-/* -*- 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.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * This code is issued under the GNU General Public License.
- * See the file COPYING in this distribution
+ * 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.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
-#ifndef __OBD_H
-#define __OBD_H
+#ifndef __LINUX_OBD_H
+#define __LINUX_OBD_H
-#define IOC_OSC_TYPE 'h'
-#define IOC_OSC_MIN_NR 20
-#define IOC_OSC_SET_ACTIVE _IOWR(IOC_OSC_TYPE, 21, struct obd_device *)
-#define IOC_OSC_CTL_RECOVERY _IOWR(IOC_OSC_TYPE, 22, struct obd_device *)
-#define IOC_OSC_MAX_NR 50
+#ifndef __OBD_H
+#error Do not #include this file directly. #include <obd.h> instead
+#endif
-#define IOC_MDC_TYPE 'i'
-#define IOC_MDC_MIN_NR 20
-#define IOC_MDC_LOOKUP _IOWR(IOC_MDC_TYPE, 20, struct obd_device *)
-/* Moved to lustre_user.h
-#define IOC_MDC_GETSTRIPE _IOWR(IOC_MDC_TYPE, 21, struct lov_mds_md *) */
-#define IOC_MDC_MAX_NR 50
+#include <obd_support.h>
#ifdef __KERNEL__
# include <linux/fs.h>
# include <linux/list.h>
-# include <linux/sched.h> /* for struct task_struct, for current.h */
-# include <asm/current.h> /* for smp_lock.h */
-# include <linux/smp_lock.h>
+# include <linux/sched.h> /* for struct task_struct, for current.h */
# include <linux/proc_fs.h>
# include <linux/mount.h>
+# include <linux/lustre_intent.h>
#endif
-#define OBD_MDS_DEVICENAME "mds"
-#define OBD_MDT_DEVICENAME "mdt"
-#define OBD_MDC_DEVICENAME "mdc"
-#define OBD_LMV_DEVICENAME "lmv"
-#define OBD_LOV_DEVICENAME "lov"
-#define OBD_OST_DEVICENAME "ost"
-#define OBD_OSC_DEVICENAME "osc"
-
-#define OBD_LDLM_DEVICENAME "ldlm"
-#define OBD_CACHE_DEVICENAME "cobd"
-#define OBD_CMOBD_DEVICENAME "cmobd"
-#define OBD_CONF_DEVICENAME "confobd"
-
-#define OBD_SANOSC_DEVICENAME "sanosc"
-#define OBD_SANOST_DEVICENAME "sanost"
-
-#define OBD_ECHO_DEVICENAME "obdecho"
-#define OBD_ECHO_CLIENT_DEVICENAME "echo_client"
-
-#define OBD_FILTER_DEVICENAME "obdfilter"
-#define OBD_FILTER_SAN_DEVICENAME "sanobdfilter"
-
-#define OBD_MGMTCLI_DEVICENAME "mgmt_cli"
-#define OBD_PTLBD_SV_DEVICENAME "ptlbd_server"
-#define OBD_PTLBD_CL_DEVICENAME "ptlbd_client"
-
-#include <linux/lvfs.h>
-#include <linux/lustre_lib.h>
-#include <linux/lustre_idl.h>
-#include <linux/lustre_export.h>
-#include <linux/lustre_sec.h>
-
-/* this is really local to the OSC */
-struct loi_oap_pages {
- struct list_head lop_pending;
- int lop_num_pending;
- struct list_head lop_urgent;
- struct list_head lop_pending_group;
+struct ll_iattr {
+ struct iattr iattr;
+ unsigned int ia_attr_flags;
};
-struct lov_oinfo { /* per-stripe data structure */
- __u64 loi_id; /* object ID on the target OST */
- __u64 loi_gr; /* object group on the target OST */
- int loi_ost_idx; /* OST stripe index in lov_tgt_desc->tgts */
- int loi_ost_gen; /* generation of this loi_ost_idx */
+#ifdef __KERNEL__
+#define CLIENT_OBD_LIST_LOCK_DEBUG 1
+#endif
- /* used by the osc to keep track of what objects to build into rpcs */
- struct loi_oap_pages loi_read_lop;
- struct loi_oap_pages loi_write_lop;
- /* _cli_ is poorly named, it should be _ready_ */
- struct list_head loi_cli_item;
- struct list_head loi_write_item;
- struct list_head loi_read_item;
+typedef struct {
+ spinlock_t lock;
- unsigned loi_kms_valid:1;
- __u64 loi_kms; /* known minimum size */
- __u64 loi_rss; /* recently seen size */
- __u64 loi_mtime; /* recently seen mtime */
- __u64 loi_blocks; /* recently seen blocks */
-};
+#ifdef CLIENT_OBD_LIST_LOCK_DEBUG
+ unsigned long time;
+ struct task_struct *task;
+ const char *func;
+ int line;
+#endif
+} client_obd_lock_t;
-static inline void loi_init(struct lov_oinfo *loi)
+#ifdef CLIENT_OBD_LIST_LOCK_DEBUG
+static inline void __client_obd_list_lock(client_obd_lock_t *lock,
+ const char *func, int line)
{
- INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending);
- INIT_LIST_HEAD(&loi->loi_read_lop.lop_urgent);
- INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending_group);
- INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending);
- INIT_LIST_HEAD(&loi->loi_write_lop.lop_urgent);
- INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending_group);
- INIT_LIST_HEAD(&loi->loi_cli_item);
- INIT_LIST_HEAD(&loi->loi_write_item);
- INIT_LIST_HEAD(&loi->loi_read_item);
+ unsigned long cur = jiffies;
+ while (1) {
+ if (spin_trylock(&lock->lock)) {
+ LASSERT(lock->task == NULL);
+ lock->task = current;
+ lock->func = func;
+ lock->line = line;
+ lock->time = jiffies;
+ break;
+ }
+
+ if ((jiffies - cur > 5 * CFS_HZ) &&
+ (jiffies - lock->time > 5 * CFS_HZ)) {
+ struct task_struct *task = lock->task;
+
+ if (task == NULL)
+ continue;
+
+ LCONSOLE_WARN("%s:%d: lock %p was acquired"
+ " by <%s:%d:%s:%d> for %lu seconds.\n",
+ current->comm, current->pid,
+ lock, task->comm, task->pid,
+ lock->func, lock->line,
+ (jiffies - lock->time) / CFS_HZ);
+ LCONSOLE_WARN("====== for process holding the "
+ "lock =====\n");
+ libcfs_debug_dumpstack(task);
+ LCONSOLE_WARN("====== for current process =====\n");
+ libcfs_debug_dumpstack(NULL);
+ LCONSOLE_WARN("====== end =======\n");
+ cfs_pause(1000 * CFS_HZ);
+ }
+ cpu_relax();
+ }
}
-struct lov_stripe_md {
- /* Public members. */
- __u64 lsm_object_id; /* lov object id */
- __u64 lsm_object_gr; /* lov object id */
- __u64 lsm_maxbytes; /* maximum possible file size */
- unsigned long lsm_xfersize; /* optimal transfer size */
+#define client_obd_list_lock(lock) \
+ __client_obd_list_lock(lock, __FUNCTION__, __LINE__)
- /* LOV-private members start here -- only for use in lov/. */
- __u32 lsm_magic;
- __u32 lsm_stripe_size; /* size of the stripe */
- __u32 lsm_pattern; /* striping pattern (RAID0, RAID1) */
- unsigned lsm_stripe_count; /* number of objects being striped over */
- struct lov_oinfo lsm_oinfo[0];
-};
-
-static inline void dump_lsm(int level, struct lov_stripe_md *lsm)
+static inline void client_obd_list_unlock(client_obd_lock_t *lock)
{
- int i;
- CDEBUG(level, "objid "LPX64"/"LPU64", maxbytes "LPX64", magic 0x%08X, "
- "stripe_size %u, stripe_count %u\n",
- lsm->lsm_object_id, lsm->lsm_object_gr, lsm->lsm_maxbytes,
- lsm->lsm_magic, lsm->lsm_stripe_size, lsm->lsm_stripe_count);
- for (i = 0; i < lsm->lsm_stripe_count; i++)
- CDEBUG(level, "idx %u ostidx %u/%u object "LPU64"/"LPU64"\n",
- i, lsm->lsm_oinfo[i].loi_ost_idx,
- lsm->lsm_oinfo[i].loi_ost_gen,
- lsm->lsm_oinfo[i].loi_id, lsm->lsm_oinfo[i].loi_gr);
+ LASSERT(lock->task != NULL);
+ lock->task = NULL;
+ lock->time = jiffies;
+ spin_unlock(&lock->lock);
}
-struct obd_type {
- struct list_head typ_chain;
- struct obd_ops *typ_ops;
- struct md_ops *typ_md_ops;
- struct proc_dir_entry *typ_procroot;
- char *typ_name;
- int typ_refcnt;
-};
-
-struct brw_page {
- obd_off disk_offset; /* modulo PAGE_SIZE */
- obd_off page_offset; /* modulo PAGE_SIZE (obviously) */
- struct page *pg;
- int count;
- obd_flags flag;
-};
-
-enum async_flags {
- ASYNC_READY = 0x1, /* ap_make_ready will not be called before this
- page is added to an rpc */
- ASYNC_URGENT = 0x2,
- ASYNC_COUNT_STABLE = 0x4, /* ap_refresh_count will not be called
- to give the caller a chance to update
- or cancel the size of the io */
- ASYNC_GROUP_SYNC = 0x8, /* ap_completion will not be called, instead
- the page is accounted for in the
- obd_io_group given to
- obd_queue_group_io */
-};
-
-struct obd_async_page_ops {
- int (*ap_make_ready)(void *data, int cmd);
- int (*ap_refresh_count)(void *data, int cmd);
- void (*ap_fill_obdo)(void *data, int cmd, struct obdo *oa);
- void (*ap_completion)(void *data, int cmd, struct obdo *oa, int rc);
-};
-
-/* the `oig' is passed down from a caller of obd rw methods. the callee
- * records enough state such that the caller can sleep on the oig and
- * be woken when all the callees have finished their work */
-struct obd_io_group {
- spinlock_t oig_lock;
- atomic_t oig_refcount;
- int oig_pending;
- int oig_rc;
- struct list_head oig_occ_list;
- wait_queue_head_t oig_waitq;
-};
-
-/* the oig callback context lets the callee of obd rw methods register
- * for callbacks from the caller. */
-struct oig_callback_context {
- struct list_head occ_oig_item;
- /* called when the caller has received a signal while sleeping.
- * callees of this method are encouraged to abort their state
- * in the oig. This may be called multiple times. */
- void (*occ_interrupted)(struct oig_callback_context *occ);
- int interrupted;
-};
-
-/* if we find more consumers this could be generalized */
-#define OBD_HIST_MAX 32
-struct obd_histogram {
- spinlock_t oh_lock;
- unsigned long oh_buckets[OBD_HIST_MAX];
-};
-
-/* reports average service time with the help of lprocfs_status.c */
-struct obd_service_time {
- __u32 st_num;
- __u64 st_total_us;
-};
-
-struct ost_server_data;
-
-#define FILTER_SUBDIR_COUNT 32 /* set to zero for no subdirs */
-
-#define FILTER_GROUP_LLOG 1
-#define FILTER_GROUP_ECHO 2
-#define FILTER_GROUP_FIRST_MDS 3
-
-struct filter_subdirs {
- struct dentry *dentry[FILTER_SUBDIR_COUNT];
-};
-
-struct filter_group_llog {
- struct list_head list;
- int group;
- struct obd_llogs *llogs;
- struct obd_export *exp;
-};
-
-struct filter_obd {
- const char *fo_fstype;
- struct super_block *fo_sb;
- struct vfsmount *fo_vfsmnt;
- struct lvfs_obd_ctxt *fo_lvfs_ctxt;
-
- int fo_group_count;
- struct dentry *fo_dentry_O; /* the "O"bject directory dentry */
- struct dentry **fo_groups; /* dentries for each group dir */
- struct filter_subdirs *fo_subdirs; /* subdir array per group */
- __u64 *fo_last_objids; /* per-group last created objid */
- struct file **fo_last_objid_files;
- struct semaphore fo_init_lock; /* group initialization lock */
- int fo_committed_group;
-
- spinlock_t fo_objidlock; /* protect fo_lastobjid increment */
- spinlock_t fo_lastidlock; /* protect last_id increment */
- spinlock_t fo_translock; /* protect fsd_last_rcvd increment */
- struct file *fo_rcvd_filp;
- struct filter_server_data *fo_fsd;
- unsigned long *fo_last_rcvd_slots;
- __u64 fo_mount_count;
-
- unsigned long fo_destroys_in_progress;
- struct semaphore fo_create_locks[32];
-
- struct file_operations *fo_fop;
- struct inode_operations *fo_iop;
- struct address_space_operations *fo_aops;
-
- struct list_head fo_export_list;
- int fo_subdir_count;
-
- obd_size fo_tot_dirty; /* protected by obd_osfs_lock */
- obd_size fo_tot_granted; /* all values in bytes */
- obd_size fo_tot_pending;
-
- obd_size fo_readcache_max_filesize;
-
- struct obd_import *fo_mdc_imp;
- struct obd_uuid fo_mdc_uuid;
- struct lustre_handle fo_mdc_conn;
-
- struct semaphore fo_alloc_lock;
-
- struct obd_histogram fo_r_pages;
- struct obd_histogram fo_w_pages;
- struct obd_histogram fo_r_discont_pages;
- struct obd_histogram fo_w_discont_pages;
- struct obd_histogram fo_r_discont_blocks;
- struct obd_histogram fo_w_discont_blocks;
-
- struct list_head fo_llog_list;
- spinlock_t fo_llog_list_lock;
-
- /* which secure flavor from remote is denied */
- spinlock_t fo_denylist_lock;
- struct list_head fo_denylist;
-
- /* capability related */
- int fo_capa_stat;
- struct crypto_tfm *fo_capa_hmac;
- spinlock_t fo_capa_lock;
-
- struct list_head fo_capa_keys;
-};
-
-struct mds_server_data;
-
-#define OSC_MAX_RIF_DEFAULT 8
-#define OSC_MAX_RIF_MAX 64
-#define OSC_MAX_DIRTY_DEFAULT (4*OSC_MAX_RIF_DEFAULT*PTLRPC_MAX_BRW_SIZE>>20)
-#define OSC_MAX_DIRTY_MB_MAX 512 /* totally arbitrary */
-
-
-struct mdc_rpc_lock;
-struct client_obd {
- struct obd_import *cl_import;
- struct semaphore cl_sem;
- int cl_conn_count;
- /* max_mds_easize is purely a performance thing so we don't have to
- * call obd_size_wiremd() all the time. */
- int cl_max_mds_easize;
- int cl_max_mds_cookiesize;
- kdev_t cl_sandev;
-
- /* security flavors */
- __u32 cl_sec_flavor;
- unsigned long cl_sec_flags;
-
- //struct llog_canceld_ctxt *cl_llcd; /* it's included by obd_llog_ctxt */
- void *cl_llcd_offset;
-
- struct obd_device *cl_mgmtcli_obd;
-
- /* the grant values are protected by loi_list_lock below */
- long cl_dirty; /* all _dirty_ in bytes */
- long cl_dirty_max; /* allowed w/o rpc */
- long cl_avail_grant; /* bytes of credit for ost */
- long cl_lost_grant; /* lost credits (trunc) */
- struct list_head cl_cache_waiters; /* waiting for cache/grant */
-
- /* keep track of objects that have lois that contain pages which
- * have been queued for async brw. this lock also protects the
- * lists of osc_client_pages that hang off of the loi */
- spinlock_t cl_loi_list_lock;
- struct list_head cl_loi_ready_list;
- struct list_head cl_loi_write_list;
- struct list_head cl_loi_read_list;
- int cl_r_in_flight;
- int cl_w_in_flight;
- /* just a sum of the loi/lop pending numbers to be exported by /proc */
- int cl_pending_w_pages;
- int cl_pending_r_pages;
- int cl_max_pages_per_rpc;
- int cl_max_rpcs_in_flight;
- struct obd_histogram cl_read_rpc_hist;
- struct obd_histogram cl_write_rpc_hist;
- struct obd_histogram cl_read_page_hist;
- struct obd_histogram cl_write_page_hist;
- struct obd_service_time cl_read_stime;
- struct obd_service_time cl_write_stime;
- struct obd_service_time cl_enter_stime;
-
- struct mdc_rpc_lock *cl_rpc_lock;
- struct mdc_rpc_lock *cl_setattr_lock;
- struct mdc_rpc_lock *cl_close_lock;
- struct osc_creator cl_oscc;
- int cl_async:1;
-};
-
-/* Like a client, with some hangers-on. Keep mc_client_obd first so that we
- * can reuse the various client setup/connect functions. */
-struct mgmtcli_obd {
- struct client_obd mc_client_obd; /* nested */
- struct ptlrpc_thread *mc_ping_thread;
- struct obd_export *mc_ping_exp; /* XXX single-target */
- struct list_head mc_registered;
- void *mc_hammer;
-};
-
-#define mc_import mc_client_obd.cl_import
-
-struct mds_obd {
- struct ptlrpc_service *mds_service;
- struct ptlrpc_service *mds_setattr_service;
- struct ptlrpc_service *mds_readpage_service;
- struct ptlrpc_service *mds_close_service;
- struct super_block *mds_sb;
- struct vfsmount *mds_vfsmnt;
- struct dentry *mds_id_de;
- struct lvfs_obd_ctxt *mds_lvfs_ctxt;
- int mds_max_mdsize;
- int mds_max_cookiesize;
- struct file *mds_rcvd_filp;
- struct file *mds_fid_filp;
- struct file *mds_virtid_filp;
- spinlock_t mds_transno_lock;
- __u64 mds_last_transno;
- __u64 mds_mount_count;
- __u64 mds_io_epoch;
-
- __u64 mds_last_fid;
- __u64 mds_virtid_fid;
- spinlock_t mds_last_fid_lock;
-
- struct semaphore mds_epoch_sem;
- struct lustre_id mds_rootid;
- struct mds_server_data *mds_server_data;
- struct dentry *mds_pending_dir;
- struct dentry *mds_logs_dir;
- struct dentry *mds_objects_dir;
- struct llog_handle *mds_cfg_llh;
- char *mds_profile;
- struct obd_device *mds_dt_obd;
- struct obd_uuid mds_dt_uuid;
- struct obd_export *mds_dt_exp;
- int mds_has_dt_desc;
- struct lov_desc mds_dt_desc;
-
- spinlock_t mds_dt_lock;
- obd_id *mds_dt_objids;
- struct file *mds_dt_objid_filp;
- int mds_dt_objids_valid;
-
- unsigned long *mds_client_bitmap;
- struct semaphore mds_orphan_recovery_sem;
-
- int mds_num;
- int mds_config_version;
-
- char *mds_md_name;
- struct obd_device *mds_md_obd;
- struct obd_export *mds_md_exp;
- struct semaphore mds_md_sem;
- struct obd_uuid mds_md_uuid;
- int mds_md_connected;
-
- struct ptlrpc_service *mds_create_service;
- uid_t mds_squash_uid;
- gid_t mds_squash_gid;
- ptl_nid_t mds_nosquash_nid;
- atomic_t mds_real_clients;
- atomic_t mds_open_count;
- struct dentry *mds_id_dir;
- int mds_obd_type;
- struct dentry *mds_unnamed_dir; /* for mdt_obd_create only */
-
- /* security related */
- char *mds_mds_sec;
- char *mds_ost_sec;
-
- /* which secure flavor from remote to this mds is denied */
- spinlock_t mds_denylist_lock;
- struct list_head mds_denylist;
-
- /* fid->ino mapping related fields */
- spinlock_t mds_fidmap_lock;
- struct hlist_head *mds_fidmap_table;
- unsigned long mds_fidmap_size;
-
- /* cache fid extents stuff */
- spinlock_t mds_fidext_lock;
- __u64 mds_fidext_thumb;
- int mds_crypto_type;
-
- /* capability related */
- int mds_capa_stat; /* 1: on, 0: off */
- struct crypto_tfm *mds_capa_hmac;
- unsigned long mds_capa_timeout; /* sec */
-
- struct mds_capa_key mds_capa_keys[2]; /* red & black key */
- int mds_capa_key_idx; /* the red key index */
- struct file *mds_capa_keys_filp;
- unsigned long mds_capa_key_timeout; /* sec */
-};
-
-struct echo_obd {
- struct obdo eo_oa;
- spinlock_t eo_lock;
- __u64 eo_lastino;
- struct lustre_handle eo_nl_lock;
- atomic_t eo_prep;
-};
-
-/*
- * this struct does double-duty acting as either a client or
- * server instance .. maybe not wise.
- */
-struct ptlbd_obd {
- /* server's */
- struct ptlrpc_service *ptlbd_service;
- struct file *filp;
- /* client's */
- struct ptlrpc_client bd_client;
- struct obd_import *bd_import;
- struct obd_uuid bd_server_uuid;
- struct obd_export *bd_exp;
- int refcount; /* XXX sigh */
-};
-
-struct recovd_obd {
- spinlock_t recovd_lock;
- struct list_head recovd_managed_items; /* items managed */
- struct list_head recovd_troubled_items; /* items in recovery */
-
- wait_queue_head_t recovd_recovery_waitq;
- wait_queue_head_t recovd_ctl_waitq;
- wait_queue_head_t recovd_waitq;
- struct task_struct *recovd_thread;
- __u32 recovd_state;
-};
-
-struct ost_obd {
- spinlock_t ost_lock;
- struct ptlrpc_service *ost_service;
- struct ptlrpc_service *ost_create_service;
- struct ptlrpc_service *ost_destroy_service;
- struct obd_service_time ost_stimes[6];
-};
-
-struct echo_client_obd {
- struct obd_export *ec_exp; /* the local connection to osc/lov */
- spinlock_t ec_lock;
- struct list_head ec_objects;
- int ec_nstripes;
- __u64 ec_unique;
-};
-
-struct cache_obd {
- struct obd_export *master_exp; /* local connection to master obd */
- struct obd_export *cache_exp; /* local connection to cache obd */
- struct obd_export *cache_real_exp;
- struct obd_export *master_real_exp;
- struct obd_device *master;
- struct obd_device *cache;
- char *master_name;
- char *cache_name;
- int refcount;
- int cache_on;
- struct semaphore sem;
- struct lov_desc dt_desc; /* data lovdesc */
-};
-
-struct cm_obd {
- struct obd_export *cache_exp; /* local connection to cache obd */
- struct obd_export *master_exp;
- struct obd_device *cache_obd;
- struct obd_device *master_obd;
- int master_group;
- struct cmobd_write_service *write_srv;
- struct lov_desc master_desc; /* master device lovdesc */
-};
-
-struct conf_obd {
- struct super_block *cfobd_sb;
- struct vfsmount *cfobd_vfsmnt;
- struct dentry *cfobd_logs_dir;
- struct dentry *cfobd_objects_dir;
- struct dentry *cfobd_pending_dir;
- struct llog_handle *cfobd_cfg_llh;
- struct lvfs_obd_ctxt *cfobd_lvfs_ctxt;
-};
-
-struct lov_tgt_desc {
- struct obd_uuid uuid;
- __u32 ltd_gen;
- struct obd_export *ltd_exp;
- int active; /* is this target up for requests */
-};
-
-struct lov_obd {
- spinlock_t lov_lock;
- struct lov_desc desc;
- int bufsize;
- int refcount;
- int lo_catalog_loaded:1, async:1;
- struct semaphore lov_llog_sem;
- unsigned long lov_connect_flags;
- struct lov_tgt_desc *tgts;
-};
-
-struct lmv_tgt_desc {
- struct obd_uuid uuid;
- struct obd_export *ltd_exp;
- int active; /* is this target up for requests */
-};
-
-struct lmv_obd {
- int refcount;
- spinlock_t lmv_lock;
- struct lmv_desc desc;
- struct lmv_tgt_desc *tgts;
- struct obd_uuid cluuid;
- struct obd_export *exp;
-
- int tgts_size;
- int connected;
- int max_easize;
- int max_cookiesize;
- int server_timeout;
- int connect_flags;
- struct semaphore init_sem;
- struct obd_connect_data conn_data;
-};
-struct gks_crypto_key {
- char *key;
- int len;
-};
-struct gks_obd {
- struct ptlrpc_service *gks_service;
- struct crypto_tfm *gks_mac_tfm;
- struct crypto_tfm *gks_key_tfm;
- struct gks_crypto_key gks_key;
-};
-
-struct niobuf_local {
- __u64 offset;
- __u32 len;
- __u32 flags;
- struct page *page;
- struct dentry *dentry;
- int lnb_grant_used;
- int rc;
-};
-
-#define OBD_MODE_ASYNC (1 << 0)
-#define OBD_MODE_CROW (1 << 1)
-
-/* Don't conflict with on-wire flags OBD_BRW_WRITE, etc */
-#define N_LOCAL_TEMP_PAGE 0x10000000
-
-struct obd_trans_info {
- __u64 oti_transno;
- __u64 *oti_objid;
-
- /* only used on the server side for tracking acks. */
- struct oti_req_ack_lock {
- struct lustre_handle lock;
- __u32 mode;
- } oti_ack_locks[4];
- void *oti_handle;
- struct llog_cookie oti_onecookie;
- struct llog_cookie *oti_logcookies;
- int oti_numcookies;
- int oti_flags;
- /* save nid for security purposes like audit */
- __u64 oti_nid;
-};
-
-static inline void oti_alloc_cookies(struct obd_trans_info *oti,int num_cookies)
+#else /* ifdef CLIENT_OBD_LIST_LOCK_DEBUG */
+static inline void client_obd_list_lock(client_obd_lock_t *lock)
{
- if (!oti)
- return;
-
- if (num_cookies == 1)
- oti->oti_logcookies = &oti->oti_onecookie;
- else
- OBD_ALLOC(oti->oti_logcookies,
- num_cookies * sizeof(oti->oti_onecookie));
-
- oti->oti_numcookies = num_cookies;
+ spin_lock(&lock->lock);
}
-static inline void oti_free_cookies(struct obd_trans_info *oti)
+static inline void client_obd_list_unlock(client_obd_lock_t *lock)
{
- if (!oti || !oti->oti_logcookies)
- return;
-
- if (oti->oti_logcookies == &oti->oti_onecookie)
- LASSERT(oti->oti_numcookies == 1);
- else
- OBD_FREE(oti->oti_logcookies,
- oti->oti_numcookies * sizeof(oti->oti_onecookie));
- oti->oti_logcookies = NULL;
- oti->oti_numcookies = 0;
+ spin_unlock(&lock->lock);
}
-/* llog contexts */
-enum llog_ctxt_id {
- LLOG_CONFIG_ORIG_CTXT = 0,
- LLOG_CONFIG_REPL_CTXT = 1,
- LLOG_UNLINK_ORIG_CTXT = 2,
- LLOG_UNLINK_REPL_CTXT = 3,
- LLOG_SIZE_ORIG_CTXT = 4,
- LLOG_SIZE_REPL_CTXT = 5,
- LLOG_MD_ORIG_CTXT = 6,
- LLOG_MD_REPL_CTXT = 7,
- LLOG_RD1_ORIG_CTXT = 8,
- LLOG_RD1_REPL_CTXT = 9,
- LLOG_TEST_ORIG_CTXT = 10,
- LLOG_TEST_REPL_CTXT = 11,
- LLOG_REINT_ORIG_CTXT = 12,
- LLOG_AUDIT_ORIG_CTXT = 13,
- LLOG_MAX_CTXTS
-};
-
-struct obd_llogs {
- struct llog_ctxt *llog_ctxt[LLOG_MAX_CTXTS];
-};
-
-struct target_recovery_data {
- svc_handler_t trd_recovery_handler;
- pid_t trd_processing_task;
- struct completion trd_starting;
- struct completion trd_finishing;
-};
-
-/* corresponds to one of the obd's */
-struct obd_device {
- struct obd_type *obd_type;
-
- /* common and UUID name of this device */
- char *obd_name;
- struct obd_uuid obd_uuid;
-
- int obd_minor;
- unsigned int obd_attached:1, obd_set_up:1, obd_recovering:1,
- obd_abort_recovery:1, obd_replayable:1, obd_no_transno:1,
- obd_no_recov:1, obd_stopping:1;
- atomic_t obd_refcount;
- wait_queue_head_t obd_refcount_waitq;
- struct proc_dir_entry *obd_proc_entry;
- struct list_head obd_exports;
- int obd_num_exports;
- struct ldlm_namespace *obd_namespace;
- struct ptlrpc_client obd_ldlm_client; /* XXX OST/MDS only */
- /* a spinlock is OK for what we do now, may need a semaphore later */
- spinlock_t obd_dev_lock;
- __u64 obd_last_committed;
- struct fsfilt_operations *obd_fsops;
- spinlock_t obd_osfs_lock;
- struct obd_statfs obd_osfs;
- unsigned long obd_osfs_age;
- struct lvfs_run_ctxt obd_lvfs_ctxt;
- struct obd_llogs obd_llogs;
- struct llog_ctxt *obd_llog_ctxt[LLOG_MAX_CTXTS];
- struct obd_device *obd_observer;
- struct obd_export *obd_self_export;
-
- struct target_recovery_data obd_recovery_data;
- /* XXX encapsulate all this recovery data into target_recovery_data */
- int obd_max_recoverable_clients;
- int obd_connected_clients;
- int obd_recoverable_clients;
- spinlock_t obd_processing_task_lock;
- __u64 obd_next_recovery_transno;
- int obd_replayed_requests;
- int obd_replayed_locks;
- int obd_requests_queued_for_recovery;
- wait_queue_head_t obd_next_transno_waitq;
- struct list_head obd_uncommitted_replies;
- spinlock_t obd_uncommitted_replies_lock;
- struct timer_list obd_recovery_timer;
- time_t obd_recovery_start;
- time_t obd_recovery_end;
-
- atomic_t obd_req_replay_clients;
- atomic_t obd_lock_replay_clients;
-
- struct list_head obd_req_replay_queue;
- struct list_head obd_lock_replay_queue;
- struct list_head obd_final_req_queue;
- int obd_recovery_stage;
-
- union {
- struct filter_obd filter;
- struct mds_obd mds;
- struct client_obd cli;
- struct ost_obd ost;
- struct echo_client_obd echocli;
- struct echo_obd echo;
- struct recovd_obd recovd;
- struct lov_obd lov;
- struct cache_obd cobd;
- struct ptlbd_obd ptlbd;
- struct mgmtcli_obd mgmtcli;
- struct lmv_obd lmv;
- struct cm_obd cm;
- struct conf_obd conf;
- struct gks_obd gks;
- } u;
-
- /* fields used by LProcFS */
- unsigned int obd_cntr_base;
- struct lprocfs_stats *obd_stats;
- unsigned int md_cntr_base;
- struct lprocfs_stats *md_stats;
-
- struct proc_dir_entry *obd_svc_procroot;
- struct lprocfs_stats *obd_svc_stats;
-};
-
-#define OBD_OPT_FORCE (1 << 0)
-#define OBD_OPT_FAILOVER (1 << 1)
-#define OBD_OPT_REAL_CLIENT (1 << 2)
-#define OBD_OPT_MDS_CONNECTION (1 << 3)
-
-#define OBD_LLOG_FL_SENDNOW (1 << 0)
-#define OBD_LLOG_FL_CREATE (1 << 1)
-
-struct mdc_op_data;
-
-struct obd_ops {
- struct module *o_owner;
- int (*o_iocontrol)(unsigned int cmd, struct obd_export *exp, int len,
- void *karg, void *uarg);
- int (*o_get_info)(struct obd_export *, __u32 keylen, void *key,
- __u32 *vallen, void *val);
- int (*o_set_info)(struct obd_export *, __u32 keylen, void *key,
- __u32 vallen, void *val);
- int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
- int (*o_detach)(struct obd_device *dev);
- int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
- int (*o_precleanup)(struct obd_device *dev, int flags);
- int (*o_cleanup)(struct obd_device *dev, int flags);
- int (*o_process_config)(struct obd_device *dev, obd_count len,
- void *data);
- int (*o_postrecov)(struct obd_device *dev);
- int (*o_add_conn)(struct obd_import *imp, struct obd_uuid *uuid,
- int priority);
- int (*o_del_conn)(struct obd_import *imp, struct obd_uuid *uuid);
- int (*o_connect)(struct lustre_handle *conn, struct obd_device *src,
- struct obd_uuid *cluuid, struct obd_connect_data *data,
- unsigned long flags);
- int (*o_connect_post)(struct obd_export *exp, unsigned, unsigned long);
- int (*o_disconnect)(struct obd_export *exp, unsigned long flags);
-
- int (*o_statfs)(struct obd_device *obd, struct obd_statfs *osfs,
- unsigned long max_age);
- int (*o_packmd)(struct obd_export *exp, struct lov_mds_md **disk_tgt,
- struct lov_stripe_md *mem_src);
- int (*o_unpackmd)(struct obd_export *exp,struct lov_stripe_md **mem_tgt,
- struct lov_mds_md *disk_src, int disk_len);
- int (*o_revalidate_md)(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea,
- struct obd_trans_info *oti);
- int (*o_preallocate)(struct lustre_handle *, obd_count *req,
- obd_id *ids);
- int (*o_create)(struct obd_export *exp, struct obdo *oa,
- void *acl, int acl_size,
- struct lov_stripe_md **ea, struct obd_trans_info *oti);
- int (*o_destroy)(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, struct obd_trans_info *oti);
- int (*o_setattr)(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, struct obd_trans_info *oti);
- int (*o_getattr)(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea);
- int (*o_getattr_async)(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea,
- struct ptlrpc_request_set *set);
- int (*o_brw)(int rw, struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, obd_count oa_bufs,
- struct brw_page *pgarr, struct obd_trans_info *oti);
- int (*o_brw_async)(int rw, struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, obd_count oa_bufs,
- struct brw_page *pgarr, struct ptlrpc_request_set *,
- struct obd_trans_info *oti);
- int (*o_prep_async_page)(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi,
- struct page *page, obd_off offset,
- struct obd_async_page_ops *ops, void *data,
- void **res);
- int (*o_queue_async_io)(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, void *cookie,
- int cmd, obd_off off, int count,
- obd_flags brw_flags, obd_flags async_flags);
- int (*o_queue_group_io)(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi,
- struct obd_io_group *oig,
- void *cookie, int cmd, obd_off off, int count,
- obd_flags brw_flags, obd_flags async_flags);
- int (*o_trigger_group_io)(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi,
- struct obd_io_group *oig);
- int (*o_set_async_flags)(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, void *cookie,
- obd_flags async_flags);
- int (*o_teardown_async_page)(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, void *cookie);
- int (*o_adjust_kms)(struct obd_export *exp, struct lov_stripe_md *lsm,
- obd_off size, int shrink);
- int (*o_punch)(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, obd_size start,
- obd_size end, struct obd_trans_info *oti,
- struct lustre_capa *capa);
- int (*o_sync)(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, obd_size start, obd_size end);
- int (*o_migrate)(struct lustre_handle *conn, struct lov_stripe_md *dst,
- struct lov_stripe_md *src, obd_size start,
- obd_size end, struct obd_trans_info *oti);
- int (*o_copy)(struct lustre_handle *dstconn, struct lov_stripe_md *dst,
- struct lustre_handle *srconn, struct lov_stripe_md *src,
- obd_size start, obd_size end, struct obd_trans_info *);
- int (*o_iterate)(struct lustre_handle *conn,
- int (*)(obd_id, obd_gr, void *),
- obd_id *startid, obd_gr group, void *data);
- int (*o_preprw)(int cmd, struct obd_export *exp, struct obdo *oa,
- int objcount, struct obd_ioobj *obj,
- int niocount, struct niobuf_remote *remote,
- struct niobuf_local *local, struct obd_trans_info *oti,
- struct lustre_capa *capa);
- int (*o_commitrw)(int cmd, struct obd_export *exp, struct obdo *oa,
- int objcount, struct obd_ioobj *obj,
- int niocount, struct niobuf_local *local,
- struct obd_trans_info *oti, int rc);
- int (*o_do_cow)(struct obd_export *exp, struct obd_ioobj *obj,
- int objcount, struct niobuf_remote *rnb);
- int (*o_write_extents)(struct obd_export *exp, struct obd_ioobj *obj,
- int objcount, int niocount,
- struct niobuf_local *local,int rc);
- int (*o_enqueue)(struct obd_export *, struct lov_stripe_md *,
- __u32 type, ldlm_policy_data_t *, __u32 mode,
- int *flags, void *bl_cb, void *cp_cb, void *gl_cb,
- void *data, __u32 lvb_len, void *lvb_swabber,
- struct lustre_handle *lockh);
- int (*o_match)(struct obd_export *, struct lov_stripe_md *, __u32 type,
- ldlm_policy_data_t *, __u32 mode, int *flags, void *data,
- struct lustre_handle *lockh);
- int (*o_change_cbdata)(struct obd_export *, struct lov_stripe_md *,
- ldlm_iterator_t it, void *data);
- int (*o_cancel)(struct obd_export *, struct lov_stripe_md *md,
- __u32 mode, struct lustre_handle *);
- int (*o_cancel_unused)(struct obd_export *, struct lov_stripe_md *,
- int flags, void *opaque);
- int (*o_san_preprw)(int cmd, struct obd_export *exp,
- struct obdo *oa, int objcount,
- struct obd_ioobj *obj, int niocount,
- struct niobuf_remote *remote);
- int (*o_init_export)(struct obd_export *exp);
- int (*o_destroy_export)(struct obd_export *exp);
-
- /* llog related obd_methods */
- int (*o_llog_init)(struct obd_device *, struct obd_llogs *,
- struct obd_device *, int, struct llog_catid *);
- int (*o_llog_finish)(struct obd_device *, struct obd_llogs *, int);
- int (*o_llog_connect)(struct obd_export *, struct llogd_conn_body *);
+#endif /* ifdef CLIENT_OBD_LIST_LOCK_DEBUG */
-
- /* metadata-only methods */
- int (*o_pin)(struct obd_export *, obd_id ino, __u32 gen, int type,
- struct obd_client_handle *, int flag);
- int (*o_unpin)(struct obd_export *, struct obd_client_handle *, int);
-
- int (*o_import_event)(struct obd_device *, struct obd_import *,
- enum obd_import_event);
-
- int (*o_notify)(struct obd_device *obd, struct obd_device *watched,
- int active, void *data);
-
- int (*o_init_ea_size)(struct obd_export *, int, int);
-
- /*
- * NOTE: If adding ops, add another LPROCFS_OBD_OP_INIT() line
- * to lprocfs_alloc_obd_stats() in obdclass/lprocfs_status.c.
- * Also, add a wrapper function in include/linux/obd_class.h.
- */
-};
-
-struct md_ops {
- int (*m_getstatus)(struct obd_export *, struct lustre_id *);
- int (*m_change_cbdata)(struct obd_export *, struct lustre_id *,
- ldlm_iterator_t, void *);
- int (*m_change_cbdata_name)(struct obd_export *, struct lustre_id *,
- char *, int, struct lustre_id *,
- ldlm_iterator_t, void *);
- int (*m_close)(struct obd_export *, struct mdc_op_data *,
- struct obd_client_handle *, struct ptlrpc_request **);
- int (*m_create)(struct obd_export *, struct mdc_op_data *,
- const void *, int, int, __u32, __u32,
- __u64, struct ptlrpc_request **);
- int (*m_done_writing)(struct obd_export *, struct obdo *);
- int (*m_enqueue)(struct obd_export *, int, struct lookup_intent *,
- int, struct mdc_op_data *, struct lustre_handle *,
- void *, int, ldlm_completion_callback,
- ldlm_blocking_callback, void *);
- int (*m_getattr)(struct obd_export *, struct lustre_id *,
- __u64, const char *, const void *, unsigned int,
- unsigned int, struct obd_capa *,
- struct ptlrpc_request **);
- int (*m_access_check)(struct obd_export *, struct lustre_id *,
- struct ptlrpc_request **);
- int (*m_getattr_lock)(struct obd_export *, struct lustre_id *,
- char *, int, __u64,
- unsigned int, struct ptlrpc_request **);
- int (*m_intent_lock)(struct obd_export *,
- struct lustre_id *, const char *, int,
- void *, int, struct lustre_id *,
- struct lookup_intent *, int,
- struct ptlrpc_request **,
- ldlm_blocking_callback);
- int (*m_link)(struct obd_export *, struct mdc_op_data *,
- struct ptlrpc_request **);
- int (*m_rename)(struct obd_export *, struct mdc_op_data *,
- const char *, int, const char *, int,
- struct ptlrpc_request **);
- int (*m_setattr)(struct obd_export *, struct mdc_op_data *,
- struct iattr *, void *, int , void *, int,
- void *, int, struct ptlrpc_request **);
- int (*m_sync)(struct obd_export *, struct lustre_id *,
- struct ptlrpc_request **);
- int (*m_readpage)(struct obd_export *, struct lustre_id *,
- __u64, struct page *, struct ptlrpc_request **);
- int (*m_unlink)(struct obd_export *, struct mdc_op_data *,
- struct ptlrpc_request **);
- int (*m_valid_attrs)(struct obd_export *, struct lustre_id *);
-
- struct obd_device *(*m_get_real_obd)(struct obd_export *, struct lustre_id *);
-
- int (*m_req2lustre_md)(struct obd_export *exp,
- struct ptlrpc_request *req, unsigned int offset,
- struct obd_export *osc_exp, struct lustre_md *md);
- int (*m_set_open_replay_data)(struct obd_export *exp,
- struct obd_client_handle *och,
- struct ptlrpc_request *open_req);
- int (*m_clear_open_replay_data)(struct obd_export *exp,
- struct obd_client_handle *och);
- int (*m_store_inode_generation)(struct obd_export *exp,
- struct ptlrpc_request *req, int reqoff,
- int repoff);
- int (*m_set_lock_data)(struct obd_export *exp, __u64 *l, void *data);
-
- int (*m_delete_inode)(struct obd_export *, struct lustre_id *);
-
- /*
- * NOTE: If adding ops, add another LPROCFS_MD_OP_INIT() line to
- * lprocfs_alloc_md_stats() in obdclass/lprocfs_status.c. Also, add a
- * wrapper function in include/linux/obd_class.h.
- */
-};
-
-static inline void obd_transno_commit_cb(struct obd_device *obd,
- __u64 transno, int error)
+static inline void client_obd_list_lock_init(client_obd_lock_t *lock)
{
- if (error) {
- CERROR("%s: transno "LPD64" commit error: %d\n",
- obd->obd_name, transno, error);
- return;
- }
-
- CDEBUG(D_HA, "%s: transno "LPD64" committed\n",
- obd->obd_name, transno);
-
- if (transno > obd->obd_last_committed) {
- obd->obd_last_committed = transno;
- ptlrpc_commit_replies (obd);
- }
-}
-
-static inline int obd_md_type(struct obd_device *obd)
-{
- if (!strcmp(obd->obd_type->typ_name, OBD_MDC_DEVICENAME) ||
- !strcmp(obd->obd_type->typ_name, OBD_LMV_DEVICENAME))
- return 1;
-
- return 0;
+ spin_lock_init(&lock->lock);
}
-static inline int obd_dt_type(struct obd_device *obd)
-{
- if (!strcmp(obd->obd_type->typ_name, OBD_LOV_DEVICENAME) ||
- !strcmp(obd->obd_type->typ_name, OBD_OSC_DEVICENAME))
- return 1;
+static inline void client_obd_list_lock_done(client_obd_lock_t *lock)
+{}
- return 0;
-}
-
-#endif /* __OBD_H */
+#if defined(__KERNEL__) && !defined(HAVE_ADLER)
+/* zlib_adler() is an inline function defined in zutil.h */
+#define HAVE_ADLER
+#endif
+#endif /* __LINUX_OBD_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff