133 static int ecryptfs_interpose(struct dentry *lower_dentry,  in ecryptfs_interpose()  argument
136 	struct inode *inode = ecryptfs_get_inode(d_inode(lower_dentry), sb);  in ecryptfs_interpose()
148 	struct dentry *lower_dentry;  in ecryptfs_do_unlink()  local
152 	lower_dentry = ecryptfs_start_removing_dentry(dentry);  in ecryptfs_do_unlink()
153 	if (IS_ERR(lower_dentry))  in ecryptfs_do_unlink()
154 		return PTR_ERR(lower_dentry);  in ecryptfs_do_unlink()
156 	lower_dir = lower_dentry->d_parent->d_inode;  in ecryptfs_do_unlink()
157 	rc = vfs_unlink(&nop_mnt_idmap, lower_dir, lower_dentry, NULL);  in ecryptfs_do_unlink()
166 	end_removing(lower_dentry);  in ecryptfs_do_unlink()
189 	struct dentry *lower_dentry;  in ecryptfs_do_create()  local
193 	lower_dentry = ecryptfs_start_creating_dentry(ecryptfs_dentry);  in ecryptfs_do_create()
194 	if (IS_ERR(lower_dentry))  in ecryptfs_do_create()
195 		return ERR_CAST(lower_dentry);  in ecryptfs_do_create()
196 	lower_dir = lower_dentry->d_parent->d_inode;  in ecryptfs_do_create()
197 	rc = vfs_create(&nop_mnt_idmap, lower_dentry, mode, NULL);  in ecryptfs_do_create()
204 	inode = __ecryptfs_get_inode(d_inode(lower_dentry),  in ecryptfs_do_create()
207 		vfs_unlink(&nop_mnt_idmap, lower_dir, lower_dentry, NULL);  in ecryptfs_do_create()
213 	end_creating(lower_dentry);  in ecryptfs_do_create()
333 				     struct dentry *lower_dentry)  in ecryptfs_lookup_interpose()  argument
341 	BUG_ON(!d_count(lower_dentry));  in ecryptfs_lookup_interpose()
343 	ecryptfs_set_dentry_lower(dentry, lower_dentry);  in ecryptfs_lookup_interpose()
351 	lower_inode = READ_ONCE(lower_dentry->d_inode);  in ecryptfs_lookup_interpose()
392 	struct dentry *lower_dir_dentry, *lower_dentry;  in ecryptfs_lookup()  local
416 	lower_dentry = lookup_noperm_unlocked(&qname, lower_dir_dentry);  in ecryptfs_lookup()
417 	if (IS_ERR(lower_dentry)) {  in ecryptfs_lookup()
420 				PTR_ERR(lower_dentry),  in ecryptfs_lookup()
422 		res = ERR_CAST(lower_dentry);  in ecryptfs_lookup()
424 		res = ecryptfs_lookup_interpose(ecryptfs_dentry, lower_dentry);  in ecryptfs_lookup()
472 	struct dentry *lower_dentry;  in ecryptfs_symlink()  local
478 	lower_dentry = ecryptfs_start_creating_dentry(dentry);  in ecryptfs_symlink()
479 	if (IS_ERR(lower_dentry))  in ecryptfs_symlink()
480 		return PTR_ERR(lower_dentry);  in ecryptfs_symlink()
481 	lower_dir = lower_dentry->d_parent->d_inode;  in ecryptfs_symlink()
491 	rc = vfs_symlink(&nop_mnt_idmap, lower_dir, lower_dentry,  in ecryptfs_symlink()
494 	if (rc || d_really_is_negative(lower_dentry))  in ecryptfs_symlink()
496 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);  in ecryptfs_symlink()
502 	end_creating(lower_dentry);  in ecryptfs_symlink()
512 	struct dentry *lower_dentry;  in ecryptfs_mkdir()  local
516 	lower_dentry = ecryptfs_start_creating_dentry(dentry);  in ecryptfs_mkdir()
517 	if (IS_ERR(lower_dentry))  in ecryptfs_mkdir()
518 		return lower_dentry;  in ecryptfs_mkdir()
519 	lower_dir_dentry = dget(lower_dentry->d_parent);  in ecryptfs_mkdir()
521 	lower_dentry = vfs_mkdir(&nop_mnt_idmap, lower_dir,  in ecryptfs_mkdir()
522 				 lower_dentry, mode, NULL);  in ecryptfs_mkdir()
523 	rc = PTR_ERR(lower_dentry);  in ecryptfs_mkdir()
524 	if (IS_ERR(lower_dentry))  in ecryptfs_mkdir()
527 	if (d_unhashed(lower_dentry))  in ecryptfs_mkdir()
529 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);  in ecryptfs_mkdir()
537 	end_creating(lower_dentry);  in ecryptfs_mkdir()
545 	struct dentry *lower_dentry;  in ecryptfs_rmdir()  local
549 	lower_dentry = ecryptfs_start_removing_dentry(dentry);  in ecryptfs_rmdir()
550 	if (IS_ERR(lower_dentry))  in ecryptfs_rmdir()
551 		return PTR_ERR(lower_dentry);  in ecryptfs_rmdir()
552 	lower_dir = lower_dentry->d_parent->d_inode;  in ecryptfs_rmdir()
554 	rc = vfs_rmdir(&nop_mnt_idmap, lower_dir, lower_dentry, NULL);  in ecryptfs_rmdir()
560 	end_removing(lower_dentry);  in ecryptfs_rmdir()
571 	struct dentry *lower_dentry;  in ecryptfs_mknod()  local
574 	lower_dentry = ecryptfs_start_creating_dentry(dentry);  in ecryptfs_mknod()
575 	if (IS_ERR(lower_dentry))  in ecryptfs_mknod()
576 		return PTR_ERR(lower_dentry);  in ecryptfs_mknod()
577 	lower_dir = lower_dentry->d_parent->d_inode;  in ecryptfs_mknod()
579 	rc = vfs_mknod(&nop_mnt_idmap, lower_dir, lower_dentry, mode, dev, NULL);  in ecryptfs_mknod()
580 	if (rc || d_really_is_negative(lower_dentry))  in ecryptfs_mknod()
582 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);  in ecryptfs_mknod()
588 	end_creating(lower_dentry);  in ecryptfs_mknod()
642 	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_readlink_lower()  local
647 	link = vfs_get_link(lower_dentry, &done);  in ecryptfs_readlink_lower()
855 		struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_truncate()  local
857 		inode_lock(d_inode(lower_dentry));  in ecryptfs_truncate()
858 		rc = notify_change(&nop_mnt_idmap, lower_dentry,  in ecryptfs_truncate()
860 		inode_unlock(d_inode(lower_dentry));  in ecryptfs_truncate()
890 	struct dentry *lower_dentry;  in ecryptfs_setattr()  local
901 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_setattr()
963 	inode_lock(d_inode(lower_dentry));  in ecryptfs_setattr()
964 	rc = notify_change(&nop_mnt_idmap, lower_dentry, &lower_ia, NULL);  in ecryptfs_setattr()
965 	inode_unlock(d_inode(lower_dentry));  in ecryptfs_setattr()
1023 	struct dentry *lower_dentry;  in ecryptfs_setxattr()  local
1026 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_setxattr()
1027 	lower_inode = d_inode(lower_dentry);  in ecryptfs_setxattr()
1033 	rc = __vfs_setxattr_locked(&nop_mnt_idmap, lower_dentry, name, value, size, flags, NULL);  in ecryptfs_setxattr()
1042 ecryptfs_getxattr_lower(struct dentry *lower_dentry, struct inode *lower_inode,  in ecryptfs_getxattr_lower()  argument
1052 	rc = __vfs_getxattr(lower_dentry, lower_inode, name, value, size);  in ecryptfs_getxattr_lower()
1071 	struct dentry *lower_dentry;  in ecryptfs_listxattr()  local
1073 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_listxattr()
1074 	if (!d_inode(lower_dentry)->i_op->listxattr) {  in ecryptfs_listxattr()
1078 	inode_lock(d_inode(lower_dentry));  in ecryptfs_listxattr()
1079 	rc = d_inode(lower_dentry)->i_op->listxattr(lower_dentry, list, size);  in ecryptfs_listxattr()
1080 	inode_unlock(d_inode(lower_dentry));  in ecryptfs_listxattr()
1089 	struct dentry *lower_dentry;  in ecryptfs_removexattr()  local
1092 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_removexattr()
1099 	rc = __vfs_removexattr(&nop_mnt_idmap, lower_dentry, name);  in ecryptfs_removexattr()
1113 	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_fileattr_set()  local
1116 	rc = vfs_fileattr_set(&nop_mnt_idmap, lower_dentry, fa);  in ecryptfs_fileattr_set()
1117 	fsstack_copy_attr_all(d_inode(dentry), d_inode(lower_dentry));  in ecryptfs_fileattr_set()
1134 	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_set_acl()  local
1135 	struct inode *lower_inode = d_inode(lower_dentry);  in ecryptfs_set_acl()
1137 	rc = vfs_set_acl(&nop_mnt_idmap, lower_dentry,  in ecryptfs_set_acl()