Lines Matching refs:vnode
32 static noinline void dump_vnode(struct afs_vnode *vnode, struct afs_vnode *parent_vnode)
36 pr_warn("kAFS: AFS vnode with undefined type %u\n", vnode->status.type);
38 vnode->status.abort_code,
39 vnode->status.mode,
40 vnode->status.size,
41 vnode->status.data_version);
42 pr_warn("kAFS: vnode %llx:%llx:%x\n",
43 vnode->fid.vid,
44 vnode->fid.vnode,
45 vnode->fid.unique);
49 parent_vnode->fid.vnode,
59 static void afs_set_netfs_context(struct afs_vnode *vnode)
61 netfs_inode_init(&vnode->netfs, &afs_req_ops);
65 * Initialise an inode from the vnode status.
69 struct afs_vnode *vnode)
72 struct inode *inode = AFS_VNODE_TO_I(vnode);
76 vp->fid.vid, vp->fid.vnode, vp->fid.unique,
86 write_seqlock(&vnode->cb_lock);
88 vnode->cb_v_break = op->cb_v_break;
89 vnode->cb_s_break = op->cb_s_break;
90 vnode->status = *status;
99 set_nlink(&vnode->netfs.inode, status->nlink);
121 set_bit(AFS_VNODE_MOUNTPOINT, &vnode->flags);
135 dump_vnode(vnode, op->file[0].vnode != vnode ? op->file[0].vnode : NULL);
136 write_sequnlock(&vnode->cb_lock);
140 afs_set_i_size(vnode, status->size);
141 afs_set_netfs_context(vnode);
143 vnode->invalid_before = status->data_version;
144 inode_set_iversion_raw(&vnode->netfs.inode, status->data_version);
149 vnode->cb_expires_at = ktime_get_real_seconds();
151 vnode->cb_expires_at = vp->scb.callback.expires_at;
152 vnode->cb_server = op->server;
153 set_bit(AFS_VNODE_CB_PROMISED, &vnode->flags);
156 write_sequnlock(&vnode->cb_lock);
167 struct afs_vnode *vnode = vp->vnode;
168 struct inode *inode = &vnode->netfs.inode;
175 vp->fid.vid, vp->fid.vnode, vp->fid.unique,
178 BUG_ON(test_bit(AFS_VNODE_UNSET, &vnode->flags));
180 if (status->type != vnode->status.type) {
182 vnode->fid.vid,
183 vnode->fid.vnode,
184 vnode->fid.unique,
185 status->type, vnode->status.type);
190 if (status->nlink != vnode->status.nlink)
193 if (status->owner != vnode->status.owner)
196 if (status->group != vnode->status.group)
199 if (status->mode != vnode->status.mode) {
211 if (vnode->status.data_version != status->data_version)
214 vnode->status = *status;
217 if (test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags))
218 pr_warn("kAFS: vnode modified {%llx:%llu} %llx->%llx %s (op=%x)\n",
219 vnode->fid.vid, vnode->fid.vnode,
225 vnode->invalid_before = status->data_version;
226 if (vnode->status.type == AFS_FTYPE_DIR) {
227 if (test_and_clear_bit(AFS_VNODE_DIR_VALID, &vnode->flags))
228 afs_stat_v(vnode, n_inval);
230 set_bit(AFS_VNODE_ZAP_DATA, &vnode->flags);
234 } else if (vnode->status.type == AFS_FTYPE_DIR) {
239 if (test_bit(AFS_VNODE_DIR_VALID, &vnode->flags))
252 vnode->netfs.remote_i_size = status->size;
254 afs_set_i_size(vnode, status->size);
262 * Apply a callback to a vnode.
268 struct afs_vnode *vnode = vp->vnode;
270 if (!afs_cb_is_broken(vp->cb_break_before, vnode)) {
271 vnode->cb_expires_at = cb->expires_at;
272 vnode->cb_server = op->server;
273 set_bit(AFS_VNODE_CB_PROMISED, &vnode->flags);
283 struct afs_vnode *vnode = vp->vnode;
287 write_seqlock(&vnode->cb_lock);
294 set_bit(AFS_VNODE_DELETED, &vnode->flags);
295 clear_nlink(&vnode->netfs.inode);
296 __afs_break_callback(vnode, afs_cb_break_for_deleted);
301 (test_bit(AFS_VNODE_MODIFYING, &vnode->flags) ||
302 vp->dv_before != vnode->status.data_version))
312 drop_nlink(&vnode->netfs.inode);
313 if (vnode->netfs.inode.i_nlink == 0) {
314 set_bit(AFS_VNODE_DELETED, &vnode->flags);
315 __afs_break_callback(vnode, afs_cb_break_for_deleted);
320 write_sequnlock(&vnode->cb_lock);
323 afs_cache_permit(vnode, op->key, vp->cb_break_before, &vp->scb);
329 struct afs_vnode *vnode = vp->vnode;
332 if (vnode->netfs.inode.i_state & I_NEW) {
333 ret = afs_inode_init_from_status(op, vp, vnode);
336 afs_cache_permit(vnode, op->key, vp->cb_break_before, &vp->scb);
352 int afs_fetch_status(struct afs_vnode *vnode, struct key *key, bool is_new,
358 vnode->volume->name,
359 vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique,
360 vnode->flags);
362 op = afs_alloc_operation(key, vnode->volume);
366 afs_op_set_vnode(op, 0, vnode);
383 struct afs_vnode *vnode = AFS_FS_I(inode);
386 return (fid->vnode == vnode->fid.vnode &&
387 fid->vnode_hi == vnode->fid.vnode_hi &&
388 fid->unique == vnode->fid.unique);
397 //struct afs_vnode *vnode = AFS_FS_I(inode);
409 struct afs_vnode *vnode = AFS_FS_I(inode);
411 vnode->volume = as->volume;
412 vnode->fid = vp->fid;
414 /* YFS supports 96-bit vnode IDs, but Linux only supports
417 inode->i_ino = vnode->fid.vnode;
418 inode->i_generation = vnode->fid.unique;
425 static void afs_get_inode_cache(struct afs_vnode *vnode)
435 if (vnode->status.type != AFS_FTYPE_FILE) {
436 vnode->netfs.cache = NULL;
440 key.vnode_id = htonl(vnode->fid.vnode);
441 key.unique = htonl(vnode->fid.unique);
442 key.vnode_id_ext[0] = htonl(vnode->fid.vnode >> 32);
443 key.vnode_id_ext[1] = htonl(vnode->fid.vnode_hi);
444 afs_set_cache_aux(vnode, &aux);
446 afs_vnode_set_cache(vnode,
448 vnode->volume->cache,
449 vnode->status.type == AFS_FTYPE_FILE ?
453 i_size_read(&vnode->netfs.inode)));
463 struct super_block *sb = dvp->vnode->netfs.inode.i_sb;
464 struct afs_vnode *vnode;
468 _enter(",{%llx:%llu.%u},,", vp->fid.vid, vp->fid.vnode, vp->fid.unique);
470 inode = iget5_locked(sb, vp->fid.vnode, afs_iget5_test, afs_iget5_set, vp);
476 vnode = AFS_FS_I(inode);
479 inode, vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique);
487 ret = afs_inode_init_from_status(op, vp, vnode);
491 afs_get_inode_cache(vnode);
494 clear_bit(AFS_VNODE_UNSET, &vnode->flags);
509 struct afs_vnode *vnode = AFS_FS_I(inode);
511 vnode->volume = as->volume;
512 vnode->fid.vid = as->volume->vid,
513 vnode->fid.vnode = 1;
514 vnode->fid.unique = 1;
521 * Set up the root inode for a volume. This is always vnode 1, unique 1 within
528 struct afs_vnode *vnode;
544 vnode = AFS_FS_I(inode);
545 vnode->cb_v_break = as->volume->cb_v_break,
546 afs_set_netfs_context(vnode);
554 afs_op_set_vnode(op, 0, vnode);
562 afs_get_inode_cache(vnode);
564 clear_bit(AFS_VNODE_UNSET, &vnode->flags);
579 static void afs_zap_data(struct afs_vnode *vnode)
581 _enter("{%llx:%llu}", vnode->fid.vid, vnode->fid.vnode);
583 afs_invalidate_cache(vnode, 0);
588 if (S_ISREG(vnode->netfs.inode.i_mode))
589 invalidate_remote_inode(&vnode->netfs.inode);
591 invalidate_inode_pages2(vnode->netfs.inode.i_mapping);
598 static bool afs_check_server_good(struct afs_vnode *vnode)
605 if (vnode->cb_fs_s_break == atomic_read(&vnode->volume->cell->fs_s_break))
610 slist = rcu_dereference(vnode->volume->servers);
613 if (server == vnode->cb_server) {
614 good = (vnode->cb_s_break == server->cb_s_break);
625 * Check the validity of a vnode/inode.
627 bool afs_check_validity(struct afs_vnode *vnode)
635 read_seqbegin_or_lock(&vnode->cb_lock, &seq);
636 cb_break = vnode->cb_break;
638 if (test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags)) {
639 if (vnode->cb_v_break != vnode->volume->cb_v_break)
641 else if (!afs_check_server_good(vnode))
643 else if (test_bit(AFS_VNODE_ZAP_DATA, &vnode->flags))
645 else if (vnode->cb_expires_at - 10 <= now)
647 } else if (test_bit(AFS_VNODE_DELETED, &vnode->flags)) {
653 } while (need_seqretry(&vnode->cb_lock, seq));
655 done_seqretry(&vnode->cb_lock, seq);
660 write_seqlock(&vnode->cb_lock);
662 vnode->cb_v_break = vnode->volume->cb_v_break;
663 else if (cb_break == vnode->cb_break)
664 __afs_break_callback(vnode, need_clear);
666 trace_afs_cb_miss(&vnode->fid, need_clear);
667 write_sequnlock(&vnode->cb_lock);
674 bool afs_pagecache_valid(struct afs_vnode *vnode)
676 if (unlikely(test_bit(AFS_VNODE_DELETED, &vnode->flags))) {
677 if (vnode->netfs.inode.i_nlink)
678 clear_nlink(&vnode->netfs.inode);
682 if (test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags) &&
683 afs_check_validity(vnode))
690 * validate a vnode/inode
698 int afs_validate(struct afs_vnode *vnode, struct key *key)
703 vnode->fid.vid, vnode->fid.vnode, vnode->flags,
706 if (afs_pagecache_valid(vnode))
709 down_write(&vnode->validate_lock);
715 if (!test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags)) {
717 ret = afs_fetch_status(vnode, key, false, NULL);
720 set_bit(AFS_VNODE_DELETED, &vnode->flags);
725 _debug("new promise [fl=%lx]", vnode->flags);
728 if (test_bit(AFS_VNODE_DELETED, &vnode->flags)) {
734 /* if the vnode's data version number changed then its contents are
736 if (test_and_clear_bit(AFS_VNODE_ZAP_DATA, &vnode->flags))
737 afs_zap_data(vnode);
738 up_write(&vnode->validate_lock);
744 up_write(&vnode->validate_lock);
756 struct afs_vnode *vnode = AFS_FS_I(inode);
762 if (vnode->volume &&
764 !test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags)) {
765 key = afs_request_key(vnode->volume->cell);
768 ret = afs_validate(vnode, key);
775 read_seqbegin_or_lock(&vnode->cb_lock, &seq);
777 if (test_bit(AFS_VNODE_SILLY_DELETED, &vnode->flags) &&
786 stat->size = vnode->netfs.remote_i_size;
787 } while (need_seqretry(&vnode->cb_lock, seq));
789 done_seqretry(&vnode->cb_lock, seq);
812 struct afs_vnode *vnode = AFS_FS_I(inode);
815 vnode->fid.vid,
816 vnode->fid.vnode,
817 vnode->fid.unique);
821 ASSERTCMP(inode->i_ino, ==, vnode->fid.vnode);
825 afs_set_cache_aux(vnode, &aux);
826 fscache_clear_inode_writeback(afs_vnode_cache(vnode), inode, &aux);
829 while (!list_empty(&vnode->wb_keys)) {
830 struct afs_wb_key *wbk = list_entry(vnode->wb_keys.next,
836 fscache_relinquish_cookie(afs_vnode_cache(vnode),
837 test_bit(AFS_VNODE_DELETED, &vnode->flags));
839 afs_prune_wb_keys(vnode);
840 afs_put_permits(rcu_access_pointer(vnode->permit_cache));
841 key_put(vnode->silly_key);
842 vnode->silly_key = NULL;
843 key_put(vnode->lock_key);
844 vnode->lock_key = NULL;
851 struct inode *inode = &vp->vnode->netfs.inode;
868 struct inode *inode = &vp->vnode->netfs.inode;
877 fscache_resize_cookie(afs_vnode_cache(vp->vnode),
899 struct afs_vnode *vnode = AFS_FS_I(d_inode(dentry));
900 struct inode *inode = &vnode->netfs.inode;
905 vnode->fid.vid, vnode->fid.vnode, dentry,
926 fscache_use_cookie(afs_vnode_cache(vnode), true);
929 down_write(&vnode->validate_lock);
946 attr->ia_size > vnode->status.size) {
948 fscache_resize_cookie(afs_vnode_cache(vnode),
958 vnode->volume);
964 afs_op_set_vnode(op, 0, vnode);
979 up_write(&vnode->validate_lock);
980 fscache_unuse_cookie(afs_vnode_cache(vnode), NULL, NULL);