ramfs.c File Reference

#include <kernel/fs/ramfs.h>
#include <kernel/fs/dentry.h>
#include <kernel/fs/file.h>
#include <kernel/fs/filesystem.h>
#include <kernel/fs/inode.h>
#include <kernel/fs/mount.h>
#include <kernel/fs/namespace.h>
#include <kernel/fs/path.h>
#include <kernel/fs/sysfs.h>
#include <kernel/fs/vfs.h>
#include <kernel/init/boot_info.h>
#include <kernel/log/log.h>
#include <kernel/log/panic.h>
#include <kernel/sched/sched.h>
#include <kernel/sync/lock.h>
#include <kernel/sync/mutex.h>
#include <kernel/utils/ref.h>
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/io.h>
#include <sys/list.h>
#include <sys/math.h>

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Functions
static inode_t *	ramfs_inode_new (superblock_t *superblock, inode_type_t type, void *buffer, uint64_t size)
static void	ramfs_dentry_add (dentry_t *dentry)
static void	ramfs_dentry_remove (dentry_t *dentry)
static uint64_t	ramfs_read (file_t *file, void *buffer, uint64_t count, uint64_t *offset)
static uint64_t	ramfs_write (file_t *file, const void *buffer, uint64_t count, uint64_t *offset)
static uint64_t	ramfs_create (inode_t *dir, dentry_t *target, mode_t mode)
static void	ramfs_truncate (inode_t *inode)
static uint64_t	ramfs_link (inode_t *dir, dentry_t *old, dentry_t *target)
static uint64_t	ramfs_remove (inode_t *dir, dentry_t *target, mode_t mode)
static void	ramfs_inode_cleanup (inode_t *inode)
static void	ramfs_superblock_cleanup (superblock_t *superblock)
static dentry_t *	ramfs_load_file (superblock_t *superblock, dentry_t *parent, const char *name, const boot_file_t *in)
static dentry_t *	ramfs_load_dir (superblock_t *superblock, dentry_t *parent, const char *name, const boot_dir_t *in)
static dentry_t *	ramfs_mount (filesystem_t *fs, const char *devName, void *private)
void	ramfs_init (void)
	Registers the ramfs filesystem and mounts it as the root filesystem.

Variables
static mount_t *	mount = NULL
static file_ops_t	fileOps
static inode_ops_t	inodeOps
static dentry_ops_t	dentryOps
static superblock_ops_t	superOps
static filesystem_t	ramfs

Function Documentation

ramfs_inode_new()

static inode_t * ramfs_inode_new ( superblock_t *  superblock, inode_type_t  type, void *  buffer, uint64_t  size  )

static

Definition at line 292 of file ramfs.c.

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ramfs_dentry_add()

static void ramfs_dentry_add ( dentry_t *  dentry )

static

Definition at line 32 of file ramfs.c.

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ramfs_dentry_remove()

static void ramfs_dentry_remove ( dentry_t *  dentry )

static

Definition at line 42 of file ramfs.c.

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ramfs_read()

static uint64_t ramfs_read ( file_t *  file, void *  buffer, uint64_t  count, uint64_t *  offset  )

static

Definition at line 52 of file ramfs.c.

ramfs_write()

static uint64_t ramfs_write ( file_t *  file, const void *  buffer, uint64_t  count, uint64_t *  offset  )

static

Definition at line 64 of file ramfs.c.

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ramfs_create()

static uint64_t ramfs_create ( inode_t *  dir, dentry_t *  target, mode_t  mode  )

static

Definition at line 90 of file ramfs.c.

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ramfs_truncate()

static void ramfs_truncate ( inode_t *  inode )

static

Definition at line 107 of file ramfs.c.

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ramfs_link()

static uint64_t ramfs_link ( inode_t *  dir, dentry_t *  old, dentry_t *  target  )

static

Definition at line 119 of file ramfs.c.

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ramfs_remove()

static uint64_t ramfs_remove ( inode_t *  dir, dentry_t *  target, mode_t  mode  )

static

Definition at line 129 of file ramfs.c.

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ramfs_inode_cleanup()

static void ramfs_inode_cleanup ( inode_t *  inode )

static

Definition at line 163 of file ramfs.c.

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ramfs_superblock_cleanup()

static void ramfs_superblock_cleanup ( superblock_t *  superblock )

static

Definition at line 185 of file ramfs.c.

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ramfs_load_file()

static dentry_t * ramfs_load_file ( superblock_t *  superblock, dentry_t *  parent, const char *  name, const boot_file_t *  in  )

static

Definition at line 196 of file ramfs.c.

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ramfs_load_dir()

static dentry_t * ramfs_load_dir ( superblock_t *  superblock, dentry_t *  parent, const char *  name, const boot_dir_t *  in  )

static

Definition at line 219 of file ramfs.c.

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ramfs_mount()

static dentry_t * ramfs_mount ( filesystem_t *  fs, const char *  devName, void *  private  )

static

Definition at line 256 of file ramfs.c.

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Variable Documentation

mount

mount_t* mount = NULL

static

Definition at line 28 of file ramfs.c.

fileOps

file_ops_t fileOps

static

Initial value:

= {
    .read = ramfs_read,
    .write = ramfs_write,
    .seek = file_generic_seek,
}

Definition at line 84 of file ramfs.c.

inodeOps

inode_ops_t inodeOps

static

Initial value:

= {
    .create = ramfs_create,
    .truncate = ramfs_truncate,
    .link = ramfs_link,
    .remove = ramfs_remove,
    .cleanup = ramfs_inode_cleanup,
}

Definition at line 173 of file ramfs.c.

dentryOps

dentry_ops_t dentryOps

static

Initial value:

= {
    .getdents = dentry_generic_getdents,
}

Definition at line 181 of file ramfs.c.

superOps

superblock_ops_t superOps

static

Initial value:

= {
    .cleanup = ramfs_superblock_cleanup,
}

Definition at line 192 of file ramfs.c.

ramfs

filesystem_t ramfs

static

Initial value:

= {
    .name = RAMFS_NAME,
    .mount = ramfs_mount,
}

Definition at line 322 of file ramfs.c.