mount.c File Reference

#include "mos/filesystem/mount.h"
#include "mos/filesystem/dentry.h"
#include "mos/filesystem/vfs.h"
#include "mos/misc/setup.h"
#include <mos/lib/structures/hashmap_common.h>
#include <mos_stdlib.h>

Include dependency graph for mount.c:

Go to the source code of this file.

Macros
#define	VFS_MOUNTPOINT_MAP_SIZE   256

Functions
static void	mountpoint_map_init (void)
	MOS_INIT (PRE_VFS, mountpoint_map_init)
dentry_t *	dentry_root_get_mountpoint (dentry_t *dentry)
	Given a mounted root dentry, return the mountpoint dentry that points to it.
mount_t *	dentry_get_mount (const dentry_t *dentry)
bool	dentry_mount (dentry_t *mountpoint, dentry_t *root, filesystem_t *fs)
	Mount a filesystem at a mountpoint.
dentry_t *	dentry_unmount (dentry_t *root)
	Unmount a filesystem at the mountpoint.

Variables
static hashmap_t	vfs_mountpoint_map = { 0 }
list_head	vfs_mountpoint_list = LIST_HEAD_INIT(vfs_mountpoint_list)

Macro Definition Documentation

VFS_MOUNTPOINT_MAP_SIZE

#define VFS_MOUNTPOINT_MAP_SIZE   256

Definition at line 12 of file mount.c.

Referenced by mountpoint_map_init().

Function Documentation

mountpoint_map_init()

static void mountpoint_map_init ( void )

static

Definition at line 15 of file mount.c.

Here is the call graph for this function:

MOS_INIT()

MOS_INIT	(	PRE_VFS	,
		mountpoint_map_init	)

dentry_root_get_mountpoint()

dentry_t * dentry_root_get_mountpoint

(

dentry_t *

dentry

)

Given a mounted root dentry, return the mountpoint dentry that points to it.

Parameters

dentry

The mounted root dentry

Returns

dentry_t* The mountpoint dentry

Definition at line 28 of file mount.c.

Referenced by dentry_path(), dentry_ref_up_to(), dentry_resolve_lastseg(), dentry_resolve_to_parent(), dentry_unmount(), and dentry_unref_one_norelease().

Here is the call graph for this function:

dentry_get_mount()

mount_t * dentry_get_mount

(

const dentry_t *

dentry

)

Definition at line 56 of file mount.c.

Referenced by dentry_dump_refstat(), dentry_resolve_lastseg(), dentry_resolve_to_parent(), dentry_root_get_mountpoint(), and dentry_unmount().

Here is the call graph for this function:

Variable Documentation

vfs_mountpoint_map

hashmap_t vfs_mountpoint_map = { 0 }

static

Definition at line 13 of file mount.c.

Referenced by dentry_get_mount(), dentry_mount(), dentry_unmount(), and mountpoint_map_init().

vfs_mountpoint_list

list_head vfs_mountpoint_list = LIST_HEAD_INIT(vfs_mountpoint_list)

Definition at line 20 of file mount.c.

Referenced by dentry_mount(), and vfs_sysfs_mountpoints().