X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Flod%2Flod_internal.h;h=60617cff7e77e7749cc95a066b800d9c968648a0;hp=6d99ad5bb63a6b7ebb00b7e3543b8aff0c422738;hb=4f53536d002c13886210b672b657795baa067144;hpb=cdc30d39c11424404de9bab40c8e30203143fde8;ds=sidebyside diff --git a/lustre/lod/lod_internal.h b/lustre/lod/lod_internal.h index 6d99ad5..60617cf 100644 --- a/lustre/lod/lod_internal.h +++ b/lustre/lod/lod_internal.h @@ -6,13 +6,13 @@ * 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 @@ -23,7 +23,7 @@ * Copyright 2009 Sun Microsystems, Inc. All rights reserved * Use is subject to license terms. * - * Copyright (c) 2012, 2013, Intel Corporation. + * Copyright (c) 2012, 2014, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -45,6 +45,16 @@ #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 { __u32 lqr_start_idx; /* start index of new inode */ __u32 lqr_offset_idx; /* aliasing for start_idx */ @@ -58,7 +68,7 @@ struct pool_desc { 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 */ @@ -112,9 +122,11 @@ struct lod_tgt_desc { __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 */ }; #define TGT_PTRS 256 /* number of pointers at 1st level */ @@ -129,13 +141,14 @@ struct lod_tgt_desc_idx { TGT_PTRS_PER_BLOCK]->ldi_tgt[(index) % TGT_PTRS_PER_BLOCK]) #define OST_TGT(lod, index) LTD_TGT(&lod->lod_ost_descs, index) +#define MDT_TGT(lod, index) LTD_TGT(&lod->lod_mdt_descs, index) struct lod_tgt_descs { /* list of known TGTs */ struct lod_tgt_desc_idx *ltd_tgt_idx[TGT_PTRS]; /* 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; /* TGTs scheduled to be deleted */ @@ -152,12 +165,14 @@ struct lod_device { 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; @@ -170,6 +185,9 @@ struct lod_device { /* 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; @@ -180,15 +198,15 @@ struct lod_device { 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; + cfs_hash_t *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; }; #define lod_osts lod_ost_descs.ltd_tgts @@ -198,6 +216,25 @@ struct lod_device { #define ltd_ost ltd_tgt #define lod_ost_desc lod_tgt_desc +#define lod_mdts lod_mdt_descs.ltd_tgts +#define lod_mdt_bitmap lod_mdt_descs.ltd_tgt_bitmap +#define lod_remote_mdt_count lod_mdt_descs.ltd_tgtnr +#define lod_mdts_size lod_mdt_descs.ltd_tgts_size +#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_def_striping_set:1, + ldsi_def_striping_cached:1, + ldsi_striped:1; +}; + /* * XXX: shrink this structure, currently it's 72bytes on 32bit arch, * so, slab will be allocating 128bytes @@ -206,6 +243,7 @@ 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; @@ -218,29 +256,54 @@ struct lod_object { * is cached in stripenr/stripe_size */ unsigned int ldo_stripes_allocated:16, ldo_striping_cached:1, - ldo_def_striping_set:1; + ldo_def_striping_set:1, + ldo_def_striping_cached: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; - mdsno_t ldo_mds_num; + struct lod_dir_stripe_info *ldo_dir_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_striped ldo_dir_stripe->ldsi_striped +#define ldo_dir_def_striping_set ldo_dir_stripe->ldsi_def_striping_set +#define ldo_dir_def_striping_cached ldo_dir_stripe->ldsi_def_striping_cached +#define ldo_dir_def_stripe_offset ldo_dir_stripe->ldsi_def_stripe_offset struct lod_it { struct dt_object *lit_obj; /* object from the layer below */ + /* stripe offset of iteration */ + __u32 lit_stripe_index; + __u32 lit_attr; struct dt_it *lit_it; /* iterator from the layer below */ }; struct lod_thread_info { /* per-thread buffer for LOV EA */ void *lti_ea_store; - int lti_ea_store_size; + __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, 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; }; extern const struct lu_device_operations lod_lu_ops; @@ -300,12 +363,6 @@ static inline struct dt_object* lod_object_child(struct lod_object *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); -} - extern struct lu_context_key lod_thread_key; static inline struct lod_thread_info *lod_env_info(const struct lu_env *env) @@ -316,13 +373,34 @@ 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, mdsno_t *tgt, int flags); + 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); + /* lod_lov.c */ void lod_getref(struct lod_tgt_descs *ltd); void lod_putref(struct lod_device *lod, struct lod_tgt_descs *ltd); @@ -334,8 +412,29 @@ int lod_del_device(const struct lu_env *env, struct lod_device *lod, unsigned gen, bool for_ost); int lod_fini_tgt(const struct lu_env *env, struct lod_device *lod, struct lod_tgt_descs *ltd, bool for_ost); -int lod_load_striping(const struct lu_env *env, struct lod_object *mo); -int lod_get_lov_ea(const struct lu_env *env, struct lod_object *mo); +int lod_load_striping_locked(const struct lu_env *env, struct lod_object *lo); +int lod_load_striping(const struct lu_env *env, struct lod_object *lo); + +int lod_get_ea(const struct lu_env *env, struct lod_object *lo, + const char *name); +static inline int +lod_get_lov_ea(const struct lu_env *env, struct lod_object *lo) +{ + return lod_get_ea(env, lo, XATTR_NAME_LOV); +} + +static inline int +lod_get_lmv_ea(const struct lu_env *env, struct lod_object *lo) +{ + return lod_get_ea(env, lo, XATTR_NAME_LMV); +} + +static inline int +lod_get_default_lmv_ea(const struct lu_env *env, struct lod_object *lo) +{ + return lod_get_ea(env, lo, XATTR_NAME_DEFAULT_LMV); +} + void lod_fix_desc(struct lov_desc *desc); void lod_fix_desc_qos_maxage(__u32 *val); void lod_fix_desc_pattern(__u32 *val); @@ -345,14 +444,15 @@ int lod_pools_init(struct lod_device *m, struct lustre_cfg *cfg); int lod_pools_fini(struct lod_device *m); int lod_parse_striping(const struct lu_env *env, struct lod_object *mo, const struct lu_buf *buf); +int lod_parse_dir_striping(const struct lu_env *env, struct lod_object *lo, + 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, int specific); +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, 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); @@ -376,11 +476,14 @@ int qos_add_tgt(struct lod_device*, struct lod_tgt_desc *); int qos_del_tgt(struct lod_device *, struct lod_tgt_desc *); /* lproc_lod.c */ -void lprocfs_lod_init_vars(struct lprocfs_static_vars *lvars); int lod_procfs_init(struct lod_device *lod); void lod_procfs_fini(struct lod_device *lod); /* lod_object.c */ +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_object_set_pool(struct lod_object *o, char *pool); int lod_declare_striped_object(const struct lu_env *env, struct dt_object *dt, struct lu_attr *attr, @@ -390,5 +493,90 @@ int lod_striping_create(const struct lu_env *env, struct dt_object *dt, 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 -