minix/servers/vfs/vmnt.h
Thomas Veerman d9f4f71916 Implement dynamic mtab support
With this patch /etc/mtab becomes obsolete.
2012-11-26 15:20:18 +00:00

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C

#ifndef __VFS_VMNT_H__
#define __VFS_VMNT_H__
#include "tll.h"
#include "comm.h"
EXTERN struct vmnt {
int m_fs_e; /* FS process' kernel endpoint */
tll_t m_lock;
comm_t m_comm;
dev_t m_dev; /* device number */
unsigned int m_flags; /* mount flags */
struct vnode *m_mounted_on; /* vnode on which the partition is mounted */
struct vnode *m_root_node; /* root vnode */
char m_label[LABEL_MAX]; /* label of the file system process */
char m_mount_path[PATH_MAX]; /* path on which vmnt is mounted */
char m_mount_dev[PATH_MAX]; /* path on which vmnt is mounted */
} vmnt[NR_MNTS];
/* vmnt flags */
#define VMNT_READONLY 01 /* Device mounted readonly */
#define VMNT_CALLBACK 02 /* FS did back call */
#define VMNT_MOUNTING 04 /* Device is being mounted */
#define VMNT_FORCEROOTBSF 010 /* Force usage of none-device */
/* vmnt lock types mapping */
#define VMNT_READ TLL_READ
#define VMNT_WRITE TLL_READSER
#define VMNT_EXCL TLL_WRITE
#endif