Re: [f2fs-dev] [PATCH 1/2 v4] f2fs: support large folio for immutable non-compressed case

[Chao Yu <chao@kernel.org>]

On 2025/12/2 10:38, Jaegeuk Kim wrote:
> This patch enables large folio for limited case where we can get the high-order
> memory allocation. It supports the encrypted and fsverity files, which are
> essential for Android environment.
> 
> How to test:
> - dd if=/dev/zero of=/mnt/test/test bs=1G count=4
> - f2fs_io setflags immutable /mnt/test/test
> - echo 3 > /proc/sys/vm/drop_caches
>   : to reload inode with large folio
> - f2fs_io read 32 0 1024 mmap 0 0 /mnt/test/test
> 
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,