From d0df944db9f7cb39ece3599935c48e4fbc7e1a7c Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Sat, 22 Oct 2005 18:11:07 +0000 Subject: *** empty log message *** --- ChangeLog | 7 ++++++- tests/mkdir/writable-under-readonly | 29 +++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+), 1 deletion(-) create mode 100755 tests/mkdir/writable-under-readonly diff --git a/ChangeLog b/ChangeLog index 4bb7e1c90..096fb93dc 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,7 +1,12 @@ -2005-10-20 Jim Meyering +2005-10-22 Jim Meyering * Version 5.92-cvs. + * tests/mkdir/writable-under-readonly: New test, neither run + nor distributed via tarballs. + +2005-10-20 Jim Meyering + * tests/chmod/octal: New file/test, to exercise today's lib/modechange.c fix. * tests/chmod/Makefile.am (TESTS): Add octal. diff --git a/tests/mkdir/writable-under-readonly b/tests/mkdir/writable-under-readonly new file mode 100755 index 000000000..ab55a22a6 --- /dev/null +++ b/tests/mkdir/writable-under-readonly @@ -0,0 +1,29 @@ +#!/bin/sh +# This is just for the record. +# This test is not run. + +# Test for the 2005-10-13 patch to lib/mkdir-p.c that fixed this sort +# of bug in mkdir: +# +# "mkdir -p /a/b/c" no longer fails merely because a leading prefix +# directory (e.g., /a or /a/b) exists on a read-only file system. +# +# Demonstrate the problem, as root: + +mount='sudo mount' + +cd /tmp \ + && dd if=/dev/zero of=1 bs=8192 count=50 \ + && dd if=/dev/zero of=2 bs=8192 count=50 \ + && mkdir -p mnt-ro && mkfs -t ext2 1 && mkfs -t ext2 2 \ + && $mount -o loop=/dev/loop3 1 mnt-ro \ + && mkdir -p mnt-ro/rw \ + && $mount -o remount,ro mnt-ro \ + && $mount -o loop=/dev/loop4 2 mnt-ro/rw + +mkdir -p mnt-ro/rw/sub || fail=1 + +# To clean up +umount /tmp/2 +umount /tmp/1 +rm -rf /tmp/[12] -- cgit v1.2.3-70-g09d2