On Tue, Jan 24, 2017 at 03:28:55PM -0700, Ross Zwisler wrote: > On Fri, Jan 20, 2017 at 02:15:48PM +0800, Xiong Zhou wrote: > > common/rc : requires SCRATCH_DEV support DAX > > src/t_mmap_dio.c : intro mmap and O_DIRECT rw through files > > tests/generic/405 : IO between DAX/non-DAX mountpoints > > tests/xfs/138 : IO between DAX/non-DAX xfs files(per-inode flag) > > > > v2 : > > Merge helper function changes into the first patch; > > Rewrite _require_dax, check options for sure; > > Print msg in t_mmap_dio.c to show which test going wrong; > > Empty mount options and check after mount to ensure we > > wont mount with wrong option; > > Remove unnecessary leading underscore and _fail; > > Use xfs_io instead of dd; > > Other minor fixes. > > > > v3: > > close fds in C test programme for clean up. > > > > v4: > > Test both buffered and O_DIRECT IO; > > Fix arg numbers in C test programme; > > Fix fs options check after mount. > > Cc Jeff Moyer since this test is based on his code. > > (Sorry for the late cc!) > > > > Test status: > > Both cases not run on normal block device; > > Both cases PASS on ramdisk based pmem devices; > > DIO in both cases FAIL on brd based ramdisk with: > > DIO in both cases FAIL on nvdimm devices with: > > +write(Bad address) len 1024 dio dax to nondax > > +write(Bad address) len 4096 dio dax to nondax > > +write(Bad address) len 16777216 dio dax to nondax > > +write(Bad address) len 67108864 dio dax to nondax > > > > I've reported this to nvdimm list. > > https://lists.01.org/pipermail/linux-nvdimm/2017-January/008600.html > > > > Xiong Zhou (2): > > xfs: test per-inode DAX flag by IO > > generic: test mmap io through DAX and non-DAX > > > > .gitignore | 1 + > > common/rc | 13 ++++++ > > src/Makefile | 2 +- > > src/t_mmap_dio.c | 105 ++++++++++++++++++++++++++++++++++++++++++++ > > tests/generic/405 | 119 ++++++++++++++++++++++++++++++++++++++++++++++++++ > > tests/generic/405.out | 2 + > > tests/generic/group | 1 + > > tests/xfs/138 | 116 ++++++++++++++++++++++++++++++++++++++++++++++++ > > tests/xfs/138.out | 2 + > > tests/xfs/group | 1 + > > 10 files changed, 361 insertions(+), 1 deletion(-) > > create mode 100644 src/t_mmap_dio.c > > create mode 100755 tests/generic/405 > > create mode 100644 tests/generic/405.out > > create mode 100755 tests/xfs/138 > > create mode 100644 tests/xfs/138.out > > > > -- > > 1.8.3.1 > > I just wanted to let you know that I'm testing with these new xfstests right > now, and so far I've been unable to successfully get any PMD faults. I'm > looking into why that is right now, and should hopefully have some changes so > we can do both PTE and PMD testing with this set. Thank you very much for looking into this! Adding a printk msg in dax_iomap_pmd_fault in fs/dax.c shows that these 2 cases called this function, so do __radix_tree_insert in lib/radix-tree.c with order > 0. I must have missed something.. > > Also, it looks like the test number "generic/405" was already used in > xfstests/master by this commit: > > 66768bc generic/405: test mkfs against thin provision device > > So this may need to be generic/406. :) Ya, i can update this or Eryu can handle it while applying. Thanks, Xiong -- To unsubscribe from this list: send the line "unsubscribe fstests" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
