Re: [PATCH] Increase file size limit on FreeBSD UFS flavours

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On Sun, 13 May 2012 15:50:40 +0200
Vladimir '__-coder/phcoder' Serbinenko  <phcoder@xxxxxxxxx> wrote:

> Increase the file size limit on FreeBSD UFS flavours.
> 
> Signed-off-by: Vladimir Serbinenko <phcoder@xxxxxxxxx>
> 
> diff --git a/fs/ufs/super.c b/fs/ufs/super.c
> index ac8e279..7e80a68 100644
> --- a/fs/ufs/super.c
> +++ b/fs/ufs/super.c
> @@ -768,6 +768,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
>  		uspi->s_fshift = 9;
>  		uspi->s_sbsize = super_block_size = 1536;
>  		uspi->s_sbbase = 0;
> +		sb->s_maxbytes = MAX_LFS_FILESIZE;
>  		flags |= UFS_DE_44BSD | UFS_UID_44BSD | UFS_ST_44BSD | UFS_CG_44BSD;
>  		break;
>  	case UFS_MOUNT_UFSTYPE_UFS2:
> @@ -778,6 +779,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
>  		uspi->s_fshift = 9;
>  		uspi->s_sbsize = super_block_size = 1536;
>  		uspi->s_sbbase =  0;
> +		sb->s_maxbytes = MAX_LFS_FILESIZE;
>  		flags |= UFS_TYPE_UFS2 | UFS_DE_44BSD | UFS_UID_44BSD | UFS_ST_44BSD | UFS_CG_44BSD;
>  		break;
>  		

But MAX_NON_LFS exists for a reason.  Before this change, the Linux UFS
implementation had never had to deal with >4G files (I assume).

Are you telling us that the fs has been thoroughly audited and tested
with large files and that it all worked OK with no other changes?
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