From: Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org>
To: Jeff Layton <jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: smfrench-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 15/18] cifs: reconnect unresponsive servers
Date: Thu, 06 Jan 2011 12:46:17 +0530 [thread overview]
Message-ID: <4D256C41.8060507@suse.de> (raw)
In-Reply-To: <1293417006-6417-16-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
On 12/27/2010 08:00 AM, Jeff Layton wrote:
> If the server isn't responding to echoes, we don't want to leave tasks
> hung waiting for it to reply. At that point, we'll want to reconnect
> so that soft mounts can return an error to userspace quickly.
>
> If the client hasn't received a reply after a specified number of echo
> intervals, assume that the transport is down and attempt to reconnect
> the socket.
>
> The number of echo_intervals to wait before attempting to reconnect is
> tunable via a module parameter. Setting it to 0, means that the client
> will never attempt to reconnect. The default is 5.
>
> Signed-off-by: Jeff Layton <jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> ---
> fs/cifs/cifsfs.c | 5 +++++
> fs/cifs/cifsglob.h | 3 +++
> fs/cifs/connect.c | 21 +++++++++++++++++----
> 3 files changed, 25 insertions(+), 4 deletions(-)
Looks good to me.
Reviewed-by: Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org>
next prev parent reply other threads:[~2011-01-06 7:16 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-27 2:29 [PATCH 00/18] cifs: overhaul request timeout behavior in CIFS (try #4) Jeff Layton
[not found] ` <1293417006-6417-1-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-27 2:29 ` [PATCH 01/18] cifs: don't fail writepages on -EAGAIN errors Jeff Layton
2010-12-27 2:29 ` [PATCH 02/18] cifs: no need to mark smb_ses_list as cifs_demultiplex_thread is exiting Jeff Layton
2010-12-27 2:29 ` [PATCH 03/18] cifs: make wait_for_free_request take a TCP_Server_Info pointer Jeff Layton
2010-12-27 2:29 ` [PATCH 04/18] cifs: clean up accesses to midCount Jeff Layton
2010-12-27 2:29 ` [PATCH 05/18] cifs: move locked sections out of DeleteMidQEntry and AllocMidQEntry Jeff Layton
2010-12-27 2:29 ` [PATCH 06/18] cifs: move mid result processing into common function Jeff Layton
2010-12-27 2:29 ` [PATCH 07/18] cifs: wait indefinitely for responses Jeff Layton
2010-12-27 2:29 ` [PATCH 08/18] cifs: don't reconnect server when we don't get a response Jeff Layton
2010-12-27 2:29 ` [PATCH 09/18] cifs: clean up sync_mid_result Jeff Layton
[not found] ` <1293417006-6417-10-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-27 15:53 ` Pavel Shilovsky
2011-01-06 6:57 ` Suresh Jayaraman
2010-12-27 2:29 ` [PATCH 10/18] cifs: allow for different handling of received response Jeff Layton
2010-12-27 2:29 ` [PATCH 11/18] cifs: handle cancelled requests better Jeff Layton
[not found] ` <1293417006-6417-12-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2011-01-06 7:09 ` Suresh Jayaraman
2010-12-27 2:30 ` [PATCH 12/18] cifs: add cifs_call_async Jeff Layton
2010-12-27 2:30 ` [PATCH 13/18] cifs: add ability to send an echo request Jeff Layton
2010-12-27 2:30 ` [PATCH 14/18] cifs: set up recurring workqueue job to do SMB echo requests Jeff Layton
2010-12-27 2:30 ` [PATCH 15/18] cifs: reconnect unresponsive servers Jeff Layton
[not found] ` <1293417006-6417-16-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-27 15:58 ` Pavel Shilovsky
2011-01-06 7:16 ` Suresh Jayaraman [this message]
2010-12-27 2:30 ` [PATCH 16/18] cifs: remove code for setting timeouts on requests Jeff Layton
2010-12-27 2:30 ` [PATCH 17/18] cifs: mangle existing header for SMB_COM_NT_CANCEL Jeff Layton
2010-12-27 2:30 ` [PATCH 18/18] cifs: send an NT_CANCEL request when a process is signalled Jeff Layton
-- strict thread matches above, loose matches on Subject: below --
2010-12-17 15:07 [PATCH 00/18] cifs: overhaul request timeout behavior in CIFS (try #3) Jeff Layton
[not found] ` <1292598497-29796-1-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-17 15:08 ` [PATCH 15/18] cifs: reconnect unresponsive servers Jeff Layton
[not found] ` <1292598497-29796-16-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-23 10:31 ` Suresh Jayaraman
[not found] ` <4D1324EC.8010305-l3A5Bk7waGM@public.gmane.org>
2010-12-23 13:20 ` Jeff Layton
[not found] ` <20101223082005.347b8ca8-xSBYVWDuneFaJnirhKH9O4GKTjYczspe@public.gmane.org>
2010-12-23 15:36 ` Suresh Jayaraman
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