bcachefs: Drop a redundant error message

When we're already read-only, we don't need to print out errors from
writing btree nodes.

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

diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index 0489d07a087f248fe78c1ca9d52534b6de06d154..decbbaace1eef03e98a143325a296fceafdd30a8 100644 (file)
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -1746,7 +1746,7 @@ static void btree_node_write_work(struct work_struct *work)
        struct bch_fs *c        = wbio->wbio.c;
        struct btree *b         = wbio->wbio.bio.bi_private;
        struct bch_extent_ptr *ptr;
-       int ret;
+       int ret = 0;
 
        btree_bounce_free(c,
                wbio->data_bytes,
@@ -1776,7 +1776,8 @@ out:
        return;
 err:
        set_btree_node_noevict(b);
-       bch2_fs_fatal_error(c, "fatal error writing btree node");
+       if (!bch2_err_matches(ret, EROFS))
+               bch2_fs_fatal_error(c, "fatal error writing btree node");
        goto out;
 }