From: Hannes Reinecke <hare@suse.de>
To: "Elliott, Robert (Server Storage)" <Elliott@hp.com>,
Christoph Hellwig <hch@infradead.org>
Cc: James Bottomley <jbottomley@parallels.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH 26/27] scsi: correct return values for .eh_abort_handler implementations
Date: Wed, 29 Oct 2014 08:39:35 +0100 [thread overview]
Message-ID: <545099B7.9090501@suse.de> (raw)
In-Reply-To: <94D0CD8314A33A4D9D801C0FE68B4029593470E7@G9W0745.americas.hpqcorp.net>
[-- Attachment #1: Type: text/plain, Size: 1968 bytes --]
On 10/29/2014 12:49 AM, Elliott, Robert (Server Storage) wrote:
>
>
>> -----Original Message-----
>> From: Hannes Reinecke [mailto:hare@suse.de]
>> Sent: Friday, 24 October, 2014 7:27 AM
>> To: James Bottomley
>> Cc: Christoph Hellwig; Elliott, Robert (Server Storage); linux-
>> scsi@vger.kernel.org; Hannes Reinecke; stable@vger.kernel.org
>> Subject: [PATCH 26/27] scsi: correct return values for
>> .eh_abort_handler implementations
>>
>> The .eh_abort_handler needs to return SUCCESS, FAILED, or
>> FAST_IO_FAIL. So fixup all callers to adhere to this requirement.
>>
>> Cc: Robert Elliott <elliott@hp.com>
>> Cc: <stable@vger.kernel.org>
>> Signed-off-by: Hannes Reinecke <hare@suse.de>
>> ---
>> drivers/scsi/NCR5380.c | 2 +-
>> drivers/scsi/aha1740.c | 2 +-
>> drivers/scsi/esas2r/esas2r_main.c | 2 +-
>> drivers/scsi/megaraid.c | 8 ++++----
>> 4 files changed, 7 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
>> index 50873bb..e2c9e73 100644
>> --- a/drivers/scsi/NCR5380.c
>> +++ b/drivers/scsi/NCR5380.c
>> @@ -2703,7 +2703,7 @@ static int NCR5380_abort(Scsi_Cmnd * cmd) {
>> * aborted flag and get back into our main loop.
>> */
>>
>> - return 0;
>> + return SUCCESS;
>> }
>> #endif
>
> The comment above this function still says:
> * Returns : 0 - success, -1 on failure.
>
> The same comment problem also exists in
> atari_NCR5380.c and sun3_NCR5380.c, which have
> functions with this same name.
>
Yeah, but for those it's just the comment which is
at fault; the code actually does the correct thing ...
> With all those comments also updated...
> Reviewed-by: Robert Elliott <elliott@hp.com>
>
Okay, updated patch attached.
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
[-- Attachment #2: 0026-scsi-correct-return-values-for-.eh_abort_handler-imp.patch --]
[-- Type: text/x-patch, Size: 5325 bytes --]
>From 687d52fbc9475e539f443e66234f13408cd3fc1a Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Mon, 6 Oct 2014 09:59:14 +0200
Subject: [PATCH 26/27] scsi: correct return values for .eh_abort_handler
implementations
The .eh_abort_handler needs to return SUCCESS, FAILED, or
FAST_IO_FAIL. So fixup all callers to adhere to this requirement.
Reviewed-by: Robert Elliott <elliott@hp.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
drivers/scsi/NCR5380.c | 12 ++++++------
drivers/scsi/aha1740.c | 2 +-
drivers/scsi/atari_NCR5380.c | 2 +-
drivers/scsi/esas2r/esas2r_main.c | 2 +-
drivers/scsi/megaraid.c | 8 ++++----
drivers/scsi/sun3_NCR5380.c | 10 +++++-----
6 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 50873bb..296c6f5 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -2647,14 +2647,14 @@ static void NCR5380_dma_complete(NCR5380_instance * instance) {
*
* Purpose : abort a command
*
- * Inputs : cmd - the Scsi_Cmnd to abort, code - code to set the
- * host byte of the result field to, if zero DID_ABORTED is
+ * Inputs : cmd - the Scsi_Cmnd to abort, code - code to set the
+ * host byte of the result field to, if zero DID_ABORTED is
* used.
*
- * Returns : 0 - success, -1 on failure.
+ * Returns : SUCCESS - success, FAILED on failure.
*
- * XXX - there is no way to abort the command that is currently
- * connected, you have to wait for it to complete. If this is
+ * XXX - there is no way to abort the command that is currently
+ * connected, you have to wait for it to complete. If this is
* a problem, we could implement longjmp() / setjmp(), setjmp()
* called where the loop started in NCR5380_main().
*
@@ -2703,7 +2703,7 @@ static int NCR5380_abort(Scsi_Cmnd * cmd) {
* aborted flag and get back into our main loop.
*/
- return 0;
+ return SUCCESS;
}
#endif
diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c
index 5f31017..31ace4b 100644
--- a/drivers/scsi/aha1740.c
+++ b/drivers/scsi/aha1740.c
@@ -531,7 +531,7 @@ static int aha1740_eh_abort_handler (Scsi_Cmnd *dummy)
* quiet as possible...
*/
- return 0;
+ return SUCCESS;
}
static struct scsi_host_template aha1740_template = {
diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c
index 229c61b..11e9302 100644
--- a/drivers/scsi/atari_NCR5380.c
+++ b/drivers/scsi/atari_NCR5380.c
@@ -2607,7 +2607,7 @@ static void NCR5380_reselect(struct Scsi_Host *instance)
* host byte of the result field to, if zero DID_ABORTED is
* used.
*
- * Returns : 0 - success, -1 on failure.
+ * Returns : SUCCESS - success, FAILED on failure.
*
* XXX - there is no way to abort the command that is currently
* connected, you have to wait for it to complete. If this is
diff --git a/drivers/scsi/esas2r/esas2r_main.c b/drivers/scsi/esas2r/esas2r_main.c
index 6504a19..45aa684 100644
--- a/drivers/scsi/esas2r/esas2r_main.c
+++ b/drivers/scsi/esas2r/esas2r_main.c
@@ -1057,7 +1057,7 @@ int esas2r_eh_abort(struct scsi_cmnd *cmd)
cmd->scsi_done(cmd);
- return 0;
+ return SUCCESS;
}
spin_lock_irqsave(&a->queue_lock, flags);
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index ac5d94c..2485255 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -1945,7 +1945,7 @@ megaraid_abort_and_reset(adapter_t *adapter, Scsi_Cmnd *cmd, int aor)
cmd->device->id, (u32)cmd->device->lun);
if(list_empty(&adapter->pending_list))
- return FALSE;
+ return FAILED;
list_for_each_safe(pos, next, &adapter->pending_list) {
@@ -1968,7 +1968,7 @@ megaraid_abort_and_reset(adapter_t *adapter, Scsi_Cmnd *cmd, int aor)
(aor==SCB_ABORT) ? "ABORTING":"RESET",
scb->idx);
- return FALSE;
+ return FAILED;
}
else {
@@ -1993,12 +1993,12 @@ megaraid_abort_and_reset(adapter_t *adapter, Scsi_Cmnd *cmd, int aor)
list_add_tail(SCSI_LIST(cmd),
&adapter->completed_list);
- return TRUE;
+ return SUCCESS;
}
}
}
- return FALSE;
+ return FAILED;
}
static inline int
diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c
index 3abd796..835bd8d 100644
--- a/drivers/scsi/sun3_NCR5380.c
+++ b/drivers/scsi/sun3_NCR5380.c
@@ -2590,15 +2590,15 @@ static void NCR5380_reselect (struct Scsi_Host *instance)
* Purpose : abort a command
*
* Inputs : cmd - the struct scsi_cmnd to abort, code - code to set the
- * host byte of the result field to, if zero DID_ABORTED is
+ * host byte of the result field to, if zero DID_ABORTED is
* used.
*
- * Returns : 0 - success, -1 on failure.
+ * Returns : SUCCESS - success, FAILED on failure.
*
- * XXX - there is no way to abort the command that is currently
- * connected, you have to wait for it to complete. If this is
+ * XXX - there is no way to abort the command that is currently
+ * connected, you have to wait for it to complete. If this is
* a problem, we could implement longjmp() / setjmp(), setjmp()
- * called where the loop started in NCR5380_main().
+ * called where the loop started in NCR5380_main().
*/
static int NCR5380_abort(struct scsi_cmnd *cmd)
--
1.8.5.2
next prev parent reply other threads:[~2014-10-29 7:39 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-24 12:26 [PATCHv8 00/27] scsi logging update (the boring part) Hannes Reinecke
2014-10-24 12:26 ` [PATCH 01/27] Remove scsi_cmd_print_sense_hdr() Hannes Reinecke
2014-10-24 12:26 ` [PATCH 02/27] sd: Remove scsi_print_sense() in sd_done() Hannes Reinecke
2014-10-24 12:26 ` [PATCH 03/27] aha152x: Debug output update and whitespace cleanup Hannes Reinecke
2014-10-24 12:26 ` [PATCH 04/27] scsi: introduce sdev_prefix_printk() Hannes Reinecke
2014-10-24 12:26 ` [PATCH 05/27] scsi: Use sdev as argument for sense code printing Hannes Reinecke
2014-10-24 12:26 ` [PATCH 06/27] acornscsi: use scsi_print_command() Hannes Reinecke
2014-10-24 12:26 ` [PATCH 07/27] fas216: Return DID_ERROR for incomplete data transfer Hannes Reinecke
2014-10-24 12:26 ` [PATCH 08/27] fas216: Update logging messages Hannes Reinecke
2014-10-24 12:26 ` [PATCH 09/27] 53c700: remove scsi_print_sense() usage Hannes Reinecke
2014-10-24 12:26 ` [PATCH 10/27] scsi: stop decoding if scsi_normalize_sense() fails Hannes Reinecke
2014-10-24 12:26 ` [PATCH 11/27] scsi: do not decode sense extras Hannes Reinecke
2014-10-24 12:26 ` [PATCH 12/27] scsi: use 'bool' as return value for scsi_normalize_sense() Hannes Reinecke
2014-10-24 12:26 ` [PATCH 13/27] scsi: remove scsi_print_status() Hannes Reinecke
2014-10-24 12:26 ` [PATCH 14/27] Implement scsi_opcode_sa_name Hannes Reinecke
2014-10-24 12:26 ` [PATCH 15/27] scsi: merge print_opcode_name() Hannes Reinecke
2014-10-24 12:26 ` [PATCH 16/27] scsi: consolidate opcode lookup in scsi_opcode_sa_name() Hannes Reinecke
2014-10-24 12:26 ` [PATCH 17/27] scsi: repurpose the last argument from print_opcode_name() Hannes Reinecke
2014-10-24 12:26 ` [PATCH 18/27] scsi: Remove scsi_print_command when calling abort Hannes Reinecke
2014-10-24 12:26 ` [PATCH 19/27] scsi: separate out scsi_(host|driver)byte_string() Hannes Reinecke
2014-10-24 12:27 ` [PATCH 20/27] Remove scsi_show_result() Hannes Reinecke
2014-10-24 12:27 ` [PATCH 21/27] scsi: simplify scsi_log_(send|completion) Hannes Reinecke
2014-10-24 12:27 ` [PATCH 22/27] scsi: fixup logging messages in scsi_error.c Hannes Reinecke
2014-10-24 12:27 ` [PATCH 23/27] scsi: use shost argument in scsi_eh_prt_fail_stats Hannes Reinecke
2014-10-24 12:27 ` [PATCH 24/27] scsi_error: document scsi_try_to_abort_cmd Hannes Reinecke
2014-10-24 12:27 ` [PATCH 25/27] scsi: check for correct return code in scsi_eh_abort_cmds() Hannes Reinecke
2014-10-28 19:04 ` Elliott, Robert (Server Storage)
2014-10-29 7:29 ` Hannes Reinecke
2014-10-24 12:27 ` [PATCH 26/27] scsi: correct return values for .eh_abort_handler implementations Hannes Reinecke
2014-10-28 23:49 ` Elliott, Robert (Server Storage)
2014-10-29 7:39 ` Hannes Reinecke [this message]
2014-10-24 12:27 ` [PATCH 27/27] scsi: ratelimit I/O error messages Hannes Reinecke
2014-10-24 21:00 ` Elliott, Robert (Server Storage)
2014-10-28 17:33 ` Christoph Hellwig
2014-10-28 17:44 ` Hannes Reinecke
2014-10-28 17:57 ` Christoph Hellwig
2014-10-28 18:36 ` Elliott, Robert (Server Storage)
2014-10-24 14:54 ` [PATCHv8 00/27] scsi logging update (the boring part) Christoph Hellwig
2014-10-28 2:23 ` Martin K. Petersen
-- strict thread matches above, loose matches on Subject: below --
2014-10-20 6:52 [PATCHv7 " Hannes Reinecke
2014-10-20 6:52 ` [PATCH 26/27] scsi: correct return values for .eh_abort_handler implementations Hannes Reinecke
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=545099B7.9090501@suse.de \
--to=hare@suse.de \
--cc=Elliott@hp.com \
--cc=hch@infradead.org \
--cc=jbottomley@parallels.com \
--cc=linux-scsi@vger.kernel.org \
--cc=stable@vger.kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox