#ifndef __LINUX_CLASS_OBD_H
#define __LINUX_CLASS_OBD_H
+#ifndef __CLASS_OBD_H
+#error Do not #include this file directly. #include <obd_class.h> instead
+#endif
+
#ifndef __KERNEL__
#include <sys/types.h>
#include <libcfs/list.h>
#include <linux/timer.h>
#endif
-#include <linux/obd_support.h>
-#include <linux/lustre_import.h>
-#include <linux/lustre_net.h>
-#include <linux/obd.h>
-#include <linux/lustre_lib.h>
-#include <linux/lustre_idl.h>
-#include <linux/lprocfs_status.h>
-#include <linux/lustre_log.h>
-
-/* OBD Device Declarations */
-#define MAX_OBD_DEVICES 256
-extern struct obd_device obd_dev[MAX_OBD_DEVICES];
-extern spinlock_t obd_dev_lock;
-
-/* OBD Operations Declarations */
-extern struct obd_device *class_conn2obd(struct lustre_handle *);
-extern struct obd_device *class_exp2obd(struct obd_export *);
-
-/* genops.c */
-struct obd_export *class_conn2export(struct lustre_handle *);
-int class_register_type(struct obd_ops *ops, struct md_ops *md_ops,
- struct lprocfs_vars *, char *nm);
-int class_unregister_type(char *nm);
-
-struct obd_device *class_newdev(struct obd_type *type);
-void class_release_dev(struct obd_device *obd);
-
-int class_name2dev(char *name);
-struct obd_device *class_name2obd(char *name);
-int class_uuid2dev(struct obd_uuid *uuid);
-struct obd_device *class_uuid2obd(struct obd_uuid *uuid);
-struct obd_device * class_find_client_obd(struct obd_uuid *tgt_uuid,
- char * typ_name,
- struct obd_uuid *grp_uuid);
-struct obd_device * class_devices_in_group(struct obd_uuid *grp_uuid,
- int *next);
-
-int oig_init(struct obd_io_group **oig);
-void oig_add_one(struct obd_io_group *oig,
- struct oig_callback_context *occ);
-void oig_complete_one(struct obd_io_group *oig,
- struct oig_callback_context *occ, int rc);
-void oig_release(struct obd_io_group *oig);
-int oig_wait(struct obd_io_group *oig);
-
-/* obd_config.c */
-int class_process_config(struct lustre_cfg *lcfg);
-
-/* Passed as data param to class_config_parse_handler() */
-#define CFG_MODIFY_UUID_FL 0x00001
-struct config_llog_instance {
- char *cfg_instance;
- struct obd_uuid cfg_uuid;
- ptl_nid_t cfg_local_nid;
- int cfg_flags;
-};
-
-int class_config_process_llog(struct llog_ctxt *ctxt, char *name,
- struct config_llog_instance *cfg);
-int class_config_dump_llog(struct llog_ctxt *ctxt, char *name,
- struct config_llog_instance *cfg);
-
-struct lustre_profile {
- struct list_head lp_list;
- char *lp_profile;
- char *lp_lov;
- char *lp_lmv;
- char *lp_gkc;
-};
-
-struct lustre_profile *class_get_profile(char * prof);
-void class_del_profile(char *prof);
-
-#define class_export_rpc_get(exp) \
-({ \
- atomic_inc(&(exp)->exp_rpc_count); \
- CDEBUG(D_INFO, "RPC GETting export %p : new rpc_count %d\n", \
- (exp), atomic_read(&(exp)->exp_rpc_count)); \
- class_export_get(exp); \
-})
-
-#define class_export_rpc_put(exp) \
-({ \
- atomic_dec(&(exp)->exp_rpc_count); \
- CDEBUG(D_INFO, "RPC PUTting export %p : new rpc_count %d\n", \
- (exp), atomic_read(&(exp)->exp_rpc_count)); \
- class_export_put(exp); \
-})
-
-#define class_export_get(exp) \
-({ \
- struct obd_export *exp_ = exp; \
- atomic_inc(&exp_->exp_refcount); \
- CDEBUG(D_INFO, "GETting export %p : new refcount %d\n", exp_, \
- atomic_read(&exp_->exp_refcount)); \
- exp_; \
-})
-
-#define class_export_put(exp) \
-do { \
- LASSERT((exp) != NULL); \
- CDEBUG(D_INFO, "PUTting export %p : new refcount %d\n", (exp), \
- atomic_read(&(exp)->exp_refcount) - 1); \
- LASSERT(atomic_read(&(exp)->exp_refcount) > 0); \
- LASSERT(atomic_read(&(exp)->exp_refcount) < 0x5a5a5a); \
- __class_export_put(exp); \
-} while (0)
-
-void __class_export_put(struct obd_export *);
-struct obd_export *class_new_export(struct obd_device *obddev);
-void class_unlink_export(struct obd_export *exp);
-
-struct obd_import *class_import_get(struct obd_import *);
-void class_import_put(struct obd_import *);
-struct obd_import *class_new_import(void);
-void class_destroy_import(struct obd_import *exp);
-
-struct obd_type *class_get_type(char *name);
-void class_put_type(struct obd_type *type);
-int class_connect(struct lustre_handle *conn, struct obd_device *obd,
- struct obd_uuid *cluuid);
-int class_disconnect(struct obd_export *exp, unsigned long flags);
-void class_disconnect_exports(struct obd_device *, unsigned long);
-int class_disconnect_stale_exports(struct obd_device *,
- int (*test_export)(struct obd_export *),
- unsigned long);
-
-/* generic operations shared by various OBD types */
-int class_multi_setup(struct obd_device *obddev, uint32_t len, void *data);
-int class_multi_cleanup(struct obd_device *obddev);
+void obd_zombie_impexp_init(void);
+void obd_zombie_impexp_cull(void);
+extern void (*obd_zombie_impexp_notify)(void);
/* obdo.c */
#ifdef __KERNEL__
void obdo_from_iattr(struct obdo *oa, struct iattr *attr, unsigned ia_valid);
-void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_valid valid);
-void obdo_from_inode(struct obdo *dst, struct inode *src, obd_valid valid);
-void obdo_refresh_inode(struct inode *dst, struct obdo *src, obd_valid valid);
-void obdo_to_inode(struct inode *dst, struct obdo *src, obd_valid valid);
-#endif
-void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_valid valid);
-int obdo_cmp_md(struct obdo *dst, struct obdo *src, obd_valid compare);
-void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
-
-#define OBT(dev) (dev)->obd_type
-#define OBP(dev, op) (dev)->obd_type->typ_ops->o_ ## op
-#define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
-#define CTXTP(ctxt, op) (ctxt)->loc_logops->lop_##op
-
-/* Ensure obd_setup: used for cleanup which must be called
- while obd is stopping */
-#define OBD_CHECK_DEV(obd) \
-do { \
- if (!(obd)) { \
- CERROR("NULL device\n"); \
- RETURN(-ENODEV); \
- } \
-} while (0)
-
-#define OBD_CHECK_DEV_STOPPING(obd) \
-do { \
- OBD_CHECK_DEV(obd); \
- if (!(obd)->obd_set_up) { \
- CERROR("Device %d not setup\n", \
- (obd)->obd_minor); \
- RETURN(-ENODEV); \
- } \
- \
- if (!(obd)->obd_stopping) { \
- CERROR("Device %d not stopping\n", \
- (obd)->obd_minor); \
- RETURN(-ENODEV); \
- } \
-} while (0)
-
-/* ensure obd_setup and !obd_stopping */
-#define OBD_CHECK_DEV_ACTIVE(obd) \
-do { \
- OBD_CHECK_DEV(obd); \
- if (!(obd)->obd_set_up || (obd)->obd_stopping) { \
- CERROR("Device %d not setup\n", \
- (obd)->obd_minor); \
- RETURN(-ENODEV); \
- } \
-} while (0)
-
-
-#ifdef LPROCFS
-#define OBD_COUNTER_OFFSET(op) \
- ((offsetof(struct obd_ops, o_ ## op) - \
- offsetof(struct obd_ops, o_iocontrol)) \
- / sizeof(((struct obd_ops *)(0))->o_iocontrol))
-
-#define OBD_COUNTER_INCREMENT(obd, op) \
- if ((obd)->obd_stats != NULL) { \
- unsigned int coffset; \
- coffset = (unsigned int)(obd)->obd_cntr_base + \
- OBD_COUNTER_OFFSET(op); \
- LASSERT(coffset < (obd)->obd_stats->ls_num); \
- lprocfs_counter_incr((obd)->obd_stats, coffset);\
- }
-
-#define MD_COUNTER_OFFSET(op) \
- ((offsetof(struct md_ops, m_ ## op) - \
- offsetof(struct md_ops, m_getstatus)) \
- / sizeof(((struct md_ops *)(0))->m_getstatus))
-
-#define MD_COUNTER_INCREMENT(obd, op) \
- if ((obd)->md_stats != NULL) { \
- unsigned int coffset; \
- coffset = (unsigned int)(obd)->md_cntr_base + \
- MD_COUNTER_OFFSET(op); \
- LASSERT(coffset < (obd)->md_stats->ls_num); \
- lprocfs_counter_incr((obd)->md_stats, coffset); \
- }
-
-#else
-#define OBD_COUNTER_OFFSET(op)
-#define OBD_COUNTER_INCREMENT(obd, op)
-#define MD_COUNTER_INCREMENT(obd, op)
+void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid);
+void obdo_from_inode(struct obdo *dst, struct inode *src, obd_flag valid);
+void obdo_refresh_inode(struct inode *dst, struct obdo *src, obd_flag valid);
+void obdo_to_inode(struct inode *dst, struct obdo *src, obd_flag valid);
#endif
-#define OBD_CHECK_MD_OP(obd, op, err) \
-do { \
- if (!OBT(obd) || !MDP((obd), op)) {\
- if (err) \
- CERROR("md_" #op ": dev %s/%d no operation\n", \
- obd->obd_name, obd->obd_minor); \
- RETURN(err); \
- } \
-} while (0)
-
-#define EXP_CHECK_MD_OP(exp, op) \
-do { \
- if ((exp) == NULL) { \
- CERROR("obd_" #op ": NULL export\n"); \
- portals_debug_dumplog(); \
- RETURN(-ENODEV); \
- } \
- if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
- CERROR("obd_" #op ": cleaned up obd\n"); \
- RETURN(-EOPNOTSUPP); \
- } \
- if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
- CERROR("obd_" #op ": dev %s/%d no operation\n", \
- (exp)->exp_obd->obd_name, \
- (exp)->exp_obd->obd_minor); \
- RETURN(-EOPNOTSUPP); \
- } \
-} while (0)
-
-#define OBD_CHECK_OP(obd, op, err) \
-do { \
- if (!OBT(obd) || !OBP((obd), op)) {\
- if (err) \
- CERROR("obd_" #op ": dev %s/%d no operation\n", \
- obd->obd_name, obd->obd_minor); \
- RETURN(err); \
- } \
-} while (0)
-
-#define EXP_CHECK_OP(exp, op) \
-do { \
- if ((exp) == NULL) { \
- CERROR("obd_" #op ": NULL export\n"); \
- portals_debug_dumplog(); \
- RETURN(-ENODEV); \
- } \
- if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
- CERROR("obd_" #op ": cleaned up obd\n"); \
- RETURN(-EOPNOTSUPP); \
- } \
- if (!OBT((exp)->exp_obd) || !OBP((exp)->exp_obd, op)) { \
- CERROR("obd_" #op ": dev %s/%d no operation\n", \
- (exp)->exp_obd->obd_name, \
- (exp)->exp_obd->obd_minor); \
- RETURN(-EOPNOTSUPP); \
- } \
-} while (0)
-
-#define CTXT_CHECK_OP(ctxt, op, err) \
-do { \
- if (!OBT(ctxt->loc_obd) || !CTXTP((ctxt), op)) { \
- if (err) \
- CERROR("lop_" #op ": dev %d no operation\n", \
- ctxt->loc_obd->obd_minor); \
- RETURN(err); \
- } \
-} while (0)
-
-static inline int obd_get_info(struct obd_export *exp, __u32 keylen,
- void *key, __u32 *vallen, void *val)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, get_info);
- OBD_COUNTER_INCREMENT(exp->exp_obd, get_info);
-
- rc = OBP(exp->exp_obd, get_info)(exp, keylen, key, vallen, val);
- RETURN(rc);
-}
-
-static inline int obd_set_info(struct obd_export *exp, obd_count keylen,
- void *key, obd_count vallen, void *val)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, set_info);
- OBD_COUNTER_INCREMENT(exp->exp_obd, set_info);
-
- rc = OBP(exp->exp_obd, set_info)(exp, keylen, key, vallen, val);
- RETURN(rc);
-}
-
-static inline int obd_setup(struct obd_device *obd, int datalen, void *data)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_OP(obd, setup, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(obd, setup);
-
- rc = OBP(obd, setup)(obd, datalen, data);
- RETURN(rc);
-}
-
-static inline int obd_precleanup(struct obd_device *obd, int flags)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_OP(obd, precleanup, 0);
- OBD_COUNTER_INCREMENT(obd, precleanup);
-
- rc = OBP(obd, precleanup)(obd, flags);
- RETURN(rc);
-}
-
-static inline int obd_cleanup(struct obd_device *obd, int flags)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_DEV_STOPPING(obd);
- OBD_CHECK_OP(obd, cleanup, 0);
- OBD_COUNTER_INCREMENT(obd, cleanup);
-
- rc = OBP(obd, cleanup)(obd, flags);
- RETURN(rc);
-}
-
-static inline int
-obd_process_config(struct obd_device *obd, int datalen, void *data)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_OP(obd, process_config, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(obd, process_config);
-
- rc = OBP(obd, process_config)(obd, datalen, data);
- RETURN(rc);
-}
-
-/* Pack an in-memory MD struct for storage on disk.
- * Returns +ve size of packed MD (0 for free), or -ve error.
- *
- * If @disk_tgt == NULL, MD size is returned (max size if @mem_src == NULL).
- * If @*disk_tgt != NULL and @mem_src == NULL, @*disk_tgt will be freed.
- * If @*disk_tgt == NULL, it will be allocated
- */
-static inline int obd_packmd(struct obd_export *exp,
- struct lov_mds_md **disk_tgt,
- struct lov_stripe_md *mem_src)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, packmd);
- OBD_COUNTER_INCREMENT(exp->exp_obd, packmd);
-
- rc = OBP(exp->exp_obd, packmd)(exp, disk_tgt, mem_src);
- RETURN(rc);
-}
-
-static inline int obd_size_diskmd(struct obd_export *exp,
- struct lov_stripe_md *mem_src)
-{
- return obd_packmd(exp, NULL, mem_src);
-}
-
-/* helper functions */
-static inline int obd_alloc_diskmd(struct obd_export *exp,
- struct lov_mds_md **disk_tgt)
-{
- LASSERT(disk_tgt);
- LASSERT(*disk_tgt == NULL);
- return obd_packmd(exp, disk_tgt, NULL);
-}
-
-static inline int obd_free_diskmd(struct obd_export *exp,
- struct lov_mds_md **disk_tgt)
-{
- LASSERT(disk_tgt);
- LASSERT(*disk_tgt);
- return obd_packmd(exp, disk_tgt, NULL);
-}
-
-/* Unpack an MD struct from disk to in-memory format.
- * Returns +ve size of unpacked MD (0 for free), or -ve error.
- *
- * If @mem_tgt == NULL, MD size is returned (max size if @disk_src == NULL).
- * If @*mem_tgt != NULL and @disk_src == NULL, @*mem_tgt will be freed.
- * If @*mem_tgt == NULL, it will be allocated
- */
-static inline int obd_unpackmd(struct obd_export *exp,
- struct lov_stripe_md **mem_tgt,
- struct lov_mds_md *disk_src,
- int disk_len)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, unpackmd);
- OBD_COUNTER_INCREMENT(exp->exp_obd, unpackmd);
-
- rc = OBP(exp->exp_obd, unpackmd)(exp, mem_tgt, disk_src, disk_len);
- RETURN(rc);
-}
-
-/* helper functions */
-static inline int obd_alloc_memmd(struct obd_export *exp,
- struct lov_stripe_md **mem_tgt)
-{
- LASSERT(mem_tgt);
- LASSERT(*mem_tgt == NULL);
- return obd_unpackmd(exp, mem_tgt, NULL, 0);
-}
-
-static inline int obd_free_memmd(struct obd_export *exp,
- struct lov_stripe_md **mem_tgt)
-{
- LASSERT(mem_tgt);
- LASSERT(*mem_tgt);
- return obd_unpackmd(exp, mem_tgt, NULL, 0);
-}
-
-static inline int obd_revalidate_md(struct obd_export *exp, struct obdo *obdo,
- struct lov_stripe_md *ea,
- struct obd_trans_info *oti)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, revalidate_md);
- OBD_COUNTER_INCREMENT(exp->exp_obd, revalidate_md);
-
- rc = OBP(exp->exp_obd, revalidate_md)(exp, obdo, ea, oti);
- RETURN(rc);
-}
-
-static inline int obd_create(struct obd_export *exp, struct obdo *obdo,
- void *acl, int acl_size,
- struct lov_stripe_md **ea,
- struct obd_trans_info *oti)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, create);
- OBD_COUNTER_INCREMENT(exp->exp_obd, create);
-
- rc = OBP(exp->exp_obd, create)(exp, obdo, acl, acl_size, ea, oti);
- RETURN(rc);
-}
-
-static inline int obd_destroy(struct obd_export *exp, struct obdo *obdo,
- struct lov_stripe_md *ea,
- struct obd_trans_info *oti)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, destroy);
- OBD_COUNTER_INCREMENT(exp->exp_obd, destroy);
-
- rc = OBP(exp->exp_obd, destroy)(exp, obdo, ea, oti);
- RETURN(rc);
-}
-
-static inline int obd_getattr(struct obd_export *exp, struct obdo *obdo,
- struct lov_stripe_md *ea)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, getattr);
- OBD_COUNTER_INCREMENT(exp->exp_obd, getattr);
-
- rc = OBP(exp->exp_obd, getattr)(exp, obdo, ea);
- RETURN(rc);
-}
-
-static inline int obd_getattr_async(struct obd_export *exp,
- struct obdo *obdo, struct lov_stripe_md *ea,
- struct ptlrpc_request_set *set)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, getattr);
- OBD_COUNTER_INCREMENT(exp->exp_obd, getattr);
-
- rc = OBP(exp->exp_obd, getattr_async)(exp, obdo, ea, set);
- RETURN(rc);
-}
-
-static inline int obd_setattr(struct obd_export *exp, struct obdo *obdo,
- struct lov_stripe_md *ea,
- struct obd_trans_info *oti,
- struct lustre_capa *capa)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, setattr);
- OBD_COUNTER_INCREMENT(exp->exp_obd, setattr);
-
- rc = OBP(exp->exp_obd, setattr)(exp, obdo, ea, oti, capa);
- RETURN(rc);
-}
-static inline int obd_add_conn(struct obd_import *imp, struct obd_uuid *uuid,
- int priority)
-{
- struct obd_device *obd = imp->imp_obd;
- int rc;
- ENTRY;
-
- OBD_CHECK_DEV_ACTIVE(obd);
- OBD_CHECK_OP(obd, add_conn, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(obd, add_conn);
-
- rc = OBP(obd, add_conn)(imp, uuid, priority);
- RETURN(rc);
-}
-
-static inline int obd_del_conn(struct obd_import *imp,
- struct obd_uuid *uuid)
-{
- struct obd_device *obd = imp->imp_obd;
- int rc;
- ENTRY;
-
- OBD_CHECK_DEV_ACTIVE(obd);
- OBD_CHECK_OP(obd, del_conn, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(obd, del_conn);
-
- rc = OBP(obd, del_conn)(imp, uuid);
- RETURN(rc);
-}
-
-
-static inline int obd_connect(struct lustre_handle *conn,
- struct obd_device *obd,
- struct obd_uuid *cluuid,
- struct obd_connect_data *data,
- unsigned long flags)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_DEV_ACTIVE(obd);
- OBD_CHECK_OP(obd, connect, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(obd, connect);
-
- rc = OBP(obd, connect)(conn, obd, cluuid, data, flags);
- RETURN(rc);
-}
-
-static inline int obd_connect_post(struct obd_export *exp,
- unsigned initial,
- unsigned long flags)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_DEV_ACTIVE(exp->exp_obd);
- if (!OBT(exp->exp_obd) || !OBP((exp->exp_obd), connect_post))
- RETURN(0);
- OBD_COUNTER_INCREMENT(exp->exp_obd, connect_post);
- rc = OBP(exp->exp_obd, connect_post)(exp, initial, flags);
- RETURN(rc);
-}
-
-static inline int obd_disconnect(struct obd_export *exp,
- unsigned long flags)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, disconnect);
- OBD_COUNTER_INCREMENT(exp->exp_obd, disconnect);
-
- rc = OBP(exp->exp_obd, disconnect)(exp, flags);
- RETURN(rc);
-}
-
-static inline int obd_init_export(struct obd_export *exp)
-{
- int rc = 0;
-
- ENTRY;
- if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
- OBP((exp)->exp_obd, init_export))
- rc = OBP(exp->exp_obd, init_export)(exp);
- RETURN(rc);
-}
-
-static inline int obd_destroy_export(struct obd_export *exp)
-{
- ENTRY;
- if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
- OBP((exp)->exp_obd, destroy_export))
- OBP(exp->exp_obd, destroy_export)(exp);
- RETURN(0);
-}
-
-static inline struct dentry *
-obd_lvfs_id2dentry(struct obd_export *exp, __u64 ino,
- __u32 gen, __u64 gr)
-{
- LASSERT(exp->exp_obd);
-
- return lvfs_id2dentry(&exp->exp_obd->obd_lvfs_ctxt,
- ino, gen, gr, exp->exp_obd);
-}
-
-#ifndef time_before
-#define time_before(t1, t2) ((long)t2 - (long)t1 > 0)
-#endif
-
-/* @max_age is the oldest time in jiffies that we accept using a cached data.
- * If the cache is older than @max_age we will get a new value from the
- * target. Use a value of "jiffies + HZ" to guarantee freshness. */
-static inline int obd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
- unsigned long max_age)
-{
- int rc = 0;
- ENTRY;
-
- if (obd == NULL)
- RETURN(-EINVAL);
-
- OBD_CHECK_OP(obd, statfs, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(obd, statfs);
-
- CDEBUG(D_SUPER, "osfs %lu, max_age %lu\n", obd->obd_osfs_age, max_age);
- if (time_before(obd->obd_osfs_age, max_age)) {
- rc = OBP(obd, statfs)(obd, osfs, max_age);
- if (rc == 0) {
- spin_lock(&obd->obd_osfs_lock);
- memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
- obd->obd_osfs_age = jiffies;
- spin_unlock(&obd->obd_osfs_lock);
- }
- } else {
- CDEBUG(D_SUPER, "using cached obd_statfs data\n");
- spin_lock(&obd->obd_osfs_lock);
- memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
- spin_unlock(&obd->obd_osfs_lock);
- }
- RETURN(rc);
-}
-
-static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, obd_size start,
- obd_size end)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_OP(exp->exp_obd, sync, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(exp->exp_obd, sync);
-
- rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end);
- RETURN(rc);
-}
-
-static inline int obd_punch(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, obd_size start,
- obd_size end, struct obd_trans_info *oti,
- struct lustre_capa *capa)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, punch);
- OBD_COUNTER_INCREMENT(exp->exp_obd, punch);
-
- rc = OBP(exp->exp_obd, punch)(exp, oa, ea, start, end, oti, capa);
- RETURN(rc);
-}
-
-static inline int obd_brw(int cmd, struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, obd_count oa_bufs,
- struct brw_page *pg, struct obd_trans_info *oti)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, brw);
- OBD_COUNTER_INCREMENT(exp->exp_obd, brw);
-
- if (!(cmd & (OBD_BRW_RWMASK | OBD_BRW_CHECK))) {
- CERROR("obd_brw: cmd must be OBD_BRW_READ, OBD_BRW_WRITE, "
- "or OBD_BRW_CHECK\n");
- LBUG();
- }
-
- rc = OBP(exp->exp_obd, brw)(cmd, exp, oa, ea, oa_bufs, pg, oti);
- RETURN(rc);
-}
-
-static inline int obd_brw_async(int cmd, struct obd_export *exp,
- struct obdo *oa, struct lov_stripe_md *ea,
- obd_count oa_bufs, struct brw_page *pg,
- struct ptlrpc_request_set *set,
- struct obd_trans_info *oti)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, brw_async);
- OBD_COUNTER_INCREMENT(exp->exp_obd, brw_async);
-
- if (!(cmd & OBD_BRW_RWMASK)) {
- CERROR("obd_brw: cmd must be OBD_BRW_READ or OBD_BRW_WRITE\n");
- LBUG();
- }
-
- rc = OBP(exp->exp_obd, brw_async)(cmd, exp, oa, ea, oa_bufs, pg, set,
- oti);
- RETURN(rc);
-}
-
-static inline int obd_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 ret;
- ENTRY;
-
- OBD_CHECK_OP(exp->exp_obd, prep_async_page, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(exp->exp_obd, prep_async_page);
-
- ret = OBP(exp->exp_obd, prep_async_page)(exp, lsm, loi, page, offset,
- ops, data, res);
- RETURN(ret);
-}
-
-static inline int obd_queue_async_io(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, void *cookie,
- int cmd, obd_off off, int count,
- obd_flags brw_flags, obd_flags async_flags)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_OP(exp->exp_obd, queue_async_io, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(exp->exp_obd, queue_async_io);
- LASSERT(cmd & OBD_BRW_RWMASK);
-
- rc = OBP(exp->exp_obd, queue_async_io)(exp, lsm, loi, cookie, cmd, off,
- count, brw_flags, async_flags);
- RETURN(rc);
-}
-
-static inline int obd_set_async_flags(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, void *cookie,
- obd_flags async_flags)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_OP(exp->exp_obd, set_async_flags, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(exp->exp_obd, set_async_flags);
-
- rc = OBP(exp->exp_obd, set_async_flags)(exp, lsm, loi, cookie,
- async_flags);
- RETURN(rc);
-}
-
-static inline int obd_queue_group_io(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi,
- struct obd_io_group *oig,
- void *cookie, int cmd, obd_off off,
- int count, obd_flags brw_flags,
- obd_flags async_flags)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_OP(exp->exp_obd, queue_group_io, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(exp->exp_obd, queue_group_io);
- LASSERT(cmd & OBD_BRW_RWMASK);
-
- rc = OBP(exp->exp_obd, queue_group_io)(exp, lsm, loi, oig, cookie,
- cmd, off, count, brw_flags,
- async_flags);
- RETURN(rc);
-}
-
-static inline int obd_trigger_group_io(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi,
- struct obd_io_group *oig)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_OP(exp->exp_obd, trigger_group_io, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(exp->exp_obd, trigger_group_io);
-
- rc = OBP(exp->exp_obd, trigger_group_io)(exp, lsm, loi, oig);
- RETURN(rc);
-}
-
-static inline int obd_teardown_async_page(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, void *cookie)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_OP(exp->exp_obd, teardown_async_page, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(exp->exp_obd, teardown_async_page);
-
- rc = OBP(exp->exp_obd, teardown_async_page)(exp, lsm, loi, cookie);
- RETURN(rc);
-}
-
-static inline int obd_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
- int objcount, struct obd_ioobj *obj,
- int niocount, struct niobuf_remote *remote,
- struct niobuf_local *local,
- struct obd_trans_info *oti,
- struct lustre_capa *capa)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_OP(exp->exp_obd, preprw, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(exp->exp_obd, preprw);
-
- rc = OBP(exp->exp_obd, preprw)(cmd, exp, oa, objcount, obj, niocount,
- remote, local, oti, capa);
- RETURN(rc);
-}
-
-static inline int obd_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
- int objcount, struct obd_ioobj *obj,
- int niocount, struct niobuf_local *local,
- struct obd_trans_info *oti, int rc)
-{
- ENTRY;
-
- OBD_CHECK_OP(exp->exp_obd, commitrw, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(exp->exp_obd, commitrw);
-
- rc = OBP(exp->exp_obd, commitrw)(cmd, exp, oa, objcount, obj, niocount,
- local, oti, rc);
- RETURN(rc);
-}
-
-static inline int obd_do_cow(struct obd_export *exp, struct obd_ioobj *obj,
- int objcount,struct niobuf_remote *rnb)
-{
- int rc;
- ENTRY;
-
- /* there are cases when write_extents is not implemented. */
- if (!OBP(exp->exp_obd, do_cow))
- RETURN(0);
-
- OBD_COUNTER_INCREMENT(exp->exp_obd, do_cow);
-
- rc = OBP(exp->exp_obd, do_cow)(exp, obj, objcount, rnb);
-
- RETURN(rc);
-}
-
-static inline int obd_write_extents(struct obd_export *exp,
- struct obd_ioobj *obj,
- int objcount, int niocount,
- struct niobuf_local *local,
- int rc)
-{
- ENTRY;
-
- /* there are cases when write_extents is not implemented. */
- if (!OBP(exp->exp_obd, write_extents))
- RETURN(0);
-
- OBD_COUNTER_INCREMENT(exp->exp_obd, write_extents);
-
- rc = OBP(exp->exp_obd, write_extents)(exp, obj, objcount, niocount,
- local, rc);
- RETURN(rc);
-}
-
-static inline int obd_adjust_kms(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- obd_off size, int shrink)
-{
- int rc;
- ENTRY;
-
- OBD_CHECK_OP(exp->exp_obd, adjust_kms, -EOPNOTSUPP);
- OBD_COUNTER_INCREMENT(exp->exp_obd, adjust_kms);
-
- rc = OBP(exp->exp_obd, adjust_kms)(exp, lsm, size, shrink);
- RETURN(rc);
-}
-
-static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp,
- int len, void *karg, void *uarg)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, iocontrol);
- OBD_COUNTER_INCREMENT(exp->exp_obd, iocontrol);
-
- rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
- RETURN(rc);
-}
-
-static inline int obd_enqueue(struct obd_export *exp, struct lov_stripe_md *ea,
- __u32 type, ldlm_policy_data_t *policy,
- __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 rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, enqueue);
- OBD_COUNTER_INCREMENT(exp->exp_obd, enqueue);
-
- rc = OBP(exp->exp_obd, enqueue)(exp, ea, type, policy, mode, flags,
- bl_cb, cp_cb, gl_cb, data, lvb_len,
- lvb_swabber, lockh);
- RETURN(rc);
-}
-
-static inline int obd_match(struct obd_export *exp, struct lov_stripe_md *ea,
- __u32 type, ldlm_policy_data_t *policy, __u32 mode,
- int *flags, void *data, struct lustre_handle *lockh)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, match);
- OBD_COUNTER_INCREMENT(exp->exp_obd, match);
-
- rc = OBP(exp->exp_obd, match)(exp, ea, type, policy, mode, flags, data,
- lockh);
- RETURN(rc);
-}
-
-static inline int obd_change_cbdata(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- ldlm_iterator_t it, void *data)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, change_cbdata);
- OBD_COUNTER_INCREMENT(exp->exp_obd, change_cbdata);
-
- rc = OBP(exp->exp_obd, change_cbdata)(exp, lsm, it, data);
- RETURN(rc);
-}
-
-static inline int obd_cancel(struct obd_export *exp,
- struct lov_stripe_md *ea, __u32 mode,
- struct lustre_handle *lockh)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, cancel);
- OBD_COUNTER_INCREMENT(exp->exp_obd, cancel);
-
- rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
- RETURN(rc);
-}
-
-static inline int obd_cancel_unused(struct obd_export *exp,
- struct lov_stripe_md *ea, int flags,
- void *opaque)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_OP(exp, cancel_unused);
- OBD_COUNTER_INCREMENT(exp->exp_obd, cancel_unused);
-
- rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
- RETURN(rc);
-}
-
-
-static inline int obd_san_preprw(int cmd, struct obd_export *exp,
- struct obdo *oa,
- int objcount, struct obd_ioobj *obj,
- int niocount, struct niobuf_remote *remote)
-{
- int rc;
-
- EXP_CHECK_OP(exp, preprw);
- OBD_COUNTER_INCREMENT(exp->exp_obd, preprw);
-
- rc = OBP(exp->exp_obd, san_preprw)(cmd, exp, oa, objcount, obj,
- niocount, remote);
- class_export_put(exp);
- return(rc);
-}
-
-static inline int obd_pin(struct obd_export *exp, obd_id ino, __u32 gen,
- int type, struct obd_client_handle *handle, int flag)
-{
- int rc;
-
- EXP_CHECK_OP(exp, pin);
- OBD_COUNTER_INCREMENT(exp->exp_obd, pin);
-
- rc = OBP(exp->exp_obd, pin)(exp, ino, gen, type, handle, flag);
- return(rc);
-}
-
-static inline int obd_unpin(struct obd_export *exp,
- struct obd_client_handle *handle, int flag)
-{
- int rc;
-
- EXP_CHECK_OP(exp, unpin);
- OBD_COUNTER_INCREMENT(exp->exp_obd, unpin);
-
- rc = OBP(exp->exp_obd, unpin)(exp, handle, flag);
- return(rc);
-}
-
-
-static inline void obd_import_event(struct obd_device *obd,
- struct obd_import *imp,
- enum obd_import_event event)
-{
- if (!obd) {
- CERROR("NULL device\n");
- EXIT;
- return;
- }
- if (obd->obd_set_up && OBP(obd, import_event)) {
- OBD_COUNTER_INCREMENT(obd, import_event);
- OBP(obd, import_event)(obd, imp, event);
- }
-}
-
-static inline int obd_llog_connect(struct obd_export *exp,
- struct llogd_conn_body *body)
-{
- ENTRY;
- EXP_CHECK_OP(exp, llog_connect);
- return OBP(exp->exp_obd, llog_connect)(exp, body);
-}
-
-static inline int obd_notify(struct obd_device *obd, struct obd_device *watched,
- int active, void *data)
-{
- OBD_CHECK_DEV(obd);
- if (!obd->obd_set_up) {
- CERROR("obd %s not set up\n", obd->obd_name);
- return -EINVAL;
- }
-
- if (!OBP(obd, notify)) {
- CERROR("obd %s has no notify handler\n", obd->obd_name);
- return -ENOSYS;
- }
-
- OBD_COUNTER_INCREMENT(obd, notify);
- return OBP(obd, notify)(obd, watched, active, data);
-}
-
-static inline int obd_register_observer(struct obd_device *obd,
- struct obd_device *observer)
-{
- ENTRY;
- OBD_CHECK_DEV(obd);
- if (obd->obd_observer && observer)
- RETURN(-EALREADY);
- obd->obd_observer = observer;
- RETURN(0);
-}
-
-static inline int obd_init_ea_size(struct obd_export *exp, int size, int size2)
-{
- int rc;
- ENTRY;
- LASSERT(OBP(exp->exp_obd, init_ea_size) != NULL);
- OBD_COUNTER_INCREMENT(exp->exp_obd, init_ea_size);
- rc = OBP(exp->exp_obd, init_ea_size)(exp, size, size2);
- RETURN(rc);
-}
-
-static inline int md_getstatus(struct obd_export *exp, struct lustre_id *id)
-{
- int rc;
-
- EXP_CHECK_MD_OP(exp, getstatus);
- MD_COUNTER_INCREMENT(exp->exp_obd, getstatus);
- rc = MDP(exp->exp_obd, getstatus)(exp, id);
- RETURN(rc);
-}
-
-static inline int md_delete_inode(struct obd_export *exp,
- struct lustre_id *id)
-{
- int rc;
- ENTRY;
-
- if (MDP(exp->exp_obd, delete_inode) == NULL)
- RETURN(0);
-
- MD_COUNTER_INCREMENT(exp->exp_obd, delete_inode);
- rc = MDP(exp->exp_obd, delete_inode)(exp, id);
- RETURN(rc);
-}
-
-static inline int md_getattr(struct obd_export *exp, struct lustre_id *id,
- __u64 valid, const char *xattr_name,
- const void *xattr_data, unsigned int xattr_datalen,
- unsigned int ea_size, struct obd_capa *ocapa,
- struct ptlrpc_request **request)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, getattr);
- MD_COUNTER_INCREMENT(exp->exp_obd, getattr);
- rc = MDP(exp->exp_obd, getattr)(exp, id, valid, xattr_name,
- xattr_data, xattr_datalen,
- ea_size, ocapa, request);
- RETURN(rc);
-}
-
-static inline int md_access_check(struct obd_export *exp, struct lustre_id *id,
- struct ptlrpc_request **request)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, access_check);
- MD_COUNTER_INCREMENT(exp->exp_obd, access_check);
- rc = MDP(exp->exp_obd, access_check)(exp, id, request);
- RETURN(rc);
-}
-
-static inline int md_change_cbdata(struct obd_export *exp, struct lustre_id *id,
- ldlm_iterator_t it, void *data)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, change_cbdata);
- MD_COUNTER_INCREMENT(exp->exp_obd, change_cbdata);
- rc = MDP(exp->exp_obd, change_cbdata)(exp, id, it, data);
- RETURN(rc);
-}
-
-static inline int md_change_cbdata_name(struct obd_export *exp,
- struct lustre_id *id, char *name,
- int namelen, struct lustre_id *id2,
- ldlm_iterator_t it, void *data)
-{
- int rc;
-
- /* this seem to be needed only for lmv. */
- if (!MDP(exp->exp_obd, change_cbdata_name))
- return 0;
-
- ENTRY;
-
- MD_COUNTER_INCREMENT(exp->exp_obd, change_cbdata_name);
- rc = MDP(exp->exp_obd, change_cbdata_name)(exp, id, name, namelen,
- id2, it, data);
- RETURN(rc);
-}
-
-static inline int md_close(struct obd_export *exp,
- struct mdc_op_data *op_data,
- struct obd_client_handle *och,
- struct ptlrpc_request **request)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, close);
- MD_COUNTER_INCREMENT(exp->exp_obd, close);
- rc = MDP(exp->exp_obd, close)(exp, op_data, och, request);
- RETURN(rc);
-}
-
-static inline int md_create(struct obd_export *exp, struct mdc_op_data *op_data,
- const void *data, int datalen, int mode,
- __u32 uid, __u32 gid, __u64 rdev,
- struct ptlrpc_request **request)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, create);
- MD_COUNTER_INCREMENT(exp->exp_obd, create);
- rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
- uid, gid, rdev, request);
- RETURN(rc);
-}
-
-static inline int md_done_writing(struct obd_export *exp, struct obdo *obdo)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, done_writing);
- MD_COUNTER_INCREMENT(exp->exp_obd, done_writing);
- rc = MDP(exp->exp_obd, done_writing)(exp, obdo);
- RETURN(rc);
-}
-
-static inline int md_enqueue(struct obd_export *exp, int lock_type,
- struct lookup_intent *it, int lock_mode,
- struct mdc_op_data *data,
- struct lustre_handle *lockh,
- void *lmm, int lmmsize,
- ldlm_completion_callback cb_completion,
- ldlm_blocking_callback cb_blocking,
- void *cb_data)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, enqueue);
- MD_COUNTER_INCREMENT(exp->exp_obd, enqueue);
- rc = MDP(exp->exp_obd, enqueue)(exp, lock_type, it, lock_mode,
- data, lockh, lmm, lmmsize,
- cb_completion, cb_blocking,
- cb_data);
- RETURN(rc);
-}
-
-static inline int md_getattr_lock(struct obd_export *exp, struct lustre_id *id,
- char *filename, int namelen,
- __u64 valid, unsigned int ea_size,
- struct ptlrpc_request **request)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, getattr_lock);
- MD_COUNTER_INCREMENT(exp->exp_obd, getattr_lock);
- rc = MDP(exp->exp_obd, getattr_lock)(exp, id, filename, namelen,
- valid, ea_size, request);
- RETURN(rc);
-}
-
-static inline int md_intent_lock(struct obd_export *exp,
- struct lustre_id *pid, const char *name,
- int len, void *lmm, int lmmsize,
- struct lustre_id *cid,
- struct lookup_intent *it,
- int flags, struct ptlrpc_request **reqp,
- ldlm_blocking_callback cb_blocking)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, intent_lock);
- MD_COUNTER_INCREMENT(exp->exp_obd, intent_lock);
- rc = MDP(exp->exp_obd, intent_lock)(exp, pid, name, len, lmm,
- lmmsize, cid, it, flags,
- reqp, cb_blocking);
- RETURN(rc);
-}
-
-static inline int md_link(struct obd_export *exp, struct mdc_op_data *data,
- struct ptlrpc_request **request)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, link);
- MD_COUNTER_INCREMENT(exp->exp_obd, link);
- rc = MDP(exp->exp_obd, link)(exp, data, request);
- RETURN(rc);
-}
-
-static inline int md_rename(struct obd_export *exp, struct mdc_op_data *data,
- const char *old, int oldlen,
- const char *new, int newlen,
- struct ptlrpc_request **request)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, rename);
- MD_COUNTER_INCREMENT(exp->exp_obd, rename);
- rc = MDP(exp->exp_obd, rename)(exp, data, old, oldlen, new,
- newlen, request);
- RETURN(rc);
-}
-
-static inline int md_setattr(struct obd_export *exp, struct mdc_op_data *data,
- struct iattr *iattr, void *ea, int ealen,
- void *ea2, int ea2len, void *ea3, int ea3len,
- struct ptlrpc_request **request)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, setattr);
- MD_COUNTER_INCREMENT(exp->exp_obd, setattr);
- rc = MDP(exp->exp_obd, setattr)(exp, data, iattr, ea, ealen,
- ea2, ea2len, ea3, ea3len, request);
- RETURN(rc);
-}
-
-static inline int md_sync(struct obd_export *exp, struct lustre_id *id,
- struct ptlrpc_request **request)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, sync);
- MD_COUNTER_INCREMENT(exp->exp_obd, sync);
- rc = MDP(exp->exp_obd, sync)(exp, id, request);
- RETURN(rc);
-}
-
-static inline int md_readpage(struct obd_export *exp, struct lustre_id *id,
- __u64 offset, struct page *page,
- struct ptlrpc_request **request)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, readpage);
- MD_COUNTER_INCREMENT(exp->exp_obd, readpage);
- rc = MDP(exp->exp_obd, readpage)(exp, id, offset, page, request);
- RETURN(rc);
-}
-
-static inline int md_unlink(struct obd_export *exp, struct mdc_op_data *data,
- struct ptlrpc_request **request)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, unlink);
- MD_COUNTER_INCREMENT(exp->exp_obd, unlink);
- rc = MDP(exp->exp_obd, unlink)(exp, data, request);
- RETURN(rc);
-}
-
-static inline struct obd_device *md_get_real_obd(struct obd_export *exp,
- struct lustre_id *fid)
-{
- ENTRY;
- if (MDP(exp->exp_obd, get_real_obd) == NULL)
- return exp->exp_obd;
- MD_COUNTER_INCREMENT(exp->exp_obd, get_real_obd);
- return MDP(exp->exp_obd, get_real_obd)(exp, fid);
-}
-
-static inline int md_valid_attrs(struct obd_export *exp,
- struct lustre_id *id)
-{
- ENTRY;
- EXP_CHECK_MD_OP(exp, valid_attrs);
- MD_COUNTER_INCREMENT(exp->exp_obd, valid_attrs);
- return MDP(exp->exp_obd, valid_attrs)(exp, id);
-}
-
-static inline int md_req2lustre_md(struct obd_export *exp,
- struct ptlrpc_request *req,
- unsigned int offset,
- struct obd_export *osc_exp,
- struct lustre_md *md)
-{
- ENTRY;
- EXP_CHECK_MD_OP(exp, req2lustre_md);
- MD_COUNTER_INCREMENT(exp->exp_obd, req2lustre_md);
- return MDP(exp->exp_obd, req2lustre_md)(exp, req, offset, osc_exp, md);
-}
-
-static inline int md_set_open_replay_data(struct obd_export *exp,
- struct obd_client_handle *och,
- struct ptlrpc_request *open_req)
-{
- ENTRY;
- EXP_CHECK_MD_OP(exp, set_open_replay_data);
- MD_COUNTER_INCREMENT(exp->exp_obd, set_open_replay_data);
- return MDP(exp->exp_obd, set_open_replay_data)(exp, och, open_req);
-}
-
-static inline int md_clear_open_replay_data(struct obd_export *exp,
- struct obd_client_handle *och)
-{
- ENTRY;
- EXP_CHECK_MD_OP(exp, clear_open_replay_data);
- MD_COUNTER_INCREMENT(exp->exp_obd, clear_open_replay_data);
- return MDP(exp->exp_obd, clear_open_replay_data)(exp, och);
-}
-
-static inline int md_store_inode_generation(struct obd_export *exp,
- struct ptlrpc_request *req,
- int reqoff, int repoff)
-{
- ENTRY;
- EXP_CHECK_MD_OP(exp, store_inode_generation);
- MD_COUNTER_INCREMENT(exp->exp_obd, store_inode_generation);
- return MDP(exp->exp_obd, store_inode_generation)(exp, req,
- reqoff, repoff);
-}
-
-static inline int md_set_lock_data(struct obd_export *exp, __u64 *l,
- void *data)
-{
- ENTRY;
- EXP_CHECK_MD_OP(exp, set_lock_data);
- MD_COUNTER_INCREMENT(exp->exp_obd, set_lock_data);
- return MDP(exp->exp_obd, set_lock_data)(exp, l, data);
-}
-
-/* OBD Metadata Support */
-
-extern int obd_init_caches(void);
-extern void obd_cleanup_caches(void);
-
-/* support routines */
-extern kmem_cache_t *obdo_cachep;
-static inline struct obdo *obdo_alloc(void)
-{
- struct obdo *oa;
-
- OBD_SLAB_ALLOC(oa, obdo_cachep, GFP_KERNEL,
- sizeof(*oa));
- return oa;
-}
-
-static inline void obdo_free(struct obdo *oa)
-{
- OBD_SLAB_FREE(oa, obdo_cachep, sizeof(*oa));
-}
-
-static inline void obdo2id(struct lustre_id *id,
- struct obdo *oa)
-{
- LASSERT(oa && id);
- id_ino(id) = oa->o_id;
- id_fid(id) = oa->o_fid;
- id_group(id) = oa->o_mds;
- id_gen(id) = oa->o_generation;
-}
-
-static inline void id2obdo(struct obdo *oa,
- struct lustre_id *id)
-{
- LASSERT(oa && id);
- oa->o_id = id_ino(id);
- oa->o_fid = id_fid(id);
- oa->o_mds = id_group(id);
- oa->o_generation = id_gen(id);
-}
-
#if !defined(__KERNEL__) || (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
#define to_kdev_t(dev) dev
#define kdev_t_to_nr(dev) dev
#endif
-/* I'm as embarrassed about this as you are.
- *
- * <shaver> // XXX do not look into _superhack with remaining eye
- * <shaver> // XXX if this were any uglier, I'd get my own show on MTV */
-extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
-extern void (*ptlrpc_abort_inflight_superhack)(struct obd_import *imp);
-
-/* sysctl.c */
-extern void obd_sysctl_init (void);
-extern void obd_sysctl_clean (void);
-
-/* uuid.c */
-typedef __u8 class_uuid_t[16];
-//int class_uuid_parse(struct obd_uuid in, class_uuid_t out);
-void class_uuid_unparse(class_uuid_t in, struct obd_uuid *out);
-
-/* lustre_peer.c */
-int lustre_uuid_to_peer(char *uuid, __u32 *peer_nal, ptl_nid_t *peer_nid);
-int class_add_uuid(char *uuid, __u64 nid, __u32 nal);
-int class_del_uuid (char *uuid);
-void class_init_uuidlist(void);
-void class_exit_uuidlist(void);
-
-/* mea.c */
-int mea_name2idx(struct mea *mea, char *name, int namelen);
-int raw_name2idx(int hashtype, int count, const char *name, int namelen);
-
#endif /* __LINUX_OBD_CLASS_H */