53 lines
1.3 KiB
C
Executable File
53 lines
1.3 KiB
C
Executable File
/*
|
|
*
|
|
* Definitions for mount interface. This describes the in the kernel build
|
|
* linkedlist with mounted filesystems.
|
|
*
|
|
* Author: Marco van Wieringen <mvw@planets.elm.net>
|
|
*
|
|
* Version: $Id: //BBN_Linux/Branch/Branch_for_Rel_TP_ASEAN_20161216/tclinux_phoenix/bootrom/bootram/include/linux/mount.h#1 $
|
|
*
|
|
*/
|
|
#ifndef _LINUX_MOUNT_H
|
|
#define _LINUX_MOUNT_H
|
|
#ifdef __KERNEL__
|
|
|
|
#define MNT_NOSUID 1
|
|
#define MNT_NODEV 2
|
|
#define MNT_NOEXEC 4
|
|
|
|
struct vfsmount
|
|
{
|
|
struct list_head mnt_hash;
|
|
struct vfsmount *mnt_parent; /* fs we are mounted on */
|
|
struct dentry *mnt_mountpoint; /* dentry of mountpoint */
|
|
struct dentry *mnt_root; /* root of the mounted tree */
|
|
struct super_block *mnt_sb; /* pointer to superblock */
|
|
struct list_head mnt_mounts; /* list of children, anchored here */
|
|
struct list_head mnt_child; /* and going through their mnt_child */
|
|
atomic_t mnt_count;
|
|
int mnt_flags;
|
|
char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */
|
|
struct list_head mnt_list;
|
|
};
|
|
|
|
static inline struct vfsmount *mntget(struct vfsmount *mnt)
|
|
{
|
|
if (mnt)
|
|
atomic_inc(&mnt->mnt_count);
|
|
return mnt;
|
|
}
|
|
|
|
extern void __mntput(struct vfsmount *mnt);
|
|
|
|
static inline void mntput(struct vfsmount *mnt)
|
|
{
|
|
if (mnt) {
|
|
if (atomic_dec_and_test(&mnt->mnt_count))
|
|
__mntput(mnt);
|
|
}
|
|
}
|
|
|
|
#endif
|
|
#endif /* _LINUX_MOUNT_H */
|