Re: [f2fs-dev] [PATCH] f2fs: allows setting compress option to files which marked with FI_MMAP_FILE

[Chao Yu <chao@kernel.org>]

On 2023/5/24 19:41, Qi Han wrote:
> Allow to compress mmap files in commit e3c548323d32 ("f2fs: let's
> allow compression for mmap files"). However, we cannot set the
> compress option to the mmap file. To keep the same concept in both
> compress_modes, f2fs_ioc_set_compress_option should also allow it.
> 
> Let's remove checking mmap files in f2fs_ioc_set_compress_option so
> that we can set compress option to the mmap files.

Could you please check below patch?

https://lore.kernel.org/linux-f2fs-devel/20230529104709.2560779-1-chao@kernel.org

Thanks,

> 
> Signed-off-by: Qi Han <hanqi@vivo.com>
> ---
>   fs/f2fs/file.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> index 5ac53d2627d2..3a97b753a074 100644
> --- a/fs/f2fs/file.c
> +++ b/fs/f2fs/file.c
> @@ -3957,7 +3957,7 @@ static int f2fs_ioc_set_compress_option(struct file *filp, unsigned long arg)
>   	file_start_write(filp);
>   	inode_lock(inode);
>   
> -	if (f2fs_is_mmap_file(inode) || get_dirty_pages(inode)) {
> +	if (get_dirty_pages(inode)) {
>   		ret = -EBUSY;
>   		goto out;
>   	}


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