* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef __OBD_H
#define __OBD_H
-#ifndef __KERNEL__
-# error "userspace should not include <obd.h>"
-#endif
-#if defined(__linux__)
-#include <linux/obd.h>
-#elif defined(__APPLE__)
-#include <darwin/obd.h>
-#else
-#error Unsupported operating system.
-#endif
+#include <linux/spinlock.h>
#include <lustre/lustre_idl.h>
#include <lustre_lib.h>
#include <lustre_export.h>
#include <lustre_fid.h>
#include <lustre_fld.h>
-#include <lustre_capa.h>
+#include <lustre_handles.h>
+#include <lustre_intent.h>
#include <lvfs.h>
+#include <lustre_quota.h>
#define MAX_OBD_DEVICES 8192
{
}
-struct lov_stripe_md {
- atomic_t lsm_refc;
- spinlock_t lsm_lock;
- pid_t lsm_lock_owner; /* debugging */
-
- /* maximum possible file size, might change as OSTs status changes,
- * e.g. disconnected, deactivated */
- __u64 lsm_maxbytes;
- struct {
- /* Public members. */
- struct ost_id lw_object_oi; /* lov object id/seq */
-
- /* LOV-private members start here -- only for use in lov/. */
- __u32 lw_magic;
- __u32 lw_stripe_size; /* size of the stripe */
- __u32 lw_pattern; /* striping pattern (RAID0, RAID1) */
- __u16 lw_stripe_count; /* number of objects being striped over */
- __u16 lw_layout_gen; /* generation of the layout */
- char lw_pool_name[LOV_MAXPOOLNAME]; /* pool name */
- } lsm_wire;
-
- struct lov_oinfo *lsm_oinfo[0];
-};
-
-#define lsm_oi lsm_wire.lw_object_oi
-#define lsm_magic lsm_wire.lw_magic
-#define lsm_layout_gen lsm_wire.lw_layout_gen
-#define lsm_stripe_size lsm_wire.lw_stripe_size
-#define lsm_pattern lsm_wire.lw_pattern
-#define lsm_stripe_count lsm_wire.lw_stripe_count
-#define lsm_pool_name lsm_wire.lw_pool_name
-
-static inline bool lsm_is_released(struct lov_stripe_md *lsm)
-{
- return !!(lsm->lsm_pattern & LOV_PATTERN_F_RELEASED);
-}
-
-static inline bool lsm_has_objects(struct lov_stripe_md *lsm)
-{
- if (lsm == NULL)
- return false;
- if (lsm_is_released(lsm))
- return false;
- return true;
-}
-
-static inline int lov_stripe_md_size(unsigned int stripe_count)
-{
- struct lov_stripe_md lsm;
-
- return sizeof(lsm) + stripe_count * sizeof(lsm.lsm_oinfo[0]);
-}
-
+struct lov_stripe_md;
struct obd_info;
typedef int (*obd_enqueue_update_f)(void *cookie, int rc);
/* obd info for a particular level (lov, osc). */
struct obd_info {
- /* Lock policy. It keeps an extent which is specific for a particular
- * OSC. (e.g. lov_prep_enqueue_set initialises extent of the policy,
- * and osc_enqueue passes it into ldlm_lock_match & ldlm_cli_enqueue. */
- ldlm_policy_data_t oi_policy;
- /* Flags used for set request specific flags:
- - while lock handling, the flags obtained on the enqueue
- request are set here.
- - while stats, the flags used for control delay/resend.
- - while setattr, the flags used for distinguish punch operation
- */
+ /* OBD_STATFS_* flags */
__u64 oi_flags;
- /* lsm data specific for every OSC. */
- struct lov_stripe_md *oi_md;
- /* obdo data specific for every OSC, if needed at all. */
- struct obdo *oi_oa;
/* statfs data specific for every OSC, if needed at all. */
struct obd_statfs *oi_osfs;
/* An update callback which is called to update some data on upper
- * level. E.g. it is used for update lsm->lsm_oinfo at every recieved
+ * level. E.g. it is used for update lsm->lsm_oinfo at every received
* request in osc level for enqueue requests. It is also possible to
* update some caller data from LOV layer if needed. */
obd_enqueue_update_f oi_cb_up;
- /* oss capability, its type is obd_capa in client to avoid copy.
- * in contrary its type is lustre_capa in OSS. */
- void *oi_capa;
};
struct obd_type {
};
struct brw_page {
- obd_off off;
- struct page *pg;
- int count;
- obd_flag flag;
+ u64 off;
+ struct page *pg;
+ u32 count;
+ u32 flag;
};
struct timeout_item {
NUM_SYNC_ON_CANCEL_STATES
};
+/*
+ * Limit reply buffer size for striping data to one x86_64 page. This
+ * value is chosen to fit the striping data for common use cases while
+ * staying well below the limit at which the buffer must be backed by
+ * vmalloc(). Excessive use of vmalloc() may cause spinlock contention
+ * on the MDS.
+ */
+#define OBD_MAX_DEFAULT_EA_SIZE 4096
+
+enum obd_cl_sem_lock_class {
+ OBD_CLI_SEM_NORMAL,
+ OBD_CLI_SEM_MGC,
+ OBD_CLI_SEM_MDCOSC,
+};
+
struct mdc_rpc_lock;
struct obd_import;
struct client_obd {
struct rw_semaphore cl_sem;
- struct obd_uuid cl_target_uuid;
- struct obd_import *cl_import; /* ptlrpc connection state */
- int cl_conn_count;
- /* max_mds_easize is purely a performance thing so we don't have to
- * call obd_size_diskmd() all the time. */
- int cl_default_mds_easize;
- int cl_max_mds_easize;
- int cl_default_mds_cookiesize;
- int cl_max_mds_cookiesize;
-
- enum lustre_sec_part cl_sp_me;
- enum lustre_sec_part cl_sp_to;
- struct sptlrpc_flavor cl_flvr_mgc; /* fixed flavor of mgc->mgs */
+ struct obd_uuid cl_target_uuid;
+ struct obd_import *cl_import; /* ptlrpc connection state */
+ size_t cl_conn_count;
+
+ /* Cache maximum and default values for easize. This is
+ * strictly a performance optimization to minimize calls to
+ * obd_size_diskmd(). The default values are used to calculate the
+ * initial size of a request buffer. The ptlrpc layer will resize the
+ * buffer as needed to accommodate a larger reply from the
+ * server. The default values should be small enough to avoid wasted
+ * memory and excessive use of vmalloc(), yet large enough to avoid
+ * reallocating the buffer in the common use case. */
+
+ /* Default EA size for striping attributes. It is initialized at
+ * mount-time based on the default stripe width of the filesystem,
+ * then it tracks the largest observed EA size advertised by
+ * the MDT, up to a maximum value of OBD_MAX_DEFAULT_EA_SIZE. */
+ __u32 cl_default_mds_easize;
+
+ /* Maximum possible EA size computed at mount-time based on
+ * the number of OSTs in the filesystem. May be increased at
+ * run-time if a larger observed size is advertised by the MDT. */
+ __u32 cl_max_mds_easize;
+
+ enum lustre_sec_part cl_sp_me;
+ enum lustre_sec_part cl_sp_to;
+ struct sptlrpc_flavor cl_flvr_mgc; /* fixed flavor of mgc->mgs */
/* the grant values are protected by loi_list_lock below */
unsigned long cl_dirty_pages; /* all _dirty_ in pages */
unsigned long cl_dirty_transit; /* dirty synchronous */
unsigned long cl_avail_grant; /* bytes of credit for ost */
unsigned long cl_lost_grant; /* lost credits (trunc) */
+ /* grant consumed for dirty pages */
+ unsigned long cl_dirty_grant;
/* since we allocate grant by blocks, we don't know how many grant will
* be used to add a page into cache. As a solution, we reserve maximum
/* A chunk is an optimal size used by osc_extent to determine
* the extent size. A chunk is max(PAGE_CACHE_SIZE, OST block size) */
int cl_chunkbits;
- int cl_extent_tax; /* extent overhead, by bytes */
+ /* extent insertion metadata overhead to be accounted in grant,
+ * in bytes */
+ unsigned int cl_grant_extent_tax;
+ /* maximum extent size, in number of pages */
+ unsigned int cl_max_extent_pages;
/* keep track of objects that have lois that contain pages which
* have been queued for async brw. this lock also protects the
* blocking everywhere, but we don't want to slow down fast-path of
* our main platform.)
*
- * Exact type of ->cl_loi_list_lock is defined in arch/obd.h together
- * with client_obd_list_{un,}lock() and
- * client_obd_list_lock_{init,done}() functions.
- *
* NB by Jinshan: though field names are still _loi_, but actually
* osc_object{}s are in the list.
*/
- client_obd_lock_t cl_loi_list_lock;
+ spinlock_t cl_loi_list_lock;
struct list_head cl_loi_ready_list;
struct list_head cl_loi_hp_ready_list;
struct list_head cl_loi_write_list;
struct obd_histogram cl_read_offset_hist;
struct obd_histogram cl_write_offset_hist;
- /* lru for osc caching pages */
- struct cl_client_cache *cl_cache;
- struct list_head cl_lru_osc; /* member of cl_cache->ccc_lru */
- atomic_t *cl_lru_left;
- atomic_t cl_lru_busy;
- atomic_t cl_lru_shrinkers;
- atomic_t cl_lru_in_list;
- struct list_head cl_lru_list; /* lru page list */
- client_obd_lock_t cl_lru_list_lock; /* page list protector */
- atomic_t cl_unstable_count;
+ /** LRU for osc caching pages */
+ struct cl_client_cache *cl_cache;
+ /** member of cl_cache->ccc_lru */
+ struct list_head cl_lru_osc;
+ /** # of available LRU slots left in the per-OSC cache.
+ * Available LRU slots are shared by all OSCs of the same file system,
+ * therefore this is a pointer to cl_client_cache::ccc_lru_left. */
+ atomic_long_t *cl_lru_left;
+ /** # of busy LRU pages. A page is considered busy if it's in writeback
+ * queue, or in transfer. Busy pages can't be discarded so they are not
+ * in LRU cache. */
+ atomic_long_t cl_lru_busy;
+ /** # of LRU pages in the cache for this client_obd */
+ atomic_long_t cl_lru_in_list;
+ /** # of threads are shrinking LRU cache. To avoid contention, it's not
+ * allowed to have multiple threads shrinking LRU cache. */
+ atomic_t cl_lru_shrinkers;
+ /** The time when this LRU cache was last used. */
+ time_t cl_lru_last_used;
+ /** stats: how many reclaims have happened for this client_obd.
+ * reclaim and shrink - shrink is async, voluntarily rebalancing;
+ * reclaim is sync, initiated by IO thread when the LRU slots are
+ * in shortage. */
+ __u64 cl_lru_reclaim;
+ /** List of LRU pages for this client_obd */
+ struct list_head cl_lru_list;
+ /** Lock for LRU page list */
+ spinlock_t cl_lru_list_lock;
+ /** # of unstable pages in this client_obd.
+ * An unstable page is a page state that WRITE RPC has finished but
+ * the transaction has NOT yet committed. */
+ atomic_long_t cl_unstable_count;
+ /** Link to osc_shrinker_list */
+ struct list_head cl_shrink_list;
/* number of in flight destroy rpcs is limited to max_rpcs_in_flight */
atomic_t cl_destroy_in_flight;
wait_queue_head_t cl_destroy_waitq;
struct mdc_rpc_lock *cl_rpc_lock;
- struct mdc_rpc_lock *cl_close_lock;
+
+ /* modify rpcs in flight
+ * currently used for metadata only */
+ spinlock_t cl_mod_rpcs_lock;
+ __u16 cl_max_mod_rpcs_in_flight;
+ __u16 cl_mod_rpcs_in_flight;
+ __u16 cl_close_rpcs_in_flight;
+ wait_queue_head_t cl_mod_rpcs_waitq;
+ unsigned long *cl_mod_tag_bitmap;
+ struct obd_histogram cl_mod_rpcs_hist;
/* mgc datastruct */
struct mutex cl_mgc_mutex;
/* also protected by the poorly named _loi_list_lock lock above */
struct osc_async_rc cl_ar;
- /* used by quotacheck when the servers are older than 2.4 */
- int cl_qchk_stat; /* quotacheck stat of the peer */
-#define CL_NOT_QUOTACHECKED 1 /* client->cl_qchk_stat init value */
-#if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 7, 50, 0)
-#warning "please consider removing quotacheck compatibility code"
-#endif
-
/* sequence manager */
struct lu_client_seq *cl_seq;
void *cl_writeback_work;
void *cl_lru_work;
/* hash tables for osc_quota_info */
- cfs_hash_t *cl_quota_hash[MAXQUOTAS];
+ struct cfs_hash *cl_quota_hash[LL_MAXQUOTAS];
};
#define obd2cli_tgt(obd) ((char *)(obd)->u.cli.cl_target_uuid.uuid)
struct obd_id_info {
- __u32 idx;
- obd_id *data;
+ u32 idx;
+ u64 *data;
};
struct echo_client_obd {
spinlock_t ec_lock;
struct list_head ec_objects;
struct list_head ec_locks;
- int ec_nstripes;
__u64 ec_unique;
};
__u32 lov_tgt_size; /* size of tgts array */
int lov_connects;
int lov_pool_count;
- cfs_hash_t *lov_pools_hash_body; /* used for key access */
+ struct cfs_hash *lov_pools_hash_body; /* used for key access */
struct list_head lov_pool_list; /* used for sequential access */
struct proc_dir_entry *lov_pool_proc_entry;
enum lustre_sec_part lov_sp_me;
/* Cached LRU and unstable data from upper layer */
- void *lov_cache;
+ struct cl_client_cache *lov_cache;
struct rw_semaphore lov_notify_lock;
};
struct lmv_tgt_desc {
struct obd_uuid ltd_uuid;
struct obd_export *ltd_exp;
- int ltd_idx;
+ __u32 ltd_idx;
struct mutex ltd_fid_mutex;
unsigned long ltd_active:1; /* target up for requests */
};
-enum placement_policy {
- PLACEMENT_CHAR_POLICY = 0,
- PLACEMENT_NID_POLICY = 1,
- PLACEMENT_INVAL_POLICY = 2,
- PLACEMENT_MAX_POLICY
-};
-
-typedef enum placement_policy placement_policy_t;
-
struct lmv_obd {
- int refcount;
struct lu_client_fld lmv_fld;
spinlock_t lmv_lock;
- placement_policy_t lmv_placement;
struct lmv_desc desc;
struct obd_uuid cluuid;
- struct obd_export *exp;
struct proc_dir_entry *targets_proc_entry;
- struct mutex init_mutex;
+ struct mutex lmv_init_mutex;
int connected;
int max_easize;
int max_def_easize;
- int max_cookiesize;
- int max_def_cookiesize;
- int server_timeout;
- int tgts_size; /* size of tgts array */
+ __u32 tgts_size; /* size of tgts array */
struct lmv_tgt_desc **tgts;
struct obd_connect_data conn_data;
__u32 lnb_page_offset;
__u32 lnb_len;
__u32 lnb_flags;
+ int lnb_rc;
struct page *lnb_page;
void *lnb_data;
- int lnb_rc;
};
#define LUSTRE_FLD_NAME "fld"
#define LUSTRE_MGS_OBDNAME "MGS"
#define LUSTRE_MGC_OBDNAME "MGC"
-struct obd_trans_info {
- __u64 oti_xid;
- /* 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;
-
- /** VBR: versions */
- __u64 oti_pre_version;
-};
+static inline int is_lwp_on_mdt(char *name)
+{
+ char *ptr;
+
+ ptr = strrchr(name, '-');
+ if (ptr == NULL) {
+ CERROR("%s is not a obdname\n", name);
+ return 0;
+ }
+
+ /* LWP name on MDT is fsname-MDTxxxx-lwp-MDTxxxx */
+
+ if (strncmp(ptr + 1, "MDT", 3) != 0)
+ return 0;
+
+ while (*(--ptr) != '-' && ptr != name);
+
+ if (ptr == name)
+ return 0;
+
+ if (strncmp(ptr + 1, LUSTRE_LWP_NAME, strlen(LUSTRE_LWP_NAME)) != 0)
+ return 0;
+
+ return 1;
+}
+
+static inline int is_lwp_on_ost(char *name)
+{
+ char *ptr;
+
+ ptr = strrchr(name, '-');
+ if (ptr == NULL) {
+ CERROR("%s is not a obdname\n", name);
+ return 0;
+ }
+
+ /* LWP name on OST is fsname-MDTxxxx-lwp-OSTxxxx */
+
+ if (strncmp(ptr + 1, "OST", 3) != 0)
+ return 0;
+
+ while (*(--ptr) != '-' && ptr != name);
+
+ if (ptr == name)
+ return 0;
+
+ if (strncmp(ptr + 1, LUSTRE_LWP_NAME, strlen(LUSTRE_LWP_NAME)) != 0)
+ return 0;
+
+ return 1;
+}
/*
* Events signalled through obd_notify() upcall-chain.
OBD_NOTIFY_ACTIVE,
/* Device deactivated */
OBD_NOTIFY_INACTIVE,
- /* Device disconnected */
- OBD_NOTIFY_DISCON,
/* Connect data for import were changed */
OBD_NOTIFY_OCD,
/* Sync request */
#define OBD_DEVICE_MAGIC 0XAB5CD6EF
struct obd_device {
- struct obd_type *obd_type;
- __u32 obd_magic;
+ struct obd_type *obd_type;
+ __u32 obd_magic; /* OBD_DEVICE_MAGIC */
+ int obd_minor; /* device number: lctl dl */
+ struct lu_device *obd_lu_dev;
- /* common and UUID name of this device */
- char obd_name[MAX_OBD_NAME];
- struct obd_uuid obd_uuid;
- int obd_minor;
- struct lu_device *obd_lu_dev;
+ /* common and UUID name of this device */
+ struct obd_uuid obd_uuid;
+ char obd_name[MAX_OBD_NAME];
/* bitfield modification is protected by obd_dev_lock */
unsigned long
obd_recovering:1, /* there are recoverable clients */
obd_abort_recovery:1, /* recovery expired */
obd_version_recov:1, /* obd uses version checking */
- obd_replayable:1, /* recovery is enabled;
- * inform clients */
+ obd_replayable:1, /* recovery enabled; inform clients */
obd_no_transno:1, /* no committed-transno notification */
obd_no_recov:1, /* fail instead of retry messages */
obd_stopping:1, /* started cleanup */
* protection of other bits using _bh lock */
unsigned long obd_recovery_expired:1;
/* uuid-export hash body */
- cfs_hash_t *obd_uuid_hash;
+ struct cfs_hash *obd_uuid_hash;
/* nid-export hash body */
- cfs_hash_t *obd_nid_hash;
+ struct cfs_hash *obd_nid_hash;
/* nid stats body */
- cfs_hash_t *obd_nid_stats_hash;
+ struct cfs_hash *obd_nid_stats_hash;
+ /* client_generation-export hash body */
+ struct cfs_hash *obd_gen_hash;
struct list_head obd_nid_stats;
- atomic_t obd_refcount;
struct list_head obd_exports;
struct list_head obd_unlinked_exports;
struct list_head obd_delayed_exports;
struct list_head obd_lwp_list;
+ atomic_t obd_refcount;
int obd_num_exports;
spinlock_t obd_nid_lock;
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; /* protect OBD bitfield above */
- struct mutex obd_dev_mutex;
- __u64 obd_last_committed;
spinlock_t obd_osfs_lock;
struct obd_statfs obd_osfs; /* locked by obd_osfs_lock */
__u64 obd_osfs_age;
+ __u64 obd_last_committed;
+ struct mutex obd_dev_mutex;
struct lvfs_run_ctxt obd_lvfs_ctxt;
struct obd_llog_group obd_olg; /* default llog group */
struct obd_device *obd_observer;
int obd_recovery_ir_factor;
/* new recovery stuff from CMD2 */
- struct target_recovery_data obd_recovery_data;
int obd_replayed_locks;
atomic_t obd_req_replay_clients;
atomic_t obd_lock_replay_clients;
+ struct target_recovery_data obd_recovery_data;
+
/* all lists are protected by obd_recovery_task_lock */
struct list_head obd_req_replay_queue;
struct list_head obd_lock_replay_queue;
struct lov_obd lov;
struct lmv_obd lmv;
} u;
+
/* Fields used by LProcFS */
- unsigned int obd_cntr_base;
- struct lprocfs_stats *obd_stats;
+ struct lprocfs_stats *obd_stats;
+ unsigned int obd_cntr_base;
- unsigned int obd_md_cntr_base;
- struct lprocfs_stats *obd_md_stats;
+ unsigned int obd_md_cntr_base;
+ struct lprocfs_stats *obd_md_stats;
struct proc_dir_entry *obd_proc_entry;
struct proc_dir_entry *obd_proc_exports_entry;
struct proc_dir_entry *obd_svc_procroot;
struct lprocfs_stats *obd_svc_stats;
- struct lprocfs_seq_vars *obd_vars;
+ struct lprocfs_vars *obd_vars;
atomic_t obd_evict_inprogress;
wait_queue_head_t obd_evict_inprogress_waitq;
struct list_head obd_evict_list; /* protected with pet_lock */
- /**
- * Ldlm pool part. Save last calculated SLV and Limit.
- */
- rwlock_t obd_pool_lock;
- int obd_pool_limit;
- __u64 obd_pool_slv;
-
- /**
- * A list of outstanding class_incref()'s against this obd. For
- * debugging.
- */
- struct lu_ref obd_reference;
+ /**
+ * LDLM pool part. Save last calculated SLV and Limit.
+ */
+ rwlock_t obd_pool_lock;
+ __u64 obd_pool_slv;
+ int obd_pool_limit;
- int obd_conn_inprogress;
-};
+ int obd_conn_inprogress;
-enum obd_cleanup_stage {
-/* Special case hack for MDS LOVs */
- OBD_CLEANUP_EARLY,
-/* can be directly mapped to .ldto_device_fini() */
- OBD_CLEANUP_EXPORTS,
+ /**
+ * List of outstanding class_incref()'s fo this OBD. For debugging. */
+ struct lu_ref obd_reference;
};
/* get/set_info keys */
#define KEY_ASYNC "async"
-#define KEY_CAPA_KEY "capa_key"
#define KEY_CHANGELOG_CLEAR "changelog_clear"
#define KEY_FID2PATH "fid2path"
#define KEY_CHECKSUM "checksum"
#define KEY_INTERMDS "inter_mds"
#define KEY_LAST_ID "last_id"
#define KEY_LAST_FID "last_fid"
-#define KEY_LOCK_TO_STRIPE "lock_to_stripe"
-#define KEY_LOVDESC "lovdesc"
#define KEY_MAX_EASIZE "max_easize"
#define KEY_DEFAULT_EASIZE "default_easize"
-#define KEY_MAX_COOKIESIZE "max_cookiesize"
-#define KEY_DEFAULT_COOKIESIZE "default_cookiesize"
-#define KEY_MDS_CONN "mds_conn"
#define KEY_MGSSEC "mgssec"
-#define KEY_NEXT_ID "next_id"
#define KEY_READ_ONLY "read-only"
#define KEY_REGISTER_TARGET "register_target"
#define KEY_SET_FS "set_fs"
#define KEY_TGT_COUNT "tgt_count"
/* KEY_SET_INFO in lustre_idl.h */
#define KEY_SPTLRPC_CONF "sptlrpc_conf"
-#define KEY_CONNECT_FLAG "connect_flags"
#define KEY_CACHE_SET "cache_set"
#define KEY_CACHE_LRU_SHRINK "cache_lru_shrink"
struct lu_context;
-/* /!\ must be coherent with include/linux/namei.h on patched kernel */
-#define IT_OPEN (1 << 0)
-#define IT_CREAT (1 << 1)
-#define IT_READDIR (1 << 2)
-#define IT_GETATTR (1 << 3)
-#define IT_LOOKUP (1 << 4)
-#define IT_UNLINK (1 << 5)
-#define IT_TRUNC (1 << 6)
-#define IT_GETXATTR (1 << 7)
-#define IT_EXEC (1 << 8)
-#define IT_PIN (1 << 9)
-#define IT_LAYOUT (1 << 10)
-#define IT_QUOTA_DQACQ (1 << 11)
-#define IT_QUOTA_CONN (1 << 12)
-#define IT_SETXATTR (1 << 13)
-
static inline int it_to_lock_mode(struct lookup_intent *it)
{
/* CREAT needs to be tested before open (both could be set) */
return -EINVAL;
}
+enum md_op_flags {
+ MF_MDC_CANCEL_FID1 = 1 << 0,
+ MF_MDC_CANCEL_FID2 = 1 << 1,
+ MF_MDC_CANCEL_FID3 = 1 << 2,
+ MF_MDC_CANCEL_FID4 = 1 << 3,
+ MF_GET_MDT_IDX = 1 << 4,
+};
+
+enum md_cli_flags {
+ CLI_SET_MEA = 1 << 0,
+ CLI_RM_ENTRY = 1 << 1,
+ CLI_HASH64 = 1 << 2,
+ CLI_API32 = 1 << 3,
+ CLI_MIGRATE = 1 << 4,
+};
+
struct md_op_data {
struct lu_fid op_fid1; /* operation fid1 (usualy parent) */
struct lu_fid op_fid2; /* operation fid2 (usualy child) */
struct lu_fid op_fid3; /* 2 extra fids to find conflicting */
struct lu_fid op_fid4; /* to the operation locks. */
- mdsno_t op_mds; /* what mds server open will go to */
- struct lustre_handle op_handle;
- obd_time op_mod_time;
+ u32 op_mds; /* what mds server open will go to */
+ struct lustre_handle op_handle;
+ s64 op_mod_time;
const char *op_name;
- int op_namelen;
+ size_t op_namelen;
__u32 op_mode;
struct lmv_stripe_md *op_mea1;
struct lmv_stripe_md *op_mea2;
size_t op_data_size;
/* iattr fields and blocks. */
- struct iattr op_attr;
- __u64 op_valid;
+ struct iattr op_attr;
loff_t op_attr_blocks;
+ unsigned int op_attr_flags; /* LUSTRE_{SYNC,..}_FL */
+ __u64 op_valid; /* OBD_MD_* */
- /* Size-on-MDS epoch and flags. */
- __u64 op_ioepoch;
- __u32 op_flags;
-
- /* Capa fields */
- struct obd_capa *op_capa1;
- struct obd_capa *op_capa2;
+ enum md_op_flags op_flags;
/* Various operation flags. */
enum mds_op_bias op_bias;
/* Used by readdir */
- __u32 op_npages;
+ unsigned int op_max_pages;
/* used to transfer info between the stacks of MD client
* see enum op_cli_flags */
- __u32 op_cli_flags;
+ enum md_cli_flags op_cli_flags;
/* File object data version for HSM release, on client */
__u64 op_data_version;
struct lustre_handle op_lease_handle;
-};
-#define op_stripe_offset op_ioepoch
-#define op_max_pages op_valid
+ /* default stripe offset */
+ __u32 op_default_stripe_offset;
+};
struct md_callback {
int (*md_blocking_ast)(struct ldlm_lock *lock,
int rc);
struct md_enqueue_info {
- struct md_op_data mi_data;
- struct lookup_intent mi_it;
- struct lustre_handle mi_lockh;
- struct inode *mi_dir;
- md_enqueue_cb_t mi_cb;
- __u64 mi_cbdata;
- unsigned int mi_generation;
+ struct md_op_data mi_data;
+ struct lookup_intent mi_it;
+ struct lustre_handle mi_lockh;
+ struct inode *mi_dir;
+ struct ldlm_enqueue_info mi_einfo;
+ md_enqueue_cb_t mi_cb;
+ void *mi_cbdata;
};
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)(const struct lu_env *env, struct obd_export *,
- __u32 keylen, void *key, __u32 *vallen, void *val,
- struct lov_stripe_md *lsm);
- int (*o_set_info_async)(const struct lu_env *, struct obd_export *,
- __u32 keylen, void *key,
- __u32 vallen, void *val,
- struct ptlrpc_request_set *set);
- int (*o_setup) (struct obd_device *dev, struct lustre_cfg *cfg);
- int (*o_precleanup)(struct obd_device *dev,
- enum obd_cleanup_stage cleanup_stage);
- int (*o_cleanup)(struct obd_device *dev);
- 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);
- /* connect to the target device with given connection
- * data. @ocd->ocd_connect_flags is modified to reflect flags actually
- * granted by the target, which are guaranteed to be a subset of flags
- * asked for. If @ocd == NULL, use default parameters. */
- int (*o_connect)(const struct lu_env *env,
- struct obd_export **exp, struct obd_device *src,
- struct obd_uuid *cluuid, struct obd_connect_data *ocd,
- void *localdata);
- int (*o_reconnect)(const struct lu_env *env,
- struct obd_export *exp, struct obd_device *src,
- struct obd_uuid *cluuid,
- struct obd_connect_data *ocd,
- void *localdata);
- int (*o_disconnect)(struct obd_export *exp);
+ void *karg, void __user *uarg);
+ int (*o_get_info)(const struct lu_env *env, struct obd_export *,
+ __u32 keylen, void *key, __u32 *vallen, void *val);
+ int (*o_set_info_async)(const struct lu_env *, struct obd_export *,
+ __u32 keylen, void *key,
+ __u32 vallen, void *val,
+ struct ptlrpc_request_set *set);
+ int (*o_setup) (struct obd_device *dev, struct lustre_cfg *cfg);
+ int (*o_precleanup)(struct obd_device *dev);
+ int (*o_cleanup)(struct obd_device *dev);
+ int (*o_process_config)(struct obd_device *dev, size_t 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);
+ /* connect to the target device with given connection
+ * data. @ocd->ocd_connect_flags is modified to reflect flags actually
+ * granted by the target, which are guaranteed to be a subset of flags
+ * asked for. If @ocd == NULL, use default parameters. */
+ int (*o_connect)(const struct lu_env *env,
+ struct obd_export **exp, struct obd_device *src,
+ struct obd_uuid *cluuid, struct obd_connect_data *ocd,
+ void *localdata);
+ int (*o_reconnect)(const struct lu_env *env,
+ struct obd_export *exp, struct obd_device *src,
+ struct obd_uuid *cluuid,
+ struct obd_connect_data *ocd,
+ void *localdata);
+ int (*o_disconnect)(struct obd_export *exp);
/* Initialize/finalize fids infrastructure. */
int (*o_fid_init)(struct obd_device *obd,
int (*o_fid_alloc)(const struct lu_env *env, struct obd_export *exp,
struct lu_fid *fid, struct md_op_data *op_data);
- /*
- * Object with @fid is getting deleted, we may want to do something
- * about this.
- */
- int (*o_statfs)(const struct lu_env *, struct obd_export *exp,
- struct obd_statfs *osfs, __u64 max_age, __u32 flags);
- int (*o_statfs_async)(struct obd_export *exp, struct obd_info *oinfo,
- __u64 max_age, struct ptlrpc_request_set *set);
- 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_create)(const struct lu_env *env, struct obd_export *exp,
- struct obdo *oa, struct lov_stripe_md **ea,
- struct obd_trans_info *oti);
- int (*o_destroy)(const struct lu_env *env, struct obd_export *exp,
- struct obdo *oa, struct lov_stripe_md *ea,
- struct obd_trans_info *oti, struct obd_export *md_exp,
- void *capa);
- int (*o_setattr)(const struct lu_env *, struct obd_export *exp,
- struct obd_info *oinfo, struct obd_trans_info *oti);
- int (*o_setattr_async)(struct obd_export *exp, struct obd_info *oinfo,
- struct obd_trans_info *oti,
- struct ptlrpc_request_set *rqset);
- int (*o_getattr)(const struct lu_env *env, struct obd_export *exp,
- struct obd_info *oinfo);
- int (*o_getattr_async)(struct obd_export *exp, struct obd_info *oinfo,
- struct ptlrpc_request_set *set);
- int (*o_preprw)(const struct lu_env *env, int cmd,
- struct obd_export *exp, struct obdo *oa, int objcount,
- struct obd_ioobj *obj, struct niobuf_remote *remote,
- int *nr_pages, struct niobuf_local *local,
- struct obd_trans_info *oti, struct lustre_capa *capa);
- int (*o_commitrw)(const struct lu_env *env, int cmd,
- struct obd_export *exp, struct obdo *oa,
- int objcount, struct obd_ioobj *obj,
- struct niobuf_remote *remote, int pages,
- struct niobuf_local *local,
- struct obd_trans_info *oti, int rc);
- int (*o_change_cbdata)(struct obd_export *, struct lov_stripe_md *,
- ldlm_iterator_t it, void *data);
- int (*o_find_cbdata)(struct obd_export *, struct lov_stripe_md *,
- ldlm_iterator_t it, void *data);
- 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 *obd, struct obd_llog_group *grp,
- struct obd_device *disk_obd, int *idx);
- int (*o_llog_finish)(struct obd_device *obd, int count);
-
- 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,
- enum obd_notify_event ev, void *data);
-
- int (*o_health_check)(const struct lu_env *env, struct obd_device *);
- struct obd_uuid *(*o_get_uuid) (struct obd_export *exp);
-
- /* quota methods */
- int (*o_quotacheck)(struct obd_device *, struct obd_export *,
- struct obd_quotactl *);
- int (*o_quotactl)(struct obd_device *, struct obd_export *,
- struct obd_quotactl *);
-
- int (*o_ping)(const struct lu_env *, struct obd_export *exp);
-
- /* pools methods */
- int (*o_pool_new)(struct obd_device *obd, char *poolname);
- int (*o_pool_del)(struct obd_device *obd, char *poolname);
- int (*o_pool_add)(struct obd_device *obd, char *poolname,
- char *ostname);
- int (*o_pool_rem)(struct obd_device *obd, char *poolname,
- char *ostname);
- void (*o_getref)(struct obd_device *obd);
- void (*o_putref)(struct obd_device *obd);
- /*
- * 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. */
+ /*
+ * Object with @fid is getting deleted, we may want to do something
+ * about this.
+ */
+ int (*o_statfs)(const struct lu_env *, struct obd_export *exp,
+ struct obd_statfs *osfs, __u64 max_age, __u32 flags);
+ int (*o_statfs_async)(struct obd_export *exp, struct obd_info *oinfo,
+ __u64 max_age, struct ptlrpc_request_set *set);
+ int (*o_create)(const struct lu_env *env, struct obd_export *exp,
+ struct obdo *oa);
+ int (*o_destroy)(const struct lu_env *env, struct obd_export *exp,
+ struct obdo *oa);
+ int (*o_setattr)(const struct lu_env *, struct obd_export *exp,
+ struct obdo *oa);
+ int (*o_getattr)(const struct lu_env *env, struct obd_export *exp,
+ struct obdo *oa);
+ int (*o_preprw)(const struct lu_env *env, int cmd,
+ struct obd_export *exp, struct obdo *oa, int objcount,
+ struct obd_ioobj *obj, struct niobuf_remote *remote,
+ int *nr_pages, struct niobuf_local *local);
+ int (*o_commitrw)(const struct lu_env *env, int cmd,
+ struct obd_export *exp, struct obdo *oa,
+ int objcount, struct obd_ioobj *obj,
+ struct niobuf_remote *remote, int pages,
+ struct niobuf_local *local, int rc);
+ int (*o_init_export)(struct obd_export *exp);
+ int (*o_destroy_export)(struct obd_export *exp);
+
+ 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,
+ enum obd_notify_event ev, void *data);
+
+ int (*o_health_check)(const struct lu_env *env, struct obd_device *);
+ struct obd_uuid *(*o_get_uuid) (struct obd_export *exp);
+
+ /* quota methods */
+ int (*o_quotactl)(struct obd_device *, struct obd_export *,
+ struct obd_quotactl *);
+
+ int (*o_ping)(const struct lu_env *, struct obd_export *exp);
+
+ /* pools methods */
+ int (*o_pool_new)(struct obd_device *obd, char *poolname);
+ int (*o_pool_del)(struct obd_device *obd, char *poolname);
+ int (*o_pool_add)(struct obd_device *obd, char *poolname,
+ char *ostname);
+ int (*o_pool_rem)(struct obd_device *obd, char *poolname,
+ char *ostname);
+ void (*o_getref)(struct obd_device *obd);
+ void (*o_putref)(struct obd_device *obd);
+ /*
+ * 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. */
};
/* lmv structures */
struct lustre_md {
struct mdt_body *body;
- struct lov_stripe_md *lsm;
+ struct lu_buf layout;
struct lmv_stripe_md *lmv;
#ifdef CONFIG_FS_POSIX_ACL
struct posix_acl *posix_acl;
#endif
- struct mdt_remote_perm *remote_perm;
- struct obd_capa *mds_capa;
- struct obd_capa *oss_capa;
};
struct md_open_data {
bool mod_is_create;
};
+struct obd_client_handle {
+ struct lustre_handle och_fh;
+ struct lu_fid och_fid;
+ struct md_open_data *och_mod;
+ struct lustre_handle och_lease_handle; /* open lock for lease */
+ __u32 och_magic;
+ int och_flags;
+};
+
+#define OBD_CLIENT_HANDLE_MAGIC 0xd15ea5ed
+
struct lookup_intent;
struct cl_attr;
struct md_open_data *, struct ptlrpc_request **);
int (*m_create)(struct obd_export *, struct md_op_data *,
- const void *, int, int, __u32, __u32, cfs_cap_t,
- __u64, struct ptlrpc_request **);
+ const void *, size_t, umode_t, uid_t, gid_t,
+ cfs_cap_t, __u64, struct ptlrpc_request **);
int (*m_enqueue)(struct obd_export *, struct ldlm_enqueue_info *,
const union ldlm_policy_data *,
struct ptlrpc_request **);
int (*m_rename)(struct obd_export *, struct md_op_data *,
- const char *, int, const char *, int,
+ const char *, size_t, const char *, size_t,
struct ptlrpc_request **);
int (*m_setattr)(struct obd_export *, struct md_op_data *, void *,
- int , void *, int, struct ptlrpc_request **,
- struct md_open_data **mod);
+ size_t , struct ptlrpc_request **);
int (*m_fsync)(struct obd_export *, const struct lu_fid *,
- struct obd_capa *, struct ptlrpc_request **);
+ struct ptlrpc_request **);
int (*m_read_page)(struct obd_export *, struct md_op_data *,
struct md_callback *cb_op, __u64 hash_offset,
struct ptlrpc_request **);
int (*m_setxattr)(struct obd_export *, const struct lu_fid *,
- struct obd_capa *, obd_valid, const char *,
- const char *, int, int, int, __u32,
+ u64, const char *, const char *, int, int, int, u32,
struct ptlrpc_request **);
int (*m_getxattr)(struct obd_export *, const struct lu_fid *,
- struct obd_capa *, obd_valid, const char *,
- const char *, int, int, int,
+ u64, const char *, const char *, int, int, int,
struct ptlrpc_request **);
- int (*m_intent_getattr_async)(struct obd_export *,
- struct md_enqueue_info *,
- struct ldlm_enqueue_info *);
+ int (*m_intent_getattr_async)(struct obd_export *,
+ struct md_enqueue_info *);
int (*m_revalidate_lock)(struct obd_export *, struct lookup_intent *,
struct lu_fid *, __u64 *bits);
#define MD_STATS_LAST_OP m_revalidate_lock
- int (*m_getstatus)(struct obd_export *, struct lu_fid *,
- struct obd_capa **);
-
+ int (*m_get_root)(struct obd_export *, const char *, struct lu_fid *);
int (*m_null_inode)(struct obd_export *, const struct lu_fid *);
- int (*m_find_cbdata)(struct obd_export *, const struct lu_fid *,
- ldlm_iterator_t, void *);
-
- int (*m_done_writing)(struct obd_export *, struct md_op_data *,
- struct md_open_data *);
-
int (*m_getattr_name)(struct obd_export *, struct md_op_data *,
struct ptlrpc_request **);
- int (*m_init_ea_size)(struct obd_export *, int, int, int, int);
+ int (*m_init_ea_size)(struct obd_export *, __u32, __u32);
int (*m_get_lustre_md)(struct obd_export *, struct ptlrpc_request *,
struct obd_export *, struct obd_export *,
int (*m_merge_attr)(struct obd_export *,
const struct lmv_stripe_md *lsm,
- struct cl_attr *attr);
-
- int (*m_update_lsm_md)(struct obd_export *, struct lmv_stripe_md *lsm,
- struct mdt_body *, ldlm_blocking_callback);
+ struct cl_attr *attr, ldlm_blocking_callback);
int (*m_set_open_replay_data)(struct obd_export *,
struct obd_client_handle *,
int (*m_clear_open_replay_data)(struct obd_export *,
struct obd_client_handle *);
- int (*m_set_lock_data)(struct obd_export *, __u64 *, void *, __u64 *);
+ int (*m_set_lock_data)(struct obd_export *,
+ const struct lustre_handle *, void *, __u64 *);
- ldlm_mode_t (*m_lock_match)(struct obd_export *, __u64,
- const struct lu_fid *, ldlm_type_t,
- ldlm_policy_data_t *, ldlm_mode_t,
- struct lustre_handle *);
+ enum ldlm_mode (*m_lock_match)(struct obd_export *, __u64,
+ const struct lu_fid *, enum ldlm_type,
+ union ldlm_policy_data *, enum ldlm_mode,
+ struct lustre_handle *);
int (*m_cancel_unused)(struct obd_export *, const struct lu_fid *,
- ldlm_policy_data_t *, ldlm_mode_t,
- ldlm_cancel_flags_t flags, void *opaque);
-
- int (*m_renew_capa)(struct obd_export *, struct obd_capa *oc,
- renew_capa_cb_t cb);
-
- int (*m_unpack_capa)(struct obd_export *, struct ptlrpc_request *,
- const struct req_msg_field *, struct obd_capa **);
-
- int (*m_get_remote_perm)(struct obd_export *, const struct lu_fid *,
- struct obd_capa *, __u32,
- struct ptlrpc_request **);
+ union ldlm_policy_data *, enum ldlm_mode,
+ enum ldlm_cancel_flags flags, void *opaque);
int (*m_get_fid_from_lsm)(struct obd_export *,
const struct lmv_stripe_md *,
const char *name, int namelen,
struct lu_fid *fid);
+ int (*m_unpackmd)(struct obd_export *exp, struct lmv_stripe_md **plsm,
+ const union lmv_mds_md *lmv, size_t lmv_size);
};
-struct lsm_operations {
- void (*lsm_free)(struct lov_stripe_md *);
- int (*lsm_destroy)(struct lov_stripe_md *, struct obdo *oa,
- struct obd_export *md_exp);
- void (*lsm_stripe_by_index)(struct lov_stripe_md *, int *, obd_off *,
- obd_off *);
- void (*lsm_stripe_by_offset)(struct lov_stripe_md *, int *, obd_off *,
- obd_off *);
- int (*lsm_lmm_verify) (struct lov_mds_md *lmm, int lmm_bytes,
- __u16 *stripe_count);
- int (*lsm_unpackmd) (struct lov_obd *lov, struct lov_stripe_md *lsm,
- struct lov_mds_md *lmm);
-};
-
-extern const struct lsm_operations lsm_v1_ops;
-extern const struct lsm_operations lsm_v3_ops;
-static inline const struct lsm_operations *lsm_op_find(int magic)
-{
- switch(magic) {
- case LOV_MAGIC_V1:
- return &lsm_v1_ops;
- case LOV_MAGIC_V3:
- return &lsm_v3_ops;
- default:
- CERROR("Cannot recognize lsm_magic %08x\n", magic);
- return NULL;
- }
-}
-
static inline struct md_open_data *obd_mod_alloc(void)
{
struct md_open_data *mod;
} \
})
-void obdo_from_inode(struct obdo *dst, struct inode *src, obd_flag valid);
+void obdo_from_inode(struct obdo *dst, struct inode *src, u64 valid);
void obdo_set_parent_fid(struct obdo *dst, const struct lu_fid *parent);
/* return 1 if client should be resend request */
return lu_dev->ld_obd->obd_name;
}
-static inline bool filename_is_volatile(const char *name, int namelen, int *idx)
+static inline bool filename_is_volatile(const char *name, size_t namelen,
+ int *idx)
{
const char *start;
char *end;
}
/* we have an idx, read it */
start = name + LUSTRE_VOLATILE_HDR_LEN + 1;
- *idx = strtoul(start, &end, 16);
+ *idx = simple_strtoul(start, &end, 16);
/* error cases:
* no digit, no trailing :, negative value
*/
git://git.whamcloud.com / fs / lustre-release.git / blobdiff