From bae7c41a5126c56da4ee77bce39955036fca8b5f Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Tue, 2 Mar 2021 16:31:39 -0600
Subject: [PATCH 2/5] copy: Nicer sort

Tell sort where the numbers live, so we can get columns in ascending
numeric order.  Improves 8b20bbd329.
---
 copy/copy-sparse-no-extents.sh   | 12 ++++++------
 copy/copy-sparse-request-size.sh | 20 ++++++++++----------
 copy/copy-sparse.sh              | 18 +++++++++---------
 3 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/copy/copy-sparse-no-extents.sh b/copy/copy-sparse-no-extents.sh
index cdc132b..4dc5c88 100755
--- a/copy/copy-sparse-no-extents.sh
+++ b/copy/copy-sparse-no-extents.sh
@@ -50,22 +50,21 @@ $VG nbdcopy --no-extents -S 0 -- \
              trim=" echo \$@ >> $out " \
              zero=" echo \$@ >> $out " ]
 
-sort -n -o $out $out
+LC_ALL=C sort -k1,1 -k2,2n -k3,3n -o $out $out
 
 echo Output:
 cat $out
 
 if [ "$(cat $out)" != "pwrite 33554432 0
+pwrite 33554432 33554432
+pwrite 33554432 67108864
 pwrite 33554432 100663296
-pwrite 33554432 1006632960
-pwrite 33554432 1040187392
 pwrite 33554432 134217728
 pwrite 33554432 167772160
 pwrite 33554432 201326592
 pwrite 33554432 234881024
 pwrite 33554432 268435456
 pwrite 33554432 301989888
-pwrite 33554432 33554432
 pwrite 33554432 335544320
 pwrite 33554432 369098752
 pwrite 33554432 402653184
@@ -76,7 +75,6 @@ pwrite 33554432 536870912
 pwrite 33554432 570425344
 pwrite 33554432 603979776
 pwrite 33554432 637534208
-pwrite 33554432 67108864
 pwrite 33554432 671088640
 pwrite 33554432 704643072
 pwrite 33554432 738197504
@@ -86,7 +84,9 @@ pwrite 33554432 838860800
 pwrite 33554432 872415232
 pwrite 33554432 905969664
 pwrite 33554432 939524096
-pwrite 33554432 973078528" ]; then
+pwrite 33554432 973078528
+pwrite 33554432 1006632960
+pwrite 33554432 1040187392" ]; then
     echo "$0: output does not match expected"
     exit 1
 fi
diff --git a/copy/copy-sparse-request-size.sh b/copy/copy-sparse-request-size.sh
index f2e2b61..78a066a 100755
--- a/copy/copy-sparse-request-size.sh
+++ b/copy/copy-sparse-request-size.sh
@@ -50,13 +50,21 @@ $VG nbdcopy --no-extents -S 0 --request-size=1048576 -- \
              trim=" echo \$@ >> $out " \
              zero=" echo \$@ >> $out " ]
 
-LC_ALL=C sort -n -o $out $out
+LC_ALL=C sort -k1,1 -k2,2n -k3,3n -o $out $out
 
 echo Output:
 cat $out
 
 if [ "$(cat $out)" != "pwrite 1048576 0
 pwrite 1048576 1048576
+pwrite 1048576 2097152
+pwrite 1048576 3145728
+pwrite 1048576 4194304
+pwrite 1048576 5242880
+pwrite 1048576 6291456
+pwrite 1048576 7340032
+pwrite 1048576 8388608
+pwrite 1048576 9437184
 pwrite 1048576 10485760
 pwrite 1048576 11534336
 pwrite 1048576 12582912
@@ -67,7 +75,6 @@ pwrite 1048576 16777216
 pwrite 1048576 17825792
 pwrite 1048576 18874368
 pwrite 1048576 19922944
-pwrite 1048576 2097152
 pwrite 1048576 20971520
 pwrite 1048576 22020096
 pwrite 1048576 23068672
@@ -78,15 +85,8 @@ pwrite 1048576 27262976
 pwrite 1048576 28311552
 pwrite 1048576 29360128
 pwrite 1048576 30408704
-pwrite 1048576 3145728
 pwrite 1048576 31457280
-pwrite 1048576 32505856
-pwrite 1048576 4194304
-pwrite 1048576 5242880
-pwrite 1048576 6291456
-pwrite 1048576 7340032
-pwrite 1048576 8388608
-pwrite 1048576 9437184" ]; then
+pwrite 1048576 32505856" ]; then
     echo "$0: output does not match expected"
     exit 1
 fi
diff --git a/copy/copy-sparse.sh b/copy/copy-sparse.sh
index 5f12bad..1a6da86 100755
--- a/copy/copy-sparse.sh
+++ b/copy/copy-sparse.sh
@@ -50,7 +50,7 @@ $VG nbdcopy -S 0 -- \
 
 # Order of the output could vary because requests are sent in
 # parallel.
-LC_ALL=C sort -n -o $out $out
+LC_ALL=C sort -k1,1 -k2,2n -k3,3n -o $out $out
 
 echo Output:
 cat $out
@@ -61,11 +61,16 @@ pwrite 32768 0
 pwrite 32768 1073709056
 pwrite 32768 4294934528
 zero 134184960 32768 may_trim
-zero 134184960 4160749568 may_trim
 zero 134184960 939524096 may_trim
+zero 134184960 4160749568 may_trim
+zero 134217728 134217728 may_trim
+zero 134217728 268435456 may_trim
+zero 134217728 402653184 may_trim
+zero 134217728 536870912 may_trim
+zero 134217728 671088640 may_trim
+zero 134217728 805306368 may_trim
 zero 134217728 1073741824 may_trim
 zero 134217728 1207959552 may_trim
-zero 134217728 134217728 may_trim
 zero 134217728 1342177280 may_trim
 zero 134217728 1476395008 may_trim
 zero 134217728 1610612736 may_trim
@@ -76,7 +81,6 @@ zero 134217728 2147483648 may_trim
 zero 134217728 2281701376 may_trim
 zero 134217728 2415919104 may_trim
 zero 134217728 2550136832 may_trim
-zero 134217728 268435456 may_trim
 zero 134217728 2684354560 may_trim
 zero 134217728 2818572288 may_trim
 zero 134217728 2952790016 may_trim
@@ -87,11 +91,7 @@ zero 134217728 3489660928 may_trim
 zero 134217728 3623878656 may_trim
 zero 134217728 3758096384 may_trim
 zero 134217728 3892314112 may_trim
-zero 134217728 402653184 may_trim
-zero 134217728 4026531840 may_trim
-zero 134217728 536870912 may_trim
-zero 134217728 671088640 may_trim
-zero 134217728 805306368 may_trim" ]; then
+zero 134217728 4026531840 may_trim" ]; then
     echo "$0: output does not match expected"
     exit 1
 fi
-- 
2.29.0.rc2