cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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xfs_iwalk.h (1840B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * Copyright (C) 2019 Oracle.  All Rights Reserved.
      4 * Author: Darrick J. Wong <darrick.wong@oracle.com>
      5 */
      6#ifndef __XFS_IWALK_H__
      7#define __XFS_IWALK_H__
      8
      9/*
     10 * Return codes for the inode/inobt walk function are 0 to continue iterating,
     11 * and non-zero to stop iterating.  Any non-zero value will be passed up to the
     12 * iwalk or inobt_walk caller.  The special value -ECANCELED can be used to
     13 * stop iteration, as neither iwalk nor inobt_walk will ever generate that
     14 * error code on their own.
     15 */
     16
     17/* Walk all inodes in the filesystem starting from @startino. */
     18typedef int (*xfs_iwalk_fn)(struct xfs_mount *mp, struct xfs_trans *tp,
     19			    xfs_ino_t ino, void *data);
     20
     21int xfs_iwalk(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t startino,
     22		unsigned int flags, xfs_iwalk_fn iwalk_fn,
     23		unsigned int inode_records, void *data);
     24int xfs_iwalk_threaded(struct xfs_mount *mp, xfs_ino_t startino,
     25		unsigned int flags, xfs_iwalk_fn iwalk_fn,
     26		unsigned int inode_records, bool poll, void *data);
     27
     28/* Only iterate inodes within the same AG as @startino. */
     29#define XFS_IWALK_SAME_AG	(1U << 0)
     30
     31#define XFS_IWALK_FLAGS_ALL	(XFS_IWALK_SAME_AG)
     32
     33/* Walk all inode btree records in the filesystem starting from @startino. */
     34typedef int (*xfs_inobt_walk_fn)(struct xfs_mount *mp, struct xfs_trans *tp,
     35				 xfs_agnumber_t agno,
     36				 const struct xfs_inobt_rec_incore *irec,
     37				 void *data);
     38
     39int xfs_inobt_walk(struct xfs_mount *mp, struct xfs_trans *tp,
     40		xfs_ino_t startino, unsigned int flags,
     41		xfs_inobt_walk_fn inobt_walk_fn, unsigned int inobt_records,
     42		void *data);
     43
     44/* Only iterate inobt records within the same AG as @startino. */
     45#define XFS_INOBT_WALK_SAME_AG	(XFS_IWALK_SAME_AG)
     46
     47#define XFS_INOBT_WALK_FLAGS_ALL (XFS_INOBT_WALK_SAME_AG)
     48
     49#endif /* __XFS_IWALK_H__ */