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sys/fs/tmpfs/vnd_test: make md(4) allocation dynamic

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The previous logic was flawed in the sense that it assumed that /dev/md3
was always available. This was a caveat I noted in r306038, that I hadn't
gotten around to solving before now.

Cache the device for the mountpoint after executing mdmfs, then use the
cached value in basic_cleanup(..) when unmounting/disconnecting the md(4)
device.

Apply sed expressions to use reuse logic in the NetBSD code that could
also be applied to FreeBSD, just with different tools.

Differential Revision:	D10766
MFC after:	1 week
Reviewed by:	bdrewery
Sponsored by:	Dell EMC Isilon
This commit is contained in:
Enji Cooper 2017-05-19 17:14:29 +00:00
parent 56ba774ebc
commit 99429157e8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=318546
2 changed files with 19 additions and 17 deletions
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33
contrib/netbsd-tests/fs/tmpfs/t_vnd.sh
View File

@ -28,6 +28,10 @@
# Verifies that vnd works with files stored in tmpfs.
#
# Begin FreeBSD
MD_DEVICE_FILE=md.device
# End FreeBSD
atf_test_case basic cleanup
basic_head() {
atf_set "descr" "Verifies that vnd works with files stored in tmpfs"
@ -41,7 +45,10 @@ basic_body() {
# Begin FreeBSD
if true; then
atf_check -s eq:0 -o empty -e empty mkdir mnt
atf_check -s eq:0 -o empty -e empty mdmfs -F disk.img md3 mnt
atf_check -s eq:0 -o empty -e empty mdmfs -F disk.img md mnt
md_dev=$(df mnt | awk 'NR != 1 { print $1 }' | xargs basename)
atf_check test -c /dev/$md_dev # Sanity check
echo -n $md_dev > $TMPDIR/$MD_DEVICE_FILE
else
# End FreeBSD
atf_check -s eq:0 -o empty -e empty vndconfig /dev/vnd3 disk.img
@ -67,31 +74,23 @@ basic_body() {
done
atf_check -s eq:0 -o empty -e empty umount mnt
# Begin FreeBSD
if true; then
atf_check -s eq:0 -o empty -e empty mdconfig -d -u 3
else
# End FreeBSD
atf_check -s eq:0 -o empty -e empty vndconfig -u /dev/vnd3
# Begin FreeBSD
fi
# End FreeBSD
test_unmount
touch done
}
basic_cleanup() {
# Begin FreeBSD
if md_dev=$(cat $TMPDIR/$MD_DEVICE_FILE); then
echo "Will try disconnecting $md_dev"
else
echo "$MD_DEVICE_FILE doesn't exist in $TMPDIR; returning early"
return 0
fi
# End FreeBSD
if [ ! -f done ]; then
umount mnt 2>/dev/null 1>&2
# Begin FreeBSD
if true; then
[ ! -c /dev/md3 ] || mdconfig -d -u 3
else
# End FreeBSD
vndconfig -u /dev/vnd3 2>/dev/null 1>&2
# Begin FreeBSD
fi
# End FreeBSD
fi
}

3
tests/sys/fs/tmpfs/Makefile
View File

@ -54,6 +54,9 @@ ATF_TESTS_SH_SED_mount_test= \
ATF_TESTS_SH_SED_readdir_test= -e 's,mknod fifo p,mkfifo fifo,g'
ATF_TESTS_SH_SED_sizes_test= -e 's,-o -s,-o size=,g'
ATF_TESTS_SH_SED_statvfs_test= -e 's,-o -s,-o size=,g'
ATF_TESTS_SH_SED_vnd_test= \
-e 's,vndconfig -u /dev/vnd3,mdconfig -d -u $$md_dev,g' \
-e 's,/dev/vnd3,/dev/$$md_dev,g'
ATF_TESTS_SH_SED_vnode_leak_test= -e 's,-o -s,-o size=,g'
.include <netbsd-tests.test.mk>