From 423ecd487873ae12c040512ac56686b4f6b8dee9 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Tue, 4 Feb 2025 19:20:15 +0100
Subject: libdiskfs: Check for EROFS on io_prenotify and io_write too

This avoids

   Assertion `!diskfs_readonly' failed.

messages at shutdown.
---
 libdiskfs/io-write.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libdiskfs/io-write.c')

diff --git a/libdiskfs/io-write.c b/libdiskfs/io-write.c
index 2e47c81c..17455bbc 100644
--- a/libdiskfs/io-write.c
+++ b/libdiskfs/io-write.c
@@ -35,6 +35,9 @@ diskfs_S_io_write (struct protid *cred,
   if (!cred)
     return EOPNOTSUPP;
 
+  if (diskfs_check_readonly ())
+    return EROFS;
+
   np = cred->po->np;
   if (!(cred->po->openstat & O_WRITE))
     return EBADF;
-- 
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