#ifndef _MGS_INTERNAL_H
#define _MGS_INTERNAL_H
-#ifdef __KERNEL__
-# include <linux/fs.h>
-#endif
#include <libcfs/libcfs.h>
-#include <lustre/lustre_idl.h>
-#include <lustre_lib.h>
-#include <lustre_dlm.h>
#include <lustre_log.h>
#include <lustre_export.h>
+#include <dt_object.h>
#define MGSSELF_NAME "_mgs"
void *fsdb_ost_index_map; /* bitmap of used indicies */
void *fsdb_mdt_index_map; /* bitmap of used indicies */
int fsdb_mdt_count;
- /* COMPAT_146 these items must be recorded out of the old client log */
char *fsdb_clilov; /* COMPAT_146 client lov name */
char *fsdb_clilmv;
- char *fsdb_mdtlov; /* COMPAT_146 mds lov name */
- char *fsdb_mdtlmv;
- char *fsdb_mdc; /* COMPAT_146 mdc name */
- /* end COMPAT_146 */
unsigned long fsdb_flags;
__u32 fsdb_gen;
struct mgs_nidtbl fsdb_nidtbl;
/* async thread to notify clients */
- struct obd_device *fsdb_obd;
struct mgs_device *fsdb_mgs;
cfs_waitq_t fsdb_notify_waitq;
cfs_completion_t fsdb_notify_comp;
unsigned int fsdb_notify_count;
};
-/* mgs_llog.c */
-int class_dentry_readdir(const struct lu_env *env,
- struct mgs_device *mgs, cfs_list_t *list);
+struct mgs_device {
+ struct dt_device mgs_dt_dev;
+ struct ptlrpc_service *mgs_service;
+ struct dt_device *mgs_bottom;
+ struct obd_export *mgs_bottom_exp;
+ struct dt_object *mgs_configs_dir;
+ struct dt_object *mgs_nidtbl_dir;
+ cfs_list_t mgs_fs_db_list;
+ cfs_spinlock_t mgs_lock; /* covers mgs_fs_db_list */
+ cfs_proc_dir_entry_t *mgs_proc_live;
+ cfs_proc_dir_entry_t *mgs_proc_mntdev;
+ cfs_time_t mgs_start_time;
+ struct obd_device *mgs_obd;
+ struct local_oid_storage *mgs_los;
+ cfs_mutex_t mgs_mutex;
+};
+
+/* this is a top object */
+struct mgs_object {
+ struct lu_object_header mgo_header;
+ struct dt_object mgo_obj;
+ int mgo_no_attrs;
+ int mgo_reserved;
+};
int mgs_init_fsdb_list(struct mgs_device *mgs);
int mgs_cleanup_fsdb_list(struct mgs_device *mgs);
int mgs_check_failnid(const struct lu_env *env, struct mgs_device *mgs, struct mgs_target_info *mti);
int mgs_write_log_target(const struct lu_env *env, struct mgs_device *mgs, struct mgs_target_info *mti,
struct fs_db *fsdb);
-int mgs_upgrade_sv_14(const struct lu_env *env, struct mgs_device *mgs,
- struct mgs_target_info *mti, struct fs_db *fsdb);
int mgs_erase_log(const struct lu_env *env, struct mgs_device *mgs,
char *name);
int mgs_erase_logs(const struct lu_env *env, struct mgs_device *mgs,
int mgs_export_stats_init(struct obd_device *obd, struct obd_export *exp,
void *localdata);
int mgs_client_free(struct obd_export *exp);
-int mgs_fs_setup(struct obd_device *obd, struct vfsmount *mnt);
-int mgs_fs_cleanup(struct obd_device *obddev);
+int mgs_fs_setup(const struct lu_env *env, struct mgs_device *m);
+int mgs_fs_cleanup(const struct lu_env *env, struct mgs_device *m);
#define strsuf(buf, suffix) (strcmp((buf)+strlen(buf)-strlen(suffix), (suffix)))
#ifdef LPROCFS
-int lproc_mgs_setup(struct mgs_device *mgs);
+int lproc_mgs_setup(struct mgs_device *mgs, char *osd_name);
int lproc_mgs_cleanup(struct mgs_device *mgs);
int lproc_mgs_add_live(struct mgs_device *mgs, struct fs_db *fsdb);
int lproc_mgs_del_live(struct mgs_device *mgs, struct fs_db *fsdb);
void lprocfs_mgs_init_vars(struct lprocfs_static_vars *lvars);
#else
-static inline int lproc_mgs_setup(struct obd_device *dev)
+static inline int lproc_mgs_setup(struct mgs_device *mgs)
{return 0;}
-static inline int lproc_mgs_cleanup(struct obd_device *obd)
+static inline int lproc_mgs_cleanup(struct mgs_device *mgs)
{return 0;}
-static inline int lproc_mgs_add_live(struct mgs_device *obd, struct fs_db *fsdb)
+static inline int lproc_mgs_add_live(struct mgs_device *mgs, struct fs_db *fsdb)
{return 0;}
-static inline int lproc_mgs_del_live(struct mgs_device *obd, struct fs_db *fsdb)
+static inline int lproc_mgs_del_live(struct mgs_device *mgs, struct fs_db *fsdb)
{return 0;}
static void lprocfs_mgs_init_vars(struct lprocfs_static_vars *lvars)
{
void mgs_counter_incr(struct obd_export *exp, int opcode);
void mgs_stats_counter_init(struct lprocfs_stats *stats);
+struct temp_comp {
+ struct mgs_target_info *comp_tmti;
+ struct mgs_target_info *comp_mti;
+ struct fs_db *comp_fsdb;
+ struct obd_device *comp_obd;
+};
+
+struct mgs_thread_info {
+ struct lustre_cfg_bufs mgi_bufs;
+ char mgi_fsname[MTI_NAME_MAXLEN];
+ struct cfg_marker mgi_marker;
+ struct temp_comp mgi_comp;
+};
+
+extern struct lu_context_key mgs_thread_key;
+
+static inline struct mgs_thread_info *mgs_env_info(const struct lu_env *env)
+{
+ struct mgs_thread_info *info;
+
+ info = lu_context_key_get(&env->le_ctx, &mgs_thread_key);
+ LASSERT(info != NULL);
+ return info;
+}
+
+extern const struct lu_device_operations mgs_lu_ops;
+
+static inline int lu_device_is_mgs(struct lu_device *d)
+{
+ return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mgs_lu_ops);
+}
+
+static inline struct mgs_device* lu2mgs_dev(struct lu_device *d)
+{
+ LASSERT(lu_device_is_mgs(d));
+ return container_of0(d, struct mgs_device, mgs_dt_dev.dd_lu_dev);
+}
+
static inline struct mgs_device *exp2mgs_dev(struct obd_export *exp)
{
- return &exp->exp_obd->u.mgs;
+ return lu2mgs_dev(exp->exp_obd->obd_lu_dev);
+}
+
+static inline struct lu_device *mgs2lu_dev(struct mgs_device *d)
+{
+ return (&d->mgs_dt_dev.dd_lu_dev);
+}
+
+static inline struct mgs_device *dt2mgs_dev(struct dt_device *d)
+{
+ LASSERT(lu_device_is_mgs(&d->dd_lu_dev));
+ return container_of0(d, struct mgs_device, mgs_dt_dev);
+}
+
+static inline struct mgs_object *lu2mgs_obj(struct lu_object *o)
+{
+ LASSERT(ergo(o != NULL, lu_device_is_mgs(o->lo_dev)));
+ return container_of0(o, struct mgs_object, mgo_obj.do_lu);
+}
+
+static inline struct lu_object *mgs2lu_obj(struct mgs_object *obj)
+{
+ return &obj->mgo_obj.do_lu;
}
+static inline struct mgs_object *mgs_obj(const struct lu_object *o)
+{
+ LASSERT(lu_device_is_mgs(o->lo_dev));
+ return container_of0(o, struct mgs_object, mgo_obj.do_lu);
+}
+
+static inline struct mgs_object *dt2mgs_obj(const struct dt_object *d)
+{
+ return mgs_obj(&d->do_lu);
+}
+
+static inline struct dt_object* mgs_object_child(struct mgs_object *o)
+{
+ return container_of0(lu_object_next(mgs2lu_obj(o)),
+ struct dt_object, do_lu);
+}
+
+static inline struct dt_object *dt_object_child(struct dt_object *o)
+{
+ return container_of0(lu_object_next(&(o)->do_lu),
+ struct dt_object, do_lu);
+}
+struct mgs_direntry {
+ cfs_list_t list;
+ char *name;
+ int len;
+};
+
+static inline void mgs_direntry_free(struct mgs_direntry *de)
+{
+ if (de) {
+ LASSERT(de->len);
+ OBD_FREE(de->name, de->len);
+ OBD_FREE_PTR(de);
+ }
+}
+
+static inline struct mgs_direntry *mgs_direntry_alloc(int len)
+{
+ struct mgs_direntry *de;
+
+ OBD_ALLOC_PTR(de);
+ if (de == NULL)
+ return NULL;
+
+ OBD_ALLOC(de->name, len);
+ if (de->name == NULL) {
+ OBD_FREE_PTR(de);
+ return NULL;
+ }
+
+ de->len = len;
+
+ return de;
+}
+
+/* mgs_llog.c */
+int class_dentry_readdir(const struct lu_env *env, struct mgs_device *mgs,
+ cfs_list_t *list);
+
#endif /* _MGS_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff