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-rw-r--r--fs/btrfs/disk-io.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 469a51b4b273..18eefc5b2532 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -4201,6 +4201,14 @@ static void btrfs_destroy_all_ordered_extents(struct btrfs_fs_info *fs_info)
spin_lock(&fs_info->ordered_root_lock);
}
spin_unlock(&fs_info->ordered_root_lock);
+
+ /*
+ * We need this here because if we've been flipped read-only we won't
+ * get sync() from the umount, so we need to make sure any ordered
+ * extents that haven't had their dirty pages IO start writeout yet
+ * actually get run and error out properly.
+ */
+ btrfs_wait_ordered_roots(fs_info, U64_MAX, 0, (u64)-1);
}
static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,