https://bugs.gentoo.org/914791
https://github.com/util-linux/util-linux/issues/2249
https://github.com/util-linux/util-linux/pull/2251

From 8b36444f447949c3ab477f2c43b45a94c30ee7bf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de>
Date: Sun, 21 May 2023 21:42:14 +0200
Subject: [PATCH 1/4] fadvise: (test) dynamically calculate expected test
 values
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---
 tests/ts/fadvise/drop | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/tests/ts/fadvise/drop b/tests/ts/fadvise/drop
index 7c7eee5dc2..86c0d5b0a3 100755
--- a/tests/ts/fadvise/drop
+++ b/tests/ts/fadvise/drop
@@ -16,7 +16,7 @@ ts_check_prog "sleep"
 ts_cd "$TS_OUTDIR"
 
 FILE="ddtest"
-BS=4k
+BS=4096
 COUNT=8
 
 FILE_FS="$("$TS_CMD_FINDMNT" -nr -o FSTYPE -T "$PWD")"
@@ -41,22 +41,22 @@ create_file() {
     echo
 
     create_file
-    echo "offset: 8192"
-    "$TS_CMD_FADVISE" -o 8192 "$FILE"
+    echo "offset: $(( 2 * $BS ))"
+    "$TS_CMD_FADVISE" -o $(( 2 * $BS )) "$FILE"
     echo status: $?
     "$TS_CMD_FINCORE" "$FILE"
     echo
 
     create_file
-    echo "length: 16384"
-    "$TS_CMD_FADVISE" -l 16384 "$FILE"
+    echo "length: $(( 4 * $BS ))"
+    "$TS_CMD_FADVISE" -l $(( 4 * $BS )) "$FILE"
     echo status: $?
     "$TS_CMD_FINCORE" "$FILE"
     echo
 
     create_file
-    echo "offset: 8192, length: 16384 fd: 42"
-    "$TS_CMD_FADVISE" -o 8192 -l 16384 --fd 42 42<"$FILE"
+    echo "offset: $(( 2 * $BS )), length: $(( 4 * $BS )) fd: 42"
+    "$TS_CMD_FADVISE" -o $(( 2 * $BS )) -l $(( 4 * $BS )) --fd 42 42<"$FILE"
     echo status: $?
     "$TS_CMD_FINCORE" "$FILE"
     echo

From e5009e773fc801eca887dd43b721cd1b1aa327be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de>
Date: Sun, 21 May 2023 21:43:38 +0200
Subject: [PATCH 2/4] fadvise: (tests) factor out calls to "fincore"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This will make it easier to pass argument later.

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---
 tests/ts/fadvise/drop | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/tests/ts/fadvise/drop b/tests/ts/fadvise/drop
index 86c0d5b0a3..8869b7da4d 100755
--- a/tests/ts/fadvise/drop
+++ b/tests/ts/fadvise/drop
@@ -28,37 +28,41 @@ create_file() {
     dd if=/dev/zero of="$FILE" bs=$BS count=$COUNT conv=fsync >& /dev/null
 }
 
+do_fincore() {
+    "$TS_CMD_FINCORE" "$FILE"
+}
+
 {
     create_file
-    "$TS_CMD_FINCORE" "$FILE"
+    do_fincore
     echo
 
     create_file
     echo "whole file"
     "$TS_CMD_FADVISE" "$FILE"
     echo status: $?
-    "$TS_CMD_FINCORE" "$FILE"
+    do_fincore
     echo
 
     create_file
     echo "offset: $(( 2 * $BS ))"
     "$TS_CMD_FADVISE" -o $(( 2 * $BS )) "$FILE"
     echo status: $?
-    "$TS_CMD_FINCORE" "$FILE"
+    do_fincore
     echo
 
     create_file
     echo "length: $(( 4 * $BS ))"
     "$TS_CMD_FADVISE" -l $(( 4 * $BS )) "$FILE"
     echo status: $?
-    "$TS_CMD_FINCORE" "$FILE"
+    do_fincore
     echo
 
     create_file
     echo "offset: $(( 2 * $BS )), length: $(( 4 * $BS )) fd: 42"
     "$TS_CMD_FADVISE" -o $(( 2 * $BS )) -l $(( 4 * $BS )) --fd 42 42<"$FILE"
     echo status: $?
-    "$TS_CMD_FINCORE" "$FILE"
+    do_fincore
     echo
 
     rm "$FILE"

From 33980996d0b429fc59c40f8352633c0a21a0f96a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de>
Date: Sun, 21 May 2023 21:44:20 +0200
Subject: [PATCH 3/4] fadvise: (test) don't compare fincore page counts
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

These depend on the machines pagesize and are therefore not a good
comparision.

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---
 tests/expected/fadvise/drop | 20 ++++++++++----------
 tests/ts/fadvise/drop       |  2 +-
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/tests/expected/fadvise/drop b/tests/expected/fadvise/drop
index f2360b56fb..25f23e050a 100644
--- a/tests/expected/fadvise/drop
+++ b/tests/expected/fadvise/drop
@@ -1,23 +1,23 @@
-  RES PAGES SIZE FILE
-  32K     8  32K ddtest
+  RES SIZE FILE
+  32K  32K ddtest
 
 whole file
 status: 0
-RES PAGES SIZE FILE
- 0B     0  32K ddtest
+RES SIZE FILE
+ 0B  32K ddtest
 
 offset: 8192
 status: 0
-RES PAGES SIZE FILE
- 8K     2  32K ddtest
+RES SIZE FILE
+ 8K  32K ddtest
 
 length: 16384
 status: 0
-  RES PAGES SIZE FILE
-  16K     4  32K ddtest
+  RES SIZE FILE
+  16K  32K ddtest
 
 offset: 8192, length: 16384 fd: 42
 status: 0
-  RES PAGES SIZE FILE
-  16K     4  32K ddtest
+  RES SIZE FILE
+  16K  32K ddtest
 
diff --git a/tests/ts/fadvise/drop b/tests/ts/fadvise/drop
index 8869b7da4d..6c4298e872 100755
--- a/tests/ts/fadvise/drop
+++ b/tests/ts/fadvise/drop
@@ -29,7 +29,7 @@ create_file() {
 }
 
 do_fincore() {
-    "$TS_CMD_FINCORE" "$FILE"
+    "$TS_CMD_FINCORE" -o RES,SIZE,FILE "$FILE"
 }
 
 {

From c0f31b79f5d1c665cdc057fb32f4d161d28aa5b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de>
Date: Sun, 21 May 2023 21:45:10 +0200
Subject: [PATCH 4/4] fadvise: (test) test with 64k blocks
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This will allow the tests to also pass on systems with 64k pagesizes.

Closes #2249
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---
 tests/expected/fadvise/drop | 26 +++++++++++++-------------
 tests/ts/fadvise/drop       |  2 +-
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/tests/expected/fadvise/drop b/tests/expected/fadvise/drop
index 25f23e050a..e7bb26b6e2 100644
--- a/tests/expected/fadvise/drop
+++ b/tests/expected/fadvise/drop
@@ -1,23 +1,23 @@
-  RES SIZE FILE
-  32K  32K ddtest
+  RES  SIZE FILE
+ 512K  512K ddtest
 
 whole file
 status: 0
-RES SIZE FILE
- 0B  32K ddtest
+RES  SIZE FILE
+ 0B  512K ddtest
 
-offset: 8192
+offset: 131072
 status: 0
-RES SIZE FILE
- 8K  32K ddtest
+  RES  SIZE FILE
+ 128K  512K ddtest
 
-length: 16384
+length: 262144
 status: 0
-  RES SIZE FILE
-  16K  32K ddtest
+  RES  SIZE FILE
+ 256K  512K ddtest
 
-offset: 8192, length: 16384 fd: 42
+offset: 131072, length: 262144 fd: 42
 status: 0
-  RES SIZE FILE
-  16K  32K ddtest
+  RES  SIZE FILE
+ 256K  512K ddtest
 
diff --git a/tests/ts/fadvise/drop b/tests/ts/fadvise/drop
index 6c4298e872..45dcb9110b 100755
--- a/tests/ts/fadvise/drop
+++ b/tests/ts/fadvise/drop
@@ -16,7 +16,7 @@ ts_check_prog "sleep"
 ts_cd "$TS_OUTDIR"
 
 FILE="ddtest"
-BS=4096
+BS=65536
 COUNT=8
 
 FILE_FS="$("$TS_CMD_FINDMNT" -nr -o FSTYPE -T "$PWD")"