* 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
* Author: JC Lafoucriere <jacques-charles.lafoucriere@cea.fr>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
#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;
/* 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);
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.
*
* 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",
PFID(&hpk->hpk_fid), hpk->hpk_extent.length, hpk->hpk_errval);
CDEBUG(D_HSM, "Finished "DFID" (%d) cancel cookie="LPX64"\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.
*
* 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;
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;
}
*
* 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;
__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 "LPX64
+ ", clear "LPX64") 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 "LPX64
+ ", clear "LPX64") 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)
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;
}
* 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);
+ 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;
}
*
* 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);
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;
}
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;
+ __u64 compound_id;
+ 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, &compound_id);
+
+ MDT_HSM_FREE(hal, hal_size);
+
+ GOTO(out_ucred, rc);
+
out_ucred:
mdt_exit_ucred(info);
+out:
+ mdt_thread_info_fini(info);
return rc;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff