X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flinux%2Fobd.h;h=417cce0988f0904e5c90e4e14f01baabc7ee3b5b;hb=e44e9b278432a1df83482b1cd83b2081fabe94dc;hp=73d00457780e98982e8b2a13e3d0df113e60c81f;hpb=e24ed7cfc99b2b4378e53de7dc01b8c286b53438;p=fs%2Flustre-release.git diff --git a/lustre/include/linux/obd.h b/lustre/include/linux/obd.h index 73d0045..417cce0 100644 --- a/lustre/include/linux/obd.h +++ b/lustre/include/linux/obd.h @@ -1,7 +1,7 @@ /* -*- 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 @@ -9,203 +9,522 @@ #ifndef __OBD_H #define __OBD_H -#include -#include -#include -#include +#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 +# include +# include /* for struct task_struct, for current.h */ +# include /* for smp_lock.h */ +# include +# include +# include +#endif + +#include #include #include +#include + +/* 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; - __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; - struct ptlrpc_service *recovd_service; - struct ptlrpc_client *recovd_client; - __u32 recovd_flags; - __u32 recovd_wakeup_flag; - spinlock_t recovd_lock; - struct list_head recovd_clients_lh; /* clients managed */ - struct list_head recovd_troubled_lh; /* clients in trouble */ + 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; + 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 { @@ -213,101 +532,306 @@ 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; + __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, + 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_setattr)(struct lustre_handle *conn, 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. + */ }; -/* FIXME: for 64-bit arch */ -#define LPU64 "%Lu" -#define LPD64 "%Ld" -#define LPX64 "%Lx" +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 */