233f4e12bb
This patch adds a pair of new file ioctls to retrieve the parent pointer of a given inode. They both return the same results, but one operates on the file descriptor passed to ioctl() whereas the other allows the caller to specify a file handle for which the caller wants results. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2000-2005 Silicon Graphics, Inc.
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* Copyright (c) 2022-2024 Oracle.
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* All rights reserved.
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*/
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#ifndef __XFS_HANDLE_H__
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#define __XFS_HANDLE_H__
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int xfs_attrlist_by_handle(struct file *parfilp,
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struct xfs_fsop_attrlist_handlereq __user *p);
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int xfs_attrmulti_by_handle(struct file *parfilp, void __user *arg);
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int xfs_find_handle(unsigned int cmd, struct xfs_fsop_handlereq *hreq);
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int xfs_open_by_handle(struct file *parfilp, struct xfs_fsop_handlereq *hreq);
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int xfs_readlink_by_handle(struct file *parfilp,
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struct xfs_fsop_handlereq *hreq);
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int xfs_ioc_attrmulti_one(struct file *parfilp, struct inode *inode,
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uint32_t opcode, void __user *uname, void __user *value,
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uint32_t *len, uint32_t flags);
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int xfs_ioc_attr_list(struct xfs_inode *dp, void __user *ubuf,
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size_t bufsize, int flags,
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struct xfs_attrlist_cursor __user *ucursor);
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struct dentry *xfs_handle_to_dentry(struct file *parfilp, void __user *uhandle,
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u32 hlen);
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int xfs_ioc_getparents(struct file *file, struct xfs_getparents __user *arg);
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int xfs_ioc_getparents_by_handle(struct file *file,
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struct xfs_getparents_by_handle __user *arg);
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#endif /* __XFS_HANDLE_H__ */
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