Jakob Unterwurzacher
a2b54cfccd
root_test: fix leftover loop mount
After running "make root_test" a few times df would look like this,
no good:
$ df
Filesystem 1K-blocks Used Available Use% Mounted on
[...]
/dev/loop11 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/4081611019/TestDiskFull.ext4.mnt
/dev/loop12 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/1959939106/TestDiskFull.ext4.mnt
/dev/loop13 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/2455888382/TestDiskFull.ext4.mnt
/dev/loop14 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/2002998275/TestDiskFull.ext4.mnt
/dev/loop15 8729 8525 0 100% /var/tmp/gocryptfs-test-parent-0/806736609/TestDiskFull.ext4.mnt
/dev/loop16 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/4050106930/TestDiskFull.ext4.mnt
/dev/loop17 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/1661931756/TestDiskFull.ext4.mnt
/dev/loop18 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/617990718/TestDiskFull.ext4.mnt
/dev/loop19 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/3194420338/TestDiskFull.ext4.mnt
/dev/loop20 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/2180745159/TestDiskFull.ext4.mnt
Turns out the unmount failed with EBUSY, so use lazy
unmount.