diff options
| author | Paulo Alcantara <pc@manguebit.org> | 2025-12-04 15:06:23 -0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2025-12-05 17:40:33 -0600 |
| commit | 855982a52ff7d188188f0ecf86c2ce95957202c6 (patch) | |
| tree | 62e0171cb5c5892abee05edfcb42eff211df3408 /fs/smb/client/smb2pdu.c | |
| parent | 4ae4dde6f34a4124c65468ae4fa1f915fb40f900 (diff) | |
smb: client: relax session and tcon reconnect attempts
When the client re-establishes connection to the server, it will queue
a worker thread that will attempt to reconnect sessions and tcons on
every two seconds, which is kinda overkill as it is a very common
scenario when having expired passwords or KRB5 TGT tickets, or deleted
shares.
Use an exponential backoff strategy to handle session/tcon reconnect
attempts in the worker thread to prevent the client from overloading
the system when it is very unlikely to re-establish any session/tcon
soon while client is idle.
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Reviewed-by: David Howells <dhowells@redhat.com>
Cc: Pierguido Lambri <plambri@redhat.com>
Cc: linux-cifs@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/smb/client/smb2pdu.c')
| -rw-r--r-- | fs/smb/client/smb2pdu.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c index dec9968ffb48..c9f437cd29a2 100644 --- a/fs/smb/client/smb2pdu.c +++ b/fs/smb/client/smb2pdu.c @@ -497,7 +497,7 @@ skip_add_channels: spin_unlock(&ses->ses_lock); if (smb2_command != SMB2_INTERNAL_CMD) - mod_delayed_work(cifsiod_wq, &server->reconnect, 0); + cifs_queue_server_reconn(server); atomic_inc(&tconInfoReconnectCount); out: @@ -4316,7 +4316,7 @@ void smb2_reconnect_server(struct work_struct *work) done: cifs_dbg(FYI, "Reconnecting tcons and channels finished\n"); if (resched) - queue_delayed_work(cifsiod_wq, &server->reconnect, 2 * HZ); + cifs_requeue_server_reconn(server); mutex_unlock(&pserver->reconnect_mutex); /* now we can safely release srv struct */ @@ -4340,7 +4340,7 @@ SMB2_echo(struct TCP_Server_Info *server) server->ops->need_neg(server)) { spin_unlock(&server->srv_lock); /* No need to send echo on newly established connections */ - mod_delayed_work(cifsiod_wq, &server->reconnect, 0); + cifs_queue_server_reconn(server); return rc; } spin_unlock(&server->srv_lock); |