Re: [PATCH 2/9] ext4: Remove uses of FGP_NOFS

[Baokun Li <libaokun@linux.alibaba.com>]

On 2026/8/30 12:18, Matthew Wilcox (Oracle) wrote:
> Both of these locations are called while a transaction is in progress.
> Starting a transaction uses memalloc_nofs_save(), so we are already
> prevented from recursing into the filesystem and using GFP_NOFS was
> unnecessary.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

Looks good to me.

Reviewed-by: Baokun Li <libaokun@linux.alibaba.com>

> ---
>  fs/ext4/inline.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
> index ceee69a66482..1884abb09614 100644
> --- a/fs/ext4/inline.c
> +++ b/fs/ext4/inline.c
> @@ -601,9 +601,7 @@ static int ext4_convert_inline_data_to_extent(struct address_space *mapping,
>  		goto out;
>  	}
>  
> -	/* We cannot recurse into the filesystem as the transaction is already
> -	 * started */
> -	folio = __filemap_get_folio(mapping, 0, FGP_WRITEBEGIN | FGP_NOFS,
> +	folio = __filemap_get_folio(mapping, 0, FGP_WRITEBEGIN,
>  			mapping_gfp_mask(mapping));
>  	if (IS_ERR(folio)) {
>  		ret = PTR_ERR(folio);
> @@ -734,7 +732,7 @@ int ext4_generic_write_inline_data(struct address_space *mapping,
>  		goto out_release_bh;
>  	}
>  
> -	folio = __filemap_get_folio(mapping, 0, FGP_WRITEBEGIN | FGP_NOFS,
> +	folio = __filemap_get_folio(mapping, 0, FGP_WRITEBEGIN,
>  					mapping_gfp_mask(mapping));
>  	if (IS_ERR(folio)) {
>  		ret = PTR_ERR(folio);