Re: [PATCH] fs/ntfs3: Keep prealloc for all types of files

[Kari Argillander <kari.argillander@gmail.com>]

On Fri, Oct 01, 2021 at 06:58:03PM +0300, Konstantin Komarov wrote:
> Fixes: xfstest generic/274

I would always hope at least couple sentence to commit message. It would
be easier if you do this in first place and I do not need to ask it
everytime. Again I'm straight away thinking why this was done this way
in a first place. There has to be reason. Was that reason totally wrong
in a first place? Does this patch has some drawbacks? Quick look it
looks it might have, but please write about it so reviewer job is little
easier and we get more meaningfull history.

This also again needs fixes tag with prober commit id as
this seems like a bug if this fix xfstests case.

> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
> ---
>  fs/ntfs3/attrib.c | 8 +-------
>  1 file changed, 1 insertion(+), 7 deletions(-)
> 
> diff --git a/fs/ntfs3/attrib.c b/fs/ntfs3/attrib.c
> index 8a00fa978f5f..e8c00dda42ad 100644
> --- a/fs/ntfs3/attrib.c
> +++ b/fs/ntfs3/attrib.c
> @@ -447,11 +447,8 @@ int attr_set_size(struct ntfs_inode *ni, enum ATTR_TYPE type,
>  again_1:
>  	align = sbi->cluster_size;
>  
> -	if (is_ext) {
> +	if (is_ext)
>  		align <<= attr_b->nres.c_unit;
> -		if (is_attr_sparsed(attr_b))
> -			keep_prealloc = false;
> -	}
>  
>  	old_valid = le64_to_cpu(attr_b->nres.valid_size);
>  	old_size = le64_to_cpu(attr_b->nres.data_size);
> @@ -461,9 +458,6 @@ int attr_set_size(struct ntfs_inode *ni, enum ATTR_TYPE type,
>  	new_alloc = (new_size + align - 1) & ~(u64)(align - 1);
>  	new_alen = new_alloc >> cluster_bits;
>  
> -	if (keep_prealloc && is_ext)
> -		keep_prealloc = false;
> -
>  	if (keep_prealloc && new_size < old_size) {
>  		attr_b->nres.data_size = cpu_to_le64(new_size);
>  		mi_b->dirty = true;
> -- 
> 2.33.0
>