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549c729771
Extend some inode methods with an additional user namespace argument. A filesystem that is aware of idmapped mounts will receive the user namespace the mount has been marked with. This can be used for additional permission checking and also to enable filesystems to translate between uids and gids if they need to. We have implemented all relevant helpers in earlier patches. As requested we simply extend the exisiting inode method instead of introducing new ones. This is a little more code churn but it's mostly mechanical and doesnt't leave us with additional inode methods. Link: https://lore.kernel.org/r/20210121131959.646623-25-christian.brauner@ubuntu.com Cc: Christoph Hellwig <hch@lst.de> Cc: David Howells <dhowells@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: linux-fsdevel@vger.kernel.org Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
30 lines
819 B
C
30 lines
819 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* -*- mode: c; c-basic-offset: 8; -*-
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* vim: noexpandtab sw=8 ts=8 sts=0:
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*
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* acl.h
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*
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* Copyright (C) 2004, 2008 Oracle. All rights reserved.
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*/
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#ifndef OCFS2_ACL_H
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#define OCFS2_ACL_H
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#include <linux/posix_acl_xattr.h>
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struct ocfs2_acl_entry {
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__le16 e_tag;
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__le16 e_perm;
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__le32 e_id;
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};
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struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type);
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int ocfs2_iop_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
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struct posix_acl *acl, int type);
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extern int ocfs2_acl_chmod(struct inode *, struct buffer_head *);
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extern int ocfs2_init_acl(handle_t *, struct inode *, struct inode *,
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struct buffer_head *, struct buffer_head *,
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struct ocfs2_alloc_context *,
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struct ocfs2_alloc_context *);
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#endif /* OCFS2_ACL_H */
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