10b61f8a4SDave Chinner // SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved. 41da177e4SLinus Torvalds */ 51da177e4SLinus Torvalds #ifndef __XFS_ITABLE_H__ 61da177e4SLinus Torvalds #define __XFS_ITABLE_H__ 71da177e4SLinus Torvalds 82810bd68SDarrick J. Wong /* In-memory representation of a userspace request for batch inode data. */ 92810bd68SDarrick J. Wong struct xfs_ibulk { 102810bd68SDarrick J. Wong struct xfs_mount *mp; 11*e67fe633SChristian Brauner struct mnt_idmap *idmap; 122810bd68SDarrick J. Wong void __user *ubuffer; /* user output buffer */ 132810bd68SDarrick J. Wong xfs_ino_t startino; /* start with this inode */ 142810bd68SDarrick J. Wong unsigned int icount; /* number of elements in ubuffer */ 152810bd68SDarrick J. Wong unsigned int ocount; /* number of records returned */ 1613d59a2aSDarrick J. Wong unsigned int flags; /* see XFS_IBULK_FLAG_* */ 172810bd68SDarrick J. Wong }; 182810bd68SDarrick J. Wong 1913d59a2aSDarrick J. Wong /* Only iterate within the same AG as startino */ 205b35d922SChandan Babu R #define XFS_IBULK_SAME_AG (1U << 0) 2113d59a2aSDarrick J. Wong 22c3c4ecb5SChandan Babu R /* Fill out the bs_extents64 field if set. */ 23c3c4ecb5SChandan Babu R #define XFS_IBULK_NREXT64 (1U << 1) 24c3c4ecb5SChandan Babu R 251da177e4SLinus Torvalds /* 262810bd68SDarrick J. Wong * Advance the user buffer pointer by one record of the given size. If the 272810bd68SDarrick J. Wong * buffer is now full, return the appropriate error code. 281da177e4SLinus Torvalds */ 292810bd68SDarrick J. Wong static inline int 302810bd68SDarrick J. Wong xfs_ibulk_advance( 312810bd68SDarrick J. Wong struct xfs_ibulk *breq, 322810bd68SDarrick J. Wong size_t bytes) 332810bd68SDarrick J. Wong { 342810bd68SDarrick J. Wong char __user *b = breq->ubuffer; 352810bd68SDarrick J. Wong 362810bd68SDarrick J. Wong breq->ubuffer = b + bytes; 372810bd68SDarrick J. Wong breq->ocount++; 38e7ee96dfSDarrick J. Wong return breq->ocount == breq->icount ? -ECANCELED : 0; 392810bd68SDarrick J. Wong } 401da177e4SLinus Torvalds 411da177e4SLinus Torvalds /* 421da177e4SLinus Torvalds * Return stat information in bulk (by-inode) for the filesystem. 431da177e4SLinus Torvalds */ 441da177e4SLinus Torvalds 45e7ee96dfSDarrick J. Wong /* 46e7ee96dfSDarrick J. Wong * Return codes for the formatter function are 0 to continue iterating, and 47e7ee96dfSDarrick J. Wong * non-zero to stop iterating. Any non-zero value will be passed up to the 48e7ee96dfSDarrick J. Wong * bulkstat/inumbers caller. The special value -ECANCELED can be used to stop 49e7ee96dfSDarrick J. Wong * iteration, as neither bulkstat nor inumbers will ever generate that error 50e7ee96dfSDarrick J. Wong * code on their own. 51e7ee96dfSDarrick J. Wong */ 52e7ee96dfSDarrick J. Wong 532810bd68SDarrick J. Wong typedef int (*bulkstat_one_fmt_pf)(struct xfs_ibulk *breq, 547035f972SDarrick J. Wong const struct xfs_bulkstat *bstat); 55faa63e95SMichal Marek 562810bd68SDarrick J. Wong int xfs_bulkstat_one(struct xfs_ibulk *breq, bulkstat_one_fmt_pf formatter); 572810bd68SDarrick J. Wong int xfs_bulkstat(struct xfs_ibulk *breq, bulkstat_one_fmt_pf formatter); 587035f972SDarrick J. Wong void xfs_bulkstat_to_bstat(struct xfs_mount *mp, struct xfs_bstat *bs1, 597035f972SDarrick J. Wong const struct xfs_bulkstat *bstat); 601da177e4SLinus Torvalds 61677717fbSDarrick J. Wong typedef int (*inumbers_fmt_pf)(struct xfs_ibulk *breq, 625f19c7fcSDarrick J. Wong const struct xfs_inumbers *igrp); 63faa63e95SMichal Marek 64677717fbSDarrick J. Wong int xfs_inumbers(struct xfs_ibulk *breq, inumbers_fmt_pf formatter); 655f19c7fcSDarrick J. Wong void xfs_inumbers_to_inogrp(struct xfs_inogrp *ig1, 665f19c7fcSDarrick J. Wong const struct xfs_inumbers *ig); 671da177e4SLinus Torvalds 681da177e4SLinus Torvalds #endif /* __XFS_ITABLE_H__ */ 69