4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
31 * lustre/mdd/mdd_internal.h
33 * Author: Wang Di <wangdi@clusterfs.com>
36 #ifndef _MDD_INTERNAL_H
37 #define _MDD_INTERNAL_H
39 #include <lustre_acl.h>
40 #include <lustre_compat.h>
41 #include <md_object.h>
42 #include <dt_object.h>
43 #include <lustre_lfsck.h>
44 #include <lustre_fid.h>
45 #include <lprocfs_status.h>
46 #include <lustre_log.h>
47 #include <lustre_linkea.h>
49 /* ChangeLog params for automatic purge mechanism */
50 /* max time allowed for a user to stay idle in seconds */
51 #define CHLOG_MAX_IDLE_TIME 2592000 /* = 30 days */
52 /* max gap allowed for a user to stay idle in number of ChangeLog records
53 * this is an evaluation, assuming that chunk-size is LLOG_MIN_CHUNK_SIZE, of
54 * the indexes gap for half full changelogs */
55 #define CHLOG_MAX_IDLE_INDEXES (((LLOG_MIN_CHUNK_SIZE - \
56 offsetof(struct llog_log_hdr, \
58 sizeof(struct llog_rec_tail)) * 4) * \
59 ((LLOG_MIN_CHUNK_SIZE - \
60 offsetof(struct llog_log_hdr, \
62 sizeof(struct llog_rec_tail)) * 8))
63 /* min time in seconds between two gc thread runs if none already started */
64 #define CHLOG_MIN_GC_INTERVAL 3600
65 /* minimum number of free ChangeLog catalog entries (ie, between cur and
66 * last indexes) before starting garbage collect */
67 #define CHLOG_MIN_FREE_CAT_ENTRIES 2
70 /** changelog is recording */
71 #define CLM_ON 0x00001
72 /** internal error prevented changelogs from starting */
73 #define CLM_ERR 0x00002
75 /** changelogs turned on */
76 #define CLM_START 0x10000
77 /** changelogs turned off */
78 #define CLM_FINI 0x20000
79 /** some changelog records purged */
80 #define CLM_PURGE 0x40000
81 /** changelog cleanup done, to prevent double cleanup */
82 #define CLM_CLEANUP_DONE 0x80000
84 #define LLOG_CHANGELOG_HDR_SZ (sizeof(struct llog_changelog_rec) - \
85 sizeof(struct changelog_rec))
86 /* mc_gc_task values */
87 /** no GC thread to be started **/
88 #define MDD_CHLG_GC_NONE NULL
89 /** a GC thread need to be started **/
90 #define MDD_CHLG_GC_NEED (struct task_struct *)(-1)
91 /** a GC thread will be started now **/
92 #define MDD_CHLG_GC_START (struct task_struct *)(-2)
93 /** else the started task_struct address when running **/
95 struct mdd_changelog {
96 spinlock_t mc_lock; /* for index */
98 __u32 mc_proc_mask; /* per-server mask set via parameters */
99 __u32 mc_current_mask; /* combined global+users */
100 __u32 mc_mintime; /* the oldest changelog user time */
101 __u64 mc_minrec; /* last known minimal used index */
103 ktime_t mc_starttime;
104 spinlock_t mc_user_lock;
106 int mc_users; /* registered users number */
107 struct task_struct *mc_gc_task;
108 time64_t mc_gc_time; /* last GC check or run time */
109 unsigned int mc_deniednext; /* interval for recording denied
114 static inline __u64 cl_time(void)
116 struct timespec64 time;
118 ktime_get_real_ts64(&time);
119 return (((__u64)time.tv_sec) << 30) + time.tv_nsec;
122 /** Objects in .lustre dir */
123 struct mdd_dot_lustre_objs {
124 struct mdd_object *mdd_obf;
125 struct mdd_object *mdd_lpf;
128 struct mdd_generic_thread {
129 struct completion mgt_started;
130 struct completion mgt_finished;
137 struct md_device mdd_md_dev;
138 struct obd_export *mdd_child_exp;
139 struct dt_device *mdd_child;
140 struct dt_device *mdd_bottom;
141 struct lu_fid mdd_root_fid; /* /ROOT */
142 struct lu_fid mdd_local_root_fid;
143 struct dt_device_param mdd_dt_conf;
144 struct dt_object *mdd_orphans; /* PENDING directory */
145 struct mdd_changelog mdd_cl;
146 unsigned int mdd_changelog_gc;
147 /* emrg GC is in progress */
148 bool mdd_changelog_emrg_gc;
149 /* don't use GC by free space */
150 bool mdd_changelog_free_space_gc;
151 time64_t mdd_changelog_max_idle_time;
152 unsigned long mdd_changelog_max_idle_indexes;
153 time64_t mdd_changelog_min_gc_interval;
154 unsigned int mdd_changelog_min_free_cat_entries;
155 time64_t mdd_atime_diff;
156 struct mdd_object *mdd_dot_lustre;
157 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
158 unsigned int mdd_sync_permission;
160 int mdd_append_stripe_count;
161 char mdd_append_pool[LOV_MAXPOOLNAME + 1];
162 struct local_oid_storage *mdd_los;
163 struct mdd_generic_thread mdd_orphan_cleanup_thread;
164 struct kobject mdd_kobj;
165 struct kobj_type mdd_ktype;
166 struct completion mdd_kobj_unregister;
170 /* The dir object has been unlinked */
173 VOLATILE_OBJ = BIT(4),
177 struct md_object mod_obj;
182 unsigned long mod_flags;
183 struct list_head mod_users; /**< unique user opens */
186 #define MDI_KEEP_KEY 0x01
188 struct mdd_thread_info {
189 struct lu_fid mdi_fid;
190 struct lu_fid mdi_fid2; /* used for be & cpu converting */
192 * only be used by MDD interfaces, can be passed into local MDD APIs.
194 struct lu_attr mdi_pattr;
195 struct lu_attr mdi_cattr;
196 struct lu_attr mdi_tpattr;
197 struct lu_attr mdi_tattr;
198 /** used to set ctime/mtime */
199 struct lu_attr mdi_la_for_fix;
200 /* Only used in mdd_object_start */
201 struct lu_attr mdi_la_for_start;
202 /* mdi_ent/mdi_key must be together so mdi_ent::lde_name is mdi_key */
203 struct lu_dirent mdi_ent;
204 char mdi_key[NAME_MAX + 16];
206 char mdi_name[NAME_MAX + 1];
207 struct lu_buf mdi_buf[4];
208 /* persistent buffers, must be handled with lu_buf_alloc/free */
209 struct lu_buf mdi_big_buf;
210 struct lu_buf mdi_chlg_buf;
211 struct lu_buf mdi_link_buf; /* buf for link ea */
212 struct lu_buf mdi_xattr_buf;
214 struct dt_allocation_hint mdi_hint;
215 struct dt_object_format mdi_dof;
216 struct linkea_data mdi_link_data;
217 struct md_op_spec mdi_spec;
218 struct dt_insert_rec mdi_dt_rec;
219 struct lu_seq_range mdi_range;
220 struct md_layout_change mdi_mlc;
223 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
225 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
227 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
228 const struct md_attr *ma);
229 int mdd_attr_set_internal(const struct lu_env *env,
230 struct mdd_object *obj,
231 const struct lu_attr *attr,
232 struct thandle *handle,
234 int mdd_update_time(const struct lu_env *env, struct mdd_object *obj,
235 const struct lu_attr *oattr, struct lu_attr *attr,
236 struct thandle *handle);
237 int mdd_create(const struct lu_env *env, struct md_object *pobj,
238 const struct lu_name *lname, struct md_object *child,
239 struct md_op_spec *spec, struct md_attr *ma);
240 int mdd_create_object_internal(const struct lu_env *env, struct mdd_object *p,
241 struct mdd_object *c, struct lu_attr *attr,
242 struct thandle *handle,
243 const struct md_op_spec *spec,
244 struct dt_allocation_hint *hint);
247 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
248 enum dt_object_role role);
249 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
250 enum dt_object_role role);
251 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
252 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
253 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
256 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
257 const struct lu_attr *pattr, struct mdd_object *cobj,
259 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
260 const struct lu_attr *pattr, const struct lu_attr *attr);
261 int mdd_may_delete(const struct lu_env *env, struct mdd_object *tpobj,
262 const struct lu_attr *tpattr, struct mdd_object *tobj,
263 const struct lu_attr *tattr, const struct lu_attr *cattr,
264 int check_perm, int check_empty);
265 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
266 const struct lu_attr *pattr,
267 struct mdd_object *cobj,
268 const struct lu_attr *cattr);
269 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
270 struct md_attr *ma, struct mdd_object *pobj,
271 const struct lu_name *lname, struct thandle *th);
273 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
274 int mdd_lookup(const struct lu_env *env,
275 struct md_object *pobj, const struct lu_name *lname,
276 struct lu_fid* fid, struct md_op_spec *spec);
277 int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj,
278 struct linkea_data *ldata, struct thandle *handle);
279 int mdd_links_read(const struct lu_env *env,
280 struct mdd_object *mdd_obj,
281 struct linkea_data *ldata);
282 struct lu_buf *mdd_links_get(const struct lu_env *env,
283 struct mdd_object *mdd_obj);
284 int mdd_links_rename(const struct lu_env *env,
285 struct mdd_object *mdd_obj,
286 const struct lu_fid *oldpfid,
287 const struct lu_name *oldlname,
288 const struct lu_fid *newpfid,
289 const struct lu_name *newlname,
290 struct thandle *handle,
291 struct linkea_data *ldata,
292 int first, int check);
293 int mdd_dir_layout_shrink(const struct lu_env *env,
294 struct md_object *md_obj,
295 struct md_layout_change *mlc);
296 int mdd_dir_layout_split(const struct lu_env *env, struct md_object *o,
297 struct md_layout_change *mlc);
299 int mdd_changelog_write_rec(const struct lu_env *env,
300 struct llog_handle *loghandle,
301 struct llog_rec_hdr *rec,
302 struct llog_cookie *cookie,
303 int idx, struct thandle *th);
305 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
307 #define MDD_ENV_VAR(env, var) (&mdd_env_info(env)->mdi_##var)
309 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
310 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
311 const void *area, ssize_t len);
313 int mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
314 int mdd_orphan_insert(const struct lu_env *env, struct mdd_object *obj,
315 struct thandle *thandle);
316 int mdd_orphan_delete(const struct lu_env *env, struct mdd_object *obj,
317 struct thandle *thandle);
318 int mdd_orphan_index_init(const struct lu_env *env, struct mdd_device *mdd);
319 void mdd_orphan_index_fini(const struct lu_env *env, struct mdd_device *mdd);
320 int mdd_orphan_declare_insert(const struct lu_env *env, struct mdd_object *obj,
321 umode_t mode, struct thandle *thandle);
322 int mdd_orphan_declare_delete(const struct lu_env *env, struct mdd_object *obj,
323 struct thandle *thandle);
324 int mdd_dir_is_empty(const struct lu_env *env, struct mdd_object *dir);
327 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
328 void mdd_procfs_fini(struct mdd_device *mdd);
331 extern struct kmem_cache *mdd_object_kmem;
332 extern const struct md_dir_operations mdd_dir_ops;
333 extern const struct md_object_operations mdd_obj_ops;
334 int mdd_readlink(const struct lu_env *env, struct md_object *obj,
336 extern struct lu_context_key mdd_thread_key;
337 extern const struct lu_device_operations mdd_lu_ops;
339 struct mdd_object *mdd_object_find(const struct lu_env *env,
340 struct mdd_device *d,
341 const struct lu_fid *f);
342 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
343 const struct lu_rdpg *rdpg);
344 int mdd_declare_changelog_store(const struct lu_env *env,
345 struct mdd_device *mdd,
346 enum changelog_rec_type type,
347 const struct lu_name *tname,
348 const struct lu_name *sname,
349 struct thandle *handle);
350 void mdd_changelog_rec_ext_jobid(struct changelog_rec *rec, const char *jobid);
351 void mdd_changelog_rec_ext_extra_flags(struct changelog_rec *rec, __u64 eflags);
352 void mdd_changelog_rec_extra_uidgid(struct changelog_rec *rec,
353 __u64 uid, __u64 gid);
354 void mdd_changelog_rec_extra_nid(struct changelog_rec *rec,
356 void mdd_changelog_rec_extra_omode(struct changelog_rec *rec, u32 flags);
357 void mdd_changelog_rec_extra_xattr(struct changelog_rec *rec,
358 const char *xattr_name);
359 int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
360 struct llog_changelog_rec *rec, struct thandle *th);
361 int mdd_changelog_data_store(const struct lu_env *env, struct mdd_device *mdd,
362 enum changelog_rec_type type,
363 enum changelog_rec_flags clf_flags,
364 struct mdd_object *mdd_obj,
365 struct thandle *handle,
366 const struct lu_fid *pfid);
367 int mdd_changelog_ns_store(const struct lu_env *env, struct mdd_device *mdd,
368 enum changelog_rec_type type,
369 enum changelog_rec_flags clf_flags,
370 struct mdd_object *target,
371 const struct lu_fid *tpfid,
372 const struct lu_fid *sfid,
373 const struct lu_fid *spfid,
374 const struct lu_name *tname,
375 const struct lu_name *sname,
376 struct thandle *handle);
377 int mdd_invalidate(const struct lu_env *env, struct md_object *obj);
378 int mdd_declare_create_object_internal(const struct lu_env *env,
379 struct mdd_object *p,
380 struct mdd_object *c,
381 struct lu_attr *attr,
382 struct thandle *handle,
383 const struct md_op_spec *spec,
384 struct dt_allocation_hint *hint);
385 int mdd_stripe_get(const struct lu_env *env, struct mdd_object *obj,
386 struct lu_buf *lmm_buf, const char *name);
387 int mdd_changelog_data_store_xattr(const struct lu_env *env,
388 struct mdd_device *mdd,
389 enum changelog_rec_type type,
390 enum changelog_rec_flags clf_flags,
391 struct mdd_object *mdd_obj,
392 const char *xattr_name,
393 struct thandle *handle);
394 int mdd_dom_fixup(const struct lu_env *env, struct mdd_device *mdd,
395 struct mdd_object *mo, struct mdd_object *vo);
398 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
399 struct mdd_object *child, const struct lu_attr *attr,
400 const struct md_op_spec *spec,
401 struct dt_allocation_hint *hint);
403 static inline void mdd_object_get(struct mdd_object *o)
405 lu_object_get(&o->mod_obj.mo_lu);
408 static inline void mdd_object_put(const struct lu_env *env,
409 struct mdd_object *o)
411 lu_object_put(env, &o->mod_obj.mo_lu);
414 struct thandle *mdd_trans_create(const struct lu_env *env,
415 struct mdd_device *mdd);
416 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
418 int mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
419 int rc, struct thandle *handle);
422 struct lu_object *mdd_object_alloc(const struct lu_env *env,
423 const struct lu_object_header *hdr,
424 struct lu_device *d);
425 int mdd_local_file_create(const struct lu_env *env, struct mdd_device *mdd,
426 const struct lu_fid *pfid, const char *name,
427 __u32 mode, struct lu_fid *fid);
429 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
430 struct thandle *handle);
431 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
432 struct lu_attr *attr, const struct lu_buf *buf, int fl);
433 int __mdd_fix_mode_acl(const struct lu_env *env, struct lu_buf *buf,
435 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
436 const struct lu_attr *la, unsigned int may_mask,
438 int mdd_permission(const struct lu_env *env, struct md_object *pobj,
439 struct md_object *cobj, struct md_attr *ma,
440 unsigned int may_mask);
441 int mdd_generic_thread_start(struct mdd_generic_thread *thread,
442 int (*func)(void *), void *data, char *name);
443 void mdd_generic_thread_stop(struct mdd_generic_thread *thread);
444 int mdd_changelog_user_purge(const struct lu_env *env, struct mdd_device *mdd,
446 char *mdd_chlg_username(struct llog_changelog_user_rec2 *rec, char *buf,
448 __u32 mdd_chlg_usermask(struct llog_changelog_user_rec2 *rec);
449 int mdd_changelog_recalc_mask(const struct lu_env *env, struct mdd_device *mdd);
452 int mdd_compat_fixes(const struct lu_env *env, struct mdd_device *mdd);
455 extern int lustre_posix_acl_permission(struct lu_ucred *mu,
456 const struct lu_attr *la,
457 unsigned int may_mask,
458 posix_acl_xattr_entry *entry,
460 extern int lustre_posix_acl_chmod_masq(posix_acl_xattr_entry *entry,
461 __u32 mode, int count);
462 extern int lustre_posix_acl_create_masq(posix_acl_xattr_entry *entry,
463 __u32 *pmode, int count);
464 extern int lustre_posix_acl_equiv_mode(posix_acl_xattr_entry *entry,
465 mode_t *mode_p, int count);
467 /* inline functions */
468 static inline int lu_device_is_mdd(struct lu_device *d)
470 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
473 static inline struct mdd_device *lu2mdd_dev(struct lu_device *d)
475 LASSERT(lu_device_is_mdd(d));
476 return container_of_safe(d, struct mdd_device, mdd_md_dev.md_lu_dev);
479 static inline struct lu_device *mdd2lu_dev(struct mdd_device *mdd)
481 return &mdd->mdd_md_dev.md_lu_dev;
484 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
486 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
487 return container_of_safe(o, struct mdd_object,
491 static inline struct mdd_device *mdo2mdd(struct md_object *mdo)
493 return lu2mdd_dev(mdo->mo_lu.lo_dev);
496 static inline struct mdd_object *md2mdd_obj(struct md_object *mdo)
498 return container_of_safe(mdo, struct mdd_object, mod_obj);
502 struct dt_device_operations *mdd_child_ops(struct mdd_device *mdd)
504 return mdd->mdd_child->dd_ops;
507 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
509 return &obj->mod_obj.mo_lu;
512 static inline struct dt_object *mdd_object_child(struct mdd_object *obj)
514 return container_of(lu_object_next(mdd2lu_obj(obj)),
515 struct dt_object, do_lu);
518 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
520 return (mdd->mdd_md_dev.md_lu_dev.ld_obd);
523 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
525 return mdo2mdd(&obj->mod_obj);
528 static inline umode_t mdd_object_type(const struct mdd_object *mdd_obj)
530 return lu_object_attr(&mdd_obj->mod_obj.mo_lu);
533 static inline int mdd_is_dead_obj(struct mdd_object *mdd_obj)
535 return mdd_obj && mdd_obj->mod_flags & DEAD_OBJ;
538 static inline bool mdd_is_volatile_obj(struct mdd_object *mdd_obj)
540 return mdd_obj->mod_flags & VOLATILE_OBJ;
543 static inline bool mdd_is_orphan_obj(struct mdd_object *mdd_obj)
545 return mdd_obj->mod_flags & ORPHAN_OBJ;
548 static inline int mdd_object_exists(struct mdd_object *mdd_obj)
550 return lu_object_exists(mdd2lu_obj(mdd_obj));
553 static inline int mdd_object_remote(struct mdd_object *mdd_obj)
555 return lu_object_remote(mdd2lu_obj(mdd_obj));
558 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *mdd_obj)
560 return lu_object_fid(mdd2lu_obj(mdd_obj));
563 static inline struct seq_server_site *mdd_seq_site(struct mdd_device *mdd)
565 return mdd2lu_dev(mdd)->ld_site->ld_seq_site;
568 static inline const char *mdd_obj_dev_name(const struct mdd_object *mdd_obj)
570 return lu_dev_name(mdd_obj->mod_obj.mo_lu.lo_dev);
573 #define MAX_ATIME_DIFF 60
575 static inline int mdd_permission_internal(const struct lu_env *env,
576 struct mdd_object *obj,
577 const struct lu_attr *la,
578 unsigned int may_mask)
580 return __mdd_permission_internal(env, obj, la, may_mask, -1);
583 static inline int mdd_permission_internal_locked(const struct lu_env *env,
584 struct mdd_object *obj,
585 const struct lu_attr *la,
586 unsigned int may_mask,
587 enum dt_object_role role)
589 return __mdd_permission_internal(env, obj, la, may_mask, role);
592 /* mdd inline func for calling osd_dt_object ops */
593 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
596 struct dt_object *next = mdd_object_child(obj);
597 return dt_attr_get(env, next, la);
600 static inline int mdo_declare_attr_set(const struct lu_env *env,
601 struct mdd_object *obj,
602 const struct lu_attr *la,
603 struct thandle *handle)
605 struct dt_object *next = mdd_object_child(obj);
606 return dt_declare_attr_set(env, next, la, handle);
609 static inline int mdo_attr_set(const struct lu_env *env,
610 struct mdd_object *obj,
611 const struct lu_attr *la,
612 struct thandle *handle)
614 struct dt_object *next = mdd_object_child(obj);
616 if (!mdd_object_exists(obj))
619 return dt_attr_set(env, next, la, handle);
622 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
623 struct lu_buf *buf, const char *name)
625 struct dt_object *next = mdd_object_child(obj);
626 return dt_xattr_get(env, next, buf, name);
629 static inline int mdo_declare_xattr_set(const struct lu_env *env,
630 struct mdd_object *obj,
631 const struct lu_buf *buf,
633 int fl, struct thandle *handle)
635 struct dt_object *next = mdd_object_child(obj);
638 rc = dt_declare_xattr_set(env, next, buf, name, fl, handle);
640 (strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT) == 0 ||
641 strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT_OLD) == 0)) {
642 struct lu_attr la = { 0 };
644 la.la_valid = LA_FLAGS;
645 la.la_flags = LUSTRE_ENCRYPT_FL;
646 rc = dt_declare_attr_set(env, next, &la, handle);
651 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
652 const struct lu_buf *buf, const char *name,
653 int fl, struct thandle *handle)
655 struct dt_object *next = mdd_object_child(obj);
658 if (!mdd_object_exists(obj))
661 /* If we are about to set the LL_XATTR_NAME_ENCRYPTION_CONTEXT
662 * xattr, it means the file/dir is encrypted. In that case we want
663 * to set the LUSTRE_ENCRYPT_FL flag as well: it will be stored
664 * into the LMA, making it more efficient to recognise we are
665 * dealing with an encrypted file/dir, as LMA info is cached upon
667 * However, marking a dir as encrypted is only possible if it is
668 * being created or migrated (LU_XATTR_CREATE flag not set), or
671 if ((strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT) == 0 ||
672 strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT_OLD) == 0) &&
673 (!S_ISDIR(mdd_object_type(obj)) ||
674 !(fl & LU_XATTR_CREATE) ||
675 (rc = mdd_dir_is_empty(env, obj)) == 0)) {
676 struct lu_attr la = { 0 };
678 la.la_valid = LA_FLAGS;
679 la.la_flags = LUSTRE_ENCRYPT_FL;
680 /* if this is an old client using the old enc xattr name,
681 * switch to the new name for consistency
683 if (strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT_OLD) == 0)
684 name = LL_XATTR_NAME_ENCRYPTION_CONTEXT;
685 rc = dt_attr_set(env, next, &la, handle);
688 rc = dt_xattr_set(env, next, buf, name, fl, handle);
693 static inline int mdo_declare_xattr_del(const struct lu_env *env,
694 struct mdd_object *obj,
696 struct thandle *handle)
698 struct dt_object *next = mdd_object_child(obj);
699 return dt_declare_xattr_del(env, next, name, handle);
702 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
703 const char *name, struct thandle *handle)
705 struct dt_object *next = mdd_object_child(obj);
707 if (!mdd_object_exists(obj))
710 return dt_xattr_del(env, next, name, handle);
714 mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
717 struct dt_object *next = mdd_object_child(obj);
719 if (!mdd_object_exists(obj))
722 return dt_xattr_list(env, next, buf);
726 mdo_invalidate(const struct lu_env *env, struct mdd_object *obj)
728 return dt_invalidate(env, mdd_object_child(obj));
732 mdo_declare_layout_change(const struct lu_env *env, struct mdd_object *obj,
733 struct md_layout_change *mlc, struct thandle *handle)
735 return dt_declare_layout_change(env, mdd_object_child(obj),
740 mdo_layout_change(const struct lu_env *env, struct mdd_object *obj,
741 struct md_layout_change *mlc, struct thandle *handle)
743 return dt_layout_change(env, mdd_object_child(obj), mlc, handle);
747 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
748 const struct lu_fid *fid, __u32 type,
749 const char *name, struct thandle *handle)
751 struct dt_object *next = mdd_object_child(obj);
755 * if the object doesn't exist yet, then it's supposed to be created
756 * and declaration of the creation should be enough to insert ./..
760 if (dt_try_as_dir(env, next, false)) {
761 struct dt_insert_rec *rec = &mdd_env_info(env)->mdi_dt_rec;
764 rec->rec_type = type;
765 rc = dt_declare_insert(env, next, (const struct dt_rec *)rec,
766 (const struct dt_key *)name, handle);
773 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
774 const char *name, struct thandle *handle)
776 struct dt_object *next = mdd_object_child(obj);
778 if (!dt_try_as_dir(env, next, true))
781 return dt_declare_delete(env, next, (const struct dt_key *)name,
785 static inline int mdo_declare_ref_add(const struct lu_env *env,
786 struct mdd_object *obj,
787 struct thandle *handle)
789 struct dt_object *next = mdd_object_child(obj);
790 return dt_declare_ref_add(env, next, handle);
793 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
794 struct thandle *handle)
796 struct dt_object *next = mdd_object_child(obj);
798 if (!mdd_object_exists(obj))
801 return dt_ref_add(env, next, handle);
804 static inline int mdo_declare_ref_del(const struct lu_env *env,
805 struct mdd_object *obj,
806 struct thandle *handle)
808 struct dt_object *next = mdd_object_child(obj);
809 return dt_declare_ref_del(env, next, handle);
812 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
813 struct thandle *handle)
815 struct dt_object *next = mdd_object_child(obj);
817 if (!mdd_object_exists(obj))
820 return dt_ref_del(env, next, handle);
824 mdo_declare_create_object(const struct lu_env *env, struct mdd_object *obj,
825 struct lu_attr *attr, struct dt_allocation_hint *hint,
826 struct dt_object_format *dof, struct thandle *handle)
828 struct dt_object *next = mdd_object_child(obj);
829 return dt_declare_create(env, next, attr, hint, dof, handle);
833 mdo_create_object(const struct lu_env *env, struct mdd_object *obj,
834 struct lu_attr *attr, struct dt_allocation_hint *hint,
835 struct dt_object_format *dof, struct thandle *handle)
837 struct dt_object *next = mdd_object_child(obj);
838 return dt_create(env, next, attr, hint, dof, handle);
842 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
843 struct thandle *handle)
845 struct dt_object *next = mdd_object_child(o);
846 return dt_declare_destroy(env, next, handle);
850 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
851 struct thandle *handle)
853 struct dt_object *next = mdd_object_child(o);
854 return dt_destroy(env, next, handle);
857 static inline bool mdd_changelog_enabled(const struct lu_env *env,
858 struct mdd_device *mdd,
859 enum changelog_rec_type type)
861 const struct lu_ucred *uc;
863 if ((mdd->mdd_cl.mc_flags & CLM_ON) &&
864 (mdd->mdd_cl.mc_current_mask & BIT(type))) {
865 uc = lu_ucred_check(env);
867 return uc != NULL ? uc->uc_enable_audit : true;
873 static inline bool mdd_changelog_is_too_idle(struct mdd_device *mdd,
874 __u64 cl_rec, __u32 cl_time)
876 __u64 idle_indexes = mdd->mdd_cl.mc_index - cl_rec;
877 __u32 idle_time = (__u32)ktime_get_real_seconds() - cl_time;
879 return (idle_indexes > mdd->mdd_changelog_max_idle_indexes ||
880 idle_time > mdd->mdd_changelog_max_idle_time ||
881 idle_time * idle_indexes > (24 * 3600ULL << 32));
884 bool mdd_changelog_is_space_safe(const struct lu_env *env,
885 struct mdd_device *mdd,
886 struct llog_handle *lgh,