selftests/mount_settattr: ensure that ext4 filesystem can be created

Filesystem too small for a journal
mount: /mnt/D/: mount failed: Operation not permitted.
mount_setattr_test.c:1076:idmap_mount_tree_invalid:Expected system("mount -o loop -t ext4 /mnt/C/ext4.img /mnt/D/") (256) == 0 (0)

Signed-off-by: Christian Brauner <brauner@kernel.org>
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Christian Brauner 2025-04-09 13:00:21 +02:00
commit d37d4720c3
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