From bc54521855043c08c8948b5e0137a7407a1fce9c Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 29 Aug 2025 10:42:33 +0200
Subject: [PATCH] repart: never use a grain size below sector size

---
 src/repart/repart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/repart/repart.c b/src/repart/repart.c
index 433798fa57d..9463bd613c8 100644
--- a/src/repart/repart.c
+++ b/src/repart/repart.c
@@ -3445,7 +3445,7 @@ static int context_load_partition_table(Context *context) {
                         /* Use the fallback values if we have no better idea */
                         context->sector_size = fdisk_get_sector_size(c);
                         context->default_fs_sector_size = fs_secsz;
-                        context->grain_size = 4096;
+                        context->grain_size = MAX(context->sector_size, 4096U);
                         return /* from_scratch = */ true;
                 }
 
-- 
2.47.3