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authorSteve French <stfrench@microsoft.com>2018-07-30 19:23:09 -0500
committerSteve French <stfrench@microsoft.com>2018-08-07 14:20:22 -0500
commitbf1fdeb7899a86adfbe0b521bee5cf78bb870a14 (patch)
treec0acfab8a6baef94288fa47f7bc12f59537f6c5f /fs/cifs/transport.c
parente68a932b0b8e38eaa2111fc3aab31ff66988f1c4 (diff)
smb3: add reconnect tracepoints
Add tracepoints for reconnecting an smb3 session Example output (from trace-cmd) with the patch (showing the session marked for reconnect, the stat failing, and then the subsequent SMB3 commands after the server comes back up). The "smb3_reconnect" event is the new one. cifsd-25993 [000] .... 29635.368265: smb3_reconnect: server=localhost current_mid=0x1e stat-26200 [001] .... 29638.516403: smb3_enter: cifs_revalidate_dentry_attr: xid=22 stat-26200 [001] .... 29648.723296: smb3_exit_err: cifs_revalidate_dentry_attr: xid=22 rc=-112 kworker/0:1-22830 [000] .... 29653.850947: smb3_cmd_done: sid=0x0 tid=0x0 cmd=0 mid=0 kworker/0:1-22830 [000] .... 29653.851191: smb3_cmd_err: sid=0x8ae4683c tid=0x0 cmd=1 mid=1 status=0xc0000016 rc=-5 kworker/0:1-22830 [000] .... 29653.855254: smb3_cmd_done: sid=0x8ae4683c tid=0x0 cmd=1 mid=2 kworker/0:1-22830 [000] .... 29653.855482: smb3_cmd_done: sid=0x8ae4683c tid=0x8084f30d cmd=3 mid=3 Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Diffstat (limited to 'fs/cifs/transport.c')
-rw-r--r--fs/cifs/transport.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 0f9156af5eb0..357d25351ffa 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -361,6 +361,8 @@ uncork:
* socket so the server throws away the partial SMB
*/
server->tcpStatus = CifsNeedReconnect;
+ trace_smb3_partial_send_reconnect(server->CurrentMid,
+ server->hostname);
}
smbd_done:
if (rc < 0 && rc != -EINTR)