e0449582f8
'/boot/zipl/active_devices.txt' (bsc#1232474, bsc#1216257) * ctc_configure * dasd_configure * qeth_configure * zfcp_host_configure OBS-URL: https://build.opensuse.org/package/show/Base:System/s390-tools?expand=0&rev=228
57 lines
1.5 KiB
Diff
57 lines
1.5 KiB
Diff
From 943e577440d74ad7f8787af2590c8ab4579a459b Mon Sep 17 00:00:00 2001
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From: Hannes Reinecke <hare@suse.de>
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Date: Thu, 5 Nov 2015 10:57:38 +0100
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Subject: [PATCH] dasdfmt: retry BIODASDINFO if device is busy
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Modern udev have the wonderful 'feature' to sending a 'change'
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event whenever a device opened with O_RDWR is closed again.
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The reasoning is that the said program _might_ have changed
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the partition table and hence we _might_ have missed a partition
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update.
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But in doing so it not only generated tons of pointless events
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but also confused the hell out of other programs.
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Idiots.
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References: bsc#937340
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Signed-off-by: Hannes Reinecke <hare@suse.de>
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---
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dasdfmt/dasdfmt.c | 19 ++++++++++++++++++-
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1 file changed, 18 insertions(+), 1 deletion(-)
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--- a/dasdfmt/dasdfmt.c
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+++ b/dasdfmt/dasdfmt.c
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@@ -621,7 +621,7 @@
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*/
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static void check_disk(void)
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{
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- int err;
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+ int err, index = 0 ;
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bool ro;
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err = dasd_is_ro(g.dev_node, &ro);
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@@ -631,6 +631,23 @@
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if (ro)
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error("Disk %s is read only!", g.dev_path);
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if (!g.force) {
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+ /*
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+ * udev strikes again.
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+ * Modern udev will issue a 'change' event whenever
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+ * a device opened with O_RDWR is closed again.
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+ * On the grounds that program _might_ have changed
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+ * the partition table.
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+ * And confusing the hell out ouf anyone else.
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+ * Bah.
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+ */
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+ for ( index = 0 ; index < 6 ; index++ ) {
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+ if (g.dasd_info.open_count > 1) {
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+ dasd_get_info(g.dev_node, &g.dasd_info);
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+ sleep(1);
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+ }
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+ else break;
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+
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+ }
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if (g.dasd_info.open_count > 1)
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error("Disk %s is in use!", g.dev_path);
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}
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