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From 8f8cbc7b773da63bce8226249784ba6824635c9c Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Wed, 7 Dec 2022 20:19:27 -0800
Subject: [PATCH v3 3/3] internal.h: Make LFS mandatory for all usecases
erosfs depend on the consistent use of a 64bit offset
type, force downstreams to use transparent LFS (_FILE_OFFSET_BITS=64),
so that it becomes impossible for them to use 32bit interfaces.
Upstream-Status: Submitted [https://lore.kernel.org/linux-erofs/20221215064758.93821-3-raj.khem@gmail.com/T/#u]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
include/erofs/internal.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/erofs/internal.h b/include/erofs/internal.h
index 6a70f11..d3b2986 100644
--- a/include/erofs/internal.h
+++ b/include/erofs/internal.h
@@ -21,6 +21,7 @@ typedef unsigned short umode_t;
#include "erofs_fs.h"
#include <fcntl.h>
+#include <sys/types.h> /* for off_t definition */
#ifndef PATH_MAX
#define PATH_MAX 4096 /* # chars in a path name including nul */
@@ -104,6 +105,10 @@ struct erofs_sb_info {
};
};
+
+/* make sure that any user of the erofs headers has atleast 64bit off_t type */
+extern int erofs_assert_largefile[sizeof(off_t)-8];
+
/* global sbi */
extern struct erofs_sb_info sbi;
--
2.39.0
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