From: Xiubo Li <xiubli@redhat.com>
Date: Sun, 23 Feb 2020 22:23:11 -0500
Subject: ceph: return ETIMEDOUT errno to userland when request timed out
Git-commit: 8ccf7fcce191c11a2d85ef58ad1a82dd6c7e2f7c
Patch-mainline: v5.7-rc1
References: jsc#SES-1134

req->r_timeout is only used during mounting, so this error will
be more accurate.

URL: https://tracker.ceph.com/issues/44215
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Luis Henriques <lhenriques@suse.com>
---
 fs/ceph/mds_client.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index fab9d6461a65..2da98b6cc064 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2579,7 +2579,7 @@ static void __do_request(struct ceph_mds_client *mdsc,
 	if (req->r_timeout &&
 	    time_after_eq(jiffies, req->r_started + req->r_timeout)) {
 		dout("do_request timed out\n");
-		err = -EIO;
+		err = -ETIMEDOUT;
 		goto finish;
 	}
 	if (READ_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) {
@@ -2753,7 +2753,7 @@ static int ceph_mdsc_wait_request(struct ceph_mds_client *mdsc,
 		if (timeleft > 0)
 			err = 0;
 		else if (!timeleft)
-			err = -EIO;  /* timed out */
+			err = -ETIMEDOUT;  /* timed out */
 		else
 			err = timeleft;  /* killed */
 	}