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 time64_t mdd_changelog_max_idle_time;
148 unsigned long mdd_changelog_max_idle_indexes;
149 time64_t mdd_changelog_min_gc_interval;
150 unsigned int mdd_changelog_min_free_cat_entries;
151 time64_t mdd_atime_diff;
152 struct mdd_object *mdd_dot_lustre;
153 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
154 unsigned int mdd_sync_permission;
156 int mdd_append_stripe_count;
157 char mdd_append_pool[LOV_MAXPOOLNAME + 1];
158 struct local_oid_storage *mdd_los;
159 struct mdd_generic_thread mdd_orphan_cleanup_thread;
160 struct kobject mdd_kobj;
161 struct kobj_type mdd_ktype;
162 struct completion mdd_kobj_unregister;
166 /* The dir object has been unlinked */
169 VOLATILE_OBJ = BIT(4),
173 struct md_object mod_obj;
178 unsigned long mod_flags;
179 struct list_head mod_users; /**< unique user opens */
182 #define MDI_KEEP_KEY 0x01
184 struct mdd_thread_info {
185 struct lu_fid mdi_fid;
186 struct lu_fid mdi_fid2; /* used for be & cpu converting */
188 * only be used by MDD interfaces, can be passed into local MDD APIs.
190 struct lu_attr mdi_pattr;
191 struct lu_attr mdi_cattr;
192 struct lu_attr mdi_tpattr;
193 struct lu_attr mdi_tattr;
194 /** used to set ctime/mtime */
195 struct lu_attr mdi_la_for_fix;
196 /* Only used in mdd_object_start */
197 struct lu_attr mdi_la_for_start;
198 /* mdi_ent/mdi_key must be together so mdi_ent::lde_name is mdi_key */
199 struct lu_dirent mdi_ent;
200 char mdi_key[NAME_MAX + 16];
202 char mdi_name[NAME_MAX + 1];
203 struct lu_buf mdi_buf[4];
204 /* persistent buffers, must be handled with lu_buf_alloc/free */
205 struct lu_buf mdi_big_buf;
206 struct lu_buf mdi_chlg_buf;
207 struct lu_buf mdi_link_buf; /* buf for link ea */
208 struct lu_buf mdi_xattr_buf;
210 struct dt_allocation_hint mdi_hint;
211 struct dt_object_format mdi_dof;
212 struct linkea_data mdi_link_data;
213 struct md_op_spec mdi_spec;
214 struct dt_insert_rec mdi_dt_rec;
215 struct lu_seq_range mdi_range;
216 struct md_layout_change mdi_mlc;
219 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
221 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
223 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
224 const struct md_attr *ma);
225 int mdd_attr_set_internal(const struct lu_env *env,
226 struct mdd_object *obj,
227 const struct lu_attr *attr,
228 struct thandle *handle,
230 int mdd_update_time(const struct lu_env *env, struct mdd_object *obj,
231 const struct lu_attr *oattr, struct lu_attr *attr,
232 struct thandle *handle);
233 int mdd_create_object_internal(const struct lu_env *env, struct mdd_object *p,
234 struct mdd_object *c, struct lu_attr *attr,
235 struct thandle *handle,
236 const struct md_op_spec *spec,
237 struct dt_allocation_hint *hint);
240 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
241 enum dt_object_role role);
242 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
243 enum dt_object_role role);
244 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
245 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
246 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
249 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
250 const struct lu_attr *pattr, struct mdd_object *cobj,
252 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
253 const struct lu_attr *pattr, const struct lu_attr *attr);
254 int mdd_may_delete(const struct lu_env *env, struct mdd_object *tpobj,
255 const struct lu_attr *tpattr, struct mdd_object *tobj,
256 const struct lu_attr *tattr, const struct lu_attr *cattr,
257 int check_perm, int check_empty);
258 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
259 const struct lu_attr *pattr,
260 struct mdd_object *cobj,
261 const struct lu_attr *cattr);
262 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
263 struct md_attr *ma, struct mdd_object *pobj,
264 const struct lu_name *lname, struct thandle *th);
266 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
267 int mdd_lookup(const struct lu_env *env,
268 struct md_object *pobj, const struct lu_name *lname,
269 struct lu_fid* fid, struct md_op_spec *spec);
270 int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj,
271 struct linkea_data *ldata, struct thandle *handle);
272 int mdd_links_read(const struct lu_env *env,
273 struct mdd_object *mdd_obj,
274 struct linkea_data *ldata);
275 struct lu_buf *mdd_links_get(const struct lu_env *env,
276 struct mdd_object *mdd_obj);
277 int mdd_links_rename(const struct lu_env *env,
278 struct mdd_object *mdd_obj,
279 const struct lu_fid *oldpfid,
280 const struct lu_name *oldlname,
281 const struct lu_fid *newpfid,
282 const struct lu_name *newlname,
283 struct thandle *handle,
284 struct linkea_data *ldata,
285 int first, int check);
286 int mdd_dir_layout_shrink(const struct lu_env *env,
287 struct md_object *md_obj,
288 struct md_layout_change *mlc);
289 int mdd_dir_layout_split(const struct lu_env *env, struct md_object *o,
290 struct md_layout_change *mlc);
292 int mdd_changelog_write_rec(const struct lu_env *env,
293 struct llog_handle *loghandle,
294 struct llog_rec_hdr *rec,
295 struct llog_cookie *cookie,
296 int idx, struct thandle *th);
298 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
300 #define MDD_ENV_VAR(env, var) (&mdd_env_info(env)->mdi_##var)
302 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
303 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
304 const void *area, ssize_t len);
306 int mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
307 int mdd_orphan_insert(const struct lu_env *env, struct mdd_object *obj,
308 struct thandle *thandle);
309 int mdd_orphan_delete(const struct lu_env *env, struct mdd_object *obj,
310 struct thandle *thandle);
311 int mdd_orphan_index_init(const struct lu_env *env, struct mdd_device *mdd);
312 void mdd_orphan_index_fini(const struct lu_env *env, struct mdd_device *mdd);
313 int mdd_orphan_declare_insert(const struct lu_env *env, struct mdd_object *obj,
314 umode_t mode, struct thandle *thandle);
315 int mdd_orphan_declare_delete(const struct lu_env *env, struct mdd_object *obj,
316 struct thandle *thandle);
317 int mdd_dir_is_empty(const struct lu_env *env, struct mdd_object *dir);
320 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
321 void mdd_procfs_fini(struct mdd_device *mdd);
324 extern struct kmem_cache *mdd_object_kmem;
325 extern const struct md_dir_operations mdd_dir_ops;
326 extern const struct md_object_operations mdd_obj_ops;
327 int mdd_readlink(const struct lu_env *env, struct md_object *obj,
329 extern struct lu_context_key mdd_thread_key;
330 extern const struct lu_device_operations mdd_lu_ops;
332 struct mdd_object *mdd_object_find(const struct lu_env *env,
333 struct mdd_device *d,
334 const struct lu_fid *f);
335 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
336 const struct lu_rdpg *rdpg);
337 int mdd_declare_changelog_store(const struct lu_env *env,
338 struct mdd_device *mdd,
339 enum changelog_rec_type type,
340 const struct lu_name *tname,
341 const struct lu_name *sname,
342 struct thandle *handle);
343 void mdd_changelog_rec_ext_jobid(struct changelog_rec *rec, const char *jobid);
344 void mdd_changelog_rec_ext_extra_flags(struct changelog_rec *rec, __u64 eflags);
345 void mdd_changelog_rec_extra_uidgid(struct changelog_rec *rec,
346 __u64 uid, __u64 gid);
347 void mdd_changelog_rec_extra_nid(struct changelog_rec *rec,
349 void mdd_changelog_rec_extra_omode(struct changelog_rec *rec, u32 flags);
350 void mdd_changelog_rec_extra_xattr(struct changelog_rec *rec,
351 const char *xattr_name);
352 int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
353 struct llog_changelog_rec *rec, struct thandle *th);
354 int mdd_changelog_data_store(const struct lu_env *env, struct mdd_device *mdd,
355 enum changelog_rec_type type,
356 enum changelog_rec_flags clf_flags,
357 struct mdd_object *mdd_obj,
358 struct thandle *handle,
359 const struct lu_fid *pfid);
360 int mdd_changelog_ns_store(const struct lu_env *env, struct mdd_device *mdd,
361 enum changelog_rec_type type,
362 enum changelog_rec_flags clf_flags,
363 struct mdd_object *target,
364 const struct lu_fid *tpfid,
365 const struct lu_fid *sfid,
366 const struct lu_fid *spfid,
367 const struct lu_name *tname,
368 const struct lu_name *sname,
369 struct thandle *handle);
370 int mdd_invalidate(const struct lu_env *env, struct md_object *obj);
371 int mdd_declare_create_object_internal(const struct lu_env *env,
372 struct mdd_object *p,
373 struct mdd_object *c,
374 struct lu_attr *attr,
375 struct thandle *handle,
376 const struct md_op_spec *spec,
377 struct dt_allocation_hint *hint);
378 int mdd_stripe_get(const struct lu_env *env, struct mdd_object *obj,
379 struct lu_buf *lmm_buf, const char *name);
380 int mdd_changelog_data_store_xattr(const struct lu_env *env,
381 struct mdd_device *mdd,
382 enum changelog_rec_type type,
383 enum changelog_rec_flags clf_flags,
384 struct mdd_object *mdd_obj,
385 const char *xattr_name,
386 struct thandle *handle);
389 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
390 struct mdd_object *child, const struct lu_attr *attr,
391 const struct md_op_spec *spec,
392 struct dt_allocation_hint *hint);
394 static inline void mdd_object_get(struct mdd_object *o)
396 lu_object_get(&o->mod_obj.mo_lu);
399 static inline void mdd_object_put(const struct lu_env *env,
400 struct mdd_object *o)
402 lu_object_put(env, &o->mod_obj.mo_lu);
405 struct thandle *mdd_trans_create(const struct lu_env *env,
406 struct mdd_device *mdd);
407 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
409 int mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
410 int rc, struct thandle *handle);
413 struct lu_object *mdd_object_alloc(const struct lu_env *env,
414 const struct lu_object_header *hdr,
415 struct lu_device *d);
416 int mdd_local_file_create(const struct lu_env *env, struct mdd_device *mdd,
417 const struct lu_fid *pfid, const char *name,
418 __u32 mode, struct lu_fid *fid);
420 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
421 struct thandle *handle);
422 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
423 struct lu_attr *attr, const struct lu_buf *buf, int fl);
424 int __mdd_fix_mode_acl(const struct lu_env *env, struct lu_buf *buf,
426 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
427 const struct lu_attr *la, unsigned int may_mask,
429 int mdd_permission(const struct lu_env *env, struct md_object *pobj,
430 struct md_object *cobj, struct md_attr *ma,
431 unsigned int may_mask);
432 int mdd_generic_thread_start(struct mdd_generic_thread *thread,
433 int (*func)(void *), void *data, char *name);
434 void mdd_generic_thread_stop(struct mdd_generic_thread *thread);
435 int mdd_changelog_user_purge(const struct lu_env *env, struct mdd_device *mdd,
437 char *mdd_chlg_username(struct llog_changelog_user_rec2 *rec, char *buf,
439 __u32 mdd_chlg_usermask(struct llog_changelog_user_rec2 *rec);
440 int mdd_changelog_recalc_mask(const struct lu_env *env, struct mdd_device *mdd);
443 int mdd_compat_fixes(const struct lu_env *env, struct mdd_device *mdd);
446 extern int lustre_posix_acl_permission(struct lu_ucred *mu,
447 const struct lu_attr *la,
448 unsigned int may_mask,
449 posix_acl_xattr_entry *entry,
451 extern int lustre_posix_acl_chmod_masq(posix_acl_xattr_entry *entry,
452 __u32 mode, int count);
453 extern int lustre_posix_acl_create_masq(posix_acl_xattr_entry *entry,
454 __u32 *pmode, int count);
455 extern int lustre_posix_acl_equiv_mode(posix_acl_xattr_entry *entry,
456 mode_t *mode_p, int count);
458 /* inline functions */
459 static inline int lu_device_is_mdd(struct lu_device *d)
461 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
464 static inline struct mdd_device *lu2mdd_dev(struct lu_device *d)
466 LASSERT(lu_device_is_mdd(d));
467 return container_of_safe(d, struct mdd_device, mdd_md_dev.md_lu_dev);
470 static inline struct lu_device *mdd2lu_dev(struct mdd_device *mdd)
472 return &mdd->mdd_md_dev.md_lu_dev;
475 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
477 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
478 return container_of_safe(o, struct mdd_object,
482 static inline struct mdd_device *mdo2mdd(struct md_object *mdo)
484 return lu2mdd_dev(mdo->mo_lu.lo_dev);
487 static inline struct mdd_object *md2mdd_obj(struct md_object *mdo)
489 return container_of_safe(mdo, struct mdd_object, mod_obj);
493 struct dt_device_operations *mdd_child_ops(struct mdd_device *mdd)
495 return mdd->mdd_child->dd_ops;
498 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
500 return &obj->mod_obj.mo_lu;
503 static inline struct dt_object *mdd_object_child(struct mdd_object *obj)
505 return container_of(lu_object_next(mdd2lu_obj(obj)),
506 struct dt_object, do_lu);
509 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
511 return (mdd->mdd_md_dev.md_lu_dev.ld_obd);
514 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
516 return mdo2mdd(&obj->mod_obj);
519 static inline umode_t mdd_object_type(const struct mdd_object *mdd_obj)
521 return lu_object_attr(&mdd_obj->mod_obj.mo_lu);
524 static inline int mdd_is_dead_obj(struct mdd_object *mdd_obj)
526 return mdd_obj && mdd_obj->mod_flags & DEAD_OBJ;
529 static inline bool mdd_is_volatile_obj(struct mdd_object *mdd_obj)
531 return mdd_obj->mod_flags & VOLATILE_OBJ;
534 static inline bool mdd_is_orphan_obj(struct mdd_object *mdd_obj)
536 return mdd_obj->mod_flags & ORPHAN_OBJ;
539 static inline int mdd_object_exists(struct mdd_object *mdd_obj)
541 return lu_object_exists(mdd2lu_obj(mdd_obj));
544 static inline int mdd_object_remote(struct mdd_object *mdd_obj)
546 return lu_object_remote(mdd2lu_obj(mdd_obj));
549 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *mdd_obj)
551 return lu_object_fid(mdd2lu_obj(mdd_obj));
554 static inline struct seq_server_site *mdd_seq_site(struct mdd_device *mdd)
556 return mdd2lu_dev(mdd)->ld_site->ld_seq_site;
559 static inline const char *mdd_obj_dev_name(const struct mdd_object *mdd_obj)
561 return lu_dev_name(mdd_obj->mod_obj.mo_lu.lo_dev);
564 #define MAX_ATIME_DIFF 60
566 static inline int mdd_permission_internal(const struct lu_env *env,
567 struct mdd_object *obj,
568 const struct lu_attr *la,
569 unsigned int may_mask)
571 return __mdd_permission_internal(env, obj, la, may_mask, -1);
574 static inline int mdd_permission_internal_locked(const struct lu_env *env,
575 struct mdd_object *obj,
576 const struct lu_attr *la,
577 unsigned int may_mask,
578 enum dt_object_role role)
580 return __mdd_permission_internal(env, obj, la, may_mask, role);
583 /* mdd inline func for calling osd_dt_object ops */
584 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
587 struct dt_object *next = mdd_object_child(obj);
588 return dt_attr_get(env, next, la);
591 static inline int mdo_declare_attr_set(const struct lu_env *env,
592 struct mdd_object *obj,
593 const struct lu_attr *la,
594 struct thandle *handle)
596 struct dt_object *next = mdd_object_child(obj);
597 return dt_declare_attr_set(env, next, la, handle);
600 static inline int mdo_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);
607 if (!mdd_object_exists(obj))
610 return dt_attr_set(env, next, la, handle);
613 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
614 struct lu_buf *buf, const char *name)
616 struct dt_object *next = mdd_object_child(obj);
617 return dt_xattr_get(env, next, buf, name);
620 static inline int mdo_declare_xattr_set(const struct lu_env *env,
621 struct mdd_object *obj,
622 const struct lu_buf *buf,
624 int fl, struct thandle *handle)
626 struct dt_object *next = mdd_object_child(obj);
629 rc = dt_declare_xattr_set(env, next, buf, name, fl, handle);
631 (strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT) == 0 ||
632 strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT_OLD) == 0)) {
633 struct lu_attr la = { 0 };
635 la.la_valid = LA_FLAGS;
636 la.la_flags = LUSTRE_ENCRYPT_FL;
637 rc = dt_declare_attr_set(env, next, &la, handle);
642 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
643 const struct lu_buf *buf, const char *name,
644 int fl, struct thandle *handle)
646 struct dt_object *next = mdd_object_child(obj);
649 if (!mdd_object_exists(obj))
652 /* If we are about to set the LL_XATTR_NAME_ENCRYPTION_CONTEXT
653 * xattr, it means the file/dir is encrypted. In that case we want
654 * to set the LUSTRE_ENCRYPT_FL flag as well: it will be stored
655 * into the LMA, making it more efficient to recognise we are
656 * dealing with an encrypted file/dir, as LMA info is cached upon
658 * However, marking a dir as encrypted is only possible if it is
659 * being created or migrated (LU_XATTR_CREATE flag not set), or
662 if ((strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT) == 0 ||
663 strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT_OLD) == 0) &&
664 (!S_ISDIR(mdd_object_type(obj)) ||
665 !(fl & LU_XATTR_CREATE) ||
666 (rc = mdd_dir_is_empty(env, obj)) == 0)) {
667 struct lu_attr la = { 0 };
669 la.la_valid = LA_FLAGS;
670 la.la_flags = LUSTRE_ENCRYPT_FL;
671 /* if this is an old client using the old enc xattr name,
672 * switch to the new name for consistency
674 if (strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT_OLD) == 0)
675 name = LL_XATTR_NAME_ENCRYPTION_CONTEXT;
676 rc = dt_attr_set(env, next, &la, handle);
679 rc = dt_xattr_set(env, next, buf, name, fl, handle);
684 static inline int mdo_declare_xattr_del(const struct lu_env *env,
685 struct mdd_object *obj,
687 struct thandle *handle)
689 struct dt_object *next = mdd_object_child(obj);
690 return dt_declare_xattr_del(env, next, name, handle);
693 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
694 const char *name, struct thandle *handle)
696 struct dt_object *next = mdd_object_child(obj);
698 if (!mdd_object_exists(obj))
701 return dt_xattr_del(env, next, name, handle);
705 mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
708 struct dt_object *next = mdd_object_child(obj);
710 if (!mdd_object_exists(obj))
713 return dt_xattr_list(env, next, buf);
717 mdo_invalidate(const struct lu_env *env, struct mdd_object *obj)
719 return dt_invalidate(env, mdd_object_child(obj));
723 mdo_declare_layout_change(const struct lu_env *env, struct mdd_object *obj,
724 struct md_layout_change *mlc, struct thandle *handle)
726 return dt_declare_layout_change(env, mdd_object_child(obj),
731 mdo_layout_change(const struct lu_env *env, struct mdd_object *obj,
732 struct md_layout_change *mlc, struct thandle *handle)
734 return dt_layout_change(env, mdd_object_child(obj), mlc, handle);
738 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
739 const struct lu_fid *fid, __u32 type,
740 const char *name, struct thandle *handle)
742 struct dt_object *next = mdd_object_child(obj);
746 * if the object doesn't exist yet, then it's supposed to be created
747 * and declaration of the creation should be enough to insert ./..
751 if (dt_try_as_dir(env, next)) {
752 struct dt_insert_rec *rec = &mdd_env_info(env)->mdi_dt_rec;
755 rec->rec_type = type;
756 rc = dt_declare_insert(env, next, (const struct dt_rec *)rec,
757 (const struct dt_key *)name, handle);
764 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
765 const char *name, struct thandle *handle)
767 struct dt_object *next = mdd_object_child(obj);
769 if (!dt_try_as_dir(env, next))
772 return dt_declare_delete(env, next, (const struct dt_key *)name,
776 static inline int mdo_declare_ref_add(const struct lu_env *env,
777 struct mdd_object *obj,
778 struct thandle *handle)
780 struct dt_object *next = mdd_object_child(obj);
781 return dt_declare_ref_add(env, next, handle);
784 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
785 struct thandle *handle)
787 struct dt_object *next = mdd_object_child(obj);
789 if (!mdd_object_exists(obj))
792 return dt_ref_add(env, next, handle);
795 static inline int mdo_declare_ref_del(const struct lu_env *env,
796 struct mdd_object *obj,
797 struct thandle *handle)
799 struct dt_object *next = mdd_object_child(obj);
800 return dt_declare_ref_del(env, next, handle);
803 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
804 struct thandle *handle)
806 struct dt_object *next = mdd_object_child(obj);
808 if (!mdd_object_exists(obj))
811 return dt_ref_del(env, next, handle);
815 mdo_declare_create_object(const struct lu_env *env, struct mdd_object *obj,
816 struct lu_attr *attr, struct dt_allocation_hint *hint,
817 struct dt_object_format *dof, struct thandle *handle)
819 struct dt_object *next = mdd_object_child(obj);
820 return dt_declare_create(env, next, attr, hint, dof, handle);
824 mdo_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_create(env, next, attr, hint, dof, handle);
833 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
834 struct thandle *handle)
836 struct dt_object *next = mdd_object_child(o);
837 return dt_declare_destroy(env, next, handle);
841 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
842 struct thandle *handle)
844 struct dt_object *next = mdd_object_child(o);
845 return dt_destroy(env, next, handle);
848 static inline bool mdd_changelog_enabled(const struct lu_env *env,
849 struct mdd_device *mdd,
850 enum changelog_rec_type type)
852 const struct lu_ucred *uc;
854 if ((mdd->mdd_cl.mc_flags & CLM_ON) &&
855 (mdd->mdd_cl.mc_current_mask & BIT(type))) {
856 uc = lu_ucred_check(env);
858 return uc != NULL ? uc->uc_enable_audit : true;
864 static inline bool mdd_changelog_is_too_idle(struct mdd_device *mdd,
865 __u64 cl_rec, __u32 cl_time)
867 __u64 idle_indexes = mdd->mdd_cl.mc_index - cl_rec;
868 __u32 idle_time = (__u32)ktime_get_real_seconds() - cl_time;
870 return (idle_indexes > mdd->mdd_changelog_max_idle_indexes ||
871 idle_time > mdd->mdd_changelog_max_idle_time ||
872 idle_time * idle_indexes > (24 * 3600ULL << 32));