142 lines
4.5 KiB
Diff
142 lines
4.5 KiB
Diff
From a5c37afdca97d6565ea02bc4bc7d52f360823cd3 Mon Sep 17 00:00:00 2001
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From: David Teigland <teigland@redhat.com>
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Date: Wed, 8 Sep 2021 16:30:11 -0500
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Subject: [PATCH 25/54] pvcreate: overwrite partition header with -f
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$ pvcreate /dev/sdc
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Cannot use /dev/sdc: device is partitioned
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$ pvcreate -f /dev/sdc
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Physical volume "/dev/sdc" successfully created.
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---
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lib/commands/toolcontext.h | 1 +
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lib/filters/filter-partitioned.c | 3 +++
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man/pvcreate.8_des | 7 ++++---
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test/shell/test-partition.sh | 12 ++++++++++--
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tools/toollib.c | 10 ++++++++++
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5 files changed, 28 insertions(+), 5 deletions(-)
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diff --git a/lib/commands/toolcontext.h b/lib/commands/toolcontext.h
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index 356c79f8a..b83883fb8 100644
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--- a/lib/commands/toolcontext.h
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+++ b/lib/commands/toolcontext.h
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@@ -201,6 +201,7 @@ struct cmd_context {
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unsigned ignore_device_name_mismatch:1; /* skip updating devices file names */
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unsigned backup_disabled:1; /* skip repeated debug message */
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unsigned event_activation:1; /* whether event_activation is set */
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+ unsigned filter_partitioned_skip:1; /* don't use filter-partitioned */
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/*
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* Devices and filtering.
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diff --git a/lib/filters/filter-partitioned.c b/lib/filters/filter-partitioned.c
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index 642553ef2..8f468a567 100644
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--- a/lib/filters/filter-partitioned.c
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+++ b/lib/filters/filter-partitioned.c
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@@ -27,6 +27,9 @@ static int _passes_partitioned_filter(struct cmd_context *cmd, struct dev_filter
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if (cmd->filter_nodata_only)
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return 1;
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+ if (cmd->filter_partitioned_skip)
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+ return 1;
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+
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dev->filtered_flags &= ~DEV_FILTERED_PARTITIONED;
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ret = dev_is_partitioned(cmd, dev);
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diff --git a/man/pvcreate.8_des b/man/pvcreate.8_des
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index 69bd133aa..4048eb71c 100644
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--- a/man/pvcreate.8_des
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+++ b/man/pvcreate.8_des
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@@ -7,9 +7,10 @@ Use \fBvgcreate\fP(8) to create a new VG on the PV, or \fBvgextend\fP(8)
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to add the PV to an existing VG. Use \fBpvremove\fP(8) to remove the LVM
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disk label from the device.
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.P
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-The force option will create a PV without confirmation. Repeating the
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-force option (\fB-ff\fP) will forcibly create a PV, overriding checks that
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-normally prevent it, e.g. if the PV is already in a VG.
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+The force option will create a PV without confirmation, and will overwrite
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+partition headers. Repeating the force option (\fB-ff\fP) will override other
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+checks that would normally prevent a pvcreate, e.g. if the PV is already in a
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+VG.
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.P
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.B Metadata location, size, and alignment
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.P
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diff --git a/test/shell/test-partition.sh b/test/shell/test-partition.sh
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index 0e92f00db..3a45f9089 100644
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--- a/test/shell/test-partition.sh
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+++ b/test/shell/test-partition.sh
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@@ -16,7 +16,6 @@
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#
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-
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SKIP_WITH_LVMPOLLD=1
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LVM_TEST_CONFIG_DEVICES="types = [\"device-mapper\", 142]"
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@@ -25,7 +24,7 @@ LVM_TEST_CONFIG_DEVICES="types = [\"device-mapper\", 142]"
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which sfdisk || skip
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-aux prepare_pvs 1 30
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+aux prepare_pvs 2 30
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pvs "$dev1"
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@@ -33,3 +32,12 @@ pvs "$dev1"
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echo "1 2" | sfdisk --force "$dev1"
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not pvs "$dev1"
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+
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+wipefs -a "$dev2"
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+echo "1 2" | sfdisk --force "$dev2"
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+partprobe
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+not pvcreate "$dev2"
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+pvcreate -f "$dev2"
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+pvs "$dev2"
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+pvremove "$dev2"
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+
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diff --git a/tools/toollib.c b/tools/toollib.c
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index d6f48aad2..80d3de57c 100644
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--- a/tools/toollib.c
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+++ b/tools/toollib.c
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@@ -5243,6 +5243,10 @@ int pvcreate_each_device(struct cmd_context *cmd,
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if (cmd->enable_devices_file && !pp->is_remove)
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cmd->filter_deviceid_skip = 1;
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+ /* pvcreate -f overwrites partitions */
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+ if (pp->force && !pp->is_remove)
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+ cmd->filter_partitioned_skip = 1;
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+
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log_debug("Scanning and filtering device args (%u).", dm_list_size(&scan_devs));
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label_scan_devs(cmd, cmd->filter, &scan_devs);
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@@ -5257,6 +5261,7 @@ int pvcreate_each_device(struct cmd_context *cmd,
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}
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}
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cmd->filter_deviceid_skip = 0;
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+ cmd->filter_partitioned_skip = 0;
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/*
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* Can the command continue if some specified devices were not found?
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@@ -5469,6 +5474,9 @@ do_command:
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if (cmd->enable_devices_file && !pp->is_remove)
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cmd->filter_deviceid_skip = 1;
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+ if (pp->force && !pp->is_remove)
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+ cmd->filter_partitioned_skip = 1;
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+
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log_debug("Rescanning and filtering device args with exclusive open");
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if (!label_scan_devs_excl(cmd, cmd->filter, &rescan_devs)) {
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log_debug("Failed to rescan devs excl");
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@@ -5482,7 +5490,9 @@ do_command:
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dm_list_add(&pp->arg_fail, &pd->list);
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}
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}
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+
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cmd->filter_deviceid_skip = 0;
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+ cmd->filter_partitioned_skip = 0;
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if (dm_list_empty(&pp->arg_process) && dm_list_empty(&remove_duplicates)) {
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log_debug("No devices to process.");
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--
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2.34.3
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