* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <lustre_quota.h>
#include <lustre_linkea.h>
-/* check if request's xid is equal to last one or not*/
-static inline int req_xid_is_last(struct ptlrpc_request *req)
-{
- struct lsd_client_data *lcd = req->rq_export->exp_target_data.ted_lcd;
- return (req->rq_xid == lcd->lcd_last_xid ||
- req->rq_xid == lcd->lcd_last_close_xid);
-}
-
struct mdt_object;
/* file data for open files on MDS */
unsigned int mo_user_xattr:1,
mo_acl:1,
mo_cos:1,
+ mo_evict_tgt_nids:1,
mo_coordinator:1;
} mdt_opts;
/* mdt state flags */
struct upcall_cache *mdt_identity_cache;
- /* capability keys */
- unsigned long mdt_capa_timeout;
- __u32 mdt_capa_alg;
- struct dt_object *mdt_ck_obj;
- unsigned long mdt_ck_timeout;
- unsigned long mdt_ck_expiry;
- struct timer_list mdt_ck_timer;
- struct ptlrpc_thread mdt_ck_thread;
- struct lustre_capa_key mdt_capa_keys[2];
unsigned int mdt_capa_conf:1,
/* Enable remote dir on non-MDT0 */
- mdt_enable_remote_dir:1;
+ mdt_enable_remote_dir:1,
+ mdt_skip_lfsck:1;
gid_t mdt_enable_remote_dir_gid;
/* statfs optimization: we cache a bit */
struct lu_device *mdt_qmt_dev;
struct coordinator mdt_coordinator;
+
+ /* inter-MDT connection count */
+ atomic_t mdt_mds_mds_conns;
+
+ /* MDT device async commit count, used for debug and sanity test */
+ atomic_t mdt_async_commit_count;
};
#define MDT_SERVICE_WATCHDOG_FACTOR (2)
};
struct mdt_lock_handle {
- /* Lock type, reg for cross-ref use or pdo lock. */
- mdl_type_t mlh_type;
+ /* Lock type, reg for cross-ref use or pdo lock. */
+ mdl_type_t mlh_type;
- /* Regular lock */
- struct lustre_handle mlh_reg_lh;
- ldlm_mode_t mlh_reg_mode;
+ /* Regular lock */
+ struct lustre_handle mlh_reg_lh;
+ enum ldlm_mode mlh_reg_mode;
- /* Pdirops lock */
- struct lustre_handle mlh_pdo_lh;
- ldlm_mode_t mlh_pdo_mode;
- unsigned int mlh_pdo_hash;
+ /* Pdirops lock */
+ struct lustre_handle mlh_pdo_lh;
+ enum ldlm_mode mlh_pdo_mode;
+ unsigned int mlh_pdo_hash;
/* Remote regular lock */
- struct lustre_handle mlh_rreg_lh;
- ldlm_mode_t mlh_rreg_mode;
+ struct lustre_handle mlh_rreg_lh;
+ enum ldlm_mode mlh_rreg_mode;
};
enum {
* They should be initialized explicitly by the user themselves.
*/
- /* XXX: If something is in a union, make sure they do not conflict */
-
- struct lu_fid mti_tmp_fid1;
- struct lu_fid mti_tmp_fid2;
- ldlm_policy_data_t mti_policy; /* for mdt_object_lock() and
- * mdt_rename_lock() */
- struct ldlm_res_id mti_res_id; /* for mdt_object_lock() and
- mdt_rename_lock() */
- union {
- struct obd_uuid uuid[2]; /* for mdt_seq_init_cli() */
- char ns_name[48]; /* for mdt_init0() */
- struct lustre_cfg_bufs bufs; /* for mdt_stack_fini() */
- struct obd_statfs osfs; /* for mdt_statfs() */
+ /* XXX: If something is in a union, make sure they do not conflict */
+ struct lu_fid mti_tmp_fid1;
+ struct lu_fid mti_tmp_fid2;
+ union ldlm_policy_data mti_policy; /* for mdt_object_lock() */
+ struct ldlm_res_id mti_res_id; /* and mdt_rename_lock() */
+ union {
+ struct obd_uuid uuid[2]; /* for mdt_seq_init_cli() */
+ char ns_name[48];/* for mdt_init0() */
+ struct lustre_cfg_bufs bufs; /* for mdt_stack_fini() */
+ struct obd_statfs osfs; /* for mdt_statfs() */
struct {
/* for mdt_readpage() */
struct lu_rdpg mti_rdpg;
loff_t mti_off;
struct lu_buf mti_buf;
struct lu_buf mti_big_buf;
- struct lustre_capa_key mti_capa_key;
/* Ops object filename */
struct lu_name mti_name;
- /* per-thread values, can be re-used */
+ /* per-thread values, can be re-used, may be vmalloc'd */
void *mti_big_lmm;
int mti_big_lmmsize;
/* big_lmm buffer was used and must be used in reply */
/* should be enough to fit lustre_mdt_attrs */
char mti_xattr_buf[128];
struct ldlm_enqueue_info mti_einfo;
+ struct tg_reply_data *mti_reply_data;
};
extern struct lu_context_key mdt_thread_key;
return exp_connect_flags(exp) & OBD_CONNECT_DIR_STRIPE;
}
-int mdt_get_disposition(struct ldlm_reply *rep, int flag);
+__u64 mdt_get_disposition(struct ldlm_reply *rep, __u64 op_flag);
void mdt_set_disposition(struct mdt_thread_info *info,
- struct ldlm_reply *rep, int flag);
+ struct ldlm_reply *rep, __u64 op_flag);
void mdt_clear_disposition(struct mdt_thread_info *info,
- struct ldlm_reply *rep, int flag);
+ struct ldlm_reply *rep, __u64 op_flag);
-void mdt_lock_pdo_init(struct mdt_lock_handle *lh,
- ldlm_mode_t lock_mode,
+void mdt_lock_pdo_init(struct mdt_lock_handle *lh, enum ldlm_mode lock_mode,
const struct lu_name *lname);
-void mdt_lock_reg_init(struct mdt_lock_handle *lh,
- ldlm_mode_t lm);
+void mdt_lock_reg_init(struct mdt_lock_handle *lh, enum ldlm_mode lm);
-int mdt_lock_setup(struct mdt_thread_info *info,
- struct mdt_object *o,
- struct mdt_lock_handle *lh);
+int mdt_lock_setup(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct mdt_lock_handle *lh);
-int mdt_check_resent_lock(struct mdt_thread_info *info,
- struct mdt_object *mo,
+int mdt_check_resent_lock(struct mdt_thread_info *info, struct mdt_object *mo,
struct mdt_lock_handle *lhc);
-int mdt_object_lock(struct mdt_thread_info *,
- struct mdt_object *,
- struct mdt_lock_handle *,
- __u64, int);
+int mdt_object_lock(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct mdt_lock_handle *lh, __u64 ibits);
+
+int mdt_reint_object_lock(struct mdt_thread_info *info, struct mdt_object *o,
+ struct mdt_lock_handle *lh, __u64 ibits,
+ bool cos_incompat);
-int mdt_object_lock_try(struct mdt_thread_info *,
- struct mdt_object *,
- struct mdt_lock_handle *,
- __u64, int);
+int mdt_object_lock_try(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct mdt_lock_handle *lh, __u64 ibits);
-void mdt_object_unlock(struct mdt_thread_info *,
- struct mdt_object *,
- struct mdt_lock_handle *,
- int decref);
+int mdt_reint_object_lock_try(struct mdt_thread_info *info,
+ struct mdt_object *o, struct mdt_lock_handle *lh,
+ __u64 ibits, bool cos_incompat);
-struct mdt_object *mdt_object_new(const struct lu_env *,
+void mdt_object_unlock(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct mdt_lock_handle *lh, int decref);
+
+struct mdt_object *mdt_object_new(const struct lu_env *env,
struct mdt_device *,
const struct lu_fid *);
struct mdt_object *mdt_object_find(const struct lu_env *,
int mdt_remote_object_lock(struct mdt_thread_info *mti,
struct mdt_object *o, const struct lu_fid *fid,
struct lustre_handle *lh,
- ldlm_mode_t mode, __u64 ibits);
+ enum ldlm_mode mode, __u64 ibits, bool nonblock);
enum mdt_name_flags {
MNF_FIX_ANON = 1,
bool allow_client_chgrp(struct mdt_thread_info *info, struct lu_ucred *uc);
int mdt_check_ucred(struct mdt_thread_info *);
int mdt_init_ucred(struct mdt_thread_info *, struct mdt_body *);
+int mdt_init_ucred_intent_getattr(struct mdt_thread_info *, struct mdt_body *);
int mdt_init_ucred_reint(struct mdt_thread_info *);
void mdt_exit_ucred(struct mdt_thread_info *);
int mdt_version_get_check(struct mdt_thread_info *, struct mdt_object *, int);
int mdt_links_read(struct mdt_thread_info *info,
struct mdt_object *mdt_obj,
struct linkea_data *ldata);
+int mdt_close_internal(struct mdt_thread_info *info, struct ptlrpc_request *req,
+ struct mdt_body *repbody);
/* mdt_idmap.c */
int mdt_init_idmap(struct tgt_session_info *tsi);
void mdt_cleanup_idmap(struct mdt_export_data *);
int mdt_pack_remote_perm(struct mdt_thread_info *, struct mdt_object *, void *);
/* mdt/mdt_recovery.c */
-void mdt_req_from_lcd(struct ptlrpc_request *req, struct lsd_client_data *lcd);
+__u64 mdt_req_from_lrd(struct ptlrpc_request *req, struct tg_reply_data *trd);
/* mdt/mdt_hsm.c */
int mdt_hsm_state_get(struct tgt_session_info *tsi);
int mdt_hsm_cdt_wakeup(struct mdt_device *mdt);
/* coordinator control /proc interface */
-ssize_t mdt_hsm_cdt_control_seq_write(struct file *file, const char *buffer,
- size_t count, loff_t *off);
+ssize_t mdt_hsm_cdt_control_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off);
int mdt_hsm_cdt_control_seq_show(struct seq_file *m, void *data);
int hsm_cdt_procfs_init(struct mdt_device *mdt);
void hsm_cdt_procfs_fini(struct mdt_device *mdt);
struct hsm_progress_kernel *pgs,
const int update_record);
+int mdt_close_swap_layouts(struct mdt_thread_info *info,
+ struct mdt_object *o, struct md_attr *ma);
+
extern struct lu_context_key mdt_thread_key;
/* debug issues helper starts here*/
mdt_reconstruct_t reconstruct,
struct mdt_lock_handle *lhc)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- ENTRY;
-
- if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
- if (req_xid_is_last(req)) {
- reconstruct(info, lhc);
- RETURN(1);
- }
- DEBUG_REQ(D_HA, req, "no reply for RESENT req (have "LPD64")",
- req->rq_export->exp_target_data.ted_lcd->lcd_last_xid);
- }
- RETURN(0);
+ struct ptlrpc_request *req = mdt_info_req(info);
+ int rc = 0;
+ ENTRY;
+
+ if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
+ OBD_ALLOC_PTR(info->mti_reply_data);
+ if (info->mti_reply_data == NULL)
+ RETURN(-ENOMEM);
+
+ if (req_can_reconstruct(req, info->mti_reply_data)) {
+ reconstruct(info, lhc);
+ rc = 1;
+ } else {
+ DEBUG_REQ(D_HA, req,
+ "no reply data found for RESENT req");
+ rc = 0;
+ }
+ OBD_FREE_PTR(info->mti_reply_data);
+ info->mti_reply_data = NULL;
+ }
+ RETURN(rc);
}
struct lu_ucred *mdt_ucred(const struct mdt_thread_info *info);
/* Issues dlm lock on passed @ns, @f stores it lock handle into @lh. */
static inline int mdt_fid_lock(struct ldlm_namespace *ns,
- struct lustre_handle *lh,
- ldlm_mode_t mode,
- ldlm_policy_data_t *policy,
- const struct ldlm_res_id *res_id,
+ struct lustre_handle *lh, enum ldlm_mode mode,
+ union ldlm_policy_data *policy,
+ const struct ldlm_res_id *res_id,
__u64 flags, const __u64 *client_cookie)
{
- int rc;
+ int rc;
- LASSERT(ns != NULL);
- LASSERT(lh != NULL);
+ LASSERT(ns != NULL);
+ LASSERT(lh != NULL);
- rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, policy,
- mode, &flags, mdt_blocking_ast,
- ldlm_completion_ast, NULL, NULL, 0,
+ rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, policy,
+ mode, &flags, mdt_blocking_ast,
+ ldlm_completion_ast, NULL, NULL, 0,
LVB_T_NONE, client_cookie, lh);
- return rc == ELDLM_OK ? 0 : -EIO;
+ return rc == ELDLM_OK ? 0 : -EIO;
}
-static inline void mdt_fid_unlock(struct lustre_handle *lh,
- ldlm_mode_t mode)
+static inline void mdt_fid_unlock(struct lustre_handle *lh, enum ldlm_mode mode)
{
- ldlm_lock_decref(lh, mode);
+ ldlm_lock_decref(lh, mode);
+}
+
+static inline bool mdt_slc_is_enabled(struct mdt_device *mdt)
+{
+ return mdt->mdt_lut.lut_sync_lock_cancel == BLOCKING_SYNC_ON_CANCEL;
}
extern mdl_mode_t mdt_mdl_lock_modes[];
-extern ldlm_mode_t mdt_dlm_lock_modes[];
+extern enum ldlm_mode mdt_dlm_lock_modes[];
-static inline mdl_mode_t mdt_dlm_mode2mdl_mode(ldlm_mode_t mode)
+static inline mdl_mode_t mdt_dlm_mode2mdl_mode(enum ldlm_mode mode)
{
- LASSERT(IS_PO2(mode));
- return mdt_mdl_lock_modes[mode];
+ LASSERT(IS_PO2(mode));
+ return mdt_mdl_lock_modes[mode];
}
-static inline ldlm_mode_t mdt_mdl_mode2dlm_mode(mdl_mode_t mode)
+static inline enum ldlm_mode mdt_mdl_mode2dlm_mode(mdl_mode_t mode)
{
- LASSERT(IS_PO2(mode));
- return mdt_dlm_lock_modes[mode];
+ LASSERT(IS_PO2(mode));
+ return mdt_dlm_lock_modes[mode];
}
/* mdt_lvb.c */
struct ptlrpc_request *req,
struct mdt_object *src, struct mdt_object *tgt);
-/* Capability */
-int mdt_ck_thread_start(struct mdt_device *mdt);
-void mdt_ck_thread_stop(struct mdt_device *mdt);
-void mdt_ck_timer_callback(unsigned long castmeharder);
-int mdt_capa_keys_init(const struct lu_env *env, struct mdt_device *mdt);
-void mdt_set_capainfo(struct mdt_thread_info *info, int offset,
- const struct lu_fid *fid, struct lustre_capa *capa);
-void mdt_dump_capainfo(struct mdt_thread_info *info);
-
static inline struct obd_device *mdt2obd_dev(const struct mdt_device *mdt)
{
return mdt->mdt_lu_dev.ld_obd;
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