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-rw-r--r--fs/squashfs/xattr.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/fs/squashfs/xattr.h b/fs/squashfs/xattr.h
new file mode 100644
index 0000000000..f1a463d8bf
--- /dev/null
+++ b/fs/squashfs/xattr.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Squashfs - a compressed read only filesystem for Linux
+ *
+ * Copyright (c) 2010
+ * Phillip Lougher <phillip@squashfs.org.uk>
+ *
+ * xattr.h
+ */
+
+#ifdef CONFIG_SQUASHFS_XATTR
+extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
+ u64 *, unsigned int *);
+extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
+ unsigned int *, unsigned long long *);
+#else
+static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
+ u64 start, u64 *xattr_table_start, unsigned int *xattr_ids)
+{
+ struct squashfs_xattr_id_table *id_table;
+
+ id_table = squashfs_read_table(sb, start, sizeof(*id_table));
+ if (IS_ERR(id_table))
+ return (__le64 *) id_table;
+
+ *xattr_table_start = le64_to_cpu(id_table->xattr_table_start);
+ kfree(id_table);
+
+ ERROR("Xattrs in filesystem, these will be ignored\n");
+ return ERR_PTR(-ENOTSUPP);
+}
+
+static inline int squashfs_xattr_lookup(struct super_block *sb,
+ unsigned int index, int *count, unsigned int *size,
+ unsigned long long *xattr)
+{
+ return 0;
+}
+#define squashfs_listxattr NULL
+#define squashfs_xattr_handlers NULL
+#endif