Lines Matching refs:cap
135 struct ceph_cap *cap; in ceph_caps_finalize() local
139 cap = list_first_entry(&mdsc->caps_list, in ceph_caps_finalize()
141 list_del(&cap->caps_item); in ceph_caps_finalize()
142 kmem_cache_free(ceph_cap_cachep, cap); in ceph_caps_finalize()
168 struct ceph_cap *cap; in __ceph_unreserve_caps() local
178 cap = list_first_entry(&mdsc->caps_list, in __ceph_unreserve_caps()
180 list_del(&cap->caps_item); in __ceph_unreserve_caps()
181 kmem_cache_free(ceph_cap_cachep, cap); in __ceph_unreserve_caps()
204 struct ceph_cap *cap; in ceph_reserve_caps() local
229 cap = kmem_cache_alloc(ceph_cap_cachep, GFP_NOFS); in ceph_reserve_caps()
230 if (cap) { in ceph_reserve_caps()
231 list_add(&cap->caps_item, &newcaps); in ceph_reserve_caps()
329 struct ceph_cap *cap = NULL; in ceph_get_cap() local
333 cap = kmem_cache_alloc(ceph_cap_cachep, GFP_NOFS); in ceph_get_cap()
334 if (cap) { in ceph_get_cap()
346 cap = list_first_entry(&mdsc->caps_list, in ceph_get_cap()
348 list_del(&cap->caps_item); in ceph_get_cap()
356 return cap; in ceph_get_cap()
372 cap = list_first_entry(&mdsc->caps_list, struct ceph_cap, caps_item); in ceph_get_cap()
373 list_del(&cap->caps_item); in ceph_get_cap()
378 return cap; in ceph_get_cap()
381 void ceph_put_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap) in ceph_put_cap() argument
385 cap, mdsc->caps_total_count, mdsc->caps_use_count, in ceph_put_cap()
395 kmem_cache_free(ceph_cap_cachep, cap); in ceph_put_cap()
398 list_add(&cap->caps_item, &mdsc->caps_list); in ceph_put_cap()
435 struct ceph_cap *cap; in __get_cap_for_mds() local
439 cap = rb_entry(n, struct ceph_cap, ci_node); in __get_cap_for_mds()
440 if (mds < cap->mds) in __get_cap_for_mds()
442 else if (mds > cap->mds) in __get_cap_for_mds()
445 return cap; in __get_cap_for_mds()
452 struct ceph_cap *cap; in ceph_get_cap_for_mds() local
455 cap = __get_cap_for_mds(ci, mds); in ceph_get_cap_for_mds()
457 return cap; in ceph_get_cap_for_mds()
468 struct ceph_cap *cap = NULL; in __insert_cap_node() local
472 cap = rb_entry(parent, struct ceph_cap, ci_node); in __insert_cap_node()
473 if (new->mds < cap->mds) in __insert_cap_node()
475 else if (new->mds > cap->mds) in __insert_cap_node()
560 static void __check_cap_issue(struct ceph_inode_info *ci, struct ceph_cap *cap, in __check_cap_issue() argument
638 struct ceph_cap *cap; in ceph_add_cap() local
650 cap = __get_cap_for_mds(ci, mds); in ceph_add_cap()
651 if (!cap) { in ceph_add_cap()
652 cap = *new_cap; in ceph_add_cap()
655 cap->issued = 0; in ceph_add_cap()
656 cap->implemented = 0; in ceph_add_cap()
657 cap->mds = mds; in ceph_add_cap()
658 cap->mds_wanted = 0; in ceph_add_cap()
659 cap->mseq = 0; in ceph_add_cap()
661 cap->ci = ci; in ceph_add_cap()
662 __insert_cap_node(ci, cap); in ceph_add_cap()
665 cap->session = session; in ceph_add_cap()
667 list_add_tail(&cap->session_caps, &session->s_caps); in ceph_add_cap()
673 list_move_tail(&cap->session_caps, &session->s_caps); in ceph_add_cap()
676 if (cap->cap_gen < gen) in ceph_add_cap()
677 cap->issued = cap->implemented = CEPH_CAP_PIN; in ceph_add_cap()
688 if (ceph_seq_cmp(seq, cap->seq) <= 0) { in ceph_add_cap()
689 WARN_ON(cap != ci->i_auth_cap); in ceph_add_cap()
690 WARN_ON(cap->cap_id != cap_id); in ceph_add_cap()
691 seq = cap->seq; in ceph_add_cap()
692 mseq = cap->mseq; in ceph_add_cap()
693 issued |= cap->issued; in ceph_add_cap()
714 __check_cap_issue(ci, cap, issued); in ceph_add_cap()
734 ci->i_auth_cap->session != cap->session) in ceph_add_cap()
735 change_auth_cap_ses(ci, cap->session); in ceph_add_cap()
736 ci->i_auth_cap = cap; in ceph_add_cap()
737 cap->mds_wanted = wanted; in ceph_add_cap()
740 WARN_ON(ci->i_auth_cap == cap); in ceph_add_cap()
744 inode, ceph_vinop(inode), cap, ceph_cap_string(issued), in ceph_add_cap()
745 ceph_cap_string(issued|cap->issued), seq, mds); in ceph_add_cap()
746 cap->cap_id = cap_id; in ceph_add_cap()
747 cap->issued = issued; in ceph_add_cap()
748 cap->implemented |= issued; in ceph_add_cap()
749 if (ceph_seq_cmp(mseq, cap->mseq) > 0) in ceph_add_cap()
750 cap->mds_wanted = wanted; in ceph_add_cap()
752 cap->mds_wanted |= wanted; in ceph_add_cap()
753 cap->seq = seq; in ceph_add_cap()
754 cap->issue_seq = seq; in ceph_add_cap()
755 cap->mseq = mseq; in ceph_add_cap()
756 cap->cap_gen = gen; in ceph_add_cap()
764 static int __cap_is_valid(struct ceph_cap *cap) in __cap_is_valid() argument
769 gen = atomic_read(&cap->session->s_cap_gen); in __cap_is_valid()
770 ttl = cap->session->s_cap_ttl; in __cap_is_valid()
772 if (cap->cap_gen < gen || time_after_eq(jiffies, ttl)) { in __cap_is_valid()
774 "but STALE (gen %u vs %u)\n", &cap->ci->vfs_inode, in __cap_is_valid()
775 cap, ceph_cap_string(cap->issued), cap->cap_gen, gen); in __cap_is_valid()
790 struct ceph_cap *cap; in __ceph_caps_issued() local
796 cap = rb_entry(p, struct ceph_cap, ci_node); in __ceph_caps_issued()
797 if (!__cap_is_valid(cap)) in __ceph_caps_issued()
800 &ci->vfs_inode, cap, ceph_cap_string(cap->issued)); in __ceph_caps_issued()
801 have |= cap->issued; in __ceph_caps_issued()
803 *implemented |= cap->implemented; in __ceph_caps_issued()
811 cap = ci->i_auth_cap; in __ceph_caps_issued()
812 have &= ~cap->implemented | cap->issued; in __ceph_caps_issued()
823 struct ceph_cap *cap; in __ceph_caps_issued_other() local
827 cap = rb_entry(p, struct ceph_cap, ci_node); in __ceph_caps_issued_other()
828 if (cap == ocap) in __ceph_caps_issued_other()
830 if (!__cap_is_valid(cap)) in __ceph_caps_issued_other()
832 have |= cap->issued; in __ceph_caps_issued_other()
841 static void __touch_cap(struct ceph_cap *cap) in __touch_cap() argument
843 struct ceph_mds_session *s = cap->session; in __touch_cap()
847 dout("__touch_cap %p cap %p mds%d\n", &cap->ci->vfs_inode, cap, in __touch_cap()
849 list_move_tail(&cap->session_caps, &s->s_caps); in __touch_cap()
852 &cap->ci->vfs_inode, cap, s->s_mds); in __touch_cap()
864 struct ceph_cap *cap; in __ceph_caps_issued_mask() local
877 cap = rb_entry(p, struct ceph_cap, ci_node); in __ceph_caps_issued_mask()
878 if (!__cap_is_valid(cap)) in __ceph_caps_issued_mask()
880 if ((cap->issued & mask) == mask) { in __ceph_caps_issued_mask()
882 " (mask %s)\n", ceph_ino(&ci->vfs_inode), cap, in __ceph_caps_issued_mask()
883 ceph_cap_string(cap->issued), in __ceph_caps_issued_mask()
886 __touch_cap(cap); in __ceph_caps_issued_mask()
891 have |= cap->issued; in __ceph_caps_issued_mask()
895 ceph_cap_string(cap->issued), in __ceph_caps_issued_mask()
901 __touch_cap(cap); in __ceph_caps_issued_mask()
904 cap = rb_entry(q, struct ceph_cap, in __ceph_caps_issued_mask()
906 if (!__cap_is_valid(cap)) in __ceph_caps_issued_mask()
908 if (cap->issued & mask) in __ceph_caps_issued_mask()
909 __touch_cap(cap); in __ceph_caps_issued_mask()
939 struct ceph_cap *cap; in __ceph_caps_revoking_other() local
943 cap = rb_entry(p, struct ceph_cap, ci_node); in __ceph_caps_revoking_other()
944 if (cap != ocap && in __ceph_caps_revoking_other()
945 (cap->implemented & ~cap->issued & mask)) in __ceph_caps_revoking_other()
1070 struct ceph_cap *cap; in __ceph_caps_mds_wanted() local
1075 cap = rb_entry(p, struct ceph_cap, ci_node); in __ceph_caps_mds_wanted()
1076 if (check && !__cap_is_valid(cap)) in __ceph_caps_mds_wanted()
1078 if (cap == ci->i_auth_cap) in __ceph_caps_mds_wanted()
1079 mds_wanted |= cap->mds_wanted; in __ceph_caps_mds_wanted()
1081 mds_wanted |= (cap->mds_wanted & ~CEPH_CAP_ANY_FILE_WR); in __ceph_caps_mds_wanted()
1104 void __ceph_remove_cap(struct ceph_cap *cap, bool queue_release) in __ceph_remove_cap() argument
1106 struct ceph_mds_session *session = cap->session; in __ceph_remove_cap()
1107 struct ceph_inode_info *ci = cap->ci; in __ceph_remove_cap()
1119 dout("__ceph_remove_cap %p from %p\n", cap, &ci->vfs_inode); in __ceph_remove_cap()
1124 rb_erase(&cap->ci_node, &ci->i_caps); in __ceph_remove_cap()
1125 if (ci->i_auth_cap == cap) in __ceph_remove_cap()
1130 if (session->s_cap_iterator == cap) { in __ceph_remove_cap()
1133 cap, cap->session); in __ceph_remove_cap()
1135 list_del_init(&cap->session_caps); in __ceph_remove_cap()
1138 cap->session = NULL; in __ceph_remove_cap()
1142 cap->ci = NULL; in __ceph_remove_cap()
1150 cap->cap_gen == atomic_read(&session->s_cap_gen))) { in __ceph_remove_cap()
1151 cap->queue_release = 1; in __ceph_remove_cap()
1153 __ceph_queue_cap_release(session, cap); in __ceph_remove_cap()
1157 cap->queue_release = 0; in __ceph_remove_cap()
1159 cap->cap_ino = ci->i_vino.ino; in __ceph_remove_cap()
1164 ceph_put_cap(mdsc, cap); in __ceph_remove_cap()
1178 void ceph_remove_cap(struct ceph_cap *cap, bool queue_release) in ceph_remove_cap() argument
1180 struct ceph_inode_info *ci = cap->ci; in ceph_remove_cap()
1192 WARN_ON_ONCE(ci->i_auth_cap == cap && in ceph_remove_cap()
1197 __ceph_remove_cap(cap, queue_release); in ceph_remove_cap()
1326 struct ceph_cap *cap = rb_entry(p, struct ceph_cap, ci_node); in __ceph_remove_caps() local
1328 ceph_remove_cap(cap, true); in __ceph_remove_caps()
1341 static void __prep_cap(struct cap_msg_args *arg, struct ceph_cap *cap, in __prep_cap() argument
1345 struct ceph_inode_info *ci = cap->ci; in __prep_cap()
1351 held = cap->issued | cap->implemented; in __prep_cap()
1352 revoking = cap->implemented & ~cap->issued; in __prep_cap()
1356 __func__, inode, cap, cap->session, in __prep_cap()
1363 cap->issued &= retain; /* drop bits we don't want */ in __prep_cap()
1369 arg->wake = cap->implemented & ~cap->issued; in __prep_cap()
1370 cap->implemented &= cap->issued | used; in __prep_cap()
1371 cap->mds_wanted = want; in __prep_cap()
1373 arg->session = cap->session; in __prep_cap()
1375 arg->cid = cap->cap_id; in __prep_cap()
1383 if (cap == ci->i_auth_cap) { in __prep_cap()
1406 arg->caps = cap->implemented; in __prep_cap()
1410 arg->seq = cap->seq; in __prep_cap()
1411 arg->issue_seq = cap->issue_seq; in __prep_cap()
1412 arg->mseq = cap->mseq; in __prep_cap()
1579 struct ceph_cap *cap = ci->i_auth_cap; in __ceph_flush_snaps() local
1583 if (!(cap && cap->session == session)) { in __ceph_flush_snaps()
1585 "stop\n", inode, cap, session->s_mds); in __ceph_flush_snaps()
1608 ret = __send_flush_snap(inode, session, capsnap, cap->mseq, in __ceph_flush_snaps()
1904 struct ceph_cap *cap; in ceph_check_caps() local
2008 cap = rb_entry(p, struct ceph_cap, ci_node); in ceph_check_caps()
2011 if (mds >= cap->mds || in ceph_check_caps()
2012 ((flags & CHECK_CAPS_AUTHONLY) && cap != ci->i_auth_cap)) in ceph_check_caps()
2020 if (ci->i_auth_cap && cap != ci->i_auth_cap) in ceph_check_caps()
2023 revoking = cap->implemented & ~cap->issued; in ceph_check_caps()
2025 cap->mds, cap, ceph_cap_string(cap_used), in ceph_check_caps()
2026 ceph_cap_string(cap->issued), in ceph_check_caps()
2027 ceph_cap_string(cap->implemented), in ceph_check_caps()
2030 if (cap == ci->i_auth_cap && in ceph_check_caps()
2031 (cap->issued & CEPH_CAP_FILE_WR)) { in ceph_check_caps()
2046 if (cap == ci->i_auth_cap) { in ceph_check_caps()
2060 ceph_cap_string(cap->implemented & ~cap->issued)); in ceph_check_caps()
2065 if (want & ~cap->mds_wanted) { in ceph_check_caps()
2066 if (want & ~(cap->mds_wanted | cap->issued)) in ceph_check_caps()
2068 if (!__cap_is_valid(cap)) in ceph_check_caps()
2073 if ((cap->issued & ~retain) == 0) in ceph_check_caps()
2078 session = ceph_get_mds_session(cap->session); in ceph_check_caps()
2082 if (cap == ci->i_auth_cap && in ceph_check_caps()
2093 if (cap == ci->i_auth_cap && ci->i_dirty_caps) { in ceph_check_caps()
2108 mds = cap->mds; /* remember mds, so we don't repeat */ in ceph_check_caps()
2110 __prep_cap(&arg, cap, CEPH_CAP_OP_UPDATE, mflags, cap_used, in ceph_check_caps()
2148 struct ceph_cap *cap = ci->i_auth_cap; in try_flush_caps() local
2150 struct ceph_mds_session *session = cap->session; in try_flush_caps()
2170 __prep_cap(&arg, cap, CEPH_CAP_OP_FLUSH, CEPH_CLIENT_CAPS_SYNC, in try_flush_caps()
2172 (cap->issued | cap->implemented), in try_flush_caps()
2416 struct ceph_cap *cap; in __kick_flushing_caps() local
2435 cap = ci->i_auth_cap; in __kick_flushing_caps()
2436 if (!(cap && cap->session == session)) { in __kick_flushing_caps()
2438 inode, cap, session->s_mds); in __kick_flushing_caps()
2448 inode, cap, cf->tid, ceph_cap_string(cf->caps)); in __kick_flushing_caps()
2449 __prep_cap(&arg, cap, CEPH_CAP_OP_FLUSH, in __kick_flushing_caps()
2454 (cap->issued | cap->implemented), in __kick_flushing_caps()
2469 ret = __send_flush_snap(inode, session, capsnap, cap->mseq, in __kick_flushing_caps()
2490 struct ceph_cap *cap; in ceph_early_kick_flushing_caps() local
2501 cap = ci->i_auth_cap; in ceph_early_kick_flushing_caps()
2502 if (!(cap && cap->session == session)) { in ceph_early_kick_flushing_caps()
2504 &ci->vfs_inode, cap, session->s_mds); in ceph_early_kick_flushing_caps()
2516 if ((cap->issued & ci->i_flushing_caps) != in ceph_early_kick_flushing_caps()
2521 cap->seq = 0; in ceph_early_kick_flushing_caps()
2522 cap->issue_seq = 0; in ceph_early_kick_flushing_caps()
2523 cap->mseq = 0; in ceph_early_kick_flushing_caps()
2538 struct ceph_cap *cap; in ceph_kick_flushing_caps() local
2551 cap = ci->i_auth_cap; in ceph_kick_flushing_caps()
2552 if (!(cap && cap->session == session)) { in ceph_kick_flushing_caps()
2554 &ci->vfs_inode, cap, session->s_mds); in ceph_kick_flushing_caps()
2570 struct ceph_cap *cap = ci->i_auth_cap; in ceph_kick_flushing_inode_caps() local
2581 &cap->session->s_cap_flushing); in ceph_kick_flushing_inode_caps()
3285 struct ceph_cap *cap, in handle_cap_grant() argument
3299 bool was_stale = cap->cap_gen < atomic_read(&session->s_cap_gen); in handle_cap_grant()
3308 inode, cap, session->s_mds, seq, ceph_cap_string(newcaps)); in handle_cap_grant()
3319 ((cap->issued & ~newcaps) & CEPH_CAP_FILE_CACHE) && in handle_cap_grant()
3333 cap->issued = cap->implemented = CEPH_CAP_PIN; in handle_cap_grant()
3343 if (ceph_seq_cmp(seq, cap->seq) <= 0) { in handle_cap_grant()
3344 WARN_ON(cap != ci->i_auth_cap); in handle_cap_grant()
3345 WARN_ON(cap->cap_id != le64_to_cpu(grant->cap_id)); in handle_cap_grant()
3346 seq = cap->seq; in handle_cap_grant()
3347 newcaps |= cap->issued; in handle_cap_grant()
3351 cap->cap_gen = atomic_read(&session->s_cap_gen); in handle_cap_grant()
3352 cap->seq = seq; in handle_cap_grant()
3354 __check_cap_issue(ci, cap, newcaps); in handle_cap_grant()
3439 if (ci->i_auth_cap == cap && (newcaps & CEPH_CAP_ANY_FILE_WR)) { in handle_cap_grant()
3462 (wanted & ~(cap->mds_wanted | newcaps))) { in handle_cap_grant()
3477 if (cap->issued & ~newcaps) { in handle_cap_grant()
3478 int revoking = cap->issued & ~newcaps; in handle_cap_grant()
3481 ceph_cap_string(cap->issued), in handle_cap_grant()
3491 else if (cap == ci->i_auth_cap) in handle_cap_grant()
3495 cap->issued = newcaps; in handle_cap_grant()
3496 cap->implemented |= newcaps; in handle_cap_grant()
3497 } else if (cap->issued == newcaps) { in handle_cap_grant()
3499 ceph_cap_string(cap->issued), ceph_cap_string(newcaps)); in handle_cap_grant()
3501 dout("grant: %s -> %s\n", ceph_cap_string(cap->issued), in handle_cap_grant()
3504 if (cap == ci->i_auth_cap && in handle_cap_grant()
3505 __ceph_caps_revoking_other(ci, cap, newcaps)) in handle_cap_grant()
3508 cap->issued = newcaps; in handle_cap_grant()
3509 cap->implemented |= newcaps; /* add bits only, to in handle_cap_grant()
3514 BUG_ON(cap->issued & ~cap->implemented); in handle_cap_grant()
3524 if (ci->i_auth_cap == cap && in handle_cap_grant()
3579 struct ceph_cap *cap) in handle_cap_flush_ack() argument
3819 struct ceph_cap *cap, *tcap, *new_cap = NULL; in handle_cap_export() local
3841 cap = __get_cap_for_mds(ci, mds); in handle_cap_export()
3842 if (!cap || cap->cap_id != le64_to_cpu(ex->cap_id)) in handle_cap_export()
3846 ceph_remove_cap(cap, false); in handle_cap_export()
3855 issued = cap->issued; in handle_cap_export()
3856 if (issued != cap->implemented) in handle_cap_export()
3860 ceph_vinop(inode), mds, cap->seq, cap->mseq, in handle_cap_export()
3862 ceph_cap_string(cap->implemented)); in handle_cap_export()
3876 if (cap == ci->i_auth_cap) { in handle_cap_export()
3881 ceph_remove_cap(cap, false); in handle_cap_export()
3885 int flag = (cap == ci->i_auth_cap) ? CEPH_CAP_FLAG_AUTH : 0; in handle_cap_export()
3898 ceph_remove_cap(cap, false); in handle_cap_export()
3949 struct ceph_cap *cap, *ocap, *new_cap = NULL; in handle_cap_import() local
3972 cap = __get_cap_for_mds(ci, mds); in handle_cap_import()
3973 if (!cap) { in handle_cap_import()
3980 cap = new_cap; in handle_cap_import()
4013 *target_cap = cap; in handle_cap_import()
4028 struct ceph_cap *cap; in ceph_handle_caps() local
4149 cap = ceph_get_cap(mdsc, NULL); in ceph_handle_caps()
4150 cap->cap_ino = vino.ino; in ceph_handle_caps()
4151 cap->queue_release = 1; in ceph_handle_caps()
4152 cap->cap_id = le64_to_cpu(h->cap_id); in ceph_handle_caps()
4153 cap->mseq = mseq; in ceph_handle_caps()
4154 cap->seq = seq; in ceph_handle_caps()
4155 cap->issue_seq = seq; in ceph_handle_caps()
4157 __ceph_queue_cap_release(session, cap); in ceph_handle_caps()
4187 &cap, &extra_info.issued); in ceph_handle_caps()
4188 handle_cap_grant(inode, session, cap, in ceph_handle_caps()
4197 cap = __get_cap_for_mds(ceph_inode(inode), session->s_mds); in ceph_handle_caps()
4198 if (!cap) { in ceph_handle_caps()
4212 handle_cap_grant(inode, session, cap, in ceph_handle_caps()
4218 h, session, cap); in ceph_handle_caps()
4451 struct ceph_cap *cap; in ceph_encode_inode_release() local
4467 cap = __get_cap_for_mds(ci, mds); in ceph_encode_inode_release()
4468 if (cap && __cap_is_valid(cap)) { in ceph_encode_inode_release()
4469 unless &= cap->issued; in ceph_encode_inode_release()
4481 if (force || (cap->issued & drop)) { in ceph_encode_inode_release()
4482 if (cap->issued & drop) { in ceph_encode_inode_release()
4485 "%s -> %s, wanted %s -> %s\n", inode, cap, in ceph_encode_inode_release()
4486 ceph_cap_string(cap->issued), in ceph_encode_inode_release()
4487 ceph_cap_string(cap->issued & ~drop), in ceph_encode_inode_release()
4488 ceph_cap_string(cap->mds_wanted), in ceph_encode_inode_release()
4491 cap->issued &= ~drop; in ceph_encode_inode_release()
4492 cap->implemented &= ~drop; in ceph_encode_inode_release()
4493 cap->mds_wanted = wanted; in ceph_encode_inode_release()
4494 if (cap == ci->i_auth_cap && in ceph_encode_inode_release()
4499 " (force)\n", inode, cap, in ceph_encode_inode_release()
4500 ceph_cap_string(cap->issued)); in ceph_encode_inode_release()
4504 rel->cap_id = cpu_to_le64(cap->cap_id); in ceph_encode_inode_release()
4505 rel->seq = cpu_to_le32(cap->seq); in ceph_encode_inode_release()
4506 rel->issue_seq = cpu_to_le32(cap->issue_seq); in ceph_encode_inode_release()
4507 rel->mseq = cpu_to_le32(cap->mseq); in ceph_encode_inode_release()
4508 rel->caps = cpu_to_le32(cap->implemented); in ceph_encode_inode_release()
4509 rel->wanted = cpu_to_le32(cap->mds_wanted); in ceph_encode_inode_release()
4516 inode, cap, ceph_cap_string(cap->issued)); in ceph_encode_inode_release()
4588 int ceph_purge_inode_cap(struct inode *inode, struct ceph_cap *cap, bool *invalidate) in ceph_purge_inode_cap() argument
4600 cap, ci, &ci->vfs_inode); in ceph_purge_inode_cap()
4602 is_auth = (cap == ci->i_auth_cap); in ceph_purge_inode_cap()
4603 __ceph_remove_cap(cap, false); in ceph_purge_inode_cap()