/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ * Copyright (C) 2001-2003 Cluster File Systems, Inc.
*
* This file is part of Lustre, http://www.lustre.org.
*
#define __LINUX_CLASS_OBD_H
#ifndef __KERNEL__
-# include <stdint.h>
-# define __KERNEL__
-# include <linux/list.h>
-# undef __KERNEL__
+#include <sys/types.h>
+#include <portals/list.h>
#else
#include <asm/segment.h>
#include <asm/uaccess.h>
#include <linux/types.h>
#include <linux/fs.h>
#include <linux/time.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/lustre_mds.h>
-#include <linux/lustre_dlm.h>
-#endif
+#include <linux/lprocfs_status.h>
+#include <linux/lustre_log.h>
-
-/*
- * ======== OBD Device Declarations ===========
- */
-#define MAX_OBD_DEVICES 128
+/* OBD Device Declarations */
+#define MAX_OBD_DEVICES 256
extern struct obd_device obd_dev[MAX_OBD_DEVICES];
-#define OBD_ATTACHED 0x1
-#define OBD_SET_UP 0x2
+/* OBD Operations Declarations */
+extern struct obd_device *class_conn2obd(struct lustre_handle *);
+extern struct obd_device *class_exp2obd(struct obd_export *);
-extern struct proc_dir_entry *
-proc_lustre_register_obd_device(struct obd_device *obd);
-extern void proc_lustre_release_obd_device(struct obd_device *obd);
-extern void proc_lustre_remove_obd_entry(const char* name,
- struct obd_device *obd);
+/* 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);
-/*
- * ======== OBD Operations Declarations ===========
- */
+struct obd_device *class_newdev(int *dev);
+
+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() */
+struct config_llog_instance {
+ char * cfg_instance;
+ struct obd_uuid cfg_uuid;
+ ptl_nid_t cfg_local_nid;
+};
+
+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_osc;
+ char * lp_mdc;
+};
+
+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, int failover);
+void class_disconnect_exports(struct obd_device *obddev, int failover);
+/* 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);
+/* 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_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
+void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid);
+int obdo_cmp_md(struct obdo *dst, struct obdo *src, obd_flag compare);
+void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
+
static inline int obd_check_conn(struct lustre_handle *conn)
{
struct obd_device *obd;
CERROR("NULL conn\n");
RETURN(-ENOTCONN);
}
+
obd = class_conn2obd(conn);
if (!obd) {
CERROR("NULL obd\n");
RETURN(-ENODEV);
}
- if (!obd->obd_flags & OBD_ATTACHED ) {
+ if (!obd->obd_attached) {
CERROR("obd %d not attached\n", obd->obd_minor);
RETURN(-ENODEV);
}
- if (!obd->obd_flags & OBD_SET_UP) {
+ if (!obd->obd_set_up) {
CERROR("obd %d not setup\n", obd->obd_minor);
RETURN(-ENODEV);
}
#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 disconnect which might be called while
+ an obd is stopping. */
+#define OBD_CHECK_SETUP(conn, exp) \
+do { \
+ if (!(conn)) { \
+ CERROR("NULL connection\n"); \
+ RETURN(-EINVAL); \
+ } \
+ \
+ exp = class_conn2export(conn); \
+ if (!(exp)) { \
+ CERROR("No export for conn "LPX64"\n", (conn)->cookie); \
+ RETURN(-EINVAL); \
+ } \
+ \
+ if (!(exp)->exp_obd->obd_set_up) { \
+ CERROR("Device %d not setup\n", \
+ (exp)->exp_obd->obd_minor); \
+ class_export_put(exp); \
+ RETURN(-EINVAL); \
+ } \
+} while (0)
-#define OBD_CHECK_SETUP(conn, exp) \
+/* Ensure obd_setup and !obd_stopping. */
+#define OBD_CHECK_ACTIVE(conn, exp) \
+do { \
+ if (!(conn)) { \
+ CERROR("NULL connection\n"); \
+ RETURN(-EINVAL); \
+ } \
+ \
+ exp = class_conn2export(conn); \
+ if (!(exp)) { \
+ CERROR("No export for conn "LPX64"\n", (conn)->cookie); \
+ RETURN(-EINVAL); \
+ } \
+ \
+ if (!(exp)->exp_obd->obd_set_up || (exp)->exp_obd->obd_stopping) { \
+ CERROR("Device %d not setup\n", \
+ (exp)->exp_obd->obd_minor); \
+ class_export_put(exp); \
+ RETURN(-EINVAL); \
+ } \
+} while (0)
+
+/* Ensure obd_setup: used for cleanup which must be called
+ while obd is stopping */
+#define OBD_CHECK_DEV_STOPPING(obd) \
do { \
- if (!(conn)) { \
- CERROR("NULL connection\n"); \
- RETURN(-EINVAL); \
+ if (!(obd)) { \
+ CERROR("NULL device\n"); \
+ RETURN(-ENODEV); \
} \
\
- exp = class_conn2export(conn); \
- if (!(exp)) { \
- CERROR("No export\n"); \
- RETURN(-EINVAL); \
+ if (!(obd)->obd_set_up) { \
+ CERROR("Device %d not setup\n", \
+ (obd)->obd_minor); \
+ RETURN(-ENODEV); \
} \
\
- if (!((exp)->exp_obd->obd_flags & OBD_SET_UP)) { \
- CERROR("Device %d not setup\n", \
- (exp)->exp_obd->obd_minor); \
- RETURN(-EINVAL); \
+ if (!(obd)->obd_stopping) { \
+ CERROR("Device %d not stopping\n", \
+ (obd)->obd_minor); \
+ RETURN(-ENODEV); \
} \
} while (0)
-#define OBD_CHECK_DEVSETUP(obd) \
+/* ensure obd_setup and !obd_stopping */
+#define OBD_CHECK_DEV_ACTIVE(obd) \
do { \
if (!(obd)) { \
CERROR("NULL device\n"); \
- RETURN(-EINVAL); \
+ RETURN(-ENODEV); \
} \
\
- if (!((obd)->obd_flags & OBD_SET_UP)) { \
+ if (!(obd)->obd_set_up || (obd)->obd_stopping) { \
CERROR("Device %d not setup\n", \
(obd)->obd_minor); \
- RETURN(-EINVAL); \
+ 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); \
+ }
+/* FIXME: real accounting here */
+#define MD_COUNTER_INCREMENT(obd, op)
+#else
+#define OBD_COUNTER_OFFSET(op)
+#define OBD_COUNTER_INCREMENT(obd, op)
+#define MD_COUNTER_INCREMENT(obd, op)
+#endif
+
+#define OBD_CHECK_MD_OP(obd, op, err) \
+do { \
+ if (!OBT(obd) || !MDP((obd), op)) {\
+ if (err) \
+ CERROR("obd_md" #op ": dev %d no operation\n", \
+ obd->obd_minor); \
+ RETURN(err); \
} \
} while (0)
-#define OBD_CHECK_OP(obd, op) \
+#define EXP_CHECK_MD_OP(exp, op) \
do { \
- if (!OBP((obd), op)) { \
+ if ((exp) == NULL) { \
+ CERROR("obd_" #op ": NULL export\n"); \
+ 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 %d no operation\n", \
- obd->obd_minor); \
+ (exp)->exp_obd->obd_minor); \
RETURN(-EOPNOTSUPP); \
} \
} while (0)
-static inline int obd_get_info(struct lustre_handle *conn, obd_count keylen,
- void *key, obd_count *vallen, void **val)
+#define OBD_CHECK_OP(obd, op, err) \
+do { \
+ if (!OBT(obd) || !OBP((obd), op)) {\
+ if (err) \
+ CERROR("obd_" #op ": dev %d no operation\n", \
+ obd->obd_minor); \
+ RETURN(err); \
+ } \
+} while (0)
+
+#define EXP_CHECK_OP(exp, op) \
+do { \
+ if ((exp) == NULL) { \
+ CERROR("obd_" #op ": NULL export\n"); \
+ 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 %d no operation\n", \
+ (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)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, get_info);
+ EXP_CHECK_OP(exp, get_info);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, get_info);
- rc = OBP(exp->exp_obd, get_info)(conn, keylen, key, vallen, val);
+ rc = OBP(exp->exp_obd, get_info)(exp, keylen, key, vallen, val);
RETURN(rc);
}
-static inline int obd_set_info(struct lustre_handle *conn, obd_count keylen,
+static inline int obd_set_info(struct obd_export *exp, obd_count keylen,
void *key, obd_count vallen, void *val)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, set_info);
+ EXP_CHECK_OP(exp, set_info);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, set_info);
- rc = OBP(exp->exp_obd, set_info)(conn, keylen, key, vallen, val);
+ 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);
+ OBD_CHECK_OP(obd, setup, -EOPNOTSUPP);
+ OBD_COUNTER_INCREMENT(obd, setup);
rc = OBP(obd, setup)(obd, datalen, data);
RETURN(rc);
}
-static inline int obd_cleanup(struct obd_device *obd)
+static inline int obd_precleanup(struct obd_device *obd, int flags)
{
int rc;
+ ENTRY;
- OBD_CHECK_DEVSETUP(obd);
- OBD_CHECK_OP(obd, cleanup);
+ OBD_CHECK_OP(obd, precleanup, 0);
+ OBD_COUNTER_INCREMENT(obd, precleanup);
- rc = OBP(obd, cleanup)(obd);
+ rc = OBP(obd, precleanup)(obd, flags);
RETURN(rc);
}
-static inline int obd_create(struct lustre_handle *conn, struct obdo *obdo,
- struct lov_stripe_md **ea)
+static inline int obd_cleanup(struct obd_device *obd, int flags)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, create);
+ OBD_CHECK_DEV_STOPPING(obd);
+ OBD_CHECK_OP(obd, cleanup, 0);
+ OBD_COUNTER_INCREMENT(obd, cleanup);
- rc = OBP(exp->exp_obd, create)(conn, obdo, ea);
+ rc = OBP(obd, cleanup)(obd, flags);
RETURN(rc);
}
-static inline int obd_destroy(struct lustre_handle *conn, struct obdo *obdo,
- struct lov_stripe_md *ea)
+static inline int
+obd_process_config(struct obd_device *obd, int datalen, void *data)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, destroy);
+ OBD_CHECK_OP(obd, process_config, -EOPNOTSUPP);
+ OBD_COUNTER_INCREMENT(obd, process_config);
- rc = OBP(exp->exp_obd, destroy)(conn, obdo, ea);
+ rc = OBP(obd, process_config)(obd, datalen, data);
RETURN(rc);
}
-static inline int obd_getattr(struct lustre_handle *conn, struct obdo *obdo,
- struct lov_stripe_md *ea)
+/* 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)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, getattr);
+ EXP_CHECK_OP(exp, unpackmd);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, unpackmd);
- rc = OBP(exp->exp_obd, getattr)(conn, obdo, ea);
+ rc = OBP(exp->exp_obd, unpackmd)(exp, mem_tgt, disk_src, disk_len);
RETURN(rc);
}
-static inline int obd_close(struct lustre_handle *conn, struct obdo *obdo,
- struct lov_stripe_md *ea)
+/* 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)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, close);
+ EXP_CHECK_OP(exp, revalidate_md);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, revalidate_md);
- rc = OBP(exp->exp_obd, close)(conn, obdo, ea);
+ rc = OBP(exp->exp_obd, revalidate_md)(exp, obdo, ea, oti);
RETURN(rc);
}
-static inline int obd_open(struct lustre_handle *conn, struct obdo *obdo,
- struct lov_stripe_md *ea)
+static inline int obd_create(struct obd_export *exp, struct obdo *obdo,
+ struct lov_stripe_md **ea,
+ struct obd_trans_info *oti)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, open);
+ EXP_CHECK_OP(exp, create);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, create);
- rc = OBP(exp->exp_obd, open)(conn, obdo, ea);
+ rc = OBP(exp->exp_obd, create)(exp, obdo, ea, oti);
RETURN(rc);
}
-static inline int obd_setattr(struct lustre_handle *conn, struct obdo *obdo,
+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)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, setattr);
+ EXP_CHECK_OP(exp, getattr);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, getattr);
- rc = OBP(exp->exp_obd, setattr)(conn, obdo, ea);
+ 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)
+{
+ 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);
RETURN(rc);
}
static inline int obd_connect(struct lustre_handle *conn,
- struct obd_device *obd, obd_uuid_t cluuid,
- struct recovd_obd *recovd,
- ptlrpc_recovery_cb_t recover)
+ struct obd_device *obd, struct obd_uuid *cluuid)
{
int rc;
+ ENTRY;
- OBD_CHECK_DEVSETUP(obd);
- OBD_CHECK_OP(obd, connect);
+ OBD_CHECK_DEV_ACTIVE(obd);
+ OBD_CHECK_OP(obd, connect, -EOPNOTSUPP);
+ OBD_COUNTER_INCREMENT(obd, connect);
- rc = OBP(obd, connect)(conn, obd, cluuid, recovd, recover);
+ rc = OBP(obd, connect)(conn, obd, cluuid);
RETURN(rc);
}
-static inline int obd_disconnect(struct lustre_handle *conn)
+static inline int obd_disconnect(struct obd_export *exp, int flags)
{
- struct obd_export *exp;
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_fid2dentry(struct obd_export *exp, __u64 id_ino, __u32 gen, __u64 gr)
+{
+ LASSERT(exp->exp_obd);
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, disconnect);
+ return lvfs_fid2dentry(&exp->exp_obd->obd_lvfs_ctxt, id_ino, gen, gr,
+ exp->exp_obd);
+}
+
+#ifndef time_before
+#define time_before(t1, t2) ((long)t2 - (long)t1 > 0)
+#endif
- rc = OBP(exp->exp_obd, disconnect)(conn);
+/* @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_statfs(struct lustre_handle *conn,struct obd_statfs *osfs)
+static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
+ struct lov_stripe_md *ea, obd_size start,
+ obd_size end)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, statfs);
+ OBD_CHECK_OP(exp->exp_obd, sync, -EOPNOTSUPP);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, sync);
- rc = OBP(exp->exp_obd, statfs)(conn, osfs);
+ rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end);
RETURN(rc);
}
-static inline int obd_punch(struct lustre_handle *conn, struct obdo *oa,
- struct lov_stripe_md *ea,
- obd_size start, obd_size end)
+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 obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, punch);
+ EXP_CHECK_OP(exp, punch);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, punch);
- rc = OBP(exp->exp_obd, punch)(conn, oa, ea, start, end);
+ rc = OBP(exp->exp_obd, punch)(exp, oa, ea, start, end, oti);
RETURN(rc);
}
-static inline int obd_brw(int cmd, struct lustre_handle *conn,
+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,
- brw_callback_t callback, void *data)
+ struct brw_page *pg, struct obd_trans_info *oti)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, brw);
+ 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)(cmd, conn, ea, oa_bufs, pg, callback, data);
+ 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_flag brw_flags, obd_flag 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_flag 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_flag brw_flags,
+ obd_flag 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 lustre_handle *conn,
+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, void **desc_private)
+ struct niobuf_local *local,
+ struct obd_trans_info *oti)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, preprw);
+ OBD_CHECK_OP(exp->exp_obd, preprw, -EOPNOTSUPP);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, preprw);
- rc = OBP(exp->exp_obd, preprw)(cmd, conn, objcount, obj, niocount,
- remote, local, desc_private);
+ rc = OBP(exp->exp_obd, preprw)(cmd, exp, oa, objcount, obj, niocount,
+ remote, local, oti);
RETURN(rc);
}
-static inline int obd_commitrw(int cmd, struct lustre_handle *conn,
+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,
- void *desc_private)
+ 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)
{
- struct obd_export *exp;
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);
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, commitrw);
+ rc = OBP(exp->exp_obd, do_cow)(exp, obj, objcount, rnb);
- rc = OBP(exp->exp_obd, commitrw)(cmd, conn, objcount, obj, niocount,
- local, desc_private);
RETURN(rc);
}
-static inline int obd_iocontrol(int cmd, struct lustre_handle *conn,
+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_iocontrol(unsigned int cmd, struct obd_export *exp,
int len, void *karg, void *uarg)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, iocontrol);
+ EXP_CHECK_OP(exp, iocontrol);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, iocontrol);
- rc = OBP(exp->exp_obd, iocontrol)(cmd, conn, len, karg, uarg);
+ rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
RETURN(rc);
}
-static inline int obd_enqueue(struct lustre_handle *conn,
- struct lov_stripe_md *ea,
- struct lustre_handle *parent_lock,
- __u32 type, void *cookie, int cookielen,
- __u32 mode, int *flags, void *cb, void *data,
- int datalen, struct lustre_handle *lockh)
+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)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, enqueue);
+ EXP_CHECK_OP(exp, match);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, match);
- rc = OBP(exp->exp_obd, enqueue)(conn, ea, parent_lock, type,
- cookie, cookielen, mode, flags, cb,
- data, datalen, lockh);
+ rc = OBP(exp->exp_obd, match)(exp, ea, type, policy, mode, flags, data,
+ lockh);
RETURN(rc);
}
-static inline int obd_cancel(struct lustre_handle *conn,
+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)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, cancel);
+ EXP_CHECK_OP(exp, cancel);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, cancel);
- rc = OBP(exp->exp_obd, cancel)(conn, ea, mode, lockh);
+ rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
RETURN(rc);
}
-static inline int obd_cancel_unused(struct lustre_handle *conn,
- struct lov_stripe_md *ea, int local)
+static inline int obd_cancel_unused(struct obd_export *exp,
+ struct lov_stripe_md *ea, int flags,
+ void *opaque)
{
- struct obd_export *exp;
int rc;
+ ENTRY;
- OBD_CHECK_SETUP(conn, exp);
- OBD_CHECK_OP(exp->exp_obd, cancel_unused);
+ EXP_CHECK_OP(exp, cancel_unused);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, cancel_unused);
- rc = OBP(exp->exp_obd, cancel_unused)(conn, ea, local);
+ rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
RETURN(rc);
}
-#endif
-/*
- * ======== OBD Metadata Support ===========
- */
+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;
-extern int obd_init_caches(void);
-extern void obd_cleanup_caches(void);
+ 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 struct lustre_handle *obdo_handle(struct obdo *oa)
+static inline int obd_pin(struct obd_export *exp, obd_id ino, __u32 gen,
+ int type, struct obd_client_handle *handle, int flag)
{
- return (struct lustre_handle *)&oa->o_inline;
+ 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 void obd_oa2handle(struct lustre_handle *handle, struct obdo *oa)
+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 (oa->o_valid |= OBD_MD_FLHANDLE) {
- struct lustre_handle *oa_handle = obdo_handle(oa);
- memcpy(handle, oa_handle, sizeof(*handle));
+ if (obd->obd_set_up && OBP(obd, import_event)) {
+ OBD_COUNTER_INCREMENT(obd, import_event);
+ OBP(obd, import_event)(obd, imp, event);
}
}
-static inline void obd_handle2oa(struct obdo *oa, struct lustre_handle *handle)
+static inline int obd_llog_connect(struct obd_device *obd,
+ struct llogd_conn_body *body)
{
- if (handle->addr) {
- struct lustre_handle *oa_handle = obdo_handle(oa);
- memcpy(oa_handle, handle, sizeof(*handle));
- oa->o_valid |= OBD_MD_FLHANDLE;
+ ENTRY;
+ if (!obd->obd_set_up) {
+ CERROR("obd %s not set up\n", obd->obd_name);
+ return -EINVAL;
}
+
+ if (!OBP(obd, llog_connect)) {
+ CERROR("obd %s has no llog_connect handler\n", obd->obd_name);
+ return -ENOSYS;
+ }
+
+ return OBP(obd, llog_connect)(obd, body);
}
-#ifdef __KERNEL__
-/* support routines */
-extern kmem_cache_t *obdo_cachep;
-static inline struct obdo *obdo_alloc(void)
+static inline int obd_notify(struct obd_device *obd,
+ struct obd_device *watched,
+ int active)
{
- struct obdo *oa;
+ if (!obd->obd_set_up) {
+ CERROR("obd %s not set up\n", obd->obd_name);
+ return -EINVAL;
+ }
- oa = kmem_cache_alloc(obdo_cachep, SLAB_KERNEL);
- if (oa == NULL)
- LBUG();
- memset(oa, 0, sizeof (*oa));
+ if (!OBP(obd, notify)) {
+ CERROR("obd %s has no notify handler\n", obd->obd_name);
+ return -ENOSYS;
+ }
- return oa;
+ OBD_COUNTER_INCREMENT(obd, notify);
+ return OBP(obd, notify)(obd, watched, active);
}
-static inline void obdo_free(struct obdo *oa)
+static inline int obd_register_observer(struct obd_device *obd,
+ struct obd_device *observer)
{
- if (!oa)
- return;
- kmem_cache_free(obdo_cachep, oa);
+ ENTRY;
+ if (obd->obd_observer && observer)
+ RETURN(-EALREADY);
+ obd->obd_observer = observer;
+ RETURN(0);
}
-static inline void obdo_from_iattr(struct obdo *oa, struct iattr *attr)
+static inline int obd_init_ea_size(struct obd_export *exp, int size, int size2)
{
- unsigned int ia_valid = attr->ia_valid;
+ 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);
+}
- if (ia_valid & ATTR_ATIME) {
- oa->o_atime = attr->ia_atime;
- oa->o_valid |= OBD_MD_FLATIME;
- }
- if (ia_valid & ATTR_MTIME) {
- oa->o_mtime = attr->ia_mtime;
- oa->o_valid |= OBD_MD_FLMTIME;
- }
- if (ia_valid & ATTR_CTIME) {
- oa->o_ctime = attr->ia_ctime;
- oa->o_valid |= OBD_MD_FLCTIME;
- }
- if (ia_valid & ATTR_SIZE) {
- oa->o_size = attr->ia_size;
- oa->o_valid |= OBD_MD_FLSIZE;
- }
- if (ia_valid & ATTR_MODE) {
- oa->o_mode = attr->ia_mode;
- oa->o_valid |= OBD_MD_FLTYPE | OBD_MD_FLMODE;
- if (!in_group_p(oa->o_gid) && !capable(CAP_FSETID))
- oa->o_mode &= ~S_ISGID;
- }
- if (ia_valid & ATTR_UID) {
- oa->o_uid = attr->ia_uid;
- oa->o_valid |= OBD_MD_FLUID;
- }
- if (ia_valid & ATTR_GID) {
- oa->o_gid = attr->ia_gid;
- oa->o_valid |= OBD_MD_FLGID;
- }
+static inline int md_getstatus(struct obd_export *exp, struct ll_fid *fid)
+{
+ int rc;
+
+ EXP_CHECK_MD_OP(exp, getstatus);
+ MD_COUNTER_INCREMENT(exp->exp_obd, getstatus);
+ rc = MDP(exp->exp_obd, getstatus)(exp, fid);
+ RETURN(rc);
}
+/* this function notifies MDC, that inode described by @fid gets removed from
+ * memory.*/
+static inline int md_delete_object(struct obd_export *exp,
+ struct ll_fid *fid)
+{
+ int rc;
+ ENTRY;
+
+ /* as this method only notifies MDC that inode gets deleted, we can
+ * return zero if method is not implemented, this means, that OBD does
+ * not need such a notification. */
+ if (MDP(exp->exp_obd, delete_object) == NULL)
+ RETURN(0);
+
+ MD_COUNTER_INCREMENT(exp->exp_obd, delete_object);
+ rc = MDP(exp->exp_obd, delete_object)(exp, fid);
+ RETURN(rc);
+}
-static inline void iattr_from_obdo(struct iattr *attr, struct obdo *oa,
- obd_flag valid)
+static inline int md_getattr(struct obd_export *exp, struct ll_fid *fid,
+ unsigned long valid, unsigned int ea_size,
+ struct ptlrpc_request **request)
{
- memset(attr, 0, sizeof(*attr));
- if (valid & OBD_MD_FLATIME) {
- attr->ia_atime = oa->o_atime;
- attr->ia_valid |= ATTR_ATIME;
- }
- if (valid & OBD_MD_FLMTIME) {
- attr->ia_mtime = oa->o_mtime;
- attr->ia_valid |= ATTR_MTIME;
- }
- if (valid & OBD_MD_FLCTIME) {
- attr->ia_ctime = oa->o_ctime;
- attr->ia_valid |= ATTR_CTIME;
- }
- if (valid & OBD_MD_FLSIZE) {
- attr->ia_size = oa->o_size;
- attr->ia_valid |= ATTR_SIZE;
- }
- if (valid & OBD_MD_FLTYPE) {
- attr->ia_mode = (attr->ia_mode & ~S_IFMT)|(oa->o_mode & S_IFMT);
- attr->ia_valid |= ATTR_MODE;
- }
- if (valid & OBD_MD_FLMODE) {
- attr->ia_mode = (attr->ia_mode & S_IFMT)|(oa->o_mode & ~S_IFMT);
- attr->ia_valid |= ATTR_MODE;
- if (!in_group_p(oa->o_gid) && !capable(CAP_FSETID))
- attr->ia_mode &= ~S_ISGID;
- }
- if (valid & OBD_MD_FLUID)
- {
- attr->ia_uid = oa->o_uid;
- attr->ia_valid |= ATTR_UID;
- }
- if (valid & OBD_MD_FLGID) {
- attr->ia_gid = oa->o_gid;
- attr->ia_valid |= ATTR_GID;
- }
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, getattr);
+ MD_COUNTER_INCREMENT(exp->exp_obd, getattr);
+ rc = MDP(exp->exp_obd, getattr)(exp, fid, valid, ea_size, request);
+ RETURN(rc);
}
+static inline int md_change_cbdata(struct obd_export *exp, struct ll_fid *fid,
+ 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, fid, it, data);
+ RETURN(rc);
+}
-/* WARNING: the file systems must take care not to tinker with
- attributes they don't manage (such as blocks). */
+static inline int md_change_cbdata_name(struct obd_export *exp,
+ struct ll_fid *fid, char *name,
+ int namelen, struct ll_fid *fid2,
+ 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, fid, name, namelen,
+ fid2, it, data);
+ RETURN(rc);
+}
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#define to_kdev_t(dev) dev
-#define kdev_t_to_nr(dev) dev
-#endif
+static inline int md_close(struct obd_export *exp, struct obdo *obdo,
+ 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, obdo, och, request);
+ RETURN(rc);
+}
-static inline void obdo_from_inode(struct obdo *dst, struct inode *src,
- obd_flag valid)
-{
-// if (valid & OBD_MD_FLID)
-// dst->o_id = src->i_ino;
- if (valid & OBD_MD_FLATIME)
- dst->o_atime = src->i_atime;
- if (valid & OBD_MD_FLMTIME)
- dst->o_mtime = src->i_mtime;
- if (valid & OBD_MD_FLCTIME)
- dst->o_ctime = src->i_ctime;
- if (valid & OBD_MD_FLSIZE)
- dst->o_size = src->i_size;
- if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
- dst->o_blocks = src->i_blocks;
- if (valid & OBD_MD_FLBLKSZ)
- dst->o_blksize = src->i_blksize;
- if (valid & OBD_MD_FLTYPE)
- dst->o_mode = (dst->o_mode & ~S_IFMT) | (src->i_mode & S_IFMT);
- if (valid & OBD_MD_FLMODE)
- dst->o_mode = (dst->o_mode & S_IFMT) | (src->i_mode & ~S_IFMT);
- if (valid & OBD_MD_FLUID)
- dst->o_uid = src->i_uid;
- if (valid & OBD_MD_FLGID)
- dst->o_gid = src->i_gid;
- if (valid & OBD_MD_FLFLAGS)
- dst->o_flags = src->i_flags;
- if (valid & OBD_MD_FLNLINK)
- dst->o_nlink = src->i_nlink;
- if (valid & OBD_MD_FLGENER)
- dst->o_generation = src->i_generation;
- if (valid & OBD_MD_FLRDEV)
- dst->o_rdev = (__u32)kdev_t_to_nr(src->i_rdev);
-
- dst->o_valid |= (valid & ~OBD_MD_FLID);
-}
-
-static inline void obdo_to_inode(struct inode *dst, struct obdo *src,
- obd_flag valid)
-{
-// if (valid & OBD_MD_FLID)
-// dst->i_ino = src->o_id;
- if (valid & OBD_MD_FLATIME)
- dst->i_atime = src->o_atime;
- if (valid & OBD_MD_FLMTIME)
- dst->i_mtime = src->o_mtime;
- if (valid & OBD_MD_FLCTIME)
- dst->i_ctime = src->o_ctime;
- if (valid & OBD_MD_FLSIZE)
- dst->i_size = src->o_size;
- if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
- dst->i_blocks = src->o_blocks;
- if (valid & OBD_MD_FLBLKSZ)
- dst->i_blksize = src->o_blksize;
- if (valid & OBD_MD_FLTYPE)
- dst->i_mode = (dst->i_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
- if (valid & OBD_MD_FLMODE)
- dst->i_mode = (dst->i_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
- if (valid & OBD_MD_FLUID)
- dst->i_uid = src->o_uid;
- if (valid & OBD_MD_FLGID)
- dst->i_gid = src->o_gid;
- if (valid & OBD_MD_FLFLAGS)
- dst->i_flags = src->o_flags;
- if (valid & OBD_MD_FLNLINK)
- dst->i_nlink = src->o_nlink;
- if (valid & OBD_MD_FLGENER)
- dst->i_generation = src->o_generation;
- if (valid & OBD_MD_FLRDEV)
- dst->i_rdev = to_kdev_t(src->o_rdev);
+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);
}
-#endif
-static inline void obdo_cpy_md(struct obdo *dst, struct obdo *src,
- obd_flag valid)
+static inline int md_done_writing(struct obd_export *exp, struct obdo *obdo)
{
-#ifdef __KERNEL__
- CDEBUG(D_INODE, "src obdo %Ld valid 0x%x, dst obdo %Ld\n",
- (unsigned long long)src->o_id, src->o_valid,
- (unsigned long long)dst->o_id);
-#endif
- if (valid & OBD_MD_FLATIME)
- dst->o_atime = src->o_atime;
- if (valid & OBD_MD_FLMTIME)
- dst->o_mtime = src->o_mtime;
- if (valid & OBD_MD_FLCTIME)
- dst->o_ctime = src->o_ctime;
- if (valid & OBD_MD_FLSIZE)
- dst->o_size = src->o_size;
- if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
- dst->o_blocks = src->o_blocks;
- if (valid & OBD_MD_FLBLKSZ)
- dst->o_blksize = src->o_blksize;
- if (valid & OBD_MD_FLTYPE)
- dst->o_mode = (dst->o_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
- if (valid & OBD_MD_FLMODE)
- dst->o_mode = (dst->o_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
- if (valid & OBD_MD_FLUID)
- dst->o_uid = src->o_uid;
- if (valid & OBD_MD_FLGID)
- dst->o_gid = src->o_gid;
- if (valid & OBD_MD_FLFLAGS)
- dst->o_flags = src->o_flags;
- /*
- if (valid & OBD_MD_FLOBDFLG)
- dst->o_obdflags = src->o_obdflags;
- */
- if (valid & OBD_MD_FLNLINK)
- dst->o_nlink = src->o_nlink;
- if (valid & OBD_MD_FLGENER)
- dst->o_generation = src->o_generation;
- if (valid & OBD_MD_FLRDEV)
- dst->o_rdev = src->o_rdev;
- if (valid & OBD_MD_FLINLINE &&
- src->o_obdflags & OBD_FL_INLINEDATA) {
- memcpy(dst->o_inline, src->o_inline, sizeof(src->o_inline));
- dst->o_obdflags |= OBD_FL_INLINEDATA;
- }
+ 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);
+}
- dst->o_valid |= valid;
-}
-
-
-/* returns FALSE if comparison (by flags) is same, TRUE if changed */
-static inline int obdo_cmp_md(struct obdo *dst, struct obdo *src,
- obd_flag compare)
-{
- int res = 0;
-
- if ( compare & OBD_MD_FLATIME )
- res = (res || (dst->o_atime != src->o_atime));
- if ( compare & OBD_MD_FLMTIME )
- res = (res || (dst->o_mtime != src->o_mtime));
- if ( compare & OBD_MD_FLCTIME )
- res = (res || (dst->o_ctime != src->o_ctime));
- if ( compare & OBD_MD_FLSIZE )
- res = (res || (dst->o_size != src->o_size));
- if ( compare & OBD_MD_FLBLOCKS ) /* allocation of space */
- res = (res || (dst->o_blocks != src->o_blocks));
- if ( compare & OBD_MD_FLBLKSZ )
- res = (res || (dst->o_blksize != src->o_blksize));
- if ( compare & OBD_MD_FLTYPE )
- res = (res || (((dst->o_mode ^ src->o_mode) & S_IFMT) != 0));
- if ( compare & OBD_MD_FLMODE )
- res = (res || (((dst->o_mode ^ src->o_mode) & ~S_IFMT) != 0));
- if ( compare & OBD_MD_FLUID )
- res = (res || (dst->o_uid != src->o_uid));
- if ( compare & OBD_MD_FLGID )
- res = (res || (dst->o_gid != src->o_gid));
- if ( compare & OBD_MD_FLFLAGS )
- res = (res || (dst->o_flags != src->o_flags));
- if ( compare & OBD_MD_FLNLINK )
- res = (res || (dst->o_nlink != src->o_nlink));
- if ( compare & OBD_MD_FLGENER )
- res = (res || (dst->o_generation != src->o_generation));
- /* XXX Don't know if thses should be included here - wasn't previously
- if ( compare & OBD_MD_FLINLINE )
- res = (res || memcmp(dst->o_inline, src->o_inline));
- */
- return res;
+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_name(struct obd_export *exp, struct ll_fid *fid,
+ char *filename, int namelen,
+ unsigned long valid, unsigned int ea_size,
+ struct ptlrpc_request **request)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, getattr_name);
+ MD_COUNTER_INCREMENT(exp->exp_obd, getattr_name);
+ rc = MDP(exp->exp_obd, getattr_name)(exp, fid, filename, namelen,
+ valid, ea_size, request);
+ RETURN(rc);
+}
-#ifdef __KERNEL__
-/* 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);
+static inline int md_intent_lock(struct obd_export *exp, struct ll_uctxt *uctxt,
+ struct ll_fid *pfid, const char *name,
+ int len, void *lmm, int lmmsize,
+ struct ll_fid *cfid, 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, uctxt, pfid, name, len,
+ lmm, lmmsize, cfid, it, flags,
+ reqp, cb_blocking);
+ RETURN(rc);
+}
-int class_register_type(struct obd_ops *ops, char *nm);
-int class_unregister_type(char *nm);
-int class_name2dev(char *name);
-int class_uuid2dev(char *uuid);
-struct obd_device *class_uuid2obd(char *uuid);
-struct obd_export *class_new_export(struct obd_device *obddev);
-void class_destroy_export(struct obd_export *exp);
-int class_connect(struct lustre_handle *conn, struct obd_device *obd,
- obd_uuid_t cluuid);
-int class_disconnect(struct lustre_handle *conn);
-void class_disconnect_all(struct obd_device *obddev);
+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);
+}
-/* 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);
+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,
+ 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, request);
+ RETURN(rc);
+}
+
+static inline int md_sync(struct obd_export *exp, struct ll_fid *fid,
+ 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, fid, request);
+ RETURN(rc);
+}
+
+static inline int md_readpage(struct obd_export *exp, struct ll_fid *fid,
+ __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, fid, 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,
+ char *name, int len)
+{
+ 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, name, len);
+}
+
+static inline int md_valid_attrs(struct obd_export *exp, struct ll_fid *fid)
+{
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, valid_attrs);
+ MD_COUNTER_INCREMENT(exp->exp_obd, valid_attrs);
+ return MDP(exp->exp_obd, valid_attrs)(exp, fid);
+}
+
+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;
-extern void (*class_signal_connection_failure)(struct ptlrpc_connection *);
+ oa = kmem_cache_alloc(obdo_cachep, SLAB_KERNEL);
+ if (oa == NULL)
+ LBUG();
+ CDEBUG(D_MALLOC, "kmem_cache_alloced oa at %p\n", oa);
+ memset(oa, 0, sizeof (*oa));
+
+ return oa;
+}
-static inline struct ptlrpc_connection *class_rd2conn(struct recovd_data *rd)
+static inline void obdo_free(struct obdo *oa)
{
- /* reuse list_entry's member-pointer offset stuff */
- return list_entry(rd, struct ptlrpc_connection, c_recovd_data);
+ if (!oa)
+ return;
+ CDEBUG(D_MALLOC, "kmem_cache_freed oa at %p\n", oa);
+ kmem_cache_free(obdo_cachep, oa);
}
+#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(obd_uuid_t in, class_uuid_t out);
-void class_uuid_unparse(class_uuid_t in, obd_uuid_t out);
-#endif /* __LINUX_CLASS_OBD_H */
+//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 count, const char *name, int namelen);
+
+#endif /* __LINUX_OBD_CLASS_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff