int __kinit__ devfs_init(void)
{
struct fs_superblock * sb;
SUBSYS_DEP(ramfs_init);
SUBSYS_INIT("devfs");
FS_GIANT_INIT(&devfs_fs.fs_giant);
/*
* Inherit ramfs and override what's needed.
*/
fs_inherit_vnops(&devfs_vnode_ops, &ramfs_vnode_ops);
vn_devfs = fs_create_pseudofs_root(&devfs_fs, VDEV_MJNR_DEVFS);
if (!vn_devfs)
return -ENOMEM;
/*
* It's perfectly ok to set a new delete_vnode() function
* as sb struct is always a fresh struct so altering it
* doesn't really break functionality for anyone else than us.
*/
sb = vn_devfs->sb;
sb->delete_vnode = devfs_delete_vnode;
sb->umount = devfs_umount;
/*
* Finally register our creation with fs subsystem.
*/
fs_register(&devfs_fs);
_devfs_create_specials();
return 0;
}
int __kinit__ procfs_init(void)
{
SUBSYS_DEP(ramfs_init);
SUBSYS_INIT("procfs");
/*
* This must be static as it's referenced and used in the file system via
* the fs object system.
*/
static fs_t procfs_fs = {
.fsname = PROCFS_FSNAME,
.mount = procfs_mount,
.sblist_head = SLIST_HEAD_INITIALIZER(),
};
specinfo_pool = mempool_init(MEMPOOL_TYPE_NONBLOCKING,
sizeof(struct procfs_info),
configMAXPROC);
if (!specinfo_pool)
return -ENOMEM;
FS_GIANT_INIT(&procfs_fs.fs_giant);
/*
* Inherit unimplemented vnops from ramfs.
*/
fs_inherit_vnops(&procfs_vnode_ops, &ramfs_vnode_ops);
vn_procfs = fs_create_pseudofs_root(&procfs_fs, VDEV_MJNR_PROCFS);
if (!vn_procfs)
return -ENOMEM;
struct fs_superblock * sb = vn_procfs->sb;
sb->delete_vnode = procfs_delete_vnode;
vn_procfs->sb->umount = procfs_umount;
fs_register(&procfs_fs);
int err = init_permanent_files();
if (err)
return err;
procfs_updatedir(vn_procfs);
return 0;
}
int __kinit__ devfs_init(void)
{
SUBSYS_DEP(ramfs_init);
SUBSYS_INIT("devfs");
/*
* This must be static as it's referenced and used in the file system via
* the fs object system.
*/
static fs_t devfs_fs = {
.fsname = DEVFS_FSNAME,
.mount = devfs_mount,
.sblist_head = SLIST_HEAD_INITIALIZER(),
};
FS_GIANT_INIT(&devfs_fs.fs_giant);
/*
* Inherit ramfs and override what's needed.
*/
fs_inherit_vnops(&devfs_vnode_ops, &ramfs_vnode_ops);
vn_devfs = fs_create_pseudofs_root(&devfs_fs, VDEV_MJNR_DEVFS);
if (!vn_devfs)
return -ENOMEM;
/*
* It's perfectly ok to set a new delete_vnode() function
* as sb struct is always a fresh struct so altering it
* doesn't really break functionality for anyone else than us.
*/
struct fs_superblock * sb = vn_devfs->sb;
sb->delete_vnode = devfs_delete_vnode;
sb->umount = devfs_umount;
/*
* Finally register our creation with fs subsystem.
*/
fs_register(&devfs_fs);
_devfs_create_specials();
return 0;
}
int __kinit__ fatfs_init(void)
{
int err;
SUBSYS_DEP(fs_init);
SUBSYS_DEP(proc_init);
SUBSYS_INIT("fatfs");
fatfs_sb_arr = kcalloc(configFATFS_MAX_MOUNTS, sizeof(struct fatfs_sb *));
if (!fatfs_sb_arr)
return -ENOMEM;
fs_inherit_vnops(&fatfs_vnode_ops, &nofs_vnode_ops);
err = ff_init();
if (err)
return err;
FS_GIANT_INIT(&fatfs_fs.fs_giant);
fs_register(&fatfs_fs);
return 0;
}
