| 1 | |
| 2 | |
| 3 | * linux/fs/ext2/xattr_user.c
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| 4 | * Handler for extended user attributes.
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| 5 | *
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| 6 | * Copyright (C) 2001 by Andreas Gruenbacher, <[email protected]>
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| 7 |
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| 8 |
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| 9 | #include <linux/init.h>
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| 10 | #include <linux/string.h>
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| 11 | #include "ext2.h"
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| 12 | #include "xattr.h"
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| 13 |
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| 14 | static bool
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| 15 | ext2_xattr_user_list(struct dentry *dentry)
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| 16 | {
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| 17 | return test_opt(dentry->d_sb, XATTR_USER);
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| 18 | }
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| 19 |
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| 20 | static int
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| 21 | ext2_xattr_user_get(const struct xattr_handler *handler,
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| 22 | struct dentry *unused, struct inode *inode,
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| 23 | const char *name, void *buffer, size_t size)
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| 24 | {
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| 25 | if (!test_opt(inode->i_sb, XATTR_USER))
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| 26 | return -EOPNOTSUPP;
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| 27 | return ext2_xattr_get(inode, EXT2_XATTR_INDEX_USER,
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| 28 | name, buffer, size);
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| 29 | }
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| 30 |
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| 31 | static int
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| 32 | ext2_xattr_user_set(const struct xattr_handler *handler,
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| 33 | const struct mnt_idmap *idmap,
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| 34 | struct dentry *unused, struct inode *inode,
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| 35 | const char *name, const void *value,
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| 36 | size_t size, int flags)
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| 37 | {
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| 38 | if (!test_opt(inode->i_sb, XATTR_USER))
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| 39 | return -EOPNOTSUPP;
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| 40 |
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| 41 | return ext2_xattr_set(inode, EXT2_XATTR_INDEX_USER,
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| 42 | name, value, size, flags);
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| 43 | }
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| 44 |
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| 45 | const struct xattr_handler ext2_xattr_user_handler = {
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| 46 | .prefix = XATTR_USER_PREFIX,
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| 47 | .list = ext2_xattr_user_list,
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| 48 | .get = ext2_xattr_user_get,
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| 49 | .set = ext2_xattr_user_set,
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| 50 | };
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