net/sunrpc/rpc_pipe.c

488 static int __rpc_create_common(struct inode *dir, struct dentry *dentry,
496 	inode = rpc_get_inode(dir->i_sb, mode);
499 	inode->i_ino = iunique(dir->i_sb, 100);
513 static int __rpc_create(struct inode *dir, struct dentry *dentry,
520 	err = __rpc_create_common(dir, dentry, S_IFREG | mode, i_fop, private);
523 	fsnotify_create(dir, dentry);
527 static int __rpc_mkdir(struct inode *dir, struct dentry *dentry,
534 	err = __rpc_create_common(dir, dentry, S_IFDIR | mode, i_fop, private);
537 	inc_nlink(dir);
538 	fsnotify_mkdir(dir, dentry);
578 static int __rpc_mkpipe_dentry(struct inode *dir, struct dentry *dentry,
587 	err = __rpc_create_common(dir, dentry, S_IFIFO | mode, i_fop, private);
593 	fsnotify_create(dir, dentry);
597 static int __rpc_rmdir(struct inode *dir, struct dentry *dentry)
602 	ret = simple_rmdir(dir, dentry);
605 		fsnotify_rmdir(dir, dentry);
610 static int __rpc_unlink(struct inode *dir, struct dentry *dentry)
615 	ret = simple_unlink(dir, dentry);
618 		fsnotify_unlink(dir, dentry);
623 static int __rpc_rmpipe(struct inode *dir, struct dentry *dentry)
628 	return __rpc_unlink(dir, dentry);
654 	struct inode *dir = d_inode(parent);
672 				__rpc_unlink(dir, dentry);
675 				__rpc_rmdir(dir, dentry);
686 	struct inode *dir = d_inode(parent);
688 	inode_lock_nested(dir, I_MUTEX_CHILD);
690 	inode_unlock(dir);
698 	struct inode *dir = d_inode(parent);
702 	inode_lock(dir);
712 				err = __rpc_create(dir, dentry,
718 				err = __rpc_mkdir(dir, dentry,
726 	inode_unlock(dir);
730 	inode_unlock(dir);
741 	struct inode *dir = d_inode(parent);
744 	inode_lock_nested(dir, I_MUTEX_PARENT);
748 	error = __rpc_mkdir(dir, dentry, mode, NULL, private);
757 	inode_unlock(dir);
760 	__rpc_rmdir(dir, dentry);
770 	struct inode *dir;
774 	dir = d_inode(parent);
775 	inode_lock_nested(dir, I_MUTEX_PARENT);
778 	error = __rpc_rmdir(dir, dentry);
779 	inode_unlock(dir);
807 	struct inode *dir = d_inode(parent);
816 	inode_lock_nested(dir, I_MUTEX_PARENT);
820 	err = __rpc_mkpipe_dentry(dir, dentry, umode, &rpc_pipe_fops,
825 	inode_unlock(dir);
848 	struct inode *dir;
852 	dir = d_inode(parent);
853 	inode_lock_nested(dir, I_MUTEX_PARENT);
854 	error = __rpc_rmpipe(dir, dentry);
855 	inode_unlock(dir);
998 	struct dentry *dir = pdh->pdh_dentry;
1001 		pdo->pdo_ops->create(dir, pdo);
1008 	struct dentry *dir = pdh->pdh_dentry;
1011 		pdo->pdo_ops->destroy(dir, pdo);
1194 	struct qstr dir = QSTR_INIT(dir_name, strlen(dir_name));
1195 	return d_hash_and_lookup(sb->s_root, &dir);