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[v2,0/2] fstests: test reads/writes from hugepages-backed buffers

Message ID 20241227193311.1799626-1-joannelkoong@gmail.com (mailing list archive)
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Series fstests: test reads/writes from hugepages-backed buffers | expand

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Joanne Koong Dec. 27, 2024, 7:33 p.m. UTC 
There was a recent bug in rc1 [1] that was due to faulty handling for
userspace buffers backed by hugepages.

This patchset adds generic tests for reads/writes from buffers backed by
hugepages.

[1] https://lore.kernel.org/linux-fsdevel/p3iss6hssbvtdutnwmuddvdadubrhfkdoosgmbewvo674f7f3y@cwnwffjqltzw/

Changelog:
v1: https://lore.kernel.org/linux-fsdevel/20241218210122.3809198-1-joannelkoong@gmail.com/
- Refactor out buffer initialization (Brian)
- Update commit messages of 1st patch (Brian)
- Use << 10 instead of * 1024 (Nirjhar)
- Replace CONFIG_TRANSPARENT_HUGEPAGE check with checking
  'sys/kernel/mm/transparent_hugepage/' (Darrick)
- Integrate readbdy and writebdy options 
- Update options of generic/759 to include psize/bsize

Joanne Koong (2):
  fsx: support reads/writes from buffers backed by hugepages
  generic: add tests for read/writes from hugepages-backed buffers

 common/rc             |  13 +++++
 ltp/fsx.c             | 108 +++++++++++++++++++++++++++++++++++++-----
 tests/generic/758     |  22 +++++++++
 tests/generic/758.out |   4 ++
 tests/generic/759     |  26 ++++++++++
 tests/generic/759.out |   4 ++
 6 files changed, 166 insertions(+), 11 deletions(-)
 create mode 100755 tests/generic/758
 create mode 100644 tests/generic/758.out
 create mode 100755 tests/generic/759
 create mode 100644 tests/generic/759.out