| 1 | /* |
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| 2 | File: linux/xattr.h |
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| 3 | |
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| 4 | Extended attributes handling. |
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| 5 | |
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| 6 | Copyright (C) 2001 by Andreas Gruenbacher <a.gruenbacher@computer.org> |
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| 7 | Copyright (c) 2001-2002 Silicon Graphics, Inc. All Rights Reserved. |
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| 8 | Copyright (c) 2004 Red Hat, Inc., James Morris <jmorris@redhat.com> |
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| 9 | */ |
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| 10 | #ifndef _LINUX_XATTR_H |
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| 11 | #define _LINUX_XATTR_H |
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| 12 | |
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| 13 | #include <linux/types.h> |
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| 14 | |
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| 15 | #define XATTR_CREATE 0x1 /* set value, fail if attr already exists */ |
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| 16 | #define XATTR_REPLACE 0x2 /* set value, fail if attr does not exist */ |
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| 17 | |
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| 18 | #define XATTR_SECURITY_PREFIX "security." |
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| 19 | |
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| 20 | struct xattr_handler { |
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| 21 | char *prefix; |
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| 22 | size_t (*list)(struct inode *inode, char *list, size_t list_size, |
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| 23 | const char *name, size_t name_len); |
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| 24 | int (*get)(struct inode *inode, const char *name, void *buffer, |
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| 25 | size_t size); |
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| 26 | int (*set)(struct inode *inode, const char *name, const void *buffer, |
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| 27 | size_t size, int flags); |
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| 28 | }; |
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| 29 | |
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| 30 | ssize_t generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size); |
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| 31 | ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size); |
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| 32 | int generic_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); |
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| 33 | int generic_removexattr(struct dentry *dentry, const char *name); |
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| 34 | |
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| 35 | #endif /* _LINUX_XATTR_H */ |
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