From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=47642 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PAOnD-0001fH-8U for qemu-devel@nongnu.org; Mon, 25 Oct 2010 11:17:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PAOnB-0008CM-8l for qemu-devel@nongnu.org; Mon, 25 Oct 2010 11:16:59 -0400 Received: from mx1.redhat.com ([209.132.183.28]:16324) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PAOnB-0008CA-1z for qemu-devel@nongnu.org; Mon, 25 Oct 2010 11:16:57 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o9PFGuNw028907 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 25 Oct 2010 11:16:56 -0400 From: Kevin Wolf Date: Mon, 25 Oct 2010 17:17:35 +0200 Message-Id: <1288019856-16649-4-git-send-email-kwolf@redhat.com> In-Reply-To: <1288019856-16649-1-git-send-email-kwolf@redhat.com> References: <1288019856-16649-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PATCH 3/4] scsi-disk: Complete failed requests in scsi_disk_emulate_command List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com This pulls the request completion for error cases from the caller to scsi_disk_emulate_command. This should not change semantics, but allows to reuse scsi_handle_write_error() for flushes in the next patch. Signed-off-by: Kevin Wolf --- hw/scsi-disk.c | 21 ++++++++++----------- 1 files changed, 10 insertions(+), 11 deletions(-) diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c index 55ba558..7418f0b 100644 --- a/hw/scsi-disk.c +++ b/hw/scsi-disk.c @@ -785,8 +785,9 @@ static int scsi_disk_emulate_read_toc(SCSIRequest *req, uint8_t *outbuf) return toclen; } -static int scsi_disk_emulate_command(SCSIRequest *req, uint8_t *outbuf) +static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf) { + SCSIRequest *req = &r->req; SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); uint64_t nb_sectors; int buflen = 0; @@ -944,12 +945,12 @@ static int scsi_disk_emulate_command(SCSIRequest *req, uint8_t *outbuf) return buflen; not_ready: - scsi_req_set_status(req, CHECK_CONDITION, NOT_READY); - return 0; + scsi_command_complete(r, CHECK_CONDITION, NOT_READY); + return -1; illegal_request: - scsi_req_set_status(req, CHECK_CONDITION, ILLEGAL_REQUEST); - return 0; + scsi_command_complete(r, CHECK_CONDITION, ILLEGAL_REQUEST); + return -1; } /* Execute a scsi command. Returns the length of the data expected by the @@ -1057,14 +1058,12 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag, case REPORT_LUNS: case VERIFY: case REZERO_UNIT: - rc = scsi_disk_emulate_command(&r->req, outbuf); - if (rc > 0) { - r->iov.iov_len = rc; - } else { - scsi_req_complete(&r->req); - scsi_remove_request(r); + rc = scsi_disk_emulate_command(r, outbuf); + if (rc < 0) { return 0; } + + r->iov.iov_len = rc; break; case READ_6: case READ_10: -- 1.7.2.3