diff options
| author | Germano Percossi <germano.percossi@citrix.com> | 2017-04-07 12:29:36 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-21 09:31:19 +0200 |
| commit | 3d8d2f2344767cbab597027e2cde21d1a8b32cca (patch) | |
| tree | 86e2047e9141d54ba333b1a7b569cd06fdb594dd /fs | |
| parent | fd3be7eaff1441cbc5c0a3abf50b519d721d6c0c (diff) | |
CIFS: reconnect thread reschedule itself
commit 18ea43113f5b74a97dd4be9bddbac10d68b1a6ce upstream.
In case of error, smb2_reconnect_server reschedule itself
with a delay, to avoid being too aggressive.
Signed-off-by: Germano Percossi <germano.percossi@citrix.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/smb2pdu.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index bdd32925a15e..7080dac3592c 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1987,6 +1987,9 @@ void smb2_reconnect_server(struct work_struct *work) struct cifs_tcon *tcon, *tcon2; struct list_head tmp_list; int tcon_exist = false; + int rc; + int resched = false; + /* Prevent simultaneous reconnects that can corrupt tcon->rlist list */ mutex_lock(&server->reconnect_mutex); @@ -2014,13 +2017,18 @@ void smb2_reconnect_server(struct work_struct *work) spin_unlock(&cifs_tcp_ses_lock); list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) { - if (!smb2_reconnect(SMB2_INTERNAL_CMD, tcon)) + rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon); + if (!rc) cifs_reopen_persistent_handles(tcon); + else + resched = true; list_del_init(&tcon->rlist); cifs_put_tcon(tcon); } cifs_dbg(FYI, "Reconnecting tcons finished\n"); + if (resched) + queue_delayed_work(cifsiod_wq, &server->reconnect, 2 * HZ); mutex_unlock(&server->reconnect_mutex); /* now we can safely release srv struct */ |