Hi! > Max readahead size has been limited since commit: > commit 6d2be915e589b58cb11418cbe1f22ff90732b6ac > Author: Raghavendra K T <[email protected]> > Date: Thu Apr 3 14:48:23 2014 -0700 > mm/readahead.c: fix readahead failure for memoryless NUMA nodes > and limit readahead pages > > Update testcase to read ahead in 2M chunks, this change is > compatible with older kernels. > > Signed-off-by: Jan Stancek <[email protected]> > --- > testcases/kernel/syscalls/readahead/readahead02.c | 9 +++++++-- > 1 files changed, 7 insertions(+), 2 deletions(-) > > diff --git a/testcases/kernel/syscalls/readahead/readahead02.c > b/testcases/kernel/syscalls/readahead/readahead02.c > index 8940821..5b1524e 100644 > --- a/testcases/kernel/syscalls/readahead/readahead02.c > +++ b/testcases/kernel/syscalls/readahead/readahead02.c > @@ -213,8 +213,13 @@ static void read_testfile(int do_readahead, const char > *fname, size_t fsize, > tst_brkm(TBROK | TERRNO, cleanup, "Failed to open %s", fname); > > if (do_readahead) { > - TEST(ltp_syscall(__NR_readahead, fd, (off64_t) 0, > - (size_t) fsize)); > + /* read ahead in chunks, 2MB is maximum since 3.15-rc1 */ > + for (i = 0; i < fsize; i += 2*1024*1024) { > + TEST(ltp_syscall(__NR_readahead, fd, > + (off64_t) i, 2*1024*1024)); > + if (TEST_RETURN != 0) > + break; > + }
These two patches looks good to me. -- Cyril Hrubis [email protected] ------------------------------------------------------------------------------ "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE Instantly run your Selenium tests across 300+ browser/OS combos. Get unparalleled scalability from the best Selenium testing platform available Simple to use. Nothing to install. Get started now for free." http://p.sf.net/sfu/SauceLabs _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
