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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>
40 lines
1.8 KiB
C
40 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) International Business Machines Corp., 2000-2001
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*/
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#ifndef _H_JFS_INODE
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#define _H_JFS_INODE
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struct fid;
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extern struct inode *ialloc(struct inode *, umode_t);
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extern int jfs_fsync(struct file *, loff_t, loff_t, int);
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extern long jfs_ioctl(struct file *, unsigned int, unsigned long);
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extern long jfs_compat_ioctl(struct file *, unsigned int, unsigned long);
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extern struct inode *jfs_iget(struct super_block *, unsigned long);
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extern int jfs_commit_inode(struct inode *, int);
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extern int jfs_write_inode(struct inode *, struct writeback_control *);
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extern void jfs_evict_inode(struct inode *);
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extern void jfs_dirty_inode(struct inode *, int);
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extern void jfs_truncate(struct inode *);
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extern void jfs_truncate_nolock(struct inode *, loff_t);
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extern void jfs_free_zero_link(struct inode *);
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extern struct dentry *jfs_get_parent(struct dentry *dentry);
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extern struct dentry *jfs_fh_to_dentry(struct super_block *sb, struct fid *fid,
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int fh_len, int fh_type);
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extern struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
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int fh_len, int fh_type);
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extern void jfs_set_inode_flags(struct inode *);
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extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
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extern int jfs_setattr(struct user_namespace *, struct dentry *, struct iattr *);
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extern const struct address_space_operations jfs_aops;
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extern const struct inode_operations jfs_dir_inode_operations;
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extern const struct file_operations jfs_dir_operations;
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extern const struct inode_operations jfs_file_inode_operations;
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extern const struct file_operations jfs_file_operations;
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extern const struct inode_operations jfs_symlink_inode_operations;
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extern const struct inode_operations jfs_fast_symlink_inode_operations;
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extern const struct dentry_operations jfs_ci_dentry_operations;
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#endif /* _H_JFS_INODE */
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