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authorLong Li <longli@microsoft.com>2019-04-06 00:36:33 +0300
committerSteve French <stfrench@microsoft.com>2019-05-08 07:24:54 +0300
commit62fdf6707ebd46ae97e3cb7a7d246b05c3c619f1 (patch)
treeaf5edae9fc283c41686cb2746de56a77f8b96575 /fs/cifs/smbdirect.c
parent98e0d40888458e6abf60227ac85c675ed07cffc2 (diff)
downloadlinux-62fdf6707ebd46ae97e3cb7a7d246b05c3c619f1.tar.xz
cifs: smbd: Indicate to retry on transport sending failure
Failure to send a packet doesn't mean it's a permanent failure, it can't be returned to user process. This I/O should be retried or failed based on server packet response and transport health. This logic is handled by the upper layer. Give this decision to upper layer. Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/smbdirect.c')
-rw-r--r--fs/cifs/smbdirect.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c
index df95c7568445..05b05e78f31b 100644
--- a/fs/cifs/smbdirect.c
+++ b/fs/cifs/smbdirect.c
@@ -853,7 +853,7 @@ static int smbd_create_header(struct smbd_connection *info,
if (info->transport_status != SMBD_CONNECTED) {
log_outgoing(ERR, "disconnected not sending\n");
- return -ENOENT;
+ return -EAGAIN;
}
atomic_dec(&info->send_credits);
@@ -979,6 +979,7 @@ static int smbd_post_send(struct smbd_connection *info,
wake_up(&info->wait_send_pending);
}
smbd_disconnect_rdma_connection(info);
+ rc = -EAGAIN;
} else
/* Reset timer for idle connection after packet is sent */
mod_delayed_work(info->workqueue, &info->idle_timer_work,
@@ -2085,7 +2086,7 @@ int smbd_send(struct TCP_Server_Info *server, struct smb_rqst *rqst)
int rc;
if (info->transport_status != SMBD_CONNECTED) {
- rc = -ENODEV;
+ rc = -EAGAIN;
goto done;
}