preparation for similar switch in ->setxattr() (see the next commit for rationale). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
		
			
				
	
	
		
			49 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * linux/fs/ext4/xattr_user.c
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|  * Handler for extended user attributes.
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|  *
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|  * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
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|  */
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| 
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| #include <linux/string.h>
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| #include <linux/fs.h>
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| #include "ext4_jbd2.h"
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| #include "ext4.h"
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| #include "xattr.h"
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| 
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| static bool
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| ext4_xattr_user_list(struct dentry *dentry)
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| {
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| 	return test_opt(dentry->d_sb, XATTR_USER);
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| }
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| 
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| static int
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| ext4_xattr_user_get(const struct xattr_handler *handler,
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| 		    struct dentry *unused, struct inode *inode,
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| 		    const char *name, void *buffer, size_t size)
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| {
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| 	if (!test_opt(inode->i_sb, XATTR_USER))
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| 		return -EOPNOTSUPP;
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| 	return ext4_xattr_get(inode, EXT4_XATTR_INDEX_USER,
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| 			      name, buffer, size);
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| }
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| 
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| static int
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| ext4_xattr_user_set(const struct xattr_handler *handler,
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| 		    struct dentry *unused, struct inode *inode,
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| 		    const char *name, const void *value,
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| 		    size_t size, int flags)
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| {
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| 	if (!test_opt(inode->i_sb, XATTR_USER))
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| 		return -EOPNOTSUPP;
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| 	return ext4_xattr_set(inode, EXT4_XATTR_INDEX_USER,
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| 			      name, value, size, flags);
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| }
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| 
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| const struct xattr_handler ext4_xattr_user_handler = {
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| 	.prefix	= XATTR_USER_PREFIX,
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| 	.list	= ext4_xattr_user_list,
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| 	.get	= ext4_xattr_user_get,
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| 	.set	= ext4_xattr_user_set,
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| };
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