/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001 Cluster File Systems, Inc.
+ * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
*
* This code is issued under the GNU General Public License.
* See the file COPYING in this distribution
#ifndef __OBD_H
#define __OBD_H
-#include <linux/fs.h>
-#include <linux/list.h>
-#include <linux/smp_lock.h>
-#include <linux/proc_fs.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_MAX_NR 50
+
+#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_FINISH_GNS _IOWR(IOC_MDC_TYPE, 22, struct obd_device *)
+#define IOC_MDC_MAX_NR 50
+
+#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/proc_fs.h>
+# include <linux/mount.h>
+#endif
+
+#include <linux/lvfs.h>
#include <linux/lustre_lib.h>
#include <linux/lustre_idl.h>
+#include <linux/lustre_export.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 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 */
+
+ /* 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;
+
+ int 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 */
+};
+
+static inline void loi_init(struct lov_oinfo *loi)
+{
+ 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);
+}
+
+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 */
+
+ /* 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];
+};
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 {
- struct page *pg;
- obd_size count;
+struct brw_page {
obd_off off;
+ struct page *pg;
+ int count;
obd_flag flag;
};
-struct lov_oinfo { /* per-child structure */
- __u64 loi_id;
- __u64 loi_size;
+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 lov_stripe_md {
- __u32 lmd_magic;
- __u32 lmd_easize; /* packed size for MDS of ea */
- __u64 lmd_object_id; /* lov object id */
- __u64 lmd_stripe_offset; /* offset of the stripe */
- __u64 lmd_stripe_size; /* size of the stripe */
- __u32 lmd_stripe_count; /* how many objects are being striped */
- __u32 lmd_stripe_pattern; /* per-lov object stripe pattern */
- struct lov_oinfo lmd_oinfo[0];
-};
-
-struct lov_stripe_md_one {
- __u32 lmd_magic;
- __u32 lmd_easize; /* packed size for MDS of ea */
- __u64 lmd_object_id; /* lov object id */
- __u64 lmd_stripe_offset; /* offset of the stripe */
- __u64 lmd_stripe_size; /* size of the stripe */
- __u32 lmd_stripe_count; /* how many objects are being striped */
- __u32 lmd_stripe_pattern; /* per-lov object stripe pattern */
- struct lov_oinfo lmd_oinfo[1];
-};
-
-/* Individual type definitions */
-
-struct ext2_obd {
- struct super_block *e2_sb;
- struct vfsmount *e2_vfsmnt;
-};
-
-#define OBD_RUN_CTXT_MAGIC 0xC0FFEEAA
-#define OBD_CTXT_DEBUG /* development-only debugging */
-struct obd_run_ctxt {
- struct vfsmount *pwdmnt;
- struct dentry *pwd;
- mm_segment_t fs;
-#ifdef OBD_CTXT_DEBUG
- __u32 magic;
-#endif
+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);
};
-#ifdef OBD_CTXT_DEBUG
-#define OBD_SET_CTXT_MAGIC(ctxt) (ctxt)->magic = OBD_RUN_CTXT_MAGIC
-#else
-#define OBD_SET_CTXT_MAGIC(ctxt) do {} while(0)
-#endif
+/* 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);
+};
+
+/* 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];
+};
+
+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 filter_obd {
- char *fo_fstype;
- struct super_block *fo_sb;
- struct vfsmount *fo_vfsmnt;
- struct obd_run_ctxt fo_ctxt;
- struct dentry *fo_dentry_O;
- struct dentry *fo_dentry_O_mode[16];
- spinlock_t fo_lock;
- __u64 fo_lastino;
+ const char *fo_fstype;
+ struct super_block *fo_sb;
+ struct vfsmount *fo_vfsmnt;
+
+ 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;
+
+ spinlock_t fo_objidlock; /* protect fo_lastobjid 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 int fo_destroy_in_progress:1;
+ struct semaphore fo_create_lock;
+
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;
};
struct mds_server_data;
+#define OSC_MAX_RIF_DEFAULT 4
+#define OSC_MAX_RIF_MAX 32
+#define OSC_MAX_DIRTY_DEFAULT 4
+#define OSC_MAX_DIRTY_MB_MAX 256 /* totally arbitrary */
+
+struct mdc_rpc_lock;
struct client_obd {
- struct ptlrpc_client *cl_client;
- struct ptlrpc_client *cl_ldlm_client;
- struct ptlrpc_connection *cl_conn;
- struct lustre_handle cl_exporth;
- struct semaphore cl_sem;
- int cl_conn_count;
- __u8 cl_target_uuid[37];
- int cl_max_mdsize;
+ 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;
+
+ //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_brw_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 mdc_rpc_lock *cl_rpc_lock;
+ struct mdc_rpc_lock *cl_setattr_lock;
+ struct osc_creator cl_oscc;
};
+/* 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;
-
- char *mds_fstype;
- struct super_block *mds_sb;
- struct super_operations *mds_sop;
- struct vfsmount *mds_vfsmnt;
- struct obd_run_ctxt mds_ctxt;
- struct file_operations *mds_fop;
- struct inode_operations *mds_iop;
- struct address_space_operations *mds_aops;
- struct mds_fs_operations *mds_fsops;
- int mds_max_mdsize;
- struct file *mds_rcvd_filp;
- spinlock_t mds_last_lock;
- __u64 mds_last_committed;
- __u64 mds_last_rcvd;
- __u64 mds_mount_count;
- struct ll_fid mds_rootfid;
- struct mds_server_data *mds_server_data;
-};
-
-struct ldlm_obd {
- struct ptlrpc_service *ldlm_service;
- struct ptlrpc_client *ldlm_client;
- struct ptlrpc_connection *ldlm_server_conn;
+ struct ptlrpc_service *mds_service;
+ struct ptlrpc_service *mds_setattr_service;
+ struct ptlrpc_service *mds_readpage_service;
+ struct super_block *mds_sb;
+ struct vfsmount *mds_vfsmnt;
+ struct dentry *mds_fid_de;
+ int mds_max_mdsize;
+ int mds_max_cookiesize;
+ struct file *mds_rcvd_filp;
+ spinlock_t mds_transno_lock;
+ __u64 mds_last_transno;
+ __u64 mds_mount_count;
+ __u64 mds_io_epoch;
+ struct semaphore mds_epoch_sem;
+ struct ll_fid mds_rootfid;
+ 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;
+// struct llog_handle *mds_catalog;
+ struct obd_device *mds_osc_obd; /* XXX lov_obd */
+ struct obd_uuid mds_lov_uuid;
+ char *mds_profile;
+ struct obd_export *mds_osc_exp; /* XXX lov_exp */
+ int mds_has_lov_desc;
+ struct lov_desc mds_lov_desc;
+ obd_id *mds_lov_objids;
+ int mds_lov_objids_valid;
+ int mds_lov_nextid_set;
+ struct file *mds_lov_objid_filp;
+ unsigned long *mds_client_bitmap;
+ struct semaphore mds_orphan_recovery_sem;
+ /*add mds num here for real mds and cache mds create
+ FIXME later will be totally fixed by b_cmd*/
+ int mds_num;
+ atomic_t mds_open_count;
+
+ char *mds_lmv_name;
+ struct obd_device *mds_lmv_obd; /* XXX lmv_obd */
+ struct obd_export *mds_lmv_exp; /* XXX lov_exp */
+ struct ptlrpc_service *mds_create_service;
+ atomic_t mds_real_clients;
+ struct obd_uuid mds_lmv_uuid;
+ struct dentry *mds_fids_dir;
};
struct echo_obd {
- char *eo_fstype;
- struct super_block *eo_sb;
- struct vfsmount *eo_vfsmnt;
- struct obd_run_ctxt eo_ctxt;
+ struct obdo oa;
spinlock_t eo_lock;
__u64 eo_lastino;
- struct file_operations *eo_fop;
- struct inode_operations *eo_iop;
- struct address_space_operations *eo_aops;
+ atomic_t eo_getattr;
+ atomic_t eo_setattr;
+ atomic_t eo_create;
+ atomic_t eo_destroy;
+ atomic_t eo_prep;
+ atomic_t eo_read;
+ atomic_t eo_write;
+};
+
+/*
+ * 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 {
- time_t recovd_waketime;
- time_t recovd_timeout;
- __u32 recovd_flags;
- __u32 recovd_wakeup_flag;
spinlock_t recovd_lock;
struct list_head recovd_managed_items; /* items managed */
- struct list_head recovd_troubled_items; /* items in trouble */
+ 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;
+ struct task_struct *recovd_thread;
+ __u32 recovd_state;
};
-struct trace_obd {
- struct obdtrace_opstats *stats;
+struct ost_obd {
+ struct ptlrpc_service *ost_service;
+ struct ptlrpc_service *ost_create_service;
};
-#if 0
-struct snap_obd {
- unsigned int snap_index; /* which snapshot index are we accessing */
- int snap_tableno;
+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;
};
-#endif
-
-struct ost_obd {
- struct ptlrpc_service *ost_service;
- struct lustre_handle ost_conn; /* the local connection to the OBD */
+struct cache_obd {
+ struct obd_export *cobd_real_exp;/* local connection to target obd */
+ struct obd_export *cobd_cache_exp; /* local connection to cache obd */
+ int refcount;
+ int cache_on;
};
-
-struct lov_tgt_desc {
- uuid_t uuid;
- struct lustre_handle conn;
+struct lov_tgt_desc {
+ struct obd_uuid uuid;
+ struct obd_export *ltd_exp;
+ int active; /* is this target up for requests */
};
struct lov_obd {
- struct obd_device *mdcobd;
+ spinlock_t lov_lock;
struct lov_desc desc;
- int bufsize;
+ int bufsize;
+ int refcount;
+ int lo_catalog_loaded:1;
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 {
+ spinlock_t lmv_lock;
+ struct lmv_desc desc;
+ int bufsize;
+ int refcount;
+ struct lmv_tgt_desc *tgts;
+ struct obd_uuid cluuid;
+ struct obd_export *exp;
+ int connected;
+ int max_easize;
+ int max_cookiesize;
+ int server_timeout;
+};
+
struct niobuf_local {
__u64 offset;
__u32 len;
- __u32 xid;
__u32 flags;
- void *addr;
struct page *page;
- void *target_private;
struct dentry *dentry;
+ int lnb_grant_used;
+ int rc;
};
-#define N_LOCAL_TEMP_PAGE 0x00000001
+struct cache_manager_obd {
+ struct obd_device *cm_master_obd; /* master lov */
+ struct obd_export *cm_master_exp;
+ struct obd_device *cm_cache_obd; /* cache obdfilter */
+ struct obd_export *cm_cache_exp;
+ int cm_master_group; /* master group*/
+ struct cmobd_write_service *cm_write_srv;
+};
+
+
+/* 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;
+};
+
+static inline void oti_alloc_cookies(struct obd_trans_info *oti,int num_cookies)
+{
+ 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;
+}
+
+static inline void oti_free_cookies(struct obd_trans_info *oti)
+{
+ 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;
+}
+
+/* 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_MAX_CTXTS
+};
+
+struct obd_llogs {
+ struct llog_ctxt *llog_ctxt[LLOG_MAX_CTXTS];
+};
/* corresponds to one of the obd's */
struct obd_device {
/* common and UUID name of this device */
char *obd_name;
- __u8 obd_uuid[37];
+ struct obd_uuid obd_uuid;
int obd_minor;
- int obd_flags;
+ 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;
- struct list_head obd_imports;
+ 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;
+ 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;
+
+ /* XXX encapsulate all this recovery data into one struct */
+ svc_handler_t obd_recovery_handler;
+ int obd_max_recoverable_clients;
+ int obd_connected_clients;
+ int obd_recoverable_clients;
+ spinlock_t obd_processing_task_lock;
+ pid_t obd_processing_task;
+ __u64 obd_next_recovery_transno;
+ int obd_replayed_requests;
+ 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;
+ struct list_head obd_recovery_queue;
+ struct list_head obd_delayed_reply_queue;
+
union {
- struct ext2_obd ext2;
struct filter_obd filter;
struct mds_obd mds;
struct client_obd cli;
struct ost_obd ost;
- // struct osc_obd osc;
- struct ldlm_obd ldlm;
+ struct echo_client_obd echo_client;
struct echo_obd echo;
struct recovd_obd recovd;
- struct trace_obd trace;
struct lov_obd lov;
-#if 0
- struct snap_obd snap;
-#endif
+ struct cache_obd cobd;
+ struct ptlbd_obd ptlbd;
+ struct mgmtcli_obd mgmtcli;
+ struct lmv_obd lmv;
+ struct cache_manager_obd cmobd;
} u;
+ /* Fields used by LProcFS */
+ unsigned int obd_cntr_base;
+ struct lprocfs_stats *obd_stats;
+ struct proc_dir_entry *obd_svc_procroot;
+ struct lprocfs_stats *obd_svc_stats;
};
-struct io_cb_data;
+#define OBD_OPT_FORCE 0x0001
+#define OBD_OPT_FAILOVER 0x0002
+#define OBD_OPT_REAL_CLIENT 0x0004
+
+#define OBD_LLOG_FL_SENDNOW 0x0001
+
+struct mdc_op_data;
struct obd_ops {
- int (*o_iocontrol)(long cmd, struct lustre_handle *, int len,
+ 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 lustre_handle *, obd_count keylen, void *key,
- obd_count *vallen, void **val);
- int (*o_set_info)(struct lustre_handle *, obd_count keylen, void *key,
- obd_count vallen, void *val);
+ 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_cleanup)(struct obd_device *dev);
+ int (*o_precleanup)(struct obd_device *dev, int flags);
+ int (*o_cleanup)(struct obd_device *dev, int flags);
+ int (*o_postrecov)(struct obd_device *dev);
int (*o_connect)(struct lustre_handle *conn, struct obd_device *src,
- char *cluuid);
- int (*o_disconnect)(struct lustre_handle *conn);
-
-
- int (*o_statfs)(struct lustre_handle *conn, struct statfs *statfs);
+ struct obd_uuid *cluuid);
+ int (*o_disconnect)(struct obd_export *exp, int 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_preallocate)(struct lustre_handle *, obd_count *req,
obd_id *ids);
- int (*o_create)(struct lustre_handle *conn, struct obdo *oa,
- struct lov_stripe_md **ea);
- int (*o_destroy)(struct lustre_handle *conn, struct obdo *oa,
- struct lov_stripe_md *ea);
- int (*o_setattr)(struct lustre_handle *conn, struct obdo *oa,
+ int (*o_create)(struct obd_export *exp, struct obdo *oa,
+ 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)(struct lustre_handle *conn, struct obdo *oa,
- struct lov_stripe_md *ea);
- int (*o_open)(struct lustre_handle *conn, struct obdo *oa,
- struct lov_stripe_md *);
- int (*o_close)(struct lustre_handle *conn, struct obdo *oa,
- struct lov_stripe_md *);
- int (*o_brw)(int rw, struct lustre_handle *conn,
- struct lov_stripe_md *md, obd_count oa_bufs,
- struct brw_page *pgarr, brw_callback_t callback,
- struct io_cb_data *data);
- int (*o_punch)(struct lustre_handle *conn, struct obdo *tgt,
- struct lov_stripe_md *md, obd_size count,
- obd_off offset);
- int (*o_sync)(struct lustre_handle *conn, struct obdo *tgt,
- obd_size count, obd_off offset);
- int (*o_migrate)(struct lustre_handle *conn, struct obdo *dst,
- struct obdo *src, obd_size count, obd_off offset);
- int (*o_copy)(struct lustre_handle *dstconn, struct obdo *dst,
- struct lustre_handle *srconn, struct obdo *src,
- obd_size count, obd_off offset);
+ 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_flag brw_flags, obd_flag 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_flag brw_flags, obd_flag 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_flag async_flags);
+ int (*o_teardown_async_page)(struct obd_export *exp,
+ struct lov_stripe_md *lsm,
+ struct lov_oinfo *loi, void *cookie);
+ 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);
+ 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 lustre_handle *conn,
+ 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, void **desc_private);
- int (*o_commitrw)(int cmd, struct lustre_handle *conn,
+ struct niobuf_local *local, struct obd_trans_info *oti);
+ int (*o_commitrw)(int cmd, struct obd_export *exp, struct obdo *oa,
int objcount, struct obd_ioobj *obj,
int niocount, struct niobuf_local *local,
- void *desc_private);
- int (*o_enqueue)(struct lustre_handle *conn, struct lov_stripe_md *md,
- struct lustre_handle *parent_lock,
- __u32 type, void *cookie, int cookielen, __u32 mode,
- int *flags, void *cb, void *data, int datalen,
+ struct obd_trans_info *oti, int rc);
+ int (*o_write_extents)(struct obd_export *exp, struct obd_ioobj *obj,
+ 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_cancel)(struct lustre_handle *, struct lov_stripe_md *md, __u32 mode, struct lustre_handle *);
+ 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_device *, struct llogd_conn_body *);
+
+
+ /* 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);
+ 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.
+ */
};
-#if BITS_PER_LONG > 32
-#define LPU64 "%lu"
-#define LPD64 "%ld"
-#define LPX64 "%lx"
-#else
-#define LPU64 "%Lu"
-#define LPD64 "%Ld"
-#define LPX64 "%Lx"
-#endif
+struct ll_uctxt;
+
+struct md_ops {
+ int (*m_getstatus)(struct obd_export *, struct ll_fid *);
+ int (*m_change_cbdata)(struct obd_export *, struct ll_fid *,
+ ldlm_iterator_t, void *);
+ int (*m_change_cbdata_name)(struct obd_export *, struct ll_fid *,
+ char *, int, struct ll_fid *,
+ ldlm_iterator_t, void *);
+ int (*m_close)(struct obd_export *, struct obdo *,
+ 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 ll_fid *,
+ unsigned long, unsigned int,
+ struct ptlrpc_request **);
+ int (*m_getattr_name)(struct obd_export *, struct ll_fid *,
+ char *, int, unsigned long,
+ unsigned int, struct ptlrpc_request **);
+ int (*m_intent_lock)(struct obd_export *, struct ll_uctxt *,
+ struct ll_fid *, const char *, int,
+ void *, int, struct ll_fid *,
+ 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,
+ struct ptlrpc_request **);
+ int (*m_sync)(struct obd_export *, struct ll_fid *,
+ struct ptlrpc_request **);
+ int (*m_readpage)(struct obd_export *, struct ll_fid *,
+ __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 ll_fid *);
+ struct obd_device * (*m_get_real_obd)(struct obd_export *,
+ char *name, int len);
+
+ 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);
+
+ /*
+ * 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.
+ */
+};
-#endif
+static inline void obd_transno_commit_cb(struct obd_device *obd, __u64 transno,
+ int error)
+{
+ 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);
+ }
+}
+
+#endif /* __OBD_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff