mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-27 04:54:41 +08:00
91fb9afc08
Create some helper functions to check that inode pointers point to somewhere within the filesystem and not at the static AG metadata. Move xfs_internal_inum and create a directory inode check function. We will use these functions in scrub and elsewhere. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
/*
|
|
* Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it would be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
#ifndef __XFS_ITABLE_H__
|
|
#define __XFS_ITABLE_H__
|
|
|
|
/*
|
|
* xfs_bulkstat() is used to fill in xfs_bstat structures as well as dm_stat
|
|
* structures (by the dmi library). This is a pointer to a formatter function
|
|
* that will iget the inode and fill in the appropriate structure.
|
|
* see xfs_bulkstat_one() and xfs_dm_bulkstat_one() in dmapi_xfs.c
|
|
*/
|
|
typedef int (*bulkstat_one_pf)(struct xfs_mount *mp,
|
|
xfs_ino_t ino,
|
|
void __user *buffer,
|
|
int ubsize,
|
|
int *ubused,
|
|
int *stat);
|
|
|
|
/*
|
|
* Values for stat return value.
|
|
*/
|
|
#define BULKSTAT_RV_NOTHING 0
|
|
#define BULKSTAT_RV_DIDONE 1
|
|
#define BULKSTAT_RV_GIVEUP 2
|
|
|
|
/*
|
|
* Return stat information in bulk (by-inode) for the filesystem.
|
|
*/
|
|
int /* error status */
|
|
xfs_bulkstat(
|
|
xfs_mount_t *mp, /* mount point for filesystem */
|
|
xfs_ino_t *lastino, /* last inode returned */
|
|
int *count, /* size of buffer/count returned */
|
|
bulkstat_one_pf formatter, /* func that'd fill a single buf */
|
|
size_t statstruct_size,/* sizeof struct that we're filling */
|
|
char __user *ubuffer,/* buffer with inode stats */
|
|
int *done); /* 1 if there are more stats to get */
|
|
|
|
typedef int (*bulkstat_one_fmt_pf)( /* used size in bytes or negative error */
|
|
void __user *ubuffer, /* buffer to write to */
|
|
int ubsize, /* remaining user buffer sz */
|
|
int *ubused, /* bytes used by formatter */
|
|
const xfs_bstat_t *buffer); /* buffer to read from */
|
|
|
|
int
|
|
xfs_bulkstat_one_int(
|
|
xfs_mount_t *mp,
|
|
xfs_ino_t ino,
|
|
void __user *buffer,
|
|
int ubsize,
|
|
bulkstat_one_fmt_pf formatter,
|
|
int *ubused,
|
|
int *stat);
|
|
|
|
int
|
|
xfs_bulkstat_one(
|
|
xfs_mount_t *mp,
|
|
xfs_ino_t ino,
|
|
void __user *buffer,
|
|
int ubsize,
|
|
int *ubused,
|
|
int *stat);
|
|
|
|
typedef int (*inumbers_fmt_pf)(
|
|
void __user *ubuffer, /* buffer to write to */
|
|
const xfs_inogrp_t *buffer, /* buffer to read from */
|
|
long count, /* # of elements to read */
|
|
long *written); /* # of bytes written */
|
|
|
|
int
|
|
xfs_inumbers_fmt(
|
|
void __user *ubuffer, /* buffer to write to */
|
|
const xfs_inogrp_t *buffer, /* buffer to read from */
|
|
long count, /* # of elements to read */
|
|
long *written); /* # of bytes written */
|
|
|
|
int /* error status */
|
|
xfs_inumbers(
|
|
xfs_mount_t *mp, /* mount point for filesystem */
|
|
xfs_ino_t *last, /* last inode returned */
|
|
int *count, /* size of buffer/count returned */
|
|
void __user *buffer, /* buffer with inode info */
|
|
inumbers_fmt_pf formatter);
|
|
|
|
#endif /* __XFS_ITABLE_H__ */
|