bcachefs: fix bch2_debugfs_flush_buf() when tabstops are in use

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

diff --git a/fs/bcachefs/debug.c b/fs/bcachefs/debug.c
index 4ee5d486b305cf3675fc6627afb8d9348de3fa00..4fa70634c90e1f80bad9a49348210af0359c16ee 100644 (file)
--- a/fs/bcachefs/debug.c
+++ b/fs/bcachefs/debug.c
@@ -320,6 +320,11 @@ ssize_t bch2_debugfs_flush_buf(struct dump_iter *i)
                i->buf.pos -= copied;
                memmove(i->buf.buf, i->buf.buf + copied, i->buf.pos);
 
+               if (i->buf.last_newline >= copied)
+                       i->buf.last_newline -= copied;
+               if (i->buf.last_field >= copied)
+                       i->buf.last_field -= copied;
+
                if (copied != bytes)
                        return -EFAULT;
        }