File tests-add-dev-md-check-to-t6100.patch of Package parted

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File tests-add-dev-md-check-to-t6100.patch of Package parted (Revision cf9d138d47259d7263e619cb3caee05a)

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From: Sebastian Parschauer <sparschauer@suse.de>
Date: Tue, 20 Feb 2018 12:16:26 +0100
Subject: tests: Add /dev/md/ check to t6100
For: libparted-canonicalize-dev-md-paths.patch
References: bsc#1078820
Patch-mainline: submitted, 2018-02-20

The test t6100 checks creating two partitions with /dev/md99 and
a gpt disk label. But using an md name with the symlink in /dev/md/
is not tested. That path might not be canonicalized and the BLKPG*
handling cannot find the existing partitions in /sys/block/$dev/.
That can be observed when creating the second partition while the
first one is in use.

So move common code to new functions create_mddev() and
remove_mdparts(), check if the swap tools are available, retest with
/dev/md/pedtest99, msdos disk label, and the first partition as swap.

Signed-off-by: Sebastian Parschauer <sparschauer@suse.de>
---
 tests/t6100-mdraid-partitions.sh | 62 +++++++++++++++++++++++++++++++++++-----
 1 file changed, 55 insertions(+), 7 deletions(-)

Index: parted-3.3/tests/t6100-mdraid-partitions.sh
===================================================================
--- parted-3.3.orig/tests/t6100-mdraid-partitions.sh
+++ parted-3.3/tests/t6100-mdraid-partitions.sh
@@ -21,6 +21,7 @@
 require_root_
 require_scsi_debug_module_
 require_mdadm_
+require_swap_
 
 # create memory-backed device
 scsi_debug_setup_ dev_size_mb=10 > dev-name ||
@@ -40,14 +41,28 @@ parted -s "$scsi_dev" mklabel gpt \
 compare /dev/null out || fail=1
 wait_for_dev_to_appear_ ${scsi_dev}2 || { fail=1; cat /proc/partitions; }
 
+create_mddev() {
+  # create mdraid on top of both partitions
+  mdadm -C $md_dev -e0 --force -R -l1 -n2 "${scsi_dev}1" "${scsi_dev}2"
+  wait_for_dev_to_appear_ ${md_dev} || { fail=1; cat /proc/partitions; }
+}
+
 cleanup_fn_() {
   # stop mdraid array
   mdadm -S $md_dev || warn_ "Failed to stop MD array, $md_dev"
 }
 
-# create mdraid on top of both partitions with v0.90 metadata
-mdadm -C $md_dev -e0 --force -R -l1 -n2 "${scsi_dev}1" "${scsi_dev}2"
-wait_for_dev_to_appear_ ${md_dev} || { fail=1; cat /proc/partitions; }
+remove_mdparts() {
+  # Remove partitions from the raid device.
+  parted -s $md_dev rm 2 rm 1 > out 2>&1 || fail=1
+  compare /dev/null out || fail=1
+
+  # Verify that kernel has been informed about those removals.
+  wait_for_dev_to_disappear_ ${md_dev}p1 2 || { fail=1; cat /proc/partitions; }
+  wait_for_dev_to_disappear_ ${md_dev}p2 2 || { fail=1; cat /proc/partitions; }
+}
+
+create_mddev
 
 # create gpt and two partitions on the raid device
 parted -s $md_dev mklabel gpt \
@@ -58,12 +73,45 @@ compare /dev/null out || fail=1
 # Verify that kernel has been informed about the second device.
 wait_for_dev_to_appear_ ${md_dev}p2 || { fail=1; cat /proc/partitions; }
 
-# Remove partitions from the raid device.
-parted -s $md_dev rm 2 rm 1 > out 2>&1 || fail=1
+remove_mdparts
+
+########################################################################
+# Second part with /dev/md/ symlink, msdos label and busy swap partition
+
+cleanup_fn_
+
+# Arbitrary name, not likely to be used already
+md_name=pedtest99
+md_dev=/dev/md/$md_name
+
+test -b $md_dev && skip_ "$md_dev already exists"
+
+create_mddev
+
+# create msdos and one partition on the raid device
+parted -s $md_dev mklabel msdos \
+    mkpart primary ext2 1M 2M > out 2>&1 || fail=1
+compare /dev/null out || fail=1
+
+# Verify that kernel has been informed about the device.
+wait_for_dev_to_appear_ ${md_dev}p1 || { fail=1; cat /proc/partitions; }
+
+# Create swap filesystem
+mkswap -f ${md_dev}p1 || fail=1
+
+# Use as swap to make it busy
+swapon ${md_dev}p1 || fail=1
+
+# create msdos and one partition on the raid device
+parted -s $md_dev mkpart primary ext2 2M 3M > out 2>&1 || fail=1
 compare /dev/null out || fail=1
 
-# Verify that kernel has been informed about those removals.
-wait_for_dev_to_disappear_ ${md_dev}p1 2 || { fail=1; cat /proc/partitions; }
-wait_for_dev_to_disappear_ ${md_dev}p2 2 || { fail=1; cat /proc/partitions; }
+# Verify that kernel has been informed about the second device.
+wait_for_dev_to_appear_ ${md_dev}p2 || { fail=1; cat /proc/partitions; }
+
+# Disable swap again
+swapoff ${md_dev}p1 || warn_ "Failed to disable swap on ${md_dev}p1"
+
+remove_mdparts
 
 Exit $fail

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File tests-add-dev-md-check-to-t6100.patch of Package parted (Revision cf9d138d47259d7263e619cb3caee05a)

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