1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 2018 Google LLC 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun #include <linux/fs.h> 6*4882a593Smuzhiyun #include <linux/init.h> 7*4882a593Smuzhiyun #include <linux/module.h> 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <uapi/linux/incrementalfs.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include "sysfs.h" 12*4882a593Smuzhiyun #include "vfs.h" 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun static struct file_system_type incfs_fs_type = { 15*4882a593Smuzhiyun .owner = THIS_MODULE, 16*4882a593Smuzhiyun .name = INCFS_NAME, 17*4882a593Smuzhiyun .mount = incfs_mount_fs, 18*4882a593Smuzhiyun .kill_sb = incfs_kill_sb, 19*4882a593Smuzhiyun .fs_flags = 0 20*4882a593Smuzhiyun }; 21*4882a593Smuzhiyun init_incfs_module(void)22*4882a593Smuzhiyunstatic int __init init_incfs_module(void) 23*4882a593Smuzhiyun { 24*4882a593Smuzhiyun int err = 0; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun err = incfs_init_sysfs(); 27*4882a593Smuzhiyun if (err) 28*4882a593Smuzhiyun return err; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun err = register_filesystem(&incfs_fs_type); 31*4882a593Smuzhiyun if (err) 32*4882a593Smuzhiyun incfs_cleanup_sysfs(); 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun return err; 35*4882a593Smuzhiyun } 36*4882a593Smuzhiyun cleanup_incfs_module(void)37*4882a593Smuzhiyunstatic void __exit cleanup_incfs_module(void) 38*4882a593Smuzhiyun { 39*4882a593Smuzhiyun incfs_cleanup_sysfs(); 40*4882a593Smuzhiyun unregister_filesystem(&incfs_fs_type); 41*4882a593Smuzhiyun } 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun module_init(init_incfs_module); 44*4882a593Smuzhiyun module_exit(cleanup_incfs_module); 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun MODULE_LICENSE("GPL v2"); 47*4882a593Smuzhiyun MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY); 48*4882a593Smuzhiyun MODULE_AUTHOR("Eugene Zemtsov <ezemtsov@google.com>"); 49*4882a593Smuzhiyun MODULE_DESCRIPTION("Incremental File System"); 50