fstests: ext4: Add fast_commit related tests

This series mainly aims at adding some of those test cases for testing fast_commit. Kernel fix for Patch-1 is still under review [1].

RFC -> PATCHv1:
================
1. Patch-1 mostly remains the same.
2. Added ext4/057 & ext4/058 in the test bucket for fast_commit which are based on recent kernel fixes done by Xin Yin.

[RFC]: https://lore.kernel.org/all/b834b83720f61a6aaab11fe20c48b75007be0a46.1643642943.git.riteshh@linux.ibm.com/
[1]: https://lore.kernel.org/all/53596bdf7bd7aed66020db98d903b1653a1dbc7a.1644062450.git.riteshh@linux.ibm.com/

Ritesh Harjani (4):
ext4/056: Add fast_commit regression test causing data abort exception common/punch: Add block_size argument to _filter_fiemap_** ext4/057: Add crash test to check unwritten extents tracking with fast_commit ext4/058: Add shutdown recovery test with fast_commit

 common/punch       |  12 +++---
 tests/ext4/056     | 101 +++++++++++++++++++++++++++++++++++++++++++++
 tests/ext4/056.out |   3 ++
 tests/ext4/057     |  62 ++++++++++++++++++++++++++++
 tests/ext4/057.out |   6 +++
 tests/ext4/058     |  66 +++++++++++++++++++++++++++++
 tests/ext4/058.out |   7 ++++
 7 files changed, 252 insertions(+), 5 deletions(-)
 create mode 100755 tests/ext4/056
 create mode 100644 tests/ext4/056.out
 create mode 100755 tests/ext4/057
 create mode 100644 tests/ext4/057.out
 create mode 100755 tests/ext4/058
 create mode 100644 tests/ext4/058.out

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2.31.1