52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
|
|
*/
|
|
#ifndef __XFS_ITABLE_H__
|
|
#define __XFS_ITABLE_H__
|
|
|
|
/* In-memory representation of a userspace request for batch inode data. */
|
|
struct xfs_ibulk {
|
|
struct xfs_mount *mp;
|
|
void __user *ubuffer; /* user output buffer */
|
|
xfs_ino_t startino; /* start with this inode */
|
|
unsigned int icount; /* number of elements in ubuffer */
|
|
unsigned int ocount; /* number of records returned */
|
|
};
|
|
|
|
/* Return value that means we want to abort the walk. */
|
|
#define XFS_IBULK_ABORT (XFS_IWALK_ABORT)
|
|
|
|
/*
|
|
* Advance the user buffer pointer by one record of the given size. If the
|
|
* buffer is now full, return the appropriate error code.
|
|
*/
|
|
static inline int
|
|
xfs_ibulk_advance(
|
|
struct xfs_ibulk *breq,
|
|
size_t bytes)
|
|
{
|
|
char __user *b = breq->ubuffer;
|
|
|
|
breq->ubuffer = b + bytes;
|
|
breq->ocount++;
|
|
return breq->ocount == breq->icount ? XFS_IBULK_ABORT : 0;
|
|
}
|
|
|
|
/*
|
|
* Return stat information in bulk (by-inode) for the filesystem.
|
|
*/
|
|
|
|
typedef int (*bulkstat_one_fmt_pf)(struct xfs_ibulk *breq,
|
|
const struct xfs_bstat *bstat);
|
|
|
|
int xfs_bulkstat_one(struct xfs_ibulk *breq, bulkstat_one_fmt_pf formatter);
|
|
int xfs_bulkstat(struct xfs_ibulk *breq, bulkstat_one_fmt_pf formatter);
|
|
|
|
typedef int (*inumbers_fmt_pf)(struct xfs_ibulk *breq,
|
|
const struct xfs_inogrp *igrp);
|
|
|
|
int xfs_inumbers(struct xfs_ibulk *breq, inumbers_fmt_pf formatter);
|
|
|
|
#endif /* __XFS_ITABLE_H__ */
|