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_object_internal(const struct lu_env *env, struct mdd_object *p,
238 struct mdd_object *c, struct lu_attr *attr,
239 struct thandle *handle,
240 const struct md_op_spec *spec,
241 struct dt_allocation_hint *hint);
244 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
245 enum dt_object_role role);
246 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
247 enum dt_object_role role);
248 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
249 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
250 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
253 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
254 const struct lu_attr *pattr, struct mdd_object *cobj,
256 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
257 const struct lu_attr *pattr, const struct lu_attr *attr);
258 int mdd_may_delete(const struct lu_env *env, struct mdd_object *tpobj,
259 const struct lu_attr *tpattr, struct mdd_object *tobj,
260 const struct lu_attr *tattr, const struct lu_attr *cattr,
261 int check_perm, int check_empty);
262 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
263 const struct lu_attr *pattr,
264 struct mdd_object *cobj,
265 const struct lu_attr *cattr);
266 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
267 struct md_attr *ma, struct mdd_object *pobj,
268 const struct lu_name *lname, struct thandle *th);
270 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
271 int mdd_lookup(const struct lu_env *env,
272 struct md_object *pobj, const struct lu_name *lname,
273 struct lu_fid* fid, struct md_op_spec *spec);
274 int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj,
275 struct linkea_data *ldata, struct thandle *handle);
276 int mdd_links_read(const struct lu_env *env,
277 struct mdd_object *mdd_obj,
278 struct linkea_data *ldata);
279 struct lu_buf *mdd_links_get(const struct lu_env *env,
280 struct mdd_object *mdd_obj);
281 int mdd_links_rename(const struct lu_env *env,
282 struct mdd_object *mdd_obj,
283 const struct lu_fid *oldpfid,
284 const struct lu_name *oldlname,
285 const struct lu_fid *newpfid,
286 const struct lu_name *newlname,
287 struct thandle *handle,
288 struct linkea_data *ldata,
289 int first, int check);
290 int mdd_dir_layout_shrink(const struct lu_env *env,
291 struct md_object *md_obj,
292 struct md_layout_change *mlc);
293 int mdd_dir_layout_split(const struct lu_env *env, struct md_object *o,
294 struct md_layout_change *mlc);
296 int mdd_changelog_write_rec(const struct lu_env *env,
297 struct llog_handle *loghandle,
298 struct llog_rec_hdr *rec,
299 struct llog_cookie *cookie,
300 int idx, struct thandle *th);
302 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
304 #define MDD_ENV_VAR(env, var) (&mdd_env_info(env)->mdi_##var)
306 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
307 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
308 const void *area, ssize_t len);
310 int mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
311 int mdd_orphan_insert(const struct lu_env *env, struct mdd_object *obj,
312 struct thandle *thandle);
313 int mdd_orphan_delete(const struct lu_env *env, struct mdd_object *obj,
314 struct thandle *thandle);
315 int mdd_orphan_index_init(const struct lu_env *env, struct mdd_device *mdd);
316 void mdd_orphan_index_fini(const struct lu_env *env, struct mdd_device *mdd);
317 int mdd_orphan_declare_insert(const struct lu_env *env, struct mdd_object *obj,
318 umode_t mode, struct thandle *thandle);
319 int mdd_orphan_declare_delete(const struct lu_env *env, struct mdd_object *obj,
320 struct thandle *thandle);
321 int mdd_dir_is_empty(const struct lu_env *env, struct mdd_object *dir);
324 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
325 void mdd_procfs_fini(struct mdd_device *mdd);
328 extern struct kmem_cache *mdd_object_kmem;
329 extern const struct md_dir_operations mdd_dir_ops;
330 extern const struct md_object_operations mdd_obj_ops;
331 int mdd_readlink(const struct lu_env *env, struct md_object *obj,
333 extern struct lu_context_key mdd_thread_key;
334 extern const struct lu_device_operations mdd_lu_ops;
336 struct mdd_object *mdd_object_find(const struct lu_env *env,
337 struct mdd_device *d,
338 const struct lu_fid *f);
339 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
340 const struct lu_rdpg *rdpg);
341 int mdd_declare_changelog_store(const struct lu_env *env,
342 struct mdd_device *mdd,
343 enum changelog_rec_type type,
344 const struct lu_name *tname,
345 const struct lu_name *sname,
346 struct thandle *handle);
347 void mdd_changelog_rec_ext_jobid(struct changelog_rec *rec, const char *jobid);
348 void mdd_changelog_rec_ext_extra_flags(struct changelog_rec *rec, __u64 eflags);
349 void mdd_changelog_rec_extra_uidgid(struct changelog_rec *rec,
350 __u64 uid, __u64 gid);
351 void mdd_changelog_rec_extra_nid(struct changelog_rec *rec,
353 void mdd_changelog_rec_extra_omode(struct changelog_rec *rec, u32 flags);
354 void mdd_changelog_rec_extra_xattr(struct changelog_rec *rec,
355 const char *xattr_name);
356 int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
357 struct llog_changelog_rec *rec, struct thandle *th);
358 int mdd_changelog_data_store(const struct lu_env *env, struct mdd_device *mdd,
359 enum changelog_rec_type type,
360 enum changelog_rec_flags clf_flags,
361 struct mdd_object *mdd_obj,
362 struct thandle *handle,
363 const struct lu_fid *pfid);
364 int mdd_changelog_ns_store(const struct lu_env *env, struct mdd_device *mdd,
365 enum changelog_rec_type type,
366 enum changelog_rec_flags clf_flags,
367 struct mdd_object *target,
368 const struct lu_fid *tpfid,
369 const struct lu_fid *sfid,
370 const struct lu_fid *spfid,
371 const struct lu_name *tname,
372 const struct lu_name *sname,
373 struct thandle *handle);
374 int mdd_invalidate(const struct lu_env *env, struct md_object *obj);
375 int mdd_declare_create_object_internal(const struct lu_env *env,
376 struct mdd_object *p,
377 struct mdd_object *c,
378 struct lu_attr *attr,
379 struct thandle *handle,
380 const struct md_op_spec *spec,
381 struct dt_allocation_hint *hint);
382 int mdd_stripe_get(const struct lu_env *env, struct mdd_object *obj,
383 struct lu_buf *lmm_buf, const char *name);
384 int mdd_changelog_data_store_xattr(const struct lu_env *env,
385 struct mdd_device *mdd,
386 enum changelog_rec_type type,
387 enum changelog_rec_flags clf_flags,
388 struct mdd_object *mdd_obj,
389 const char *xattr_name,
390 struct thandle *handle);
393 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
394 struct mdd_object *child, const struct lu_attr *attr,
395 const struct md_op_spec *spec,
396 struct dt_allocation_hint *hint);
398 static inline void mdd_object_get(struct mdd_object *o)
400 lu_object_get(&o->mod_obj.mo_lu);
403 static inline void mdd_object_put(const struct lu_env *env,
404 struct mdd_object *o)
406 lu_object_put(env, &o->mod_obj.mo_lu);
409 struct thandle *mdd_trans_create(const struct lu_env *env,
410 struct mdd_device *mdd);
411 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
413 int mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
414 int rc, struct thandle *handle);
417 struct lu_object *mdd_object_alloc(const struct lu_env *env,
418 const struct lu_object_header *hdr,
419 struct lu_device *d);
420 int mdd_local_file_create(const struct lu_env *env, struct mdd_device *mdd,
421 const struct lu_fid *pfid, const char *name,
422 __u32 mode, struct lu_fid *fid);
424 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
425 struct thandle *handle);
426 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
427 struct lu_attr *attr, const struct lu_buf *buf, int fl);
428 int __mdd_fix_mode_acl(const struct lu_env *env, struct lu_buf *buf,
430 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
431 const struct lu_attr *la, unsigned int may_mask,
433 int mdd_permission(const struct lu_env *env, struct md_object *pobj,
434 struct md_object *cobj, struct md_attr *ma,
435 unsigned int may_mask);
436 int mdd_generic_thread_start(struct mdd_generic_thread *thread,
437 int (*func)(void *), void *data, char *name);
438 void mdd_generic_thread_stop(struct mdd_generic_thread *thread);
439 int mdd_changelog_user_purge(const struct lu_env *env, struct mdd_device *mdd,
441 char *mdd_chlg_username(struct llog_changelog_user_rec2 *rec, char *buf,
443 __u32 mdd_chlg_usermask(struct llog_changelog_user_rec2 *rec);
444 int mdd_changelog_recalc_mask(const struct lu_env *env, struct mdd_device *mdd);
447 int mdd_compat_fixes(const struct lu_env *env, struct mdd_device *mdd);
450 extern int lustre_posix_acl_permission(struct lu_ucred *mu,
451 const struct lu_attr *la,
452 unsigned int may_mask,
453 posix_acl_xattr_entry *entry,
455 extern int lustre_posix_acl_chmod_masq(posix_acl_xattr_entry *entry,
456 __u32 mode, int count);
457 extern int lustre_posix_acl_create_masq(posix_acl_xattr_entry *entry,
458 __u32 *pmode, int count);
459 extern int lustre_posix_acl_equiv_mode(posix_acl_xattr_entry *entry,
460 mode_t *mode_p, int count);
462 /* inline functions */
463 static inline int lu_device_is_mdd(struct lu_device *d)
465 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
468 static inline struct mdd_device *lu2mdd_dev(struct lu_device *d)
470 LASSERT(lu_device_is_mdd(d));
471 return container_of_safe(d, struct mdd_device, mdd_md_dev.md_lu_dev);
474 static inline struct lu_device *mdd2lu_dev(struct mdd_device *mdd)
476 return &mdd->mdd_md_dev.md_lu_dev;
479 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
481 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
482 return container_of_safe(o, struct mdd_object,
486 static inline struct mdd_device *mdo2mdd(struct md_object *mdo)
488 return lu2mdd_dev(mdo->mo_lu.lo_dev);
491 static inline struct mdd_object *md2mdd_obj(struct md_object *mdo)
493 return container_of_safe(mdo, struct mdd_object, mod_obj);
497 struct dt_device_operations *mdd_child_ops(struct mdd_device *mdd)
499 return mdd->mdd_child->dd_ops;
502 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
504 return &obj->mod_obj.mo_lu;
507 static inline struct dt_object *mdd_object_child(struct mdd_object *obj)
509 return container_of(lu_object_next(mdd2lu_obj(obj)),
510 struct dt_object, do_lu);
513 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
515 return (mdd->mdd_md_dev.md_lu_dev.ld_obd);
518 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
520 return mdo2mdd(&obj->mod_obj);
523 static inline umode_t mdd_object_type(const struct mdd_object *mdd_obj)
525 return lu_object_attr(&mdd_obj->mod_obj.mo_lu);
528 static inline int mdd_is_dead_obj(struct mdd_object *mdd_obj)
530 return mdd_obj && mdd_obj->mod_flags & DEAD_OBJ;
533 static inline bool mdd_is_volatile_obj(struct mdd_object *mdd_obj)
535 return mdd_obj->mod_flags & VOLATILE_OBJ;
538 static inline bool mdd_is_orphan_obj(struct mdd_object *mdd_obj)
540 return mdd_obj->mod_flags & ORPHAN_OBJ;
543 static inline int mdd_object_exists(struct mdd_object *mdd_obj)
545 return lu_object_exists(mdd2lu_obj(mdd_obj));
548 static inline int mdd_object_remote(struct mdd_object *mdd_obj)
550 return lu_object_remote(mdd2lu_obj(mdd_obj));
553 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *mdd_obj)
555 return lu_object_fid(mdd2lu_obj(mdd_obj));
558 static inline struct seq_server_site *mdd_seq_site(struct mdd_device *mdd)
560 return mdd2lu_dev(mdd)->ld_site->ld_seq_site;
563 static inline const char *mdd_obj_dev_name(const struct mdd_object *mdd_obj)
565 return lu_dev_name(mdd_obj->mod_obj.mo_lu.lo_dev);
568 #define MAX_ATIME_DIFF 60
570 static inline int mdd_permission_internal(const struct lu_env *env,
571 struct mdd_object *obj,
572 const struct lu_attr *la,
573 unsigned int may_mask)
575 return __mdd_permission_internal(env, obj, la, may_mask, -1);
578 static inline int mdd_permission_internal_locked(const struct lu_env *env,
579 struct mdd_object *obj,
580 const struct lu_attr *la,
581 unsigned int may_mask,
582 enum dt_object_role role)
584 return __mdd_permission_internal(env, obj, la, may_mask, role);
587 /* mdd inline func for calling osd_dt_object ops */
588 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
591 struct dt_object *next = mdd_object_child(obj);
592 return dt_attr_get(env, next, la);
595 static inline int mdo_declare_attr_set(const struct lu_env *env,
596 struct mdd_object *obj,
597 const struct lu_attr *la,
598 struct thandle *handle)
600 struct dt_object *next = mdd_object_child(obj);
601 return dt_declare_attr_set(env, next, la, handle);
604 static inline int mdo_attr_set(const struct lu_env *env,
605 struct mdd_object *obj,
606 const struct lu_attr *la,
607 struct thandle *handle)
609 struct dt_object *next = mdd_object_child(obj);
611 if (!mdd_object_exists(obj))
614 return dt_attr_set(env, next, la, handle);
617 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
618 struct lu_buf *buf, const char *name)
620 struct dt_object *next = mdd_object_child(obj);
621 return dt_xattr_get(env, next, buf, name);
624 static inline int mdo_declare_xattr_set(const struct lu_env *env,
625 struct mdd_object *obj,
626 const struct lu_buf *buf,
628 int fl, struct thandle *handle)
630 struct dt_object *next = mdd_object_child(obj);
633 rc = dt_declare_xattr_set(env, next, buf, name, fl, handle);
635 (strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT) == 0 ||
636 strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT_OLD) == 0)) {
637 struct lu_attr la = { 0 };
639 la.la_valid = LA_FLAGS;
640 la.la_flags = LUSTRE_ENCRYPT_FL;
641 rc = dt_declare_attr_set(env, next, &la, handle);
646 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
647 const struct lu_buf *buf, const char *name,
648 int fl, struct thandle *handle)
650 struct dt_object *next = mdd_object_child(obj);
653 if (!mdd_object_exists(obj))
656 /* If we are about to set the LL_XATTR_NAME_ENCRYPTION_CONTEXT
657 * xattr, it means the file/dir is encrypted. In that case we want
658 * to set the LUSTRE_ENCRYPT_FL flag as well: it will be stored
659 * into the LMA, making it more efficient to recognise we are
660 * dealing with an encrypted file/dir, as LMA info is cached upon
662 * However, marking a dir as encrypted is only possible if it is
663 * being created or migrated (LU_XATTR_CREATE flag not set), or
666 if ((strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT) == 0 ||
667 strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT_OLD) == 0) &&
668 (!S_ISDIR(mdd_object_type(obj)) ||
669 !(fl & LU_XATTR_CREATE) ||
670 (rc = mdd_dir_is_empty(env, obj)) == 0)) {
671 struct lu_attr la = { 0 };
673 la.la_valid = LA_FLAGS;
674 la.la_flags = LUSTRE_ENCRYPT_FL;
675 /* if this is an old client using the old enc xattr name,
676 * switch to the new name for consistency
678 if (strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT_OLD) == 0)
679 name = LL_XATTR_NAME_ENCRYPTION_CONTEXT;
680 rc = dt_attr_set(env, next, &la, handle);
683 rc = dt_xattr_set(env, next, buf, name, fl, handle);
688 static inline int mdo_declare_xattr_del(const struct lu_env *env,
689 struct mdd_object *obj,
691 struct thandle *handle)
693 struct dt_object *next = mdd_object_child(obj);
694 return dt_declare_xattr_del(env, next, name, handle);
697 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
698 const char *name, struct thandle *handle)
700 struct dt_object *next = mdd_object_child(obj);
702 if (!mdd_object_exists(obj))
705 return dt_xattr_del(env, next, name, handle);
709 mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
712 struct dt_object *next = mdd_object_child(obj);
714 if (!mdd_object_exists(obj))
717 return dt_xattr_list(env, next, buf);
721 mdo_invalidate(const struct lu_env *env, struct mdd_object *obj)
723 return dt_invalidate(env, mdd_object_child(obj));
727 mdo_declare_layout_change(const struct lu_env *env, struct mdd_object *obj,
728 struct md_layout_change *mlc, struct thandle *handle)
730 return dt_declare_layout_change(env, mdd_object_child(obj),
735 mdo_layout_change(const struct lu_env *env, struct mdd_object *obj,
736 struct md_layout_change *mlc, struct thandle *handle)
738 return dt_layout_change(env, mdd_object_child(obj), mlc, handle);
742 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
743 const struct lu_fid *fid, __u32 type,
744 const char *name, struct thandle *handle)
746 struct dt_object *next = mdd_object_child(obj);
750 * if the object doesn't exist yet, then it's supposed to be created
751 * and declaration of the creation should be enough to insert ./..
755 if (dt_try_as_dir(env, next, false)) {
756 struct dt_insert_rec *rec = &mdd_env_info(env)->mdi_dt_rec;
759 rec->rec_type = type;
760 rc = dt_declare_insert(env, next, (const struct dt_rec *)rec,
761 (const struct dt_key *)name, handle);
768 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
769 const char *name, struct thandle *handle)
771 struct dt_object *next = mdd_object_child(obj);
773 if (!dt_try_as_dir(env, next, true))
776 return dt_declare_delete(env, next, (const struct dt_key *)name,
780 static inline int mdo_declare_ref_add(const struct lu_env *env,
781 struct mdd_object *obj,
782 struct thandle *handle)
784 struct dt_object *next = mdd_object_child(obj);
785 return dt_declare_ref_add(env, next, handle);
788 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
789 struct thandle *handle)
791 struct dt_object *next = mdd_object_child(obj);
793 if (!mdd_object_exists(obj))
796 return dt_ref_add(env, next, handle);
799 static inline int mdo_declare_ref_del(const struct lu_env *env,
800 struct mdd_object *obj,
801 struct thandle *handle)
803 struct dt_object *next = mdd_object_child(obj);
804 return dt_declare_ref_del(env, next, handle);
807 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
808 struct thandle *handle)
810 struct dt_object *next = mdd_object_child(obj);
812 if (!mdd_object_exists(obj))
815 return dt_ref_del(env, next, handle);
819 mdo_declare_create_object(const struct lu_env *env, struct mdd_object *obj,
820 struct lu_attr *attr, struct dt_allocation_hint *hint,
821 struct dt_object_format *dof, struct thandle *handle)
823 struct dt_object *next = mdd_object_child(obj);
824 return dt_declare_create(env, next, attr, hint, dof, handle);
828 mdo_create_object(const struct lu_env *env, struct mdd_object *obj,
829 struct lu_attr *attr, struct dt_allocation_hint *hint,
830 struct dt_object_format *dof, struct thandle *handle)
832 struct dt_object *next = mdd_object_child(obj);
833 return dt_create(env, next, attr, hint, dof, handle);
837 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
838 struct thandle *handle)
840 struct dt_object *next = mdd_object_child(o);
841 return dt_declare_destroy(env, next, handle);
845 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
846 struct thandle *handle)
848 struct dt_object *next = mdd_object_child(o);
849 return dt_destroy(env, next, handle);
852 static inline bool mdd_changelog_enabled(const struct lu_env *env,
853 struct mdd_device *mdd,
854 enum changelog_rec_type type)
856 const struct lu_ucred *uc;
858 if ((mdd->mdd_cl.mc_flags & CLM_ON) &&
859 (mdd->mdd_cl.mc_current_mask & BIT(type))) {
860 uc = lu_ucred_check(env);
862 return uc != NULL ? uc->uc_enable_audit : true;
868 static inline bool mdd_changelog_is_too_idle(struct mdd_device *mdd,
869 __u64 cl_rec, __u32 cl_time)
871 __u64 idle_indexes = mdd->mdd_cl.mc_index - cl_rec;
872 __u32 idle_time = (__u32)ktime_get_real_seconds() - cl_time;
874 return (idle_indexes > mdd->mdd_changelog_max_idle_indexes ||
875 idle_time > mdd->mdd_changelog_max_idle_time ||
876 idle_time * idle_indexes > (24 * 3600ULL << 32));
879 bool mdd_changelog_is_space_safe(const struct lu_env *env,
880 struct mdd_device *mdd,
881 struct llog_handle *lgh,