*
* 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 (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef _MDT_INTERNAL_H
#define _MDT_INTERNAL_H
-
-#include <libcfs/lucache.h>
-#include <lustre_net.h>
+#include <libcfs/libcfs.h>
+#include <libcfs/libcfs_hash.h>
+#include <upcall_cache.h>
#include <lustre/lustre_idl.h>
#include <obd_class.h>
#include <lustre_disk.h>
#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 */
*/
#define CDT_DEFAULT_POLICY CDT_NORETRY_ACTION
+/* Coordinator states. Keep the cdt_transition table in sync. */
enum cdt_states { CDT_STOPPED = 0,
CDT_INIT,
CDT_RUNNING,
CDT_DISABLE,
- CDT_STOPPING };
+ CDT_STOPPING,
+
+ CDT_STATES_COUNT
+};
+
+static inline char *cdt_mdt_state2str(int state)
+{
+ switch (state) {
+ case CDT_INIT:
+ return "init";
+ case CDT_RUNNING:
+ return "enabled";
+ case CDT_STOPPING:
+ return "stopping";
+ case CDT_STOPPED:
+ return "stopped";
+ case CDT_DISABLE:
+ return "disabled";
+ default:
+ return "unknown";
+ }
+}
/* when multiple lock are needed, the lock order is
* cdt_llog_lock
* cdt_request_lock
*/
struct coordinator {
- struct ptlrpc_thread cdt_thread; /**< coordinator thread */
+ wait_queue_head_t cdt_waitq; /**< cdt wait queue */
+ bool cdt_event; /**< coordinator event */
+ struct task_struct *cdt_task; /**< cdt thread handle */
struct lu_env cdt_env; /**< coordinator lustre
* env */
struct lu_context cdt_session; /** session for lu_ucred */
struct proc_dir_entry *cdt_proc_dir; /**< cdt /proc directory */
__u64 cdt_policy; /**< policy flags */
enum cdt_states cdt_state; /**< state */
+ spinlock_t cdt_state_lock; /**< cdt_state lock */
atomic_t cdt_compound_id; /**< compound id
* counter */
__u64 cdt_last_cookie; /**< last cookie
* allocated */
- struct mutex cdt_llog_lock; /**< protect llog
+ struct rw_semaphore cdt_llog_lock; /**< protect llog
* access */
struct rw_semaphore cdt_agent_lock; /**< protect agent list */
struct rw_semaphore cdt_request_lock; /**< protect request
* requests */
atomic_t cdt_request_count; /**< current count of
* started requests */
- struct list_head cdt_requests; /**< list of started
- * requests */
+ /* started requests (struct cdt_agent_req:car_cookie_hash)
+ * indexed by cookie */
+ struct cfs_hash *cdt_request_cookie_hash;
+ /* started requests (struct cdt_agent_req:car_request_list) */
+ struct list_head cdt_request_list;
struct list_head cdt_agents; /**< list of register
* agents */
struct list_head cdt_restore_hdl; /**< list of restore lock
* handles */
+
+ /* Hash of cookies to locations of record locations in agent
+ * request log. */
+ struct cfs_hash *cdt_agent_record_hash;
+
/* Bitmasks indexed by the HSMA_XXX constants. */
__u64 cdt_user_request_mask;
__u64 cdt_group_request_mask;
__u64 cdt_other_request_mask;
+
+ /* Remove archive on last unlink policy */
+ bool cdt_remove_archive_on_last_unlink;
};
/* mdt state flag bits */
unsigned int mo_user_xattr:1,
mo_acl:1,
mo_cos:1,
- mo_coordinator:1;
+ mo_evict_tgt_nids:1;
} mdt_opts;
/* mdt state flags */
unsigned long mdt_state;
- /* lock to protect IOepoch */
- spinlock_t mdt_ioepoch_lock;
- __u64 mdt_ioepoch;
/* transaction callbacks */
struct dt_txn_callback mdt_txn_cb;
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,
- mdt_som_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;
+
+ /* lock for osfs and md_root */
+ spinlock_t mdt_lock;
+
/* statfs optimization: we cache a bit */
struct obd_statfs mdt_osfs;
__u64 mdt_osfs_age;
- spinlock_t mdt_osfs_lock;
/* root squash */
struct root_squash_info mdt_squash;
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;
+
+ struct mdt_object *mdt_md_root;
};
#define MDT_SERVICE_WATCHDOG_FACTOR (2)
struct mdt_object {
struct lu_object_header mot_header;
struct lu_object mot_obj;
- __u64 mot_ioepoch;
- __u64 mot_flags;
- int mot_ioepoch_count;
- int mot_writecount;
- /* Lock to protect object's IO epoch. */
- struct mutex mot_ioepoch_mutex;
+ unsigned int mot_lov_created:1, /* lov object created */
+ mot_cache_attr:1; /* enable remote object
+ * attribute cache */
+ int mot_write_count;
+ spinlock_t mot_write_lock;
/* Lock to protect create_data */
struct mutex mot_lov_mutex;
/* Lock to protect lease open.
atomic_t mot_open_count;
};
-enum mdt_object_flags {
- /** SOM attributes are changed. */
- MOF_SOM_CHANGE = (1 << 0),
- /**
- * The SOM recovery state for mdt object.
- * This state is an in-memory equivalent of an absent SOM EA, used
- * instead of invalidating SOM EA while IOEpoch is still opened when
- * a client eviction occurs or a client fails to obtain SOM attributes.
- * It indicates that the last IOEpoch holder will need to obtain SOM
- * attributes under [0;EOF] extent lock to flush all the client's
- * cached of evicted from MDS clients (but not necessary evicted from
- * OST) before taking ost attributes.
- */
- MOF_SOM_RECOV = (1 << 1),
- /** File has been just created. */
- MOF_SOM_CREATED = (1 << 2),
- /** lov object has been created. */
- MOF_LOV_CREATED = (1 << 3),
-};
-
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 {
const struct ldlm_request *mti_dlm_req;
__u32 mti_has_trans:1, /* has txn already? */
- mti_cross_ref:1;
+ mti_cross_ref:1,
+ /* big_lmm buffer was used and must be used in reply */
+ mti_big_lmm_used:1,
+ mti_big_acl_used:1;
/* opdata for mdt_reint_open(), has the same as
* ldlm_reply:lock_policy_res1. mdt_update_last_rcvd() stores this
* 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;
/* for mdt_sendpage() */
struct l_wait_info mti_wait_info;
} rdpg;
- struct {
- struct md_attr attr;
- struct md_som_data data;
- } som;
+ struct {
+ struct md_attr attr;
+ } hsm;
} mti_u;
- /* IO epoch related stuff. */
- struct mdt_ioepoch *mti_ioepoch;
- __u64 mti_replayepoch;
-
+ struct lustre_handle mti_close_handle;
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;
+ void *mti_big_acl;
int mti_big_lmmsize;
- /* big_lmm buffer was used and must be used in reply */
- int mti_big_lmm_used;
+ int mti_big_aclsize;
/* 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;
};
struct cdt_agent_req {
+ struct hlist_node car_cookie_hash; /**< find req by cookie */
struct list_head car_request_list; /**< to chain all the req. */
atomic_t car_refcount; /**< reference counter */
__u64 car_compound_id; /**< compound id */
static inline void mdt_export_evict(struct obd_export *exp)
{
class_fail_export(exp);
- class_export_put(exp);
}
/* Here we use LVB_TYPE to check dne client, because it is
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,
+ __u64 trybits, bool cos_incompat);
-void mdt_object_unlock(struct mdt_thread_info *,
- struct mdt_object *,
- struct mdt_lock_handle *,
- int decref);
+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 *,
+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 cache);
enum mdt_name_flags {
MNF_FIX_ANON = 1,
enum mdt_name_flags flags);
int mdt_close_unpack(struct mdt_thread_info *info);
int mdt_reint_unpack(struct mdt_thread_info *info, __u32 op);
+void mdt_fix_lov_magic(struct mdt_thread_info *info, void *eadata);
int mdt_reint_rec(struct mdt_thread_info *, struct mdt_lock_handle *);
+#ifdef CONFIG_FS_POSIX_ACL
+int mdt_pack_acl2body(struct mdt_thread_info *info, struct mdt_body *repbody,
+ struct mdt_object *o, struct lu_nodemap *nodemap);
+#endif
void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b,
const struct lu_attr *attr, const struct lu_fid *fid);
const struct lustre_handle *handle,
bool is_replay);
-enum {
- MDT_IOEPOCH_CLOSED = 0,
- MDT_IOEPOCH_OPENED = 1,
- MDT_IOEPOCH_GETATTR = 2,
-};
-
-enum {
- MDT_SOM_DISABLE = 0,
- MDT_SOM_ENABLE = 1,
-};
-
int mdt_get_info(struct tgt_session_info *tsi);
int mdt_attr_get_complex(struct mdt_thread_info *info,
struct mdt_object *o, struct md_attr *ma);
const char *name);
int mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o,
struct md_attr *ma, const char *name);
-int mdt_ioepoch_open(struct mdt_thread_info *info, struct mdt_object *o,
- int created);
-int mdt_object_is_som_enabled(struct mdt_object *mo);
int mdt_write_get(struct mdt_object *o);
void mdt_write_put(struct mdt_object *o);
int mdt_write_read(struct mdt_object *o);
int mdt_close(struct tgt_session_info *tsi);
int mdt_add_dirty_flag(struct mdt_thread_info *info, struct mdt_object *mo,
struct md_attr *ma);
-int mdt_done_writing(struct tgt_session_info *tsi);
int mdt_fix_reply(struct mdt_thread_info *info);
int mdt_handle_last_unlink(struct mdt_thread_info *, struct mdt_object *,
- const struct md_attr *);
+ struct md_attr *);
void mdt_reconstruct_open(struct mdt_thread_info *, struct mdt_lock_handle *);
struct lu_buf *mdt_buf(const struct lu_env *env, void *area, ssize_t len);
void mdt_dump_lmm(int level, const struct lov_mds_md *lmm, __u64 valid);
void mdt_dump_lmv(unsigned int level, const union lmv_mds_md *lmv);
+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);
-/* mdt_idmap.c */
-int mdt_init_idmap(struct tgt_session_info *tsi);
-void mdt_cleanup_idmap(struct mdt_export_data *);
-int mdt_handle_idmap(struct tgt_session_info *tsi);
-int ptlrpc_user_desc_do_idmap(struct ptlrpc_request *,
- struct ptlrpc_user_desc *);
-void mdt_body_reverse_idmap(struct mdt_thread_info *,
- struct mdt_body *);
-int mdt_remote_perm_reverse_idmap(struct ptlrpc_request *,
- struct mdt_remote_perm *);
-int mdt_fix_attr_ucred(struct mdt_thread_info *, __u32);
+int mdt_close_internal(struct mdt_thread_info *info, struct ptlrpc_request *req,
+ struct mdt_body *repbody);
static inline struct mdt_device *mdt_dev(struct lu_device *d)
{
return lu2dt(lo);
}
+static inline bool agent_req_in_final_state(enum agent_req_status ars)
+{
+ return ((ars == ARS_SUCCEED) || (ars == ARS_FAILED) ||
+ (ars == ARS_CANCELED));
+}
+
/* mdt/mdt_identity.c */
#define MDT_IDENTITY_UPCALL_PATH "/usr/sbin/l_getidentity"
void mdt_flush_identity(struct upcall_cache *, int);
-__u32 mdt_identity_get_perm(struct md_identity *, __u32, lnet_nid_t);
+__u32 mdt_identity_get_perm(struct md_identity *, lnet_nid_t);
-int mdt_pack_remote_perm(struct mdt_thread_info *, struct mdt_object *, void *);
+/* mdt/mdt_recovery.c */
+__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);
void dump_llog_agent_req_rec(const char *prefix,
const struct llog_agent_req_rec *larr);
int cdt_llog_process(const struct lu_env *env, struct mdt_device *mdt,
- llog_cb_t cb, void *data);
+ llog_cb_t cb, void *data, u32 start_cat_idx,
+ u32 start_rec_idx, int rw);
int mdt_agent_record_add(const struct lu_env *env, struct mdt_device *mdt,
__u64 compound_id, __u32 archive_id,
__u64 flags, struct hsm_action_item *hai);
int mdt_agent_record_update(const struct lu_env *env,
struct mdt_device *mdt, __u64 *cookies,
int cookies_count, enum agent_req_status status);
-int mdt_agent_llog_update_rec(const struct lu_env *env, struct mdt_device *mdt,
- struct llog_handle *llh,
- struct llog_agent_req_rec *larr);
+void cdt_agent_record_hash_add(struct coordinator *cdt, u64 cookie, u32 cat_idt,
+ u32 rec_idx);
+void cdt_agent_record_hash_lookup(struct coordinator *cdt, u64 cookie,
+ u32 *cat_idt, u32 *rec_idx);
+void cdt_agent_record_hash_del(struct coordinator *cdt, u64 cookie);
/* mdt/mdt_hsm_cdt_agent.c */
extern const struct file_operations mdt_hsm_agent_fops;
struct hsm_progress_kernel *pgs);
/* mdt/mdt_hsm_cdt_client.c */
int mdt_hsm_add_actions(struct mdt_thread_info *info,
- struct hsm_action_list *hal, __u64 *compound_id);
-int mdt_hsm_get_actions(struct mdt_thread_info *mti,
struct hsm_action_list *hal);
-int mdt_hsm_get_running(struct mdt_thread_info *mti,
+int mdt_hsm_get_actions(struct mdt_thread_info *mti,
struct hsm_action_list *hal);
bool mdt_hsm_restore_is_running(struct mdt_thread_info *mti,
const struct lu_fid *fid);
/* mdt/mdt_hsm_cdt_requests.c */
+extern struct cfs_hash_ops cdt_request_cookie_hash_ops;
+extern struct cfs_hash_ops cdt_agent_record_hash_ops;
extern const struct file_operations mdt_hsm_active_requests_fops;
void dump_requests(char *prefix, struct coordinator *cdt);
struct cdt_agent_req *mdt_cdt_alloc_request(__u64 compound_id, __u32 archive_id,
struct hsm_action_item *hai);
void mdt_cdt_free_request(struct cdt_agent_req *car);
int mdt_cdt_add_request(struct coordinator *cdt, struct cdt_agent_req *new_car);
-struct cdt_agent_req *mdt_cdt_find_request(struct coordinator *cdt,
- const __u64 cookie,
- const struct lu_fid *fid);
+struct cdt_agent_req *mdt_cdt_find_request(struct coordinator *cdt, u64 cookie);
void mdt_cdt_get_work_done(struct cdt_agent_req *car, __u64 *done_sz);
void mdt_cdt_get_request(struct cdt_agent_req *car);
void mdt_cdt_put_request(struct cdt_agent_req *car);
/* mdt/mdt_coordinator.c */
void mdt_hsm_dump_hal(int level, const char *prefix,
struct hsm_action_list *hal);
+struct cdt_restore_handle *mdt_hsm_restore_hdl_find(struct coordinator *cdt,
+ const struct lu_fid *fid);
/* coordinator management */
int mdt_hsm_cdt_init(struct mdt_device *mdt);
-int mdt_hsm_cdt_start(struct mdt_device *mdt);
int mdt_hsm_cdt_stop(struct mdt_device *mdt);
int mdt_hsm_cdt_fini(struct mdt_device *mdt);
-int mdt_hsm_cdt_wakeup(struct mdt_device *mdt);
+
+/*
+ * Signal the coordinator has work to do
+ * \param cdt [IN] coordinator
+ */
+static inline void mdt_hsm_cdt_event(struct coordinator *cdt)
+{
+ cdt->cdt_event = true;
+}
/* 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 lprocfs_seq_vars *hsm_cdt_get_proc_vars(void);
+struct lprocfs_vars *hsm_cdt_get_proc_vars(void);
/* md_hsm helpers */
struct mdt_object *mdt_hsm_get_md_hsm(struct mdt_thread_info *mti,
const struct lu_fid *fid,
int mdt_hsm_add_hal(struct mdt_thread_info *mti,
struct hsm_action_list *hal, struct obd_uuid *uuid);
bool mdt_hsm_is_action_compat(const struct hsm_action_item *hai,
- const int hal_an, const __u64 rq_flags,
+ u32 archive_id, u64 rq_flags,
const struct md_hsm *hsm);
int mdt_hsm_update_request_state(struct mdt_thread_info *mti,
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*/
static inline int mdt_fail_write(const struct lu_env *env,
struct dt_device *dd, int id)
{
- if (OBD_FAIL_CHECK_ORSET(id, OBD_FAIL_ONCE)) {
- CERROR(LUSTRE_MDT_NAME": cfs_fail_loc=%x, fail write ops\n",
- id);
- return dd->dd_ops->dt_ro(env, dd);
- /* We set FAIL_ONCE because we never "un-fail" a device */
- }
-
- return 0;
+ if (OBD_FAIL_CHECK_ORSET(id, OBD_FAIL_ONCE)) {
+ CERROR(LUSTRE_MDT_NAME": cfs_fail_loc=%x, fail write ops\n",
+ id);
+ return dt_ro(env, dd);
+ /* We set FAIL_ONCE because we never "un-fail" a device */
+ }
+
+ return 0;
}
static inline struct mdt_export_data *mdt_req2med(struct ptlrpc_request *req)
return mdt_dev(exp->exp_obd->obd_lu_dev);
}
+static inline bool mdt_rdonly(struct obd_export *exp)
+{
+ if (exp_connect_flags(exp) & OBD_CONNECT_RDONLY ||
+ mdt_exp2dev(exp)->mdt_bottom->dd_rdonly)
+ return true;
+ return false;
+}
+
typedef void (*mdt_reconstruct_t)(struct mdt_thread_info *mti,
struct mdt_lock_handle *lhc);
static inline int mdt_check_resent(struct mdt_thread_info *info,
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, enum ldlm_mode mode)
+{
+ ldlm_lock_decref(lh, mode);
}
-static inline void mdt_fid_unlock(struct lustre_handle *lh,
- ldlm_mode_t mode)
+static inline bool mdt_slc_is_enabled(struct mdt_device *mdt)
{
- ldlm_lock_decref(lh, mode);
+ 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[];
+
+/* LCK_MINMODE which is zero returns false for is_power_of_2 */
-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(mode == LCK_MINMODE || is_power_of_2(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(mode == MDL_MINMODE || is_power_of_2(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;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff