git: 24458c243162 - main - mdconfig_test: determine page size at run time rather than assuming 4k

The branch main has been updated by chs:

URL: https://cgit.FreeBSD.org/src/commit/?id=24458c243162db4170ba9404d7cb5411af09ab31

commit 24458c243162db4170ba9404d7cb5411af09ab31
Author:     Chuck Silvers <chs@FreeBSD.org>
AuthorDate: 2025-10-13 16:07:43 +0000
Commit:     Chuck Silvers <chs@FreeBSD.org>
CommitDate: 2025-10-13 16:07:43 +0000

    mdconfig_test: determine page size at run time rather than assuming 4k
    
    Sponsored by:   Netflix
    Reviewed by:    imp
    Differential Revision:  https://reviews.freebsd.org/D52736
---
 sbin/mdconfig/tests/mdconfig_test.sh | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/sbin/mdconfig/tests/mdconfig_test.sh b/sbin/mdconfig/tests/mdconfig_test.sh
index ea87ff5d542d..cc29c188cbd8 100755
--- a/sbin/mdconfig/tests/mdconfig_test.sh
+++ b/sbin/mdconfig/tests/mdconfig_test.sh
@@ -274,22 +274,23 @@ attach_size_rounddown()
 attach_size_rounddown_body()
 {
 	local md
-	local ss=8192
-	local ms=$(($ss + 4096))
-	local ms2=$((2 * $ss + 4096))
+	local pgsz=$(pagesize)
+	local ss=$(($pgsz * 2))
+	local ms=$(($ss + $pgsz))
+	local ms2=$((2 * $ss + $pgsz))
 
-	# Use a sector size that's a likely multiple of PAGE_SIZE, as md(4)
+	# Use a sector size that's a multiple of the kernel page size, as md(4)
 	# expects that for swap MDs.
 	atf_check -s exit:0 -o save:mdconfig.out -e empty \
 	    -x "mdconfig -a -t swap -S $ss -s ${ms}b"
 	md=$(cat mdconfig.out)
-	# 12288 bytes should be rounded down to one sector.
-	check_diskinfo "$md" 8192 1 $ss
+	# one sector plus one page should be rounded down to one sector.
+	check_diskinfo "$md" $ss 1 $ss
 
 	# Resize and verify that the new size was also rounded down.
 	atf_check -s exit:0 -o empty -e empty \
 	    -x "mdconfig -r -u ${md#md} -s ${ms2}b"
-	check_diskinfo "$md" 16384 2 $ss
+	check_diskinfo "$md" $((2 * $ss)) 2 $ss
 }
 attach_size_rounddown_cleanup()
 {