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From: Jeff Layton <jlayton@kernel.org>
To: dhowells@redhat.com
Cc: linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org,
	xiubli@redhat.com, idryomov@gmail.com
Subject: [PATCH 3/4] ceph: enhance dout messages in issue_read codepaths
Date: Wed, 18 May 2022 11:11:10 -0400	[thread overview]
Message-ID: <20220518151111.79735-4-jlayton@kernel.org> (raw)
In-Reply-To: <20220518151111.79735-1-jlayton@kernel.org>

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/ceph/addr.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index d14a9378d120..475df4efd2c7 100644
--- 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) {
-- 
2.36.1


  parent reply	other threads:[~2022-05-18 15:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-18 15:11 [PATCH 0/4] ceph: convert to netfs_direct_read_iter for DIO reads Jeff Layton
2022-05-18 15:11 ` [PATCH 1/4] netfs: fix sense of DIO test on short read Jeff Layton
2022-05-18 15:11 ` [PATCH 2/4] ceph: Use the provided iterator in ceph_netfs_issue_op() Jeff Layton
2022-05-18 15:11 ` Jeff Layton [this message]
2022-05-18 15:11 ` [PATCH 4/4] ceph: switch to netfs_direct_read_iter Jeff Layton
2022-05-24  2:42 ` [PATCH 0/4] ceph: convert to netfs_direct_read_iter for DIO reads Xiubo Li

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