From d65affb8a22bc259a9b55d38d15f6353d527fef4 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Tue, 10 Aug 2021 21:54:03 +0200
Subject: ext2fs: Fix getting filemap for forcing delayed copies
The delayed copy actually needs write access.
---
ext2fs/truncate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'ext2fs/truncate.c')
diff --git a/ext2fs/truncate.c b/ext2fs/truncate.c
index 265f7f2c..6d35fd20 100644
--- a/ext2fs/truncate.c
+++ b/ext2fs/truncate.c
@@ -240,7 +240,7 @@ force_delayed_copies (struct node *node, off_t length)
mach_port_t obj;
pager_change_attributes (pager, MAY_CACHE, MEMORY_OBJECT_COPY_NONE, 1);
- obj = diskfs_get_filemap (node, VM_PROT_READ);
+ obj = diskfs_get_filemap (node, VM_PROT_READ | VM_PROT_WRITE);
if (obj != MACH_PORT_NULL)
{
/* XXX should cope with errors from diskfs_get_filemap */
--
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