On Fri 11-05-18 09:29:40, Eryu Guan wrote: > On Thu, May 10, 2018 at 06:51:32PM +0300, Amir Goldstein wrote: > > On Thu, May 10, 2018 at 6:41 PM, Jan Kara <jack@xxxxxxx> wrote: > > > ext4 had a bug for files with indirect extents where it wrongly reported > > > a size of a hole in some cases and thus SEEK_DATA implementation could > > > skip some data in a file. Test for that. The problem is fixed by patch > > > "ext4: Fix hole length detection in ext4_ind_map_blocks()". > > > > > > Signed-off-by: Jan Kara <jack@xxxxxxx> > > > --- > > > src/seek_sanity_test.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++ > > > tests/ext4/309 | 56 +++++++++++++++++++++++++++++++++++++++ > > > tests/ext4/309.out | 1 + > > > tests/ext4/group | 1 + > > > 4 files changed, 129 insertions(+) > > > create mode 100755 tests/ext4/309 > > > create mode 100644 tests/ext4/309.out > > > > > > Note that I'm adding new tests to a common test program src/seek_sanity_test > > > but I only use them from ext4 specific test as the offsets are pretty ext4 > > > specific and so I don't see any use in making this run for all other > > > filesystems. If people think it should be done differently, please speak up. > > > > I think its a very quick test and it deserves to be in generic. > > Even thought the numbers are computed for ext4, the test is generic > > enough to run on all fs. > > Agreed. OK, will do. > > > --- /dev/null > > > +++ b/tests/ext4/309 > > > @@ -0,0 +1,56 @@ > > > +#! /bin/bash > > > +# FS QA Test No. 309 > > > +# > > > +# SEEK_DATA sanity tests. > > > > Please mention this is a regression test for ext4 bug fix > > with commit id. > > And it'd be good to have some more descriptive information on what the > test actually exercises here. OK, I'll improve that. Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR