File iotests-Provide-a-function-for-checking-.patch of Package qemu.20153

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File iotests-Provide-a-function-for-checking-.patch of Package qemu.20153

From: Thomas Huth <thuth@redhat.com>
Date: Wed, 4 Dec 2019 16:46:12 +0100
Subject: iotests: Provide a function for checking the creation of huge files
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Git-commit: 30729ae93b7e123e472a2d42792134ae39bf9df0

Some tests create huge (but sparse) files, and to be able to run those
tests in certain limited environments (like CI containers), we have to
check for the possibility to create such files first. Thus let's introduce
a common function to check for large files, and replace the already
existing checks in the iotests 005 and 220 with this function.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191204154618.23560-2-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 tests/qemu-iotests/005       |  5 +----
 tests/qemu-iotests/220       |  6 ++----
 tests/qemu-iotests/common.rc | 10 ++++++++++
 3 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/tests/qemu-iotests/005 b/tests/qemu-iotests/005
index 58442762fe366d0f5eb9bf7a1860..b6d03ac37deabcbf6372ffb17113 100755
--- a/tests/qemu-iotests/005
+++ b/tests/qemu-iotests/005
@@ -59,10 +59,7 @@ fi
 # Sanity check: For raw, we require a file system that permits the creation
 # of a HUGE (but very sparse) file. Check we can create it before continuing.
 if [ "$IMGFMT" = "raw" ]; then
-    if ! truncate --size=5T "$TEST_IMG"; then
-        _notrun "file system on $TEST_DIR does not support large enough files"
-    fi
-    rm "$TEST_IMG"
+    _require_large_file 5T
 fi
 
 echo
diff --git a/tests/qemu-iotests/220 b/tests/qemu-iotests/220
index 2d62c5dcac2a258ed82cd4bca775..15159270d33550e4649a25fe772e 100755
--- a/tests/qemu-iotests/220
+++ b/tests/qemu-iotests/220
@@ -42,10 +42,8 @@ echo "== Creating huge file =="
 
 # Sanity check: We require a file system that permits the creation
 # of a HUGE (but very sparse) file.  tmpfs works, ext4 does not.
-if ! truncate --size=513T "$TEST_IMG"; then
-    _notrun "file system on $TEST_DIR does not support large enough files"
-fi
-rm "$TEST_IMG"
+_require_large_file 513T
+
 IMGOPTS='cluster_size=2M,refcount_bits=1' _make_test_img 513T
 
 echo "== Populating refcounts =="
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index 538eb349e69e07d2401ef9aeef2a..315a9a8a4690d68abc0eb5fa83fd 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -656,5 +656,15 @@ _require_drivers()
     done
 }
 
+# Check that we have a file system that allows huge (but very sparse) files
+#
+_require_large_file()
+{
+    if ! truncate --size="$1" "$TEST_IMG"; then
+        _notrun "file system on $TEST_DIR does not support large enough files"
+    fi
+    rm "$TEST_IMG"
+}
+
 # make sure this script returns success
 true

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File iotests-Provide-a-function-for-checking-.patch of Package qemu.20153

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