Superblock structure. More...

#include <superblock.h>

Data Fields
ref_t	ref

list_entry_t	entry

superblock_id_t	id

uint64_t	blockSize

uint64_t	maxFileSize

void *	private

dentry_t *	root

const superblock_ops_t *	ops

const dentry_ops_t *	dentryOps

const filesystem_t *	fs

char	deviceName [MAX_NAME]

atomic_uint64_t	mountCount

Detailed Description

Superblock structure.

Superblocks are owned by the VFS, not the filesystem.

Definition at line 43 of file superblock.h.

Field Documentation

◆ blockSize

uint64_t superblock_t::blockSize

Definition at line 48 of file superblock.h.

Referenced by ramfs_mount(), and superblock_new().

◆ dentryOps

const dentry_ops_t* superblock_t::dentryOps

Definition at line 53 of file superblock.h.

Referenced by dentry_new(), and superblock_new().

◆ deviceName

char superblock_t::deviceName[MAX_NAME]

Definition at line 55 of file superblock.h.

Referenced by superblock_new().

◆ entry

list_entry_t superblock_t::entry

Definition at line 46 of file superblock.h.

Referenced by superblock_new(), and vfs_remove_superblock().

◆ fs

const filesystem_t* superblock_t::fs

Definition at line 54 of file superblock.h.

Referenced by superblock_new(), sysfs_dir_new(), sysfs_file_new(), sysfs_mount_new(), and vfs_unregister_fs().

◆ id

superblock_id_t superblock_t::id

Definition at line 47 of file superblock.h.

Referenced by superblock_new(), vfs_add_inode(), vfs_get_inode(), vfs_link(), and vfs_remove_inode().

◆ maxFileSize

uint64_t superblock_t::maxFileSize

Definition at line 49 of file superblock.h.

Referenced by ramfs_mount(), and superblock_new().

◆ mountCount

atomic_uint64_t superblock_t::mountCount

The number of mounts of this superblock.

Note that this does need to be separate from the reference count as a superblock is referenced by mounts, but it can also be referenced by other things like open files.

Definition at line 62 of file superblock.h.

Referenced by superblock_dec_mount_count(), superblock_free(), superblock_inc_mount_count(), and superblock_new().

◆ ops

const superblock_ops_t* superblock_t::ops

Definition at line 52 of file superblock.h.

Referenced by inode_free(), inode_new(), superblock_dec_mount_count(), superblock_free(), and superblock_new().

◆ private

void* superblock_t::private

Definition at line 50 of file superblock.h.

Referenced by ramfs_dentry_deinit(), ramfs_load_dir(), ramfs_mount(), socket_new(), socket_unmount(), and superblock_new().

◆ ref

ref_t superblock_t::ref

Definition at line 45 of file superblock.h.