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b296821a7c
... and do not assume they are already attached to each other Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
48 lines
1.2 KiB
C
48 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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#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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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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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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static int
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ext4_xattr_user_set(const struct xattr_handler *handler,
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struct dentry *dentry, const char *name,
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const void *value, size_t size, int flags)
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{
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if (!test_opt(dentry->d_sb, XATTR_USER))
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return -EOPNOTSUPP;
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return ext4_xattr_set(d_inode(dentry), EXT4_XATTR_INDEX_USER,
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name, value, size, flags);
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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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