-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <lustre_mdc.h>
-#ifdef LPROCFS
-void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars);
-#else
-static inline void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
-{
- memset(lvars, 0, sizeof(*lvars));
-}
-#endif
-
+int mdc_tunables_init(struct obd_device *obd);
+
void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid,
- struct obd_capa *oc, __u64 valid, int ea_size,
- __u32 suppgid, int flags);
-void mdc_pack_capa(struct ptlrpc_request *req, const struct req_msg_field *field,
- struct obd_capa *oc);
-int mdc_pack_req(struct ptlrpc_request *req, int version, int opc);
-void mdc_is_subdir_pack(struct ptlrpc_request *req, const struct lu_fid *pfid,
- const struct lu_fid *cfid, int flags);
-void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, __u32 size,
- const struct lu_fid *fid, struct obd_capa *oc);
-void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags,
- struct md_op_data *data);
+ u64 valid, size_t ea_size, u32 suppgid, u32 flags);
+void mdc_swap_layouts_pack(struct ptlrpc_request *req,
+ struct md_op_data *op_data);
+void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, size_t size,
+ const struct lu_fid *fid);
+void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, __u32 flags,
+ struct md_op_data *data, size_t ea_size);
void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
- void *ea, int ealen, void *ea2, int ea2len);
+ void *ea, size_t ealen);
void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
- const void *data, int datalen, __u32 mode, __u32 uid,
- __u32 gid, cfs_cap_t capability, __u64 rdev);
+ const void *data, size_t datalen, umode_t mode,
+ uid_t uid, gid_t gid, cfs_cap_t capability, __u64 rdev);
void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
- __u32 mode, __u64 rdev, __u32 flags, const void *data,
- int datalen);
-void mdc_join_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
- __u64 head_size);
+ umode_t mode, __u64 rdev, __u64 flags,
+ const void *data, size_t datalen);
+void mdc_file_secctx_pack(struct ptlrpc_request *req,
+ const char *secctx_name,
+ const void *secctx, size_t secctx_size);
+void mdc_file_sepol_pack(struct ptlrpc_request *req);
+
void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
+void mdc_getxattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
- const char *old, int oldlen, const char *new, int newlen);
+ const char *old, size_t oldlen,
+ const char *new, size_t newlen);
+void mdc_migrate_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
+ const char *name, size_t namelen);
void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
-void mdc_enter_request(struct client_obd *cli);
-void mdc_exit_request(struct client_obd *cli);
/* mdc/mdc_locks.c */
int mdc_set_lock_data(struct obd_export *exp,
- __u64 *lockh, void *data);
+ const struct lustre_handle *lockh,
+ void *data, __u64 *bits);
-int mdc_change_cbdata(struct obd_export *exp, const struct lu_fid *fid,
- ldlm_iterator_t it, void *data);
+int mdc_null_inode(struct obd_export *exp, const struct lu_fid *fid);
int mdc_intent_lock(struct obd_export *exp,
- struct md_op_data *,
- void *lmm, int lmmsize,
- struct lookup_intent *, int,
- struct ptlrpc_request **reqp,
- ldlm_blocking_callback cb_blocking, int extra_lock_flags);
-int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
- struct lookup_intent *it, struct md_op_data *op_data,
- struct lustre_handle *lockh, void *lmm, int lmmsize,
- struct ptlrpc_request **req, int extra_lock_flags);
+ struct md_op_data *op_data,
+ struct lookup_intent *it,
+ struct ptlrpc_request **reqp,
+ ldlm_blocking_callback cb_blocking,
+ __u64 extra_lock_flags);
-int mdc_resource_get_unused(struct obd_export *exp, struct lu_fid *fid,
- struct list_head *cancels, ldlm_mode_t mode,
+int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
+ const union ldlm_policy_data *policy,
+ struct md_op_data *op_data,
+ struct lustre_handle *lockh, __u64 extra_lock_flags);
+int mdc_resource_get_unused_res(struct obd_export *exp,
+ struct ldlm_res_id *res_id,
+ struct list_head *cancels,
+ enum ldlm_mode mode, __u64 bits);
+int mdc_resource_get_unused(struct obd_export *exp, const struct lu_fid *fid,
+ struct list_head *cancels, enum ldlm_mode mode,
__u64 bits);
+int mdc_save_lovea(struct ptlrpc_request *req,
+ const struct req_msg_field *field,
+ void *data, u32 size);
/* mdc/mdc_request.c */
-int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid,
- struct md_op_data *op_data);
-
-int mdc_open(struct obd_export *exp, obd_id ino, int type, int flags,
- struct lov_mds_md *lmm, int lmm_size, struct lustre_handle *fh,
- struct ptlrpc_request **);
+int mdc_fid_alloc(const struct lu_env *env, struct obd_export *exp,
+ struct lu_fid *fid, struct md_op_data *op_data);
+int mdc_setup(struct obd_device *obd, struct lustre_cfg *cfg);
struct obd_client_handle;
int mdc_free_lustre_md(struct obd_export *exp, struct lustre_md *md);
int mdc_set_open_replay_data(struct obd_export *exp,
- struct obd_client_handle *och,
- struct ptlrpc_request *open_req);
+ struct obd_client_handle *och,
+ struct lookup_intent *it);
int mdc_clear_open_replay_data(struct obd_export *exp,
struct obd_client_handle *och);
void mdc_replay_open(struct ptlrpc_request *req);
int mdc_create(struct obd_export *exp, struct md_op_data *op_data,
- const void *data, int datalen, int mode, __u32 uid, __u32 gid,
- cfs_cap_t capability, __u64 rdev,
- struct ptlrpc_request **request);
+ const void *data, size_t datalen,
+ umode_t mode, uid_t uid, gid_t gid,
+ cfs_cap_t capability, __u64 rdev,
+ struct ptlrpc_request **request);
int mdc_link(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request);
int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
- const char *old, int oldlen, const char *new, int newlen,
- struct ptlrpc_request **request);
+ const char *old, size_t oldlen, const char *new, size_t newlen,
+ struct ptlrpc_request **request);
int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data,
- void *ea, int ealen, void *ea2, int ea2len,
- struct ptlrpc_request **request, struct md_open_data **mod);
+ void *ea, size_t ealen, struct ptlrpc_request **request);
int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
- struct ptlrpc_request **request);
+ struct ptlrpc_request **request);
+int mdc_file_resync(struct obd_export *exp, struct md_op_data *data);
int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
- ldlm_policy_data_t *policy, ldlm_mode_t mode,
- int flags, void *opaque);
+ union ldlm_policy_data *policy, enum ldlm_mode mode,
+ enum ldlm_cancel_flags flags, void *opaque);
-static inline void mdc_set_capa_size(struct ptlrpc_request *req,
- const struct req_msg_field *field,
- struct obd_capa *oc)
+int mdc_revalidate_lock(struct obd_export *exp, struct lookup_intent *it,
+ struct lu_fid *fid, __u64 *bits);
+
+int mdc_intent_getattr_async(struct obd_export *exp,
+ struct md_enqueue_info *minfo);
+
+enum ldlm_mode mdc_lock_match(struct obd_export *exp, __u64 flags,
+ const struct lu_fid *fid, enum ldlm_type type,
+ union ldlm_policy_data *policy,
+ enum ldlm_mode mode, struct lustre_handle *lockh);
+
+
+int mdc_changelog_cdev_init(struct obd_device *obd);
+
+void mdc_changelog_cdev_finish(struct obd_device *obd);
+
+static inline int mdc_prep_elc_req(struct obd_export *exp,
+ struct ptlrpc_request *req, int opc,
+ struct list_head *cancels, int count)
{
- if (oc == NULL)
- req_capsule_set_size(&req->rq_pill, field, RCL_CLIENT, 0);
- else
- /* it is already calculated as sizeof struct obd_capa */
- ;
+ return ldlm_prep_elc_req(exp, req, LUSTRE_MDS_VERSION, opc, 0, cancels,
+ count);
}
-int mdc_revalidate_lock(struct obd_export *exp,
- struct lookup_intent *it,
- struct lu_fid *fid);
+static inline unsigned long hash_x_index(__u64 hash, int hash64)
+{
+ if (BITS_PER_LONG == 32 && hash64)
+ hash >>= 32;
+ /* save hash 0 with hash 1 */
+ return ~0UL - (hash + !hash);
+}
-int mdc_intent_getattr_async(struct obd_export *exp,
- struct md_enqueue_info *minfo,
- struct ldlm_enqueue_info *einfo);
+/* mdc_dev.c */
+extern struct lu_device_type mdc_device_type;
+int mdc_ldlm_blocking_ast(struct ldlm_lock *dlmlock,
+ struct ldlm_lock_desc *new, void *data, int flag);
+int mdc_ldlm_glimpse_ast(struct ldlm_lock *dlmlock, void *data);
+int mdc_fill_lvb(struct ptlrpc_request *req, struct ost_lvb *lvb);
+
+/* the minimum inline repsize should be PAGE_SIZE at least */
+#define MDC_DOM_DEF_INLINE_REPSIZE max(8192UL, PAGE_SIZE)
+#define MDC_DOM_MAX_INLINE_REPSIZE XATTR_SIZE_MAX
-ldlm_mode_t mdc_lock_match(struct obd_export *exp, int flags,
- const struct lu_fid *fid, ldlm_type_t type,
- ldlm_policy_data_t *policy, ldlm_mode_t mode,
- struct lustre_handle *lockh);
#endif