ceph: enhance dout messages in issue_read codepaths

Signed-off-by: Jeff Layton <jlayton@kernel.org>

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index d14a9378d1202608cbfc359ffe938ff4b2334664..475df4efd2c72cebd12f55e66fea242c7672abed 100644 (file)
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -190,6 +190,8 @@ static bool ceph_netfs_clamp_length(struct netfs_io_subrequest *subreq)
        /* Truncate the extent at the end of the current block */
        ceph_calc_file_object_mapping(&ci->i_layout, subreq->start, subreq->len,
                                      &objno, &objoff, &xlen);
+       dout("%s: subreq->len=0x%zx xlen=0x%x rsize=0x%x",
+               __func__, subreq->len, xlen, fsc->mount_options->rsize);
        subreq->len = min(xlen, fsc->mount_options->rsize);
        return true;
 }
@@ -304,7 +306,9 @@ static void ceph_netfs_issue_read(struct netfs_io_subrequest *subreq)
                goto out;
        }
 
-       dout("%s: pos=%llu orig_len=%zu len=%llu\n", __func__, subreq->start, subreq->len, len);
+       dout("%s: pos=%llu orig_len=%zu len=%llu debug_id=%x debug_idx=%hx iter->count=%zx\n",
+               __func__, subreq->start, subreq->len, len, rreq->debug_id,
+               subreq->debug_index, iov_iter_count(&subreq->iter));
 
        err = iov_iter_get_pages_alloc(&subreq->iter, &pages, len, &page_off);
        if (err < 0) {