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
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