bcachefs: Fix btree node write error message

Error messages should include the error code, when available.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index 27a2a7b31f379ed93f41380a67c38aee3907f349..19aca1c0f2a210c6714c3d945e051580316cb5b2 100644 (file)
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -1777,7 +1777,7 @@ out:
 err:
        set_btree_node_noevict(b);
        if (!bch2_err_matches(ret, EROFS))
-               bch2_fs_fatal_error(c, "fatal error writing btree node");
+               bch2_fs_fatal_error(c, "fatal error writing btree node: %s", bch2_err_str(ret));
        goto out;
 }