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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /fs/ext2/xattr_user.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/ext2/xattr_user.c')
-rw-r--r--fs/ext2/xattr_user.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/fs/ext2/xattr_user.c b/fs/ext2/xattr_user.c
new file mode 100644
index 000000000..58092449f
--- /dev/null
+++ b/fs/ext2/xattr_user.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * linux/fs/ext2/xattr_user.c
+ * Handler for extended user attributes.
+ *
+ * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
+ */
+
+#include <linux/init.h>
+#include <linux/string.h>
+#include "ext2.h"
+#include "xattr.h"
+
+static bool
+ext2_xattr_user_list(struct dentry *dentry)
+{
+ return test_opt(dentry->d_sb, XATTR_USER);
+}
+
+static int
+ext2_xattr_user_get(const struct xattr_handler *handler,
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
+{
+ if (!test_opt(inode->i_sb, XATTR_USER))
+ return -EOPNOTSUPP;
+ return ext2_xattr_get(inode, EXT2_XATTR_INDEX_USER,
+ name, buffer, size);
+}
+
+static int
+ext2_xattr_user_set(const struct xattr_handler *handler,
+ struct user_namespace *mnt_userns,
+ struct dentry *unused, struct inode *inode,
+ const char *name, const void *value,
+ size_t size, int flags)
+{
+ if (!test_opt(inode->i_sb, XATTR_USER))
+ return -EOPNOTSUPP;
+
+ return ext2_xattr_set(inode, EXT2_XATTR_INDEX_USER,
+ name, value, size, flags);
+}
+
+const struct xattr_handler ext2_xattr_user_handler = {
+ .prefix = XATTR_USER_PREFIX,
+ .list = ext2_xattr_user_list,
+ .get = ext2_xattr_user_get,
+ .set = ext2_xattr_user_set,
+};