* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 only,
* as published by the Free Software Foundation.
-
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License version 2 for more details. A copy is
* included in the COPYING file that accompanied this code.
-
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* Copyright 2009 Sun Microsystems, Inc. All rights reserved
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define _LOD_INTERNAL_H
#include <libcfs/libcfs.h>
+#include <lustre_cfg.h>
#include <obd.h>
#include <dt_object.h>
#define LOV_USES_ASSIGNED_STRIPE 0
#define LOV_USES_DEFAULT_STRIPE 1
+/* Special values to remove LOV EA from disk */
+#define LOVEA_DELETE_VALUES(size, count, offset, pool) \
+ ((size) == 0 && (count) == 0 && \
+ (offset) == (typeof(offset))(-1) && (pool) == NULL)
+
+#define LMVEA_DELETE_VALUES(count, offset) \
+ ((count) == 0 && (offset) == (typeof(offset))(-1))
+
+#define LOV_OFFSET_DEFAULT ((__u16)-1)
+
struct lod_qos_rr {
+ spinlock_t lqr_alloc; /* protect allocation index */
__u32 lqr_start_idx; /* start index of new inode */
- __u32 lqr_offset_idx; /* aliasing for start_idx */
- int lqr_start_count; /* reseed counter */
+ __u32 lqr_offset_idx;/* aliasing for start_idx */
+ int lqr_start_count;/* reseed counter */
struct ost_pool lqr_pool; /* round-robin optimized list */
unsigned long lqr_dirty:1; /* recalc round-robin list */
};
struct ost_pool pool_obds; /* pool members */
atomic_t pool_refcount;
struct lod_qos_rr pool_rr;
- cfs_hlist_node_t pool_hash; /* access by poolname */
+ struct hlist_node pool_hash; /* access by poolname */
struct list_head pool_list;
struct proc_dir_entry *pool_proc_entry;
struct obd_device *pool_lobd; /* owner */
__u32 ltd_index;
struct ltd_qos ltd_qos; /* qos info per target */
struct obd_statfs ltd_statfs;
+ struct ptlrpc_thread *ltd_recovery_thread;
unsigned long ltd_active:1,/* is this target up for requests */
ltd_activate:1,/* should target be activated */
- ltd_reap:1; /* should this target be deleted */
+ ltd_reap:1, /* should this target be deleted */
+ ltd_got_update_log:1, /* Already got update log */
+ ltd_connecting:1; /* target is connecting */
};
#define TGT_PTRS 256 /* number of pointers at 1st level */
/* Size of the lod_tgts array, granted to be a power of 2 */
__u32 ltd_tgts_size;
/* number of registered TGTs */
- int ltd_tgtnr;
+ __u32 ltd_tgtnr;
/* bitmap of TGTs available */
- cfs_bitmap_t *ltd_tgt_bitmap;
+ struct cfs_bitmap *ltd_tgt_bitmap;
/* TGTs scheduled to be deleted */
__u32 ltd_death_row;
/* Table refcount used for delayed deletion */
struct dt_device lod_dt_dev;
struct obd_export *lod_child_exp;
struct dt_device *lod_child;
- cfs_proc_dir_entry_t *lod_proc_entry;
+ struct proc_dir_entry *lod_proc_entry;
struct lprocfs_stats *lod_stats;
spinlock_t lod_connects_lock;
int lod_connects;
unsigned int lod_recovery_completed:1,
- lod_initialized:1;
+ lod_initialized:1,
+ lod_lmv_failout:1,
+ lod_child_got_update_log:1;
/* lov settings descriptor storing static information */
struct lov_desc lod_desc;
- /* use to protect ld_active_tgt_count and all ltd_active */
- spinlock_t lod_desc_lock;
+ /* protect ld_active_tgt_count, ltd_active and lod_md_root */
+ spinlock_t lod_lock;
/* Description of OST */
struct lod_tgt_descs lod_ost_descs;
/* Description of MDT */
struct lod_tgt_descs lod_mdt_descs;
+ /* Recovery thread for lod_child */
+ struct ptlrpc_thread lod_child_recovery_thread;
+
/* maximum EA size underlied OSD may have */
unsigned int lod_osd_max_easize;
struct lod_qos lod_qos; /* qos info per lod */
/* OST pool data */
- struct ost_pool lod_pool_info; /* all OSTs in a packed array */
- int lod_pool_count;
- cfs_hash_t *lod_pools_hash_body; /* used for key access */
- cfs_list_t lod_pool_list; /* used for sequential access */
- cfs_proc_dir_entry_t *lod_pool_proc_entry;
+ struct ost_pool lod_pool_info; /* all OSTs in a packed array */
+ int lod_pool_count;
+ struct cfs_hash *lod_pools_hash_body; /* used for key access */
+ struct list_head lod_pool_list; /* used for sequential access */
+ struct proc_dir_entry *lod_pool_proc_entry;
enum lustre_sec_part lod_sp_me;
- cfs_proc_dir_entry_t *lod_symlink;
+ struct proc_dir_entry *lod_symlink;
+
+ /* ROOT object, used to fetch FS default striping */
+ struct lod_object *lod_md_root;
};
#define lod_osts lod_ost_descs.ltd_tgts
#define ltd_mdt ltd_tgt
#define lod_mdt_desc lod_tgt_desc
-struct lod_dir_stripe_info {
- __u32 ldsi_stripe_offset;
- __u32 ldsi_def_stripenr;
- __u32 ldsi_def_stripe_offset;
- __u32 ldsi_def_hash_type;
- __u32 ldsi_hash_type;
-
- unsigned int ldsi_striping_cached:1,
- ldsi_def_striping_set:1,
- ldsi_striped:1;
+struct lod_default_striping {
+ /* default LOV */
+ __u32 lds_def_stripe_size;
+ __u16 lds_def_stripenr;
+ __u16 lds_def_stripe_offset;
+ char lds_def_pool[LOV_MAXPOOLNAME + 1];
+ /* default LMV */
+ __u32 lds_dir_def_stripenr;
+ __u32 lds_dir_def_stripe_offset;
+ __u32 lds_dir_def_hash_type;
+ /* flags whether default striping is set */
+ __u32 lds_def_striping_set:1,
+ lds_dir_def_striping_set:1;
};
-/*
- * XXX: shrink this structure, currently it's 72bytes on 32bit arch,
- * so, slab will be allocating 128bytes
- */
struct lod_object {
- struct dt_object ldo_obj;
-
- /* if object is striped, then the next fields describe stripes */
- /* For striped directory, ldo_stripenr == slave stripe count */
- __u16 ldo_stripenr;
- __u16 ldo_layout_gen;
- __u32 ldo_stripe_size;
- __u32 ldo_pattern;
- __u16 ldo_released_stripenr;
- char *ldo_pool;
- struct dt_object **ldo_stripe;
- /* to know how much memory to free, ldo_stripenr can be less */
- /* default striping for directory represented by this object
- * is cached in stripenr/stripe_size */
- unsigned int ldo_stripes_allocated:16,
- ldo_striping_cached:1,
- ldo_def_striping_set:1,
- /* ldo_dir_slave_stripe indicate this is a slave stripe of
- * a striped dir */
- ldo_dir_slave_stripe:1;
- __u32 ldo_def_stripe_size;
- __u16 ldo_def_stripenr;
- __u16 ldo_def_stripe_offset;
- struct lod_dir_stripe_info *ldo_dir_stripe;
+ struct dt_object ldo_obj;
+ union {
+ /* file stripe */
+ struct {
+ /*
+ * don't change field order, because both file and
+ * directory use ldo_stripenr/ldo_stripes_allocated
+ * to access stripe number.
+ */
+ __u16 ldo_stripenr;
+ __u16 ldo_stripes_allocated;
+ __u16 ldo_layout_gen;
+ __u16 ldo_released_stripenr;
+ __u32 ldo_pattern;
+ __u32 ldo_stripe_size;
+ __u16 ldo_stripe_offset;
+ char *ldo_pool;
+ };
+ /* directory stripe */
+ struct {
+ __u16 ldo_dir_stripenr;
+ __u16 ldo_dir_stripes_allocated;
+ __u32 ldo_dir_stripe_offset;
+ __u32 ldo_dir_hash_type;
+ __u32 ldo_dir_slave_stripe:1,
+ ldo_dir_striped:1;
+ /*
+ * default striping is not cached, so this field is
+ * invalid after create, make sure it's used by
+ * lod_dir_striping_create_internal() only.
+ */
+ struct lod_default_striping *ldo_def_striping;
+ };
+ };
+ struct dt_object **ldo_stripe;
};
-#define ldo_dir_stripe_offset ldo_dir_stripe->ldsi_stripe_offset
-#define ldo_dir_def_stripenr ldo_dir_stripe->ldsi_def_stripenr
-#define ldo_dir_hash_type ldo_dir_stripe->ldsi_hash_type
-#define ldo_dir_def_hash_type ldo_dir_stripe->ldsi_def_hash_type
-#define ldo_dir_striping_cached ldo_dir_stripe->ldsi_striping_cached
-#define ldo_dir_striped ldo_dir_stripe->ldsi_striped
-#define ldo_dir_def_striping_set ldo_dir_stripe->ldsi_def_striping_set
-#define ldo_dir_def_stripe_offset ldo_dir_stripe->ldsi_def_stripe_offset
+static inline int lod_object_set_pool(struct lod_object *lo, const char *pool)
+{
+ int len;
+
+ if (lo->ldo_pool != NULL) {
+ len = strlen(lo->ldo_pool) + 1;
+ OBD_FREE(lo->ldo_pool, len);
+ lo->ldo_pool = NULL;
+ }
+ if (pool != NULL) {
+ len = strlen(pool) + 1;
+ OBD_ALLOC(lo->ldo_pool, len);
+ if (lo->ldo_pool == NULL)
+ return -ENOMEM;
+ strlcpy(lo->ldo_pool, pool, len);
+ }
+ return 0;
+}
struct lod_it {
struct dt_object *lit_obj; /* object from the layer below */
};
struct lod_thread_info {
- /* per-thread buffer for LOV EA */
- void *lti_ea_store;
- int lti_ea_store_size;
+ /* per-thread buffer for LOV EA, may be vmalloc'd */
+ void *lti_ea_store;
+ __u32 lti_ea_store_size;
/* per-thread buffer for LMV EA */
- struct lu_buf lti_buf;
- struct ost_id lti_ostid;
- struct lu_fid lti_fid;
- struct obd_statfs lti_osfs;
- struct lu_attr lti_attr;
- struct lod_it lti_it;
- struct ldlm_res_id lti_res_id;
-
- /* used to hold lu_dirent, NAME_MAX + sizeof(struct lu_dirent) */
- char lti_key[NAME_MAX + sizeof(struct lu_dirent)];
-
- struct dt_object_format lti_format;
+ struct lu_buf lti_buf;
+ struct ost_id lti_ostid;
+ struct lu_fid lti_fid;
+ struct obd_statfs lti_osfs;
+ struct lu_attr lti_attr;
+ struct lod_it lti_it;
+ struct ldlm_res_id lti_res_id;
+ /* used to hold lu_dirent, sizeof(struct lu_dirent) + NAME_MAX */
+ char lti_key[sizeof(struct lu_dirent) +
+ NAME_MAX];
+ struct dt_object_format lti_format;
+ struct lu_name lti_name;
+ struct lu_buf lti_linkea_buf;
+ struct dt_insert_rec lti_dt_rec;
+ struct llog_catid lti_cid;
+ struct llog_cookie lti_cookie;
+ struct lustre_cfg lti_lustre_cfg;
+ /* used to store parent default striping in create */
+ struct lod_default_striping lti_def_striping;
};
extern const struct lu_device_operations lod_lu_ops;
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);
-}
-
extern struct lu_context_key lod_thread_key;
static inline struct lod_thread_info *lod_env_info(const struct lu_env *env)
return info;
}
+static inline struct lu_name *
+lod_name_get(const struct lu_env *env, const void *area, int len)
+{
+ struct lu_name *lname;
+
+ lname = &lod_env_info(env)->lti_name;
+ lname->ln_name = area;
+ lname->ln_namelen = len;
+ return lname;
+}
+
#define lod_foreach_ost(__dev, index) \
if ((__dev)->lod_osts_size > 0) \
cfs_foreach_bit((__dev)->lod_ost_bitmap, (index))
+#define lod_foreach_mdt(mdt_dev, index) \
+ cfs_foreach_bit((mdt_dev)->lod_mdt_bitmap, (index))
+
/* lod_dev.c */
+extern struct kmem_cache *lod_object_kmem;
int lod_fld_lookup(const struct lu_env *env, struct lod_device *lod,
const struct lu_fid *fid, __u32 *tgt, int *flags);
+int lod_sub_init_llog(const struct lu_env *env, struct lod_device *lod,
+ struct dt_device *dt);
+void lod_sub_fini_llog(const struct lu_env *env,
+ struct dt_device *dt, struct ptlrpc_thread *thread);
+int lodname2mdt_index(char *lodname, __u32 *mdt_index);
+extern void target_recovery_fini(struct obd_device *obd);
+
/* lod_lov.c */
void lod_getref(struct lod_tgt_descs *ltd);
void lod_putref(struct lod_device *lod, struct lod_tgt_descs *ltd);
const struct lu_buf *buf);
int lod_initialize_objects(const struct lu_env *env, struct lod_object *mo,
struct lov_ost_data_v1 *objs);
-int lod_store_def_striping(const struct lu_env *env, struct dt_object *dt,
- struct thandle *th);
int lod_verify_striping(struct lod_device *d, const struct lu_buf *buf,
bool is_from_disk);
int lod_generate_and_set_lovea(const struct lu_env *env,
struct lod_object *mo, struct thandle *th);
-int lod_ea_store_resize(struct lod_thread_info *info, int size);
+int lod_ea_store_resize(struct lod_thread_info *info, size_t size);
/* lod_pool.c */
int lod_ost_pool_add(struct ost_pool *op, __u32 idx, unsigned int min_count);
int lod_ost_pool_remove(struct ost_pool *op, __u32 idx);
int lod_ost_pool_free(struct ost_pool *op);
int lod_pool_del(struct obd_device *obd, char *poolname);
int lod_ost_pool_init(struct ost_pool *op, unsigned int count);
-extern cfs_hash_ops_t pool_hash_operations;
+extern struct cfs_hash_ops pool_hash_operations;
int lod_check_index_in_pool(__u32 idx, struct pool_desc *pool);
int lod_pool_new(struct obd_device *obd, char *poolname);
int lod_pool_add(struct obd_device *obd, char *poolname, char *ostname);
struct thandle *th);
int qos_add_tgt(struct lod_device*, struct lod_tgt_desc *);
int qos_del_tgt(struct lod_device *, struct lod_tgt_desc *);
+void lod_qos_rr_init(struct lod_qos_rr *lqr);
/* lproc_lod.c */
int lod_procfs_init(struct lod_device *lod);
void lod_procfs_fini(struct lod_device *lod);
/* lod_object.c */
-int lod_object_set_pool(struct lod_object *o, char *pool);
+extern struct dt_object_operations lod_obj_ops;
+extern struct lu_object_operations lod_lu_obj_ops;
+int lod_load_lmv_shards(const struct lu_env *env, struct lod_object *lo,
+ struct lu_buf *buf, bool resize);
int lod_declare_striped_object(const struct lu_env *env, struct dt_object *dt,
struct lu_attr *attr,
const struct lu_buf *lovea, struct thandle *th);
struct thandle *th);
void lod_object_free_striping(const struct lu_env *env, struct lod_object *lo);
+/* lod_sub_object.c */
+struct thandle *lod_sub_get_thandle(const struct lu_env *env,
+ struct thandle *th,
+ const struct dt_object *sub_obj,
+ bool *record_update);
+int lod_sub_object_declare_create(const struct lu_env *env,
+ struct dt_object *dt,
+ struct lu_attr *attr,
+ struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
+ struct thandle *th);
+int lod_sub_object_create(const struct lu_env *env, struct dt_object *dt,
+ struct lu_attr *attr,
+ struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
+ struct thandle *th);
+int lod_sub_object_declare_ref_add(const struct lu_env *env,
+ struct dt_object *dt,
+ struct thandle *th);
+int lod_sub_object_ref_add(const struct lu_env *env, struct dt_object *dt,
+ struct thandle *th);
+int lod_sub_object_declare_ref_del(const struct lu_env *env,
+ struct dt_object *dt,
+ struct thandle *th);
+int lod_sub_object_ref_del(const struct lu_env *env, struct dt_object *dt,
+ struct thandle *th);
+int lod_sub_object_declare_destroy(const struct lu_env *env,
+ struct dt_object *dt,
+ struct thandle *th);
+int lod_sub_object_destroy(const struct lu_env *env, struct dt_object *dt,
+ struct thandle *th);
+int lod_sub_object_declare_insert(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct dt_rec *rec,
+ const struct dt_key *key,
+ struct thandle *th);
+int lod_sub_object_index_insert(const struct lu_env *env, struct dt_object *dt,
+ const struct dt_rec *rec,
+ const struct dt_key *key, struct thandle *th,
+ int ign);
+int lod_sub_object_declare_delete(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct dt_key *key,
+ struct thandle *th);
+int lod_sub_object_delete(const struct lu_env *env, struct dt_object *dt,
+ const struct dt_key *name, struct thandle *th);
+int lod_sub_object_declare_xattr_set(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_buf *buf,
+ const char *name, int fl,
+ struct thandle *th);
+int lod_sub_object_xattr_set(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_buf *buf, const char *name, int fl,
+ struct thandle *th);
+int lod_sub_object_declare_attr_set(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_attr *attr,
+ struct thandle *th);
+int lod_sub_object_attr_set(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_attr *attr,
+ struct thandle *th);
+int lod_sub_object_declare_xattr_del(const struct lu_env *env,
+ struct dt_object *dt,
+ const char *name,
+ struct thandle *th);
+int lod_sub_object_xattr_del(const struct lu_env *env,
+ struct dt_object *dt,
+ const char *name,
+ struct thandle *th);
+int lod_sub_object_declare_write(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_buf *buf, loff_t pos,
+ struct thandle *th);
+ssize_t lod_sub_object_write(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_buf *buf, loff_t *pos,
+ struct thandle *th, int rq);
+int lod_sub_object_declare_punch(const struct lu_env *env,
+ struct dt_object *dt,
+ __u64 start, __u64 end,
+ struct thandle *th);
+int lod_sub_object_punch(const struct lu_env *env, struct dt_object *dt,
+ __u64 start, __u64 end, struct thandle *th);
+
+int lod_sub_prep_llog(const struct lu_env *env, struct lod_device *lod,
+ struct dt_device *dt, int index);
#endif
-