_merge and final patch */
+	case HUA_RELEASE:
+		CERROR("Release action is not working in hsm1_coord\n");
+		GOTO(out_ucred, rc = -EINVAL);
+		break;
+	/* end of code to be removed */
+	case HUA_ARCHIVE:
+		action = HSMA_ARCHIVE;
+		break;
+	case HUA_RESTORE:
+		action = HSMA_RESTORE;
+		break;
+	case HUA_REMOVE:
+		action = HSMA_REMOVE;
+		break;
+	case HUA_CANCEL:
+		action = HSMA_CANCEL;
+		break;
+	default:
+		CERROR("Unknown hsm action: %d\n", hr->hr_action);
+		GOTO(out_ucred, rc = -EINVAL);
+	}
+
+	hal_size = sizeof(*hal) + cfs_size_round(MTI_NAME_MAXLEN) /* fsname */ +
+		   (sizeof(*hai) + cfs_size_round(hr->hr_data_len)) *
+		   hr->hr_itemcount;
+
+	MDT_HSM_ALLOC(hal, hal_size);
+	if (hal == NULL)
+		GOTO(out_ucred, rc = -ENOMEM);
+
+	hal->hal_version = HAL_VERSION;
+	hal->hal_archive_id = hr->hr_archive_id;
+	hal->hal_flags = hr->hr_flags;
+	obd_uuid2fsname(hal->hal_fsname, mdt_obd_name(info->mti_mdt),
+			MTI_NAME_MAXLEN);
+
+	hal->hal_count = 0;
+	hai = hai_first(hal);
+	for (i = 0; i < hr->hr_itemcount; i++, hai = hai_next(hai)) {
+		/* Get rid of duplicate entries. Otherwise we get
+		 * duplicated work in the llog. */
+		if (is_fid_in_hal(hal, &hui[i].hui_fid))
+			continue;
+
+		hai->hai_action = action;
+		hai->hai_cookie = 0;
+		hai->hai_gid = 0;
+		hai->hai_fid = hui[i].hui_fid;
+		hai->hai_extent = hui[i].hui_extent;
+		memcpy(hai->hai_data, data, hr->hr_data_len);
+		hai->hai_len = sizeof(*hai) + hr->hr_data_len;
+
+		hal->hal_count++;
+	}
+
+	rc = mdt_hsm_add_actions(info, hal);
+
+	MDT_HSM_FREE(hal, hal_size);
+
+	GOTO(out_ucred, rc);
+
 out_ucred:
 	mdt_exit_ucred(info);
+out:
+	mdt_thread_info_fini(info);
 	return rc;
 }