da8a3dd332
- Fix Provides and Obsoletes of eject. - Conflict with old coreutils and sysvinit-tools with conflicting files to guarantee seamless upgrade. - Remove Provides and Obsoletes of packages that do not exist since SuSE Linux 8. - Include upstreamed patch from SUSE eject package: Check eject host_status and driver_status when using SG_IO (eject-scsi-check-host_status-and-driver_status.patch, bnc#358033). It works-around the second-build "unresolvable" status in request id 181063: http://lists.opensuse.org/opensuse-buildservice/2013-06/msg00246.html OBS-URL: https://build.opensuse.org/request/show/181367 OBS-URL: https://build.opensuse.org/package/show/Base:System/util-linux?expand=0&rev=174
78 lines
2.3 KiB
Diff
78 lines
2.3 KiB
Diff
From 90a0e97c7be9da39fd54600228e006b98667ad56 Mon Sep 17 00:00:00 2001
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From: Karel Zak <kzak@redhat.com>
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Date: Tue, 18 Jun 2013 12:24:28 +0200
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Subject: [PATCH 1/2] eject: Check host_status and driver_status when using
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SG_IO.
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Based on Suse patch, originally from
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Anna Bernathova <anicka@suse.cz>, May 2008
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SG_IO completion status is weird but still well defined. You'll need
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to check both host_status, driver_status and status to determine that
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a command actually succeeded. -- Tejun Heo, May 2008
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Note that we also need to check driver_status and sense_buffer to
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detect situation when there is no medium. It's valid request to call
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eject(8) for device with no medium.
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References: https://bugzilla.novell.com/show_bug.cgi?id=358033
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Signed-off-by: Anna Bernathova <anicka@suse.cz>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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---
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sys-utils/eject.c | 24 +++++++++++++++++++++---
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1 file changed, 21 insertions(+), 3 deletions(-)
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diff --git a/sys-utils/eject.c b/sys-utils/eject.c
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index 4ec69e7..f98f227 100644
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--- a/sys-utils/eject.c
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+++ b/sys-utils/eject.c
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@@ -53,6 +53,14 @@
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#include "pathnames.h"
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#include "sysfs.h"
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+/*
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+ * sg_io_hdr_t driver_status -- see kernel include/scsi/scsi.h
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+ */
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+#ifndef DRIVER_SENSE
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+# define DRIVER_SENSE 0x08
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+#endif
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+
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+
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#define EJECT_DEFAULT_DEVICE "/dev/cdrom"
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@@ -604,17 +612,27 @@ static int eject_scsi(int fd)
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io_hdr.cmdp = allowRmBlk;
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status = ioctl(fd, SG_IO, (void *)&io_hdr);
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- if (status < 0)
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+ if (status < 0 || io_hdr.host_status || io_hdr.driver_status)
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return 0;
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io_hdr.cmdp = startStop1Blk;
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status = ioctl(fd, SG_IO, (void *)&io_hdr);
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- if (status < 0)
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+ if (status < 0 || io_hdr.host_status)
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+ return 0;
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+
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+ /* Ignore errors when there is not medium -- in this case driver sense
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+ * buffer sets MEDIUM NOT PRESENT (3a) bit. For more details see:
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+ * http://www.tldp.org/HOWTO/archived/SCSI-Programming-HOWTO/SCSI-Programming-HOWTO-22.html#sec-sensecodes
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+ * -- kzak Jun 2013
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+ */
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+ if (io_hdr.driver_status != 0 &&
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+ !(io_hdr.driver_status == DRIVER_SENSE && io_hdr.sbp &&
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+ io_hdr.sbp[12] == 0x3a))
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return 0;
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io_hdr.cmdp = startStop2Blk;
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status = ioctl(fd, SG_IO, (void *)&io_hdr);
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- if (status < 0)
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+ if (status < 0 || io_hdr.host_status || io_hdr.driver_status)
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return 0;
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/* force kernel to reread partition table when new disc inserted */
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--
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1.8.1.4
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