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| Path | csiph.com!goblin2!goblin.stu.neva.ru!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Mikulas Patocka <mpatocka@redhat.com> |
| Newsgroups | linux.kernel |
| Subject | [PATCH 6/15] scsi xcopy: suppress error messages |
| Date | Thu, 10 Dec 2015 18:40:04 +0100 |
| Message-ID | <qEdmc-OR-53@gated-at.bofh.it> (permalink) |
| References | <qEdma-OR-9@gated-at.bofh.it> |
| X-Original-To | "James E.J. Bottomley" <JBottomley@odin.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, Jens Axboe <axboe@kernel.dk>, Mike Snitzer <msnitzer@redhat.com>, Jonathan Brassow <jbrassow@redhat.com> |
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| X-Original-Cc | dm-devel@redhat.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org |
| X-Original-Date | Thu, 10 Dec 2015 12:30:30 -0500 (EST) |
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| Xref | csiph.com linux.kernel:1288731 |
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This patch suppresses error messages when copying between two arrays that
support XCOPY each, but that cannot copy data between each other.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
---
drivers/scsi/sd.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
Index: linux-4.4-rc4/drivers/scsi/sd.c
===================================================================
--- linux-4.4-rc4.orig/drivers/scsi/sd.c 2015-12-07 16:58:48.000000000 +0100
+++ linux-4.4-rc4/drivers/scsi/sd.c 2015-12-07 16:59:09.000000000 +0100
@@ -1995,6 +1995,20 @@ static int sd_done(struct scsi_cmnd *SCp
req->cmd_flags |= REQ_QUIET;
}
}
+ } else if (sshdr.asc == 0x26) {
+ switch (op) {
+ /*
+ * Copying between two arrays that support XCOPY, but
+ * cannot access each other.
+ */
+ case EXTENDED_COPY:
+ if ((SCpnt->cmnd[1] & 0x1f) == 0) {
+ good_bytes = 0;
+ req->__data_len = blk_rq_bytes(req);
+ req->cmd_flags |= REQ_QUIET;
+ }
+ break;
+ }
}
break;
default:
--
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[PATCH 0/15] copy offload patches Mikulas Patocka <mpatocka@redhat.com> - 2015-12-10 18:40 +0100
[PATCH 7/15] scsi xcopy: keep cache of failures Mikulas Patocka <mpatocka@redhat.com> - 2015-12-10 18:40 +0100
[PATCH 5/15] block copy: use asynchronous notification Mikulas Patocka <mpatocka@redhat.com> - 2015-12-10 18:40 +0100
[PATCH 6/15] scsi xcopy: suppress error messages Mikulas Patocka <mpatocka@redhat.com> - 2015-12-10 18:40 +0100
[PATCH 4/15] block copy: use a timer to fix a theoretical deadlock Mikulas Patocka <mpatocka@redhat.com> - 2015-12-10 18:40 +0100
[PATCH 14/15] dm kcopyd: change mutex to spinlock Mikulas Patocka <mpatocka@redhat.com> - 2015-12-10 18:40 +0100
[PATCH 9/15] dm: implement copy Mikulas Patocka <mpatocka@redhat.com> - 2015-12-10 18:40 +0100
[PATCH 1/15] block copy: initial XCOPY offload support Mikulas Patocka <mpatocka@redhat.com> - 2015-12-10 18:40 +0100
[PATCH 12/15] dm kcopyd: introduce the function submit_job Mikulas Patocka <mpatocka@redhat.com> - 2015-12-10 18:40 +0100
Re: [PATCH 0/15] copy offload patches "Martin K. Petersen" <martin.petersen@oracle.com> - 2015-12-10 23:40 +0100
Re: [dm-devel] [PATCH 0/15] copy offload patches Mike Christie <michaelc@cs.wisc.edu> - 2015-12-11 06:10 +0100
Re: [dm-devel] [PATCH 0/15] copy offload patches Christoph Hellwig <hch@infradead.org> - 2015-12-11 21:00 +0100
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