[PATCH 2/2 V3] xfstests: test EROFS vs. EEXIST when creating on an RO filesystem

[Ben Myers]

Hey Eric,

On Wed, Jan 09, 2013 at 10:17:59AM -0600, Eric Sandeen wrote:
> TBH, I don't know if this is posix-specified, but I found out the
> hard way that when trying to re-create existing files on a readonly 
> filesystem, some apps expect/handle EEXIST, but fail on EROFS.
> 
> This will test mkdir, mknod, and symlinks for that behavior.
> 
> Signed-off-by: Eric Sandeen <sandeen at redhat.com>
> ---
> 
> V2: Change test dir var name, do scratch mkfs, drop _fail
> V3: Use common _filter_ln

...

> diff --git a/293 b/293
> new file mode 100755
> index 0000000..9013f9a
> --- /dev/null
> +++ b/293
> @@ -0,0 +1,73 @@

...

> +_create_files()
> +{
> +	mknod $THIS_TEST_DIR/testnode c 1 3
> +	mkdir $THIS_TEST_DIR/testdir
> +	touch $THIS_TEST_DIR/testtarget
> +	ln -s $THIS_TEST_DIR/testtarget $THIS_TEST_DIR/testlink | _filter_ln
							       ^ Added 2>&1

Applied this as test 294 and the ln filter patch, with one minor change as above.

Thanks,
	Ben