minix/servers/vfs/vmnt.h

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#ifndef __VFS_VMNT_H__
#define __VFS_VMNT_H__
#include "tll.h"
#include "type.h"
EXTERN struct vmnt {
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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 */
unsigned int m_fs_flags; /* capability flags returned by FS */
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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]; /* device from which vmnt is mounted */
char m_fstype[FSTYPE_MAX]; /* file system type */
struct statvfs_cache m_stats; /* cached file system statistics */
} vmnt[NR_MNTS];
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/* 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 */
#define VMNT_CANSTAT 020 /* Include FS in getvfsstat output */
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/* vmnt lock types mapping */
#define VMNT_READ TLL_READ
#define VMNT_WRITE TLL_READSER
#define VMNT_EXCL TLL_WRITE
#endif