[PATCH] ceph: return ETIMEDOUT errno to userland when request timed out

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From: Xiubo Li <xiubli@xxxxxxxxxx>

The ETIMEOUT errno will be cleaner and be more user-friendly.

URL: https://tracker.ceph.com/issues/44215
Signed-off-by: Xiubo Li <xiubli@xxxxxxxxxx>
---
 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 3e792eca6af7..a1649eb3a3fd 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2578,7 +2578,7 @@ 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) {
@@ -2752,7 +2752,7 @@ 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 */
 	}
-- 
2.21.0




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