89 static struct inode *fuse_alloc_inode(struct super_block *sb)  in fuse_alloc_inode()
117 	return &fi->inode;  in fuse_alloc_inode()
126 static void fuse_free_inode(struct inode *inode)  in fuse_free_inode()  argument
128 	struct fuse_inode *fi = get_fuse_inode(inode);  in fuse_free_inode()
152 static void fuse_evict_inode(struct inode *inode)  in fuse_evict_inode()  argument
154 	struct fuse_inode *fi = get_fuse_inode(inode);  in fuse_evict_inode()
157 	WARN_ON(inode->i_state & I_DIRTY_INODE);  in fuse_evict_inode()
159 	truncate_inode_pages_final(&inode->i_data);  in fuse_evict_inode()
160 	clear_inode(inode);  in fuse_evict_inode()
161 	if (inode->i_sb->s_flags & SB_ACTIVE) {  in fuse_evict_inode()
162 		struct fuse_conn *fc = get_fuse_conn(inode);  in fuse_evict_inode()
164 		if (FUSE_IS_DAX(inode))  in fuse_evict_inode()
165 			fuse_dax_inode_cleanup(inode);  in fuse_evict_inode()
177 	if (S_ISREG(inode->i_mode) && !fuse_is_bad(inode)) {  in fuse_evict_inode()
207 void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,  in fuse_change_attributes_common()  argument
211 	struct fuse_conn *fc = get_fuse_conn(inode);  in fuse_change_attributes_common()
212 	struct fuse_inode *fi = get_fuse_inode(inode);  in fuse_change_attributes_common()
221 	inode->i_ino     = fuse_squash_ino(attr->ino);  in fuse_change_attributes_common()
222 	inode->i_mode    = (inode->i_mode & S_IFMT) | (attr->mode & 07777);  in fuse_change_attributes_common()
223 	set_nlink(inode, attr->nlink);  in fuse_change_attributes_common()
224 	inode->i_uid     = make_kuid(fc->user_ns, attr->uid);  in fuse_change_attributes_common()
225 	inode->i_gid     = make_kgid(fc->user_ns, attr->gid);  in fuse_change_attributes_common()
226 	inode->i_blocks  = attr->blocks;  in fuse_change_attributes_common()
233 	inode_set_atime(inode, attr->atime, attr->atimensec);  in fuse_change_attributes_common()
236 		inode_set_mtime(inode, attr->mtime, attr->mtimensec);  in fuse_change_attributes_common()
239 		inode_set_ctime(inode, attr->ctime, attr->ctimensec);  in fuse_change_attributes_common()
262 		inode->i_blkbits = ilog2(attr->blksize);  in fuse_change_attributes_common()
264 		inode->i_blkbits = inode->i_sb->s_blocksize_bits;  in fuse_change_attributes_common()
271 	fi->orig_i_mode = inode->i_mode;  in fuse_change_attributes_common()
273 		inode->i_mode &= ~S_ISVTX;  in fuse_change_attributes_common()
285 	inode->i_flags &= ~S_NOSEC;  in fuse_change_attributes_common()
288 u32 fuse_get_cache_mask(struct inode *inode)  in fuse_get_cache_mask()  argument
290 	struct fuse_conn *fc = get_fuse_conn(inode);  in fuse_get_cache_mask()
292 	if (!fc->writeback_cache || !S_ISREG(inode->i_mode))  in fuse_get_cache_mask()
298 void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr,  in fuse_change_attributes()  argument
302 	struct fuse_conn *fc = get_fuse_conn(inode);  in fuse_change_attributes()
303 	struct fuse_inode *fi = get_fuse_inode(inode);  in fuse_change_attributes()
314 	cache_mask = fuse_get_cache_mask(inode);  in fuse_change_attributes()
316 		attr->size = i_size_read(inode);  in fuse_change_attributes()
319 		attr->mtime = inode_get_mtime_sec(inode);  in fuse_change_attributes()
320 		attr->mtimensec = inode_get_mtime_nsec(inode);  in fuse_change_attributes()
323 		attr->ctime = inode_get_ctime_sec(inode);  in fuse_change_attributes()
324 		attr->ctimensec = inode_get_ctime_nsec(inode);  in fuse_change_attributes()
333 	old_mtime = inode_get_mtime(inode);  in fuse_change_attributes()
334 	fuse_change_attributes_common(inode, attr, sx, attr_valid, cache_mask);  in fuse_change_attributes()
336 	oldsize = inode->i_size;  in fuse_change_attributes()
343 		i_size_write(inode, attr->size);  in fuse_change_attributes()
346 	if (!cache_mask && S_ISREG(inode->i_mode)) {  in fuse_change_attributes()
350 			truncate_pagecache(inode, attr->size);  in fuse_change_attributes()
368 			invalidate_inode_pages2(inode->i_mapping);  in fuse_change_attributes()
372 		fuse_dax_dontcache(inode, attr->flags);  in fuse_change_attributes()
382 static void fuse_init_inode(struct inode *inode, struct fuse_attr *attr,  in fuse_init_inode()  argument
385 	inode->i_mode = attr->mode & S_IFMT;  in fuse_init_inode()
386 	inode->i_size = attr->size;  in fuse_init_inode()
387 	inode_set_mtime(inode, attr->mtime, attr->mtimensec);  in fuse_init_inode()
388 	inode_set_ctime(inode, attr->ctime, attr->ctimensec);  in fuse_init_inode()
389 	if (S_ISREG(inode->i_mode)) {  in fuse_init_inode()
390 		fuse_init_common(inode);  in fuse_init_inode()
391 		fuse_init_file_inode(inode, attr->flags);  in fuse_init_inode()
392 	} else if (S_ISDIR(inode->i_mode))  in fuse_init_inode()
393 		fuse_init_dir(inode);  in fuse_init_inode()
394 	else if (S_ISLNK(inode->i_mode))  in fuse_init_inode()
395 		fuse_init_symlink(inode);  in fuse_init_inode()
396 	else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||  in fuse_init_inode()
397 		 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {  in fuse_init_inode()
398 		fuse_init_common(inode);  in fuse_init_inode()
399 		init_special_inode(inode, inode->i_mode,  in fuse_init_inode()
408 		inode->i_acl = inode->i_default_acl = ACL_DONT_CACHE;  in fuse_init_inode()
411 static int fuse_inode_eq(struct inode *inode, void *_nodeidp)  in fuse_inode_eq()  argument
414 	if (get_node_id(inode) == nodeid)  in fuse_inode_eq()
420 static int fuse_inode_set(struct inode *inode, void *_nodeidp)  in fuse_inode_set()  argument
423 	get_fuse_inode(inode)->nodeid = nodeid;  in fuse_inode_set()
427 struct inode *fuse_iget(struct super_block *sb, u64 nodeid,  in fuse_iget()
431 	struct inode *inode;  in fuse_iget()  local
446 		inode = new_inode(sb);  in fuse_iget()
447 		if (!inode)  in fuse_iget()
450 		fuse_init_inode(inode, attr, fc);  in fuse_iget()
451 		fi = get_fuse_inode(inode);  in fuse_iget()
455 			iput(inode);  in fuse_iget()
460 		inode->i_flags |= S_AUTOMOUNT;  in fuse_iget()
465 	inode = iget5_locked(sb, nodeid, fuse_inode_eq, fuse_inode_set, &nodeid);  in fuse_iget()
466 	if (!inode)  in fuse_iget()
469 	if ((inode->i_state & I_NEW)) {  in fuse_iget()
470 		inode->i_flags |= S_NOATIME;  in fuse_iget()
472 			inode->i_flags |= S_NOCMTIME;  in fuse_iget()
473 		inode->i_generation = generation;  in fuse_iget()
474 		fuse_init_inode(inode, attr, fc);  in fuse_iget()
475 		unlock_new_inode(inode);  in fuse_iget()
476 	} else if (fuse_stale_inode(inode, generation, attr)) {  in fuse_iget()
478 		fuse_make_bad(inode);  in fuse_iget()
479 		if (inode != d_inode(sb->s_root)) {  in fuse_iget()
480 			remove_inode_hash(inode);  in fuse_iget()
481 			iput(inode);  in fuse_iget()
485 	fi = get_fuse_inode(inode);  in fuse_iget()
490 	fuse_change_attributes(inode, attr, NULL, attr_valid, attr_version);  in fuse_iget()
492 	return inode;  in fuse_iget()
495 struct inode *fuse_ilookup(struct fuse_conn *fc, u64 nodeid,  in fuse_ilookup()
499 	struct inode *inode;  in fuse_ilookup()  local
506 		inode = ilookup5(fm_iter->sb, nodeid, fuse_inode_eq, &nodeid);  in fuse_ilookup()
507 		if (inode) {  in fuse_ilookup()
510 			return inode;  in fuse_ilookup()
521 	struct inode *inode;  in fuse_reverse_inval_inode()  local
525 	inode = fuse_ilookup(fc, nodeid, NULL);  in fuse_reverse_inval_inode()
526 	if (!inode)  in fuse_reverse_inval_inode()
529 	fi = get_fuse_inode(inode);  in fuse_reverse_inval_inode()
534 	fuse_invalidate_attr(inode);  in fuse_reverse_inval_inode()
535 	forget_all_cached_acls(inode);  in fuse_reverse_inval_inode()
542 		invalidate_inode_pages2_range(inode->i_mapping,  in fuse_reverse_inval_inode()
545 	iput(inode);  in fuse_reverse_inval_inode()
549 bool fuse_lock_inode(struct inode *inode)  in fuse_lock_inode()  argument
553 	if (!get_fuse_conn(inode)->parallel_dirops) {  in fuse_lock_inode()
554 		mutex_lock(&get_fuse_inode(inode)->mutex);  in fuse_lock_inode()
561 void fuse_unlock_inode(struct inode *inode, bool locked)  in fuse_unlock_inode()  argument
564 		mutex_unlock(&get_fuse_inode(inode)->mutex);  in fuse_unlock_inode()
996 static struct inode *fuse_get_root_inode(struct super_block *sb, unsigned mode)  in fuse_get_root_inode()
1016 	struct inode *inode;  in fuse_get_dentry()  local
1023 	inode = ilookup5(sb, handle->nodeid, fuse_inode_eq, &handle->nodeid);  in fuse_get_dentry()
1024 	if (!inode) {  in fuse_get_dentry()
1032 				       &inode);  in fuse_get_dentry()
1035 		if (err || !inode) {  in fuse_get_dentry()
1040 		if (get_node_id(inode) != handle->nodeid)  in fuse_get_dentry()
1044 	if (inode->i_generation != handle->generation)  in fuse_get_dentry()
1047 	entry = d_obtain_alias(inode);  in fuse_get_dentry()
1048 	if (!IS_ERR(entry) && get_node_id(inode) != FUSE_ROOT_ID)  in fuse_get_dentry()
1054 	iput(inode);  in fuse_get_dentry()
1059 static int fuse_encode_fh(struct inode *inode, u32 *fh, int *max_len,  in fuse_encode_fh()  argument
1060 			   struct inode *parent)  in fuse_encode_fh()
1071 	nodeid = get_fuse_inode(inode)->nodeid;  in fuse_encode_fh()
1072 	generation = inode->i_generation;  in fuse_encode_fh()
1122 	struct inode *child_inode = d_inode(child);  in fuse_get_parent()
1124 	struct inode *inode;  in fuse_get_parent()  local
1133 			       &dotdot_name, &outarg, &inode);  in fuse_get_parent()
1140 	parent = d_obtain_alias(inode);  in fuse_get_parent()
1141 	if (!IS_ERR(parent) && get_node_id(inode) != FUSE_ROOT_ID)  in fuse_get_parent()
1549 	struct timespec64 atime = inode_get_atime(&fi->inode);  in fuse_fill_attr_from_inode()
1550 	struct timespec64 mtime = inode_get_mtime(&fi->inode);  in fuse_fill_attr_from_inode()
1551 	struct timespec64 ctime = inode_get_ctime(&fi->inode);  in fuse_fill_attr_from_inode()
1554 		.ino		= fi->inode.i_ino,  in fuse_fill_attr_from_inode()
1555 		.size		= fi->inode.i_size,  in fuse_fill_attr_from_inode()
1556 		.blocks		= fi->inode.i_blocks,  in fuse_fill_attr_from_inode()
1563 		.mode		= fi->inode.i_mode,  in fuse_fill_attr_from_inode()
1564 		.nlink		= fi->inode.i_nlink,  in fuse_fill_attr_from_inode()
1565 		.uid		= __kuid_val(fi->inode.i_uid),  in fuse_fill_attr_from_inode()
1566 		.gid		= __kgid_val(fi->inode.i_gid),  in fuse_fill_attr_from_inode()
1567 		.rdev		= fi->inode.i_rdev,  in fuse_fill_attr_from_inode()
1568 		.blksize	= 1u << fi->inode.i_blkbits,  in fuse_fill_attr_from_inode()
1591 	struct super_block *parent_sb = parent_fi->inode.i_sb;  in fuse_fill_super_submount()
1593 	struct inode *root;  in fuse_fill_super_submount()
1648 	struct fuse_conn *fc = get_fuse_conn(&mp_fi->inode);  in fuse_get_tree_submount()
1697 	struct inode *root;  in fuse_fill_super_common()
2041 	struct inode *inode = foo;  in fuse_inode_init_once()  local
2043 	inode_init_once(inode);  in fuse_inode_init_once()