[LTP] [PATCH v2] syscalls/preadv2/preadv203: set mount_device flag

[Murphy Zhou]

On Wed, Jun 05, 2019 at 01:19:27PM +0800, Xiao Yang wrote:
> On 2019/06/05 12:42, Murphy Zhou wrote:
> > Now the tests are running in MOUNTPOINT without it mounted.
> > Fails on ext2:
> Hi Murphy,
> 
> Did you get EOPNOTSUPP when running preadv203 on ext2?

No, it's running on nfs or cifs exactly.

ext2 is the first one in all_filesystems list.. My commit msg here
is confusing. Sending v3.

> 
> It seems OK to running preadv203 on ext2, as below:
> --------------------------------------------------------
> tst_test.c:1172: INFO: Testing on ext2
> tst_mkfs.c:90: INFO: Formatting /dev/loop0 with ext2 opts='' extra opts=''
> mke2fs 1.44.3 (10-July-2018)
> tst_test.c:1111: INFO: Timeout per run is 0h 05m 00s
> preadv203.c:145: INFO: Number of full_reads 751044, short reads 10, zero
> len reads 0, EAGAIN(s) 67021
> preadv203.c:180: INFO: Number of writes 1087560
> preadv203.c:194: INFO: Cache dropped 149 times
> preadv203.c:223: PASS: Got some EAGAIN
> -------------------------------------------------------
> 
> BTW: I got EOPNOTSUPP when running preadv203 on tmpfs. :-)

Ya. Thanks for the info!

Murphy

> 
> Best Regards,
> Xiao Yang
> >     preadv203.c does not set mount_device, which makes BROK:
> >       preadv203.c:122: BROK: preadv2() failed: EOPNOTSUPP
> >
> > Signed-off-by: Murphy Zhou <jencce.kernel@gmail.com>
> > ---
> >  testcases/kernel/syscalls/preadv2/preadv203.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/testcases/kernel/syscalls/preadv2/preadv203.c b/testcases/kernel/syscalls/preadv2/preadv203.c
> > index 810d1e8db..e4f68a51b 100644
> > --- a/testcases/kernel/syscalls/preadv2/preadv203.c
> > +++ b/testcases/kernel/syscalls/preadv2/preadv203.c
> > @@ -261,6 +261,7 @@ static struct tst_test test = {
> >  	.cleanup = cleanup,
> >  	.test_all = verify_preadv2,
> >  	.mntpoint = MNTPOINT,
> > +	.mount_device = 1,
> >  	.all_filesystems = 1,
> >  	.needs_tmpdir = 1,
> >  	.needs_root = 1,
> 
> 
>