Re: [f2fs-dev] [PATCH] f2fs: do not support mmap write for large folio

Daeho Jeong
2026-04-06T15:58:16Z

On Mon, Apr 6, 2026 at 8:56 AM Jaegeuk Kim via Linux-f2fs-devel
<linux-f2fs-devel@lists.sourceforge.net> wrote:
>
> Let's check mmmap writes onto the large folio.

typo? mmap?

>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> ---
> 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 2c4880f24b54..edfc3a374c40 100644
> --- a/fs/f2fs/file.c
> +++ b/fs/f2fs/file.c
> @@ -82,7 +82,7 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
> int err = 0;
> vm_fault_t ret;
>
> - if (unlikely(IS_IMMUTABLE(inode)))

Did you remove this intentionally?

> + if (mapping_large_folio_support(inode->i_mapping))
> return VM_FAULT_SIGBUS;
>
> if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
> --
> 2.53.0.1213.gd9a14994de-goog
>
>
>
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