/* * * Definitions for mount interface. This describes the in the kernel build * linkedlist with mounted filesystems. * * Author: Marco van Wieringen * * Version: $Id: mount.h,v 2.0 1996/11/17 16:48:14 mvw Exp mvw $ * */ #ifndef _LINUX_MOUNT_H #define _LINUX_MOUNT_H #define DQUOT_USR_ENABLED 0x01 /* User diskquotas enabled */ #define DQUOT_GRP_ENABLED 0x02 /* Group diskquotas enabled */ struct quota_mount_options { unsigned int flags; /* Flags for diskquotas on this device */ struct semaphore dqio_sem; /* lock device while I/O in progress */ struct semaphore dqoff_sem; /* serialize quota_off() and quota_on() on device */ struct file *files[MAXQUOTAS]; /* fp's to quotafiles */ time_t inode_expire[MAXQUOTAS]; /* expiretime for inode-quota */ time_t block_expire[MAXQUOTAS]; /* expiretime for block-quota */ char rsquash[MAXQUOTAS]; /* for quotas treat root as any other user */ }; struct vfsmount { kdev_t mnt_dev; /* Device this applies to */ char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */ char *mnt_dirname; /* Name of directory mounted on */ unsigned int mnt_flags; /* Flags of this device */ struct super_block *mnt_sb; /* pointer to superblock */ struct quota_mount_options mnt_dquot; /* Diskquota specific mount options */ struct vfsmount *mnt_next; /* pointer to next in linkedlist */ }; struct vfsmount *lookup_vfsmnt(kdev_t dev); /* * Umount options */ #define MNT_FORCE 0x00000001 /* Attempt to forcibily umount */ #endif /* _LINUX_MOUNT_H */