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 10/18] cifs: allow for different handling of received response
Date: Tue, 21 Dec 2010 21:21:28 +0530 [thread overview]
Message-ID: <4D10CD00.2020003@suse.de> (raw)
In-Reply-To: <1292598497-29796-11-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
On 12/17/2010 08:38 PM, Jeff Layton wrote:
> In order to incorporate async requests, we need to allow for a more
> general way to do things on receive, rather than just waking up a
> process.
>
> Turn the task pointer in the mid_q_entry into a callback function and a
> generic data pointer. When a response comes in, or the socket is
> reconnected, cifsd can call the callback function in order to wake up
> the process.
>
> The default is to just wake up the current process which should mean no
> change in behavior for existing code.
>
> Also, clean up the locking in cifs_reconnect. There doesn't seem to be
> any need to hold both the srv_mutex and GlobalMid_Lock when walking the
> list of mids.
>
> Signed-off-by: Jeff Layton <jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> ---
> fs/cifs/cifs_debug.c | 8 +++---
> fs/cifs/cifsglob.h | 15 ++++++++++++-
> fs/cifs/connect.c | 56 +++++++++++++++++++++++++-------------------------
> fs/cifs/transport.c | 19 +++++++++++++++-
> 4 files changed, 63 insertions(+), 35 deletions(-)
>
Looks good to me.
Reviewed-by: Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org>
next prev parent reply other threads:[~2010-12-21 15:51 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
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 01/18] cifs: don't fail writepages on -EAGAIN errors Jeff Layton
[not found] ` <1292598497-29796-2-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-20 10:53 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 02/18] cifs: no need to mark smb_ses_list as cifs_demultiplex_thread is exiting Jeff Layton
[not found] ` <1292598497-29796-3-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-20 10:52 ` Suresh Jayaraman
2010-12-20 16:38 ` Suresh Jayaraman
[not found] ` <4D0F868E.8020407-l3A5Bk7waGM@public.gmane.org>
2010-12-21 1:38 ` Jeff Layton
2010-12-17 15:08 ` [PATCH 03/18] cifs: make wait_for_free_request take a TCP_Server_Info pointer Jeff Layton
[not found] ` <1292598497-29796-4-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-20 10:52 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 04/18] cifs: clean up accesses to midCount Jeff Layton
[not found] ` <1292598497-29796-5-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-20 10:52 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 05/18] cifs: move locked sections out of DeleteMidQEntry and AllocMidQEntry Jeff Layton
[not found] ` <1292598497-29796-6-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-20 11:00 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 06/18] cifs: move mid result processing into common function Jeff Layton
[not found] ` <1292598497-29796-7-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-20 11:06 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 07/18] cifs: wait indefinitely for responses Jeff Layton
[not found] ` <1292598497-29796-8-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-21 15:50 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 08/18] cifs: don't reconnect server when we don't get a response Jeff Layton
[not found] ` <1292598497-29796-9-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-20 11:27 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 09/18] cifs: clean up sync_mid_result Jeff Layton
[not found] ` <1292598497-29796-10-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-20 11:27 ` Suresh Jayaraman
[not found] ` <4D0F3DAD.7080801-l3A5Bk7waGM@public.gmane.org>
2010-12-20 13:04 ` Jeff Layton
[not found] ` <20101220080409.35112ed8-4QP7MXygkU+dMjc06nkz3ljfA9RmPOcC@public.gmane.org>
2010-12-20 16:35 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 10/18] cifs: allow for different handling of received response Jeff Layton
[not found] ` <1292598497-29796-11-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-21 15:50 ` Suresh Jayaraman
[not found] ` <4D10CCD3.1040502-l3A5Bk7waGM@public.gmane.org>
2010-12-21 16:48 ` Jeff Layton
2010-12-21 15:51 ` Suresh Jayaraman [this message]
2010-12-17 15:08 ` [PATCH 11/18] cifs: handle cancelled requests better Jeff Layton
2010-12-17 15:08 ` [PATCH 12/18] cifs: add cifs_call_async Jeff Layton
[not found] ` <1292598497-29796-13-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-21 16:05 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 13/18] cifs: add ability to send an echo request Jeff Layton
[not found] ` <1292598497-29796-14-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-21 16:05 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 14/18] cifs: set up recurring workqueue job to do SMB echo requests Jeff Layton
[not found] ` <1292598497-29796-15-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-21 16:06 ` Suresh Jayaraman
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
2010-12-17 15:08 ` [PATCH 16/18] cifs: remove code for setting timeouts on requests Jeff Layton
[not found] ` <1292598497-29796-17-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-23 10:32 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 17/18] cifs: mangle existing header for SMB_COM_NT_CANCEL Jeff Layton
[not found] ` <1292598497-29796-18-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-23 11:05 ` Suresh Jayaraman
2010-12-17 15:08 ` [PATCH 18/18] cifs: send an NT_CANCEL request when a process is signalled Jeff Layton
[not found] ` <1292598497-29796-19-git-send-email-jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-12-23 11:06 ` Suresh Jayaraman
-- strict thread matches above, loose matches on Subject: below --
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 10/18] cifs: allow for different handling of received response Jeff Layton
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