From: Boaz Harrosh <bharrosh@panasas.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: James Bottomley <James.Bottomley@suse.de>,
Mike Christie <michaelc@cs.wisc.edu>,
Hannes Reinecke <hare@suse.de>,
linux-scsi <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH 3/3 version 4] scsi_lib: Collapse scsi_end_request into only user
Date: Tue, 05 Jan 2010 18:23:56 +0200 [thread overview]
Message-ID: <4B43679C.9090009@panasas.com> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1001051014200.3002-100000@iolanthe.rowland.org>
On 01/05/2010 05:20 PM, Alan Stern wrote:
> On Tue, 5 Jan 2010, Boaz Harrosh wrote:
>
>> Embedding scsi_end_request() into scsi_io_completion actually simplifies
>> the code and makes it clearer what's going on.
>>
>> There is absolutely no functional and/or side effects changes after this
>> patch.
>
> Here are some suggestions for changes to the comments. These are quite
> minor and you might not want to bother updating the patch yet again...
>
Sure, NP. thanks for checking me out, coming from Hebrew I do need support
in these matters. Will update tomorrow.
Alan can I add your Review-by: this time around?
>> + if (likely(0 == blk_end_request(req, error, good_bytes))) {
>> + /* All is done and good move to next command */
>
> /* The command completed successfully; move on to the next. */
>
>> + cmd->request = NULL;
>> + action = ACTION_NEXT_CMND;
>> + } else if (result == 0) {
>> + /* Wrote some bytes but request was split */
>
> /* The command was successful but not all the data was
> * transferred; re-prep the command to handle the rest.
> */
>
>> + action = ACTION_REPREP;
>> + } else if (error && scsi_noretry_cmd(cmd)) {
>> + /* kill remainder if no retries */
>
> /* Error. Kill the request since retries are disallowed. */
>
>> + blk_end_request_all(req, error);
>> + cmd->request = NULL;
>> + action = ACTION_NEXT_CMND;
>> + } else if (host_byte(result) == DID_RESET) {
>
> Alan Stern
>
Thanks
Boaz
next prev parent reply other threads:[~2010-01-05 16:24 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-04 12:11 [PATCHSET 0/3] little bit of love to scsi_io_completion Boaz Harrosh
2010-01-04 12:13 ` [PATCH 1/3] scsi_lib: request_queue is only needed inside scsi_requeue_command Boaz Harrosh
2010-01-04 12:15 ` [PATCH 2/3] scsi_lib: Remove that __scsi_release_buffers contraption Boaz Harrosh
2010-01-04 12:17 ` [PATCH 3/3] scsi_lib: Collapse scsi_end_request into only user Boaz Harrosh
2010-01-04 13:23 ` Matthew Wilcox
2010-01-04 13:56 ` Boaz Harrosh
2010-01-04 14:07 ` [PATCH 3/3 version 2] " Boaz Harrosh
2010-01-04 14:12 ` Boaz Harrosh
2010-01-04 18:23 ` Alan Stern
2010-01-05 7:27 ` Boaz Harrosh
2010-01-05 7:53 ` [PATCH 3/3 version 3] " Boaz Harrosh
2010-01-05 8:49 ` Boaz Harrosh
2010-01-05 9:07 ` [PATCH 3/3 version 4] " Boaz Harrosh
2010-01-05 15:20 ` Alan Stern
2010-01-05 16:23 ` Boaz Harrosh [this message]
2010-01-05 16:33 ` Alan Stern
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4B43679C.9090009@panasas.com \
--to=bharrosh@panasas.com \
--cc=James.Bottomley@suse.de \
--cc=hare@suse.de \
--cc=linux-scsi@vger.kernel.org \
--cc=michaelc@cs.wisc.edu \
--cc=stern@rowland.harvard.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.