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@xxxxxxxxxxxxxx/
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