[LTP] [PATCH 6.16 000/627] 6.16.1-rc1 review

[Naresh Kamboju]

Hi Greg,

> > 2)
> >
> > The following list of LTP syscalls failure noticed on qemu-arm64 with
> > stable-rc 6.16.1-rc1 with CONFIG_ARM64_64K_PAGES=y build configuration.
> >
> > Most failures report ENOSPC (28) or mkswap errors, which may be related
> > to disk space handling in the 64K page configuration on qemu-arm64.
> >
> > The issue is reproducible on multiple runs.
> >
> > * qemu-arm64, ltp-syscalls - 64K page size test failures list,
> >
> >   - fallocate04
> >   - fallocate05
> >   - fdatasync03
> >   - fsync01
> >   - fsync04
> >   - ioctl_fiemap01
> >   - swapoff01
> >   - swapoff02
> >   - swapon01
> >   - swapon02
> >   - swapon03
> >   - sync01
> >   - sync_file_range02
> >   - syncfs01
> >
> > Reproducibility:
> >  - 64K config above listed test fails
> >  - 4K config above listed test pass.
> >
> > Regression Analysis:
> > - New regression? yes
>
> Regression from 6.16?  Or just from 6.15.y?

Based on available data, the issue is not present in v6.16 or v6.15.

Anders, bisected this regression and found,

  ext4: correct the reserved credits for extent conversion
    [ Upstream commit 95ad8ee45cdbc321c135a2db895d48b374ef0f87 ]

Report lore link,

https://lore.kernel.org/stable/CA+G9fYtBnCSa2zkaCn-oZKYz8jz5FZj0HS7DjSfMeamq3AXqNg@mail.gmail.com/

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