AquilaOS documentation: vnode Struct Reference

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A file in memory (a vnode): what its inode says, and the kernel's own state. More...

#include <vfs.h>

Data Fields
ino_t	ino
size_t	size
dev_t	dev
dev_t	rdev
mode_t	mode
uid_t	uid
gid_t	gid
nlink_t	nlink
_time_t	atime
_time_t	mtime
_time_t	ctime
struct fs *	fs
void *	p
	the filesystem's own data
size_t	ref
	how many references there are to it
struct waitq *	read_queue
	where its readers and writers sleep
struct waitq *	write_queue
struct vm_object *	vm_object
	its vm object: its pages, read in (the page cache)
struct pipe *	fifo
	the pipe of a FIFO while it is open
struct vnode *	mounted
	for a directory that a filesystem is mounted on, that filesystem's root; for a mounted filesystem's root, the directory it's mounted on
struct vnode *	covered

Detailed Description

A file in memory (a vnode): what its inode says, and the kernel's own state.

Definition at line 113 of file vfs.h.

Field Documentation

◆ atime

_time_t vnode::atime

Definition at line 123 of file vfs.h.

Referenced by cpio_root_node(), devfs_init(), devpts_init(), ext2_inode_build(), ext2_inode_sync(), ext2_setattr(), procfs_init(), procfs_vget(), pseudofs_vmknod(), store(), tmpfs_mount(), vfs_stat(), and vfs_utimens().

◆ covered

struct vnode* vnode::covered

Definition at line 149 of file vfs.h.

Referenced by dotdot(), vfs_bind(), vfs_lookup_parent(), vfs_mount(), vfs_mount_root_of(), and vfs_vnode_path().

◆ ctime

_time_t vnode::ctime

Definition at line 125 of file vfs.h.

Referenced by cpio_root_node(), devfs_init(), devpts_init(), ext2_inode_build(), ext2_inode_sync(), ext2_setattr(), ext2_vlink(), ext2_vrename(), ext2_vunlink(), procfs_init(), procfs_vget(), pseudofs_vmknod(), store(), tmpfs_mount(), vfs_chmod(), vfs_chown(), vfs_stat(), and vfs_utimens().

◆ dev

dev_t vnode::dev

Definition at line 116 of file vfs.h.

Referenced by procfs_proc_maps(), and vfs_stat().

◆ fifo

struct pipe* vnode::fifo

the pipe of a FIFO while it is open

Definition at line 143 of file vfs.h.

Referenced by pipefs_close(), and pipefs_fifo_open().

◆ fs

struct fs* vnode::fs

Definition at line 127 of file vfs.h.

Referenced by cpio_new_node(), cpio_root_node(), devfs_init(), devpts_init(), ext2_inode_build(), load_ramdisk(), minix_inode_build(), pipefs_end(), procfs_init(), procfs_vget(), pseudofs_vmknod(), tmpfs_mount(), vfs_close(), vfs_finddir(), vfs_ioctl(), vfs_map(), vfs_read_io(), vfs_readdir(), vfs_setattr(), vfs_trunc(), vfs_vget(), vfs_vlink(), vfs_vmknod(), vfs_vrename(), vfs_vunlink(), and vfs_write_io().

◆ gid

gid_t vnode::gid

Definition at line 120 of file vfs.h.

Referenced by cpio_new_node(), cpio_root_node(), ext2_inode_build(), ext2_inode_sync(), ext2_setattr(), minix_inode_build(), minix_inode_sync(), pseudofs_vmknod(), store(), vfs_access(), vfs_chmod(), vfs_chown(), and vfs_stat().

◆ ino

◆ mode

mode_t vnode::mode

Definition at line 118 of file vfs.h.

Referenced by binfmt_load(), cpio_find(), cpio_finddir(), cpio_new_child_node(), cpio_new_node(), cpio_root_node(), creat_path(), cwd_set(), devfs_init(), devpts_init(), do_openat(), entry_remove(), exec_script(), ext2_dentry_create(), ext2_inode_build(), ext2_inode_sync(), ext2_readdir(), ext2_setattr(), ext2_vlink(), ext2_vrename(), ext2_vunlink(), ext2_write(), load_ramdisk(), minix_dentry_create(), minix_inode_build(), minix_inode_sync(), minix_readdir(), pipefs_end(), procfs_init(), procfs_vget(), pseudofs_finddir(), pseudofs_vmknod(), pseudofs_vrename(), pseudofs_vunlink(), ptm_new(), store(), sys_fchmod(), sys_mknod(), sys_mknodat(), tmpfs_mount(), vfs_access(), vfs_chmod(), vfs_chown(), vfs_creat(), vfs_finddir(), vfs_link(), vfs_mkdir(), vfs_mknod(), vfs_mount(), vfs_readdir(), vfs_readlink(), vfs_remove(), vfs_stat(), vfs_vlink(), vfs_vmknod(), vfs_vrename(), and walk().

◆ mounted

struct vnode* vnode::mounted

for a directory that a filesystem is mounted on, that filesystem's root; for a mounted filesystem's root, the directory it's mounted on

Definition at line 148 of file vfs.h.

Referenced by cross_down(), vfs_bind(), vfs_lookup_parent(), and vfs_mount().

◆ mtime

_time_t vnode::mtime

Definition at line 124 of file vfs.h.

Referenced by cpio_new_node(), cpio_root_node(), devfs_init(), devpts_init(), ext2_inode_build(), ext2_inode_sync(), ext2_setattr(), ext2_vrename(), ext2_vunlink(), minix_inode_build(), minix_inode_sync(), procfs_init(), procfs_vget(), pseudofs_vmknod(), store(), tmpfs_mount(), vfs_stat(), and vfs_utimens().

◆ nlink

nlink_t vnode::nlink

Definition at line 121 of file vfs.h.

Referenced by cpio_new_node(), cpio_root_node(), devfs_init(), devpts_init(), entry_remove(), ext2_close(), ext2_inode_build(), ext2_inode_sync(), ext2_vlink(), ext2_vmknod(), ext2_vrename(), ext2_vunlink(), minix_inode_build(), minix_inode_sync(), minix_vmknod(), pseudofs_vlink(), pseudofs_vmknod(), pseudofs_vrename(), tmpfs_close(), tmpfs_mount(), and vfs_stat().

◆ p

void* vnode::p

the filesystem's own data

Definition at line 130 of file vfs.h.

Referenced by cpio_find(), cpio_finddir(), cpio_new_child_node(), cpio_new_node(), cpio_read(), cpio_readdir(), cpio_root_node(), creat_path(), dentry_update(), entry_find(), entry_remove(), exec_script(), ext2_close(), ext2_dentry_create(), ext2_finddir(), ext2_inode_build(), ext2_inode_sync(), ext2_read(), ext2_readdir(), ext2_setattr(), ext2_trunc(), ext2_vget(), ext2_vlink(), ext2_vmknod(), ext2_vrename(), ext2_vunlink(), ext2_write(), minix_dentry_create(), minix_finddir(), minix_inode_build(), minix_inode_sync(), minix_read(), minix_readdir(), minix_trunc(), minix_vget(), minix_vmknod(), minix_write(), pipefs_can_read(), pipefs_can_write(), pipefs_close(), pipefs_end(), pipefs_read(), pipefs_write(), procfs_entry_read(), procfs_vget(), pseudofs_finddir(), pseudofs_readdir(), pseudofs_vlink(), pseudofs_vmknod(), pseudofs_vrename(), ptm_close(), ptm_new(), tmpfs_close(), tmpfs_mount(), tmpfs_read(), tmpfs_trunc(), tmpfs_write(), and walk().

◆ rdev

dev_t vnode::rdev

Definition at line 117 of file vfs.h.

Referenced by cpio_new_node(), ext2_inode_build(), load_ramdisk(), minix_inode_build(), pseudofs_vmknod(), ptm_new(), vfs_mount_root_dev(), and vfs_stat().

◆ read_queue

struct waitq* vnode::read_queue

where its readers and writers sleep

Definition at line 136 of file vfs.h.

Referenced by pipefs_end(), ptm_new(), pts_new(), and pty_free().

◆ ref

size_t vnode::ref

how many references there are to it

Definition at line 133 of file vfs.h.

Referenced by cpio_root_node(), creat_path(), ctty_open(), devfs_init(), dotdot(), entry_remove(), ext2_vunlink(), lookup_name(), pipefs_end(), pipefs_fifo_open(), proc_fork(), procfs_close(), procfs_init(), ptm_close(), ptm_new(), pts_new(), sched_init_spawn(), tmpfs_close(), tmpfs_mount(), uart_setup(), vfs_bind(), vfs_close(), vfs_creat(), vfs_lookup(), vfs_lookup_dir(), vfs_mkdir(), vfs_mknod(), vfs_parent(), vfs_vget(), vm_object_incref(), vref(), and walk().

◆ size

size_t vnode::size

◆ uid

uid_t vnode::uid

Definition at line 119 of file vfs.h.

Referenced by cpio_new_node(), cpio_root_node(), ext2_inode_build(), ext2_inode_sync(), ext2_setattr(), minix_inode_build(), minix_inode_sync(), pseudofs_vmknod(), store(), vfs_access(), vfs_chmod(), vfs_chown(), vfs_stat(), and vfs_utimens().

◆ vm_object

struct vm_object* vnode::vm_object

its vm object: its pages, read in (the page cache)

Definition at line 140 of file vfs.h.

Referenced by vm_object_vnode(), vnode_pages_free(), and vnode_pages_update().

◆ write_queue

struct waitq* vnode::write_queue

Definition at line 137 of file vfs.h.

Referenced by pipefs_end(), ptm_new(), pts_new(), and pty_free().

The documentation for this struct was generated from the following file:

kernel/include/fs/vfs.h

vnode
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