1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved. 4 */ 5 #ifndef __XFS_ITABLE_H__ 6 #define __XFS_ITABLE_H__ 7 8 /* In-memory representation of a userspace request for batch inode data. */ 9 struct xfs_ibulk { 10 struct xfs_mount *mp; 11 void __user *ubuffer; /* user output buffer */ 12 xfs_ino_t startino; /* start with this inode */ 13 unsigned int icount; /* number of elements in ubuffer */ 14 unsigned int ocount; /* number of records returned */ 15 unsigned int flags; /* see XFS_IBULK_FLAG_* */ 16 }; 17 18 /* Only iterate within the same AG as startino */ 19 #define XFS_IBULK_SAME_AG (XFS_IWALK_SAME_AG) 20 21 /* Return value that means we want to abort the walk. */ 22 #define XFS_IBULK_ABORT (XFS_IWALK_ABORT) 23 24 /* 25 * Advance the user buffer pointer by one record of the given size. If the 26 * buffer is now full, return the appropriate error code. 27 */ 28 static inline int 29 xfs_ibulk_advance( 30 struct xfs_ibulk *breq, 31 size_t bytes) 32 { 33 char __user *b = breq->ubuffer; 34 35 breq->ubuffer = b + bytes; 36 breq->ocount++; 37 return breq->ocount == breq->icount ? XFS_IBULK_ABORT : 0; 38 } 39 40 /* 41 * Return stat information in bulk (by-inode) for the filesystem. 42 */ 43 44 typedef int (*bulkstat_one_fmt_pf)(struct xfs_ibulk *breq, 45 const struct xfs_bulkstat *bstat); 46 47 int xfs_bulkstat_one(struct xfs_ibulk *breq, bulkstat_one_fmt_pf formatter); 48 int xfs_bulkstat(struct xfs_ibulk *breq, bulkstat_one_fmt_pf formatter); 49 void xfs_bulkstat_to_bstat(struct xfs_mount *mp, struct xfs_bstat *bs1, 50 const struct xfs_bulkstat *bstat); 51 52 typedef int (*inumbers_fmt_pf)(struct xfs_ibulk *breq, 53 const struct xfs_inumbers *igrp); 54 55 int xfs_inumbers(struct xfs_ibulk *breq, inumbers_fmt_pf formatter); 56 void xfs_inumbers_to_inogrp(struct xfs_inogrp *ig1, 57 const struct xfs_inumbers *ig); 58 59 #endif /* __XFS_ITABLE_H__ */ 60