#include "mdt_internal.h"
+/* Max allocation to satisfy single HSM RPC. */
+#define MDT_HSM_ALLOC_MAX (1 << 20)
+
+#define MDT_HSM_ALLOC(ptr, size) \
+ do { \
+ if ((size) <= MDT_HSM_ALLOC_MAX) \
+ OBD_ALLOC_LARGE((ptr), (size)); \
+ else \
+ (ptr) = NULL; \
+ } while (0)
+
+#define MDT_HSM_FREE(ptr, size) OBD_FREE_LARGE((ptr), (size))
+
/*
* fake functions, will be replace by real one with HSM Coordinator patch
*/
return 0;
}
+static int mdt_hsm_coordinator_get_actions(struct mdt_thread_info *mti,
+ struct hsm_action_list *hal)
+{
+ return 0;
+}
+
+static int mdt_hsm_coordinator_actions(struct mdt_thread_info *info,
+ struct hsm_action_list *hal,
+ __u64 *compound_id,
+ int mti_attr_is_valid)
+{
+ return 0;
+}
+
/**
* Update on-disk HSM attributes.
*/
*/
int mdt_hsm_progress(struct mdt_thread_info *info)
{
+ struct mdt_body *body;
struct hsm_progress_kernel *hpk;
int rc;
ENTRY;
+ body = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ RETURN(-EPROTO);
+
hpk = req_capsule_client_get(info->mti_pill, &RMF_MDS_HSM_PROGRESS);
- LASSERT(hpk);
+ if (hpk == NULL)
+ RETURN(-EPROTO);
CDEBUG(D_HSM, "Progress on "DFID": len="LPU64" err=%d\n",
PFID(&hpk->hpk_fid), hpk->hpk_extent.length, hpk->hpk_errval);
int mdt_hsm_ct_register(struct mdt_thread_info *info)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- __u32 *archives;
- int rc;
+ struct mdt_body *body;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ __u32 *archives;
+ int rc;
ENTRY;
+ body = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ RETURN(-EPROTO);
+
archives = req_capsule_client_get(info->mti_pill, &RMF_MDS_HSM_ARCHIVE);
- LASSERT(archives);
+ if (archives == NULL)
+ RETURN(-EPROTO);
/* XXX: directly include this function here? */
rc = mdt_hsm_agent_register_mask(info, &req->rq_export->exp_client_uuid,
int mdt_hsm_ct_unregister(struct mdt_thread_info *info)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- int rc;
+ struct mdt_body *body;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ int rc;
ENTRY;
+ body = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ RETURN(-EPROTO);
+
/* XXX: directly include this function here? */
rc = mdt_hsm_agent_unregister(info, &req->rq_export->exp_client_uuid);
RETURN(rc);
}
+
+/**
+ * Retrieve the current HSM flags, archive id and undergoing HSM requests for
+ * the fid provided in RPC body.
+ *
+ * Current requests are read from coordinator states.
+ *
+ * This is MDS_HSM_STATE_GET RPC handler.
+ */
+int mdt_hsm_state_get(struct mdt_thread_info *info)
+{
+ struct mdt_object *obj = info->mti_object;
+ struct md_attr *ma = &info->mti_attr;
+ struct hsm_user_state *hus;
+ struct mdt_lock_handle *lh;
+ 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);
+
+ /* 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));
+
+ ma->ma_valid = 0;
+ ma->ma_need = MA_HSM;
+ rc = mdt_attr_get_complex(info, obj, ma);
+ if (rc)
+ GOTO(out_ucred, 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);
+ if (hus == NULL)
+ GOTO(out_ucred, 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);
+ return rc;
+}
+
+/**
+ * Change HSM state and archive number of a file.
+ *
+ * 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 is MDS_HSM_STATE_SET RPC handler.
+ */
+int mdt_hsm_state_set(struct mdt_thread_info *info)
+{
+ struct mdt_object *obj = info->mti_object;
+ struct md_attr *ma = &info->mti_attr;
+ struct hsm_state_set *hss;
+ struct mdt_lock_handle *lh;
+ int rc;
+ __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);
+
+ /* 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));
+
+ /* 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);
+ if (hss == NULL)
+ GOTO(out_ucred, rc = -EPROTO);
+
+ 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));
+
+ /* Change HSM flags depending on provided masks */
+ if (hss->hss_valid & HSS_SETMASK)
+ ma->ma_hsm.mh_flags |= hss->hss_setmask;
+ if (hss->hss_valid & HSS_CLEARMASK)
+ ma->ma_hsm.mh_flags &= ~hss->hss_clearmask;
+
+ /* Change archive_id if provided. */
+ if (hss->hss_valid & HSS_ARCHIVE_ID) {
+ 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);
+ }
+ ma->ma_hsm.mh_arch_id = hss->hss_archive_id;
+ }
+
+ /* Check for inconsistant HSM flagset.
+ * DIRTY without EXISTS: no dirty if no archive was created.
+ * DIRTY and RELEASED: a dirty file could not be released.
+ * RELEASED without ARCHIVED: do not release a non-archived file.
+ * 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))) {
+ CDEBUG(D_HSM, "Incompatible flag change on "DFID
+ "flags="LPX64"\n",
+ PFID(&info->mti_body->fid1), flags);
+ GOTO(out_ucred, rc = -EINVAL);
+ }
+
+ /* Save the modified flags */
+ rc = mdt_hsm_attr_set(info, obj, &ma->ma_hsm);
+ if (rc)
+ GOTO(out_ucred, rc);
+
+ EXIT;
+
+out_ucred:
+ mdt_exit_ucred(info);
+out_obj:
+ mdt_object_unlock(info, obj, lh, 1);
+ return rc;
+}
+
+/**
+ * Retrieve undergoing HSM requests for the fid provided in RPC body.
+ * Current requests are read from coordinator states.
+ *
+ * This is MDS_HSM_ACTION RPC handler.
+ */
+int mdt_hsm_action(struct mdt_thread_info *info)
+{
+ struct hsm_current_action *hca;
+ struct hsm_action_list *hal = NULL;
+ struct hsm_action_item *hai;
+ int hal_size;
+ int rc;
+ ENTRY;
+
+ /* 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);
+ if (hca == NULL)
+ GOTO(out_ucred, rc = -EPROTO);
+
+ /* Coordinator information */
+ hal_size = sizeof(*hal) +
+ cfs_size_round(MTI_NAME_MAXLEN) /* fsname */ +
+ cfs_size_round(sizeof(*hai));
+
+ MDT_HSM_ALLOC(hal, hal_size);
+ if (hal == NULL)
+ GOTO(out_ucred, rc = -ENOMEM);
+
+ hal->hal_version = HAL_VERSION;
+ hal->hal_archive_id = 0;
+ hal->hal_flags = 0;
+ obd_uuid2fsname(hal->hal_fsname, mdt2obd_dev(info->mti_mdt)->obd_name,
+ MTI_NAME_MAXLEN);
+ hal->hal_count = 1;
+ hai = hai_zero(hal);
+ hai->hai_action = HSMA_NONE;
+ hai->hai_cookie = 0;
+ hai->hai_gid = 0;
+ hai->hai_fid = info->mti_body->fid1;
+ hai->hai_len = sizeof(*hai);
+
+ rc = mdt_hsm_coordinator_get_actions(info, hal);
+ if (rc)
+ GOTO(out_free, rc);
+
+ /* cookie is used to give back request status */
+ if (hai->hai_cookie == 0)
+ hca->hca_state = HPS_WAITING;
+ else
+ hca->hca_state = HPS_RUNNING;
+
+ switch (hai->hai_action) {
+ case HSMA_NONE:
+ hca->hca_action = HUA_NONE;
+ break;
+ case HSMA_ARCHIVE:
+ hca->hca_action = HUA_ARCHIVE;
+ break;
+ case HSMA_RESTORE:
+ hca->hca_action = HUA_RESTORE;
+ break;
+ case HSMA_REMOVE:
+ hca->hca_action = HUA_REMOVE;
+ break;
+ case HSMA_CANCEL:
+ hca->hca_action = HUA_CANCEL;
+ break;
+ default:
+ hca->hca_action = HUA_NONE;
+ CERROR("%s: Unknown hsm action: %d on "DFID"\n",
+ mdt2obd_dev(info->mti_mdt)->obd_name,
+ hai->hai_action, PFID(&hai->hai_fid));
+ break;
+ }
+
+ hca->hca_location = hai->hai_extent;
+
+ EXIT;
+out_free:
+ MDT_HSM_FREE(hal, hal_size);
+out_ucred:
+ mdt_exit_ucred(info);
+ return rc;
+}
+
+/**
+ * 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 mdt_thread_info *info)
+{
+ struct req_capsule *pill = info->mti_pill;
+ struct mdt_body *body;
+ 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;
+ __u64 compound_id;
+ int hal_size, i, rc;
+ ENTRY;
+
+ body = req_capsule_client_get(pill, &RMF_MDT_BODY);
+ 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 (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);
+
+ /* Only valid if client is remote */
+ rc = mdt_init_ucred(info, body);
+ if (rc)
+ RETURN(err_serious(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, mdt2obd_dev(info->mti_mdt)->obd_name,
+ MTI_NAME_MAXLEN);
+
+ hal->hal_count = hr->hr_itemcount;
+ hai = hai_zero(hal);
+ for (i = 0; i < hr->hr_itemcount; i++) {
+ 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;
+ hai = hai_next(hai);
+ }
+
+ rc = mdt_hsm_coordinator_actions(info, hal, &compound_id, 0);
+ /* ENODATA error code is needed only for implicit requests */
+ if (rc == -ENODATA)
+ rc = 0;
+
+ MDT_HSM_FREE(hal, hal_size);
+ EXIT;
+out_ucred:
+ mdt_exit_ucred(info);
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff