*
* 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, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef _MDT_INTERNAL_H
#define _MDT_INTERNAL_H
-
+#include <libcfs/libcfs.h>
+#include <libcfs/libcfs_hash.h>
#include <upcall_cache.h>
-#include <lustre_net.h>
-#include <lustre/lustre_idl.h>
#include <obd_class.h>
#include <lustre_disk.h>
#include <lu_target.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 */
struct mdt_file_data {
/** portals handle must be first */
- struct portals_handle mfd_handle;
+ struct portals_handle mfd_open_handle;
+ /* export data of portals_handle */
+ const struct mdt_export_data *mfd_owner;
/** open mode provided by client */
- __u64 mfd_mode;
+ u64 mfd_open_flags;
/** protected by med_open_lock */
struct list_head mfd_list;
/** xid of the open request */
__u64 mfd_xid;
/** old handle in replay case */
- struct lustre_handle mfd_old_handle;
+ struct lustre_handle mfd_open_handle_old;
/** point to opened object */
struct mdt_object *mfd_object;
};
*/
#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 */
+ struct dentry *cdt_debugfs_dir; /**< cdt debugfs directory */
+ struct completion cdt_kobj_unregister;
+ struct kobject cdt_hsm_kobj; /* hsm sysfs object */
__u64 cdt_policy; /**< policy flags */
enum cdt_states cdt_state; /**< state */
- atomic_t cdt_compound_id; /**< compound id
- * counter */
+ struct mutex cdt_state_lock; /**< cdt_state lock */
__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
* list */
struct mutex cdt_restore_lock; /**< protect restore
* list */
- cfs_time_t cdt_loop_period; /**< llog scan period */
- cfs_time_t cdt_grace_delay; /**< request grace
+ time_t cdt_loop_period; /**< llog scan period */
+ time_t cdt_grace_delay; /**< request grace
* delay */
- cfs_time_t cdt_active_req_timeout; /**< request timeout */
+ time_t cdt_active_req_timeout; /**< request timeout */
__u32 cdt_default_archive_id; /**< archive id used
* when none are
* specified */
- __u64 cdt_max_requests; /**< max count of started
- * requests */
- atomic_t cdt_request_count; /**< current count of
- * started requests */
- struct list_head cdt_requests; /**< list of started
+ u64 cdt_max_requests; /**< max count of started
* requests */
+ /** Current count of active requests */
+ atomic_t cdt_request_count; /** total */
+ atomic_t cdt_archive_count;
+ atomic_t cdt_restore_count;
+ atomic_t cdt_remove_count;
+
+ /* 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 */
+ struct list_head cdt_restore_handle_list;
+
+ /* 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;
+
+ bool cdt_wakeup_coordinator;
};
/* mdt state flag bits */
#define MDT_FL_CFGLOG 0
#define MDT_FL_SYNCED 1
+/* possible values for mo_dom_lock */
+enum {
+ NO_DOM_LOCK_ON_OPEN = 0,
+ TRYLOCK_DOM_ON_OPEN = 1,
+ ALWAYS_DOM_LOCK_ON_OPEN = 2,
+ NUM_DOM_LOCK_ON_OPEN_MODES
+};
+
+struct mdt_statfs_cache {
+ struct obd_statfs msf_osfs;
+ __u64 msf_age;
+};
+
struct mdt_device {
/* super-class */
struct lu_device mdt_lu_dev;
struct md_device *mdt_child;
struct dt_device *mdt_bottom;
struct obd_export *mdt_bottom_exp;
+ struct local_oid_storage *mdt_los;
/** target device */
struct lu_target mdt_lut;
/*
unsigned int mo_user_xattr:1,
mo_acl:1,
mo_cos:1,
- mo_coordinator:1;
+ mo_evict_tgt_nids:1,
+ mo_dom_read_open:1,
+ mo_migrate_hsm_allowed:1;
+ unsigned int mo_dom_lock;
} mdt_opts;
/* mdt state flags */
unsigned long mdt_state;
int mdt_max_ea_size;
+ /* preferred BRW size, decided by storage type and capability */
+ __u32 mdt_brw_size;
+
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_enable_striped_dir:1,
+ mdt_enable_dir_migration:1,
+ mdt_enable_remote_rename:1,
+ mdt_skip_lfsck:1,
+ mdt_readonly:1;
+
+ /* user with gid can create remote/striped
+ * dir, and set default dir stripe */
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;
+ struct mdt_statfs_cache mdt_sum_osfs;
+ struct mdt_statfs_cache mdt_osfs;
/* 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)
#define MDT_COS_DEFAULT (0)
-enum mdt_object_flags {
- /** lov object has been created. */
- MOF_LOV_CREATED = 1 << 0,
-};
+#define ENOENT_VERSION 1 /** 'virtual' version of non-existent object */
struct mdt_object {
struct lu_object_header mot_header;
struct lu_object mot_obj;
- enum mdt_object_flags mot_flags;
+ 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 object's SOM update. */
+ struct mutex mot_som_mutex;
/* Lock to protect create_data */
struct mutex mot_lov_mutex;
+ /* lock to protect read/write stages for Data-on-MDT files */
+ struct rw_semaphore mot_dom_sem;
/* Lock to protect lease open.
* Lease open acquires write lock; normal open acquires read lock */
struct rw_semaphore mot_open_sem;
};
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 {
#define MDT_EREMOTE_OPEN (EREMOTE + 1024)
struct mdt_reint_record {
- mdt_reint_t rr_opcode;
- const struct lustre_handle *rr_handle;
+ enum mds_reint_op rr_opcode;
+ const struct lustre_handle *rr_open_handle;
+ const struct lustre_handle *rr_lease_handle;
const struct lu_fid *rr_fid1;
const struct lu_fid *rr_fid2;
struct lu_name rr_name;
void *rr_eadata;
int rr_eadatalen;
__u32 rr_flags;
+ __u16 rr_mirror_id;
};
enum mdt_reint_flag {
* reduce stack consumption.
*/
struct mdt_thread_info {
- /*
- * XXX: Part One:
- * The following members will be filled explicitly
- * with specific data in mdt_thread_info_init().
- */
- /* TODO: move this into mdt_session_key(with LCT_SESSION), because
- * request handling may migrate from one server thread to another.
- */
- struct req_capsule *mti_pill;
-
- /* although we have export in req, there are cases when it is not
- * available, e.g. closing files upon export destroy */
- struct obd_export *mti_exp;
- /*
- * A couple of lock handles.
- */
- struct mdt_lock_handle mti_lh[MDT_LH_NR];
-
- struct mdt_device *mti_mdt;
- const struct lu_env *mti_env;
-
- /* transaction number of current request */
- __u64 mti_transno;
-
-
- /*
- * XXX: Part Two:
- * The following members will be filled expilictly
- * with zero in mdt_thread_info_init(). These members may be used
- * by all requests.
- */
-
- /*
- * Object attributes.
- */
- struct md_attr mti_attr;
- /*
- * Body for "habeo corpus" operations.
- */
- const struct mdt_body *mti_body;
- /*
- * Host object. This is released at the end of mdt_handler().
- */
- struct mdt_object *mti_object;
- /*
- * Lock request for "habeo clavis" operations.
- */
- const struct ldlm_request *mti_dlm_req;
-
- __u32 mti_has_trans:1, /* has txn already? */
- mti_cross_ref:1;
-
- /* opdata for mdt_reint_open(), has the same as
- * ldlm_reply:lock_policy_res1. mdt_update_last_rcvd() stores this
- * value onto disk for recovery when mdt_trans_stop_cb() is called.
- */
- __u64 mti_opdata;
-
- /*
- * XXX: Part Three:
- * The following members will be filled explicitly
- * with zero in mdt_reint_unpack(), because they are only used
- * by reint requests (including mdt_reint_open()).
- */
-
- /*
- * reint record. contains information for reint operations.
- */
- struct mdt_reint_record mti_rr;
-
- __u64 mti_ver[PTLRPC_NUM_VERSIONS];
- /*
- * Operation specification (currently create and lookup)
- */
- struct md_op_spec mti_spec;
-
- /*
- * XXX: Part Four:
- * The following members will _NOT_ be initialized at all.
- * DO NOT expect them to contain any valid value.
- * 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() */
- struct {
- /* for mdt_readpage() */
- struct lu_rdpg mti_rdpg;
- /* for mdt_sendpage() */
- struct l_wait_info mti_wait_info;
- } rdpg;
+ /*
+ * XXX: Part One:
+ * The following members will be filled explicitly
+ * with specific data in mdt_thread_info_init().
+ */
+ /* TODO: move this into mdt_session_key(with LCT_SESSION), because
+ * request handling may migrate from one server thread to another.
+ */
+ struct req_capsule *mti_pill;
+
+ /* although we have export in req, there are cases when it is not
+ * available, e.g. closing files upon export destroy */
+ struct obd_export *mti_exp;
+ /*
+ * A couple of lock handles.
+ */
+ struct mdt_lock_handle mti_lh[MDT_LH_NR];
+
+ struct mdt_device *mti_mdt;
+ const struct lu_env *mti_env;
+
+ /* transaction number of current request */
+ __u64 mti_transno;
+
+ /*
+ * XXX: Part Two:
+ * The following members will be filled expilictly
+ * with zero in mdt_thread_info_init(). These members may be used
+ * by all requests.
+ */
+
+ /*
+ * Object attributes.
+ */
+ struct md_attr mti_attr;
+ struct md_attr mti_attr2; /* mdt_lvb.c */
+ /*
+ * Body for "habeo corpus" operations.
+ */
+ const struct mdt_body *mti_body;
+ /*
+ * Host object. This is released at the end of mdt_handler().
+ */
+ struct mdt_object *mti_object;
+ /*
+ * Lock request for "habeo clavis" operations.
+ */
+ const struct ldlm_request *mti_dlm_req;
+
+ __u32 mti_has_trans:1, /* has txn already? */
+ 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,
+ mti_som_valid:1;
+
+ /* opdata for mdt_reint_open(), has the same as
+ * ldlm_reply:lock_policy_res1. mdt_update_last_rcvd() stores this
+ * value onto disk for recovery when mdt_trans_stop_cb() is called.
+ */
+ __u64 mti_opdata;
+
+ /*
+ * XXX: Part Three:
+ * The following members will be filled explicitly
+ * with zero in mdt_reint_unpack(), because they are only used
+ * by reint requests (including mdt_reint_open()).
+ */
+
+ /*
+ * reint record. contains information for reint operations.
+ */
+ struct mdt_reint_record mti_rr;
+
+ __u64 mti_ver[PTLRPC_NUM_VERSIONS];
+ /*
+ * Operation specification (currently create and lookup)
+ */
+ struct md_op_spec mti_spec;
+
+ /*
+ * XXX: Part Four:
+ * The following members will _NOT_ be initialized at all.
+ * DO NOT expect them to contain any valid value.
+ * 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;
+ 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;
+ } rdpg;
struct {
struct md_attr attr;
} hsm;
- } mti_u;
-
- 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 */
+ struct {
+ struct md_attr attr;
+ } som;
+ } mti_u;
+
+ struct lustre_handle mti_open_handle;
+ loff_t mti_off;
+ struct lu_buf mti_buf;
+ struct lu_buf mti_big_buf;
+
+ /* Ops object filename */
+ struct lu_name mti_name;
+ char mti_filename[NAME_MAX + 1];
+ /* 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 ldlm_enqueue_info mti_einfo[2];
+ /* einfo used by mdt_remote_object_lock_try() */
+ struct ldlm_enqueue_info mti_remote_einfo;
+ struct tg_reply_data *mti_reply_data;
+
+ /* FLR: layout change API */
+ struct md_layout_change mti_layout;
};
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 */
__u64 car_flags; /**< request original flags */
struct obd_uuid car_uuid; /**< agent doing the req. */
__u32 car_archive_id; /**< archive id */
int car_canceled; /**< request was canceled */
- cfs_time_t car_req_start; /**< start time */
- cfs_time_t car_req_update; /**< last update time */
+ time64_t car_req_start; /**< start time */
+ time64_t car_req_update; /**< last update time */
struct hsm_action_item *car_hai; /**< req. to the agent */
struct cdt_req_progress car_progress; /**< track data mvt
* progress */
};
extern struct kmem_cache *mdt_hsm_cdt_kmem; /** restore handle slab cache */
+struct hsm_record_update {
+ __u64 cookie;
+ enum agent_req_status status;
+};
+
static inline const struct md_device_operations *
mdt_child_ops(struct mdt_device * m)
{
return exp_connect_flags(exp) & OBD_CONNECT_DIR_STRIPE;
}
+enum {
+ LMM_NO_DOM,
+ LMM_DOM_ONLY,
+ LMM_DOM_OST
+};
+
+/* XXX Look into layout in MDT layer. This must be done in LOD. */
+static inline int mdt_lmm_dom_entry(struct lov_mds_md *lmm)
+{
+ struct lov_comp_md_v1 *comp_v1;
+ struct lov_mds_md *v1;
+ __u32 off;
+ bool has_dom = true;
+ int i;
+
+ if (le32_to_cpu(lmm->lmm_magic) != LOV_MAGIC_COMP_V1)
+ return LMM_NO_DOM;
+
+ comp_v1 = (struct lov_comp_md_v1 *)lmm;
+ off = le32_to_cpu(comp_v1->lcm_entries[0].lcme_offset);
+ v1 = (struct lov_mds_md *)((char *)comp_v1 + off);
+
+ /* DoM entry is the first entry always */
+ if (lov_pattern(le32_to_cpu(v1->lmm_pattern)) != LOV_PATTERN_MDT &&
+ le16_to_cpu(comp_v1->lcm_mirror_count) == 0)
+ return LMM_NO_DOM;
+
+ for (i = 0; i < le16_to_cpu(comp_v1->lcm_entry_count); i++) {
+ int j;
+
+ off = le32_to_cpu(comp_v1->lcm_entries[i].lcme_offset);
+ v1 = (struct lov_mds_md *)((char *)comp_v1 + off);
+
+ if (lov_pattern(le32_to_cpu(v1->lmm_pattern)) ==
+ LOV_PATTERN_MDT)
+ has_dom = true;
+
+ for (j = 0; j < le16_to_cpu(v1->lmm_stripe_count); j++) {
+ /* if there is any object on OST */
+ if (le32_to_cpu(v1->lmm_objects[j].l_ost_idx) !=
+ (__u32)-1UL)
+ return LMM_DOM_OST;
+ }
+ }
+ return has_dom ? LMM_DOM_ONLY : LMM_NO_DOM;
+}
+
+static inline bool mdt_lmm_is_flr(struct lov_mds_md *lmm)
+{
+ struct lov_comp_md_v1 *lcm = (typeof(lcm))lmm;
+
+ return le32_to_cpu(lmm->lmm_magic) == LOV_MAGIC_COMP_V1 &&
+ le16_to_cpu(lcm->lcm_mirror_count) > 0;
+}
+
+static inline bool lmm_is_overstriping(struct lov_mds_md *lmm)
+{
+ if (le32_to_cpu(lmm->lmm_magic) == LOV_MAGIC_V1 ||
+ le32_to_cpu(lmm->lmm_magic) == LOV_MAGIC_V3)
+ return le16_to_cpu(lmm->lmm_pattern) & LOV_PATTERN_OVERSTRIPING;
+
+ return false;
+}
+
+static inline bool mdt_lmm_comp_overstriping(struct lov_mds_md *lmm)
+{
+ struct lov_comp_md_v1 *comp_v1;
+ struct lov_mds_md *v1;
+ __u32 off;
+ int i;
+
+ comp_v1 = (struct lov_comp_md_v1 *)lmm;
+
+ for (i = 1; i < le16_to_cpu(comp_v1->lcm_entry_count); i++) {
+ off = le32_to_cpu(comp_v1->lcm_entries[i].lcme_offset);
+ v1 = (struct lov_mds_md *)((char *)comp_v1 + off);
+
+ if (lmm_is_overstriping(v1))
+ return true;
+ }
+
+ return false;
+}
+
+static inline bool mdt_lmm_is_overstriping(struct lov_mds_md *lmm)
+{
+ if (le32_to_cpu(lmm->lmm_magic) == LOV_MAGIC_COMP_V1)
+ return mdt_lmm_comp_overstriping(lmm);
+
+ return lmm_is_overstriping(lmm);
+}
+
+static inline bool mdt_is_sum_statfs_client(struct obd_export *exp)
+{
+ return exp_connect_flags(exp) & OBD_CONNECT_FLAGS2 &&
+ exp_connect_flags2(exp) & OBD_CONNECT2_SUM_STATFS;
+}
+
__u64 mdt_get_disposition(struct ldlm_reply *rep, __u64 op_flag);
void mdt_set_disposition(struct mdt_thread_info *info,
struct ldlm_reply *rep, __u64 op_flag);
void mdt_clear_disposition(struct mdt_thread_info *info,
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 *mo,
struct mdt_lock_handle *lh);
struct mdt_lock_handle *lhc);
int mdt_object_lock(struct mdt_thread_info *info, struct mdt_object *mo,
- struct mdt_lock_handle *lh, __u64 ibits, int locality);
+ 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 *info, struct mdt_object *mo,
- struct mdt_lock_handle *lh, __u64 ibits, int locality);
+ struct mdt_lock_handle *lh, __u64 *ibits,
+ __u64 trybits, bool cos_incompat);
void mdt_object_unlock(struct mdt_thread_info *info, struct mdt_object *mo,
struct mdt_lock_handle *lh, int decref);
+void mdt_save_lock(struct mdt_thread_info *info, struct lustre_handle *h,
+ enum ldlm_mode mode, int decref);
struct mdt_object *mdt_object_new(const struct lu_env *env,
struct mdt_device *,
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);
+int mdt_reint_striped_lock(struct mdt_thread_info *info,
+ struct mdt_object *o,
+ struct mdt_lock_handle *lh,
+ __u64 ibits,
+ struct ldlm_enqueue_info *einfo,
+ bool cos_incompat);
+void mdt_reint_striped_unlock(struct mdt_thread_info *info,
+ struct mdt_object *o,
+ struct mdt_lock_handle *lh,
+ struct ldlm_enqueue_info *einfo, int decref);
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 lu_attr *attr, const struct lu_fid *fid);
+int mdt_pack_size2body(struct mdt_thread_info *info,
+ const struct lu_fid *fid, struct lustre_handle *lh);
int mdt_getxattr(struct mdt_thread_info *info);
int mdt_reint_setxattr(struct mdt_thread_info *info,
struct mdt_lock_handle *lh);
void *client_nid);
int mdt_lock_new_child(struct mdt_thread_info *info,
- struct mdt_object *o,
- struct mdt_lock_handle *child_lockh);
-
-void mdt_mfd_set_mode(struct mdt_file_data *mfd,
- __u64 mode);
-
-int mdt_reint_open(struct mdt_thread_info *info,
- struct mdt_lock_handle *lhc);
-
-struct mdt_file_data *mdt_handle2mfd(struct mdt_export_data *med,
- const struct lustre_handle *handle,
- bool is_replay);
+ struct mdt_object *o,
+ struct mdt_lock_handle *child_lockh);
+void mdt_mfd_set_mode(struct mdt_file_data *mfd, u64 open_flags);
+int mdt_reint_open(struct mdt_thread_info *info, struct mdt_lock_handle *lhc);
+struct mdt_file_data *mdt_open_handle2mfd(struct mdt_export_data *med,
+ const struct lustre_handle *open_handle,
+ bool is_replay);
+int mdt_revoke_remote_lookup_lock(struct mdt_thread_info *info,
+ struct mdt_object *pobj,
+ struct mdt_object *obj);
int mdt_get_info(struct tgt_session_info *tsi);
int mdt_attr_get_complex(struct mdt_thread_info *info,
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_attr_get_pfid(struct mdt_thread_info *info, struct mdt_object *o,
+ struct lu_fid *pfid);
int mdt_write_get(struct mdt_object *o);
void mdt_write_put(struct mdt_object *o);
int mdt_write_read(struct mdt_object *o);
struct md_attr *ma);
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 *);
+int mdt_layout_change(struct mdt_thread_info *info, struct mdt_object *obj,
+ struct md_layout_change *spec);
+int mdt_device_sync(const struct lu_env *env, struct mdt_device *mdt);
struct lu_buf *mdt_buf(const struct lu_env *env, void *area, ssize_t len);
const struct lu_buf *mdt_buf_const(const struct lu_env *env,
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);
struct mdt_thread_info *mti);
void mdt_thread_info_fini(struct mdt_thread_info *mti);
struct mdt_thread_info *tsi2mdt_info(struct tgt_session_info *tsi);
-
+void mdt_intent_fixup_resent(struct mdt_thread_info *info,
+ struct ldlm_lock *new_lock,
+ struct mdt_lock_handle *lh, __u64 flags);
+int mdt_intent_lock_replace(struct mdt_thread_info *info,
+ struct ldlm_lock **lockp,
+ struct mdt_lock_handle *lh,
+ __u64 flags, int result);
+
+int hsm_init_ucred(struct lu_ucred *uc);
int mdt_hsm_attr_set(struct mdt_thread_info *info, struct mdt_object *obj,
const struct md_hsm *mh);
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);
+void mdt_pack_secctx_in_reply(struct mdt_thread_info *info,
+ struct mdt_object *child);
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);
-
-int mdt_pack_remote_perm(struct mdt_thread_info *, struct mdt_object *, void *);
+__u32 mdt_identity_get_perm(struct md_identity *, lnet_nid_t);
/* 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);
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);
+ __u32 archive_id, __u64 flags,
+ struct hsm_action_item *hai);
+int mdt_agent_record_update(const struct lu_env *env, struct mdt_device *mdt,
+ struct hsm_record_update *updates,
+ unsigned int updates_count);
+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 obd_uuid *uuid);
int mdt_hsm_agent_send(struct mdt_thread_info *mti, struct hsm_action_list *hal,
bool purge);
-int mdt_hsm_coordinator_update(struct mdt_thread_info *mti,
- 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,
struct hsm_action_list *hal);
+int mdt_hsm_get_action(struct mdt_thread_info *mti,
+ const struct lu_fid *fid,
+ enum hsm_copytool_action *action,
+ enum agent_req_status *status,
+ struct hsm_extent *extent);
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,
- __u64 flags, struct obd_uuid *uuid,
+struct cdt_agent_req *mdt_cdt_alloc_request(__u32 archive_id, __u64 flags,
+ struct obd_uuid *uuid,
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);
+int cdt_restore_handle_add(struct mdt_thread_info *mti, struct coordinator *cdt,
+ const struct lu_fid *fid,
+ const struct hsm_extent *he);
+struct cdt_restore_handle *cdt_restore_handle_find(struct coordinator *cdt,
+ const struct lu_fid *fid);
+void cdt_restore_handle_del(struct mdt_thread_info *mti,
+ 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);
-
-/* coordinator control /proc interface */
-ssize_t mdt_hsm_cdt_control_seq_write(struct file *file, const char *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_vars *hsm_cdt_get_proc_vars(void);
+
+/*
+ * 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 sysfs interface */
+ssize_t hsm_control_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ssize_t hsm_control_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count);
+int hsm_cdt_tunables_init(struct mdt_device *mdt);
+void hsm_cdt_tunables_fini(struct mdt_device *mdt);
/* 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);
+ struct hsm_progress_kernel *pgs);
+
+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;
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)
+{
+ return (exp_connect_flags(exp) & OBD_CONNECT_RDONLY ||
+ mdt_exp2dev(exp)->mdt_bottom->dd_rdonly ||
+ mdt_exp2dev(exp)->mdt_readonly);
+}
+
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);
int mdt_blocking_ast(struct ldlm_lock*, struct ldlm_lock_desc*, void*, int);
+static int mdt_dom_glimpse_ast(struct ldlm_lock *lock, void *reqp)
+{
+ return -ELDLM_NO_LOCK_DATA;
+}
+
/* 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,
+static inline int mdt_fid_lock(const struct lu_env *env,
+ struct ldlm_namespace *ns,
+ 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;
-
- LASSERT(ns != NULL);
- LASSERT(lh != NULL);
+ int rc;
+ bool glimpse = policy->l_inodebits.bits & MDS_INODELOCK_DOM;
+
+ LASSERT(ns != NULL);
+ LASSERT(lh != NULL);
+
+ rc = ldlm_cli_enqueue_local(env, ns, res_id, LDLM_IBITS, policy,
+ mode, &flags, mdt_blocking_ast,
+ ldlm_completion_ast,
+ glimpse ? mdt_dom_glimpse_ast : NULL,
+ NULL, 0, LVB_T_NONE, client_cookie, lh);
+ return rc == ELDLM_OK ? 0 : -EIO;
+}
- 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;
+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_som.c */
+int mdt_set_som(struct mdt_thread_info *info, struct mdt_object *obj,
+ enum lustre_som_flags flag, __u64 size, __u64 blocks);
+int mdt_get_som(struct mdt_thread_info *info, struct mdt_object *obj,
+ struct md_attr *ma);
+int mdt_lsom_downgrade(struct mdt_thread_info *info, struct mdt_object *obj);
+int mdt_lsom_update(struct mdt_thread_info *info, struct mdt_object *obj,
+ bool truncate);
+
/* mdt_lvb.c */
extern struct ldlm_valblock_ops mdt_lvbo;
+int mdt_dom_lvb_is_valid(struct ldlm_resource *res);
+int mdt_dom_lvbo_update(struct ldlm_resource *res, struct ldlm_lock *lock,
+ struct ptlrpc_request *req, bool increase_only);
-void mdt_enable_cos(struct mdt_device *, int);
+void mdt_enable_cos(struct mdt_device *dev, bool enable);
int mdt_cos_is_enabled(struct mdt_device *);
/* lprocfs stuff */
-enum {
- LPROC_MDT_OPEN = 0,
+enum mdt_stat_idx {
+ LPROC_MDT_OPEN,
LPROC_MDT_CLOSE,
LPROC_MDT_MKNOD,
LPROC_MDT_LINK,
LPROC_MDT_SETXATTR,
LPROC_MDT_STATFS,
LPROC_MDT_SYNC,
- LPROC_MDT_SAMEDIR_RENAME,
- LPROC_MDT_CROSSDIR_RENAME,
- LPROC_MDT_LAST,
+ LPROC_MDT_SAMEDIR_RENAME,
+ LPROC_MDT_CROSSDIR_RENAME,
+ LPROC_MDT_IO_READ,
+ LPROC_MDT_IO_WRITE,
+ LPROC_MDT_IO_PUNCH,
+ LPROC_MDT_LAST,
};
+
void mdt_counter_incr(struct ptlrpc_request *req, int opcode);
void mdt_stats_counter_init(struct lprocfs_stats *stats);
-int mdt_procfs_init(struct mdt_device *mdt, const char *name);
-void mdt_procfs_fini(struct mdt_device *mdt);
+int mdt_tunables_init(struct mdt_device *mdt, const char *name);
+void mdt_tunables_fini(struct mdt_device *mdt);
/* lustre/mdt_mdt_lproc.c */
int lprocfs_mdt_open_files_seq_open(struct inode *inode,
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;
return jobid;
}
+/* MDT IO */
+
+#define VALID_FLAGS (LA_TYPE | LA_MODE | LA_SIZE | LA_BLOCKS | \
+ LA_BLKSIZE | LA_ATIME | LA_MTIME | LA_CTIME)
+
+int mdt_obd_preprw(const struct lu_env *env, int cmd, struct obd_export *exp,
+ struct obdo *oa, int objcount, struct obd_ioobj *obj,
+ struct niobuf_remote *rnb, int *nr_local,
+ struct niobuf_local *lnb);
+
+int mdt_obd_commitrw(const struct lu_env *env, int cmd, struct obd_export *exp,
+ struct obdo *oa, int objcount, struct obd_ioobj *obj,
+ struct niobuf_remote *rnb, int npages,
+ struct niobuf_local *lnb, int old_rc);
+int mdt_punch_hdl(struct tgt_session_info *tsi);
+int mdt_glimpse_enqueue(struct mdt_thread_info *mti, struct ldlm_namespace *ns,
+ struct ldlm_lock **lockp, __u64 flags);
+int mdt_brw_enqueue(struct mdt_thread_info *info, struct ldlm_namespace *ns,
+ struct ldlm_lock **lockp, __u64 flags);
+int mdt_dom_read_on_open(struct mdt_thread_info *mti, struct mdt_device *mdt,
+ struct lustre_handle *lh);
+void mdt_dom_discard_data(struct mdt_thread_info *info, struct mdt_object *mo);
+int mdt_dom_disk_lvbo_update(const struct lu_env *env, struct mdt_object *mo,
+ struct ldlm_resource *res, bool increase_only);
+void mdt_dom_obj_lvb_update(const struct lu_env *env, struct mdt_object *mo,
+ bool increase_only);
+int mdt_dom_lvb_alloc(struct ldlm_resource *res);
+
+static inline bool mdt_dom_check_for_discard(struct mdt_thread_info *mti,
+ struct mdt_object *mo)
+{
+ return lu_object_is_dying(&mo->mot_header) &&
+ S_ISREG(lu_object_attr(&mo->mot_obj));
+}
+
+int mdt_dom_object_size(const struct lu_env *env, struct mdt_device *mdt,
+ const struct lu_fid *fid, struct mdt_body *mb,
+ bool dom_lock);
+bool mdt_dom_client_has_lock(struct mdt_thread_info *info,
+ const struct lu_fid *fid);
+void mdt_hp_brw(struct tgt_session_info *tsi);
+void mdt_hp_punch(struct tgt_session_info *tsi);
+int mdt_data_version_get(struct tgt_session_info *tsi);
+
+/* grants */
+long mdt_grant_connect(const struct lu_env *env, struct obd_export *exp,
+ u64 want, bool conservative);
+extern struct kmem_cache *ldlm_glimpse_work_kmem;
+
#endif /* _MDT_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff