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SubjectRe: [PATCH] UDF - use UDF_MAX_WRITE_VERSION instead of numbers
On Sat, Apr 12, 2008 at 11:40:08PM +0400, Cyrill Gorcunov wrote:
> Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
> ---
>
> Jan, the patch is over current yours for_mm branch
>
> Yep, i know it exceeds 80 column *but* it looks much better
> in this way ;)
>
> Index: linux-2.6.git/fs/udf/inode.c
> ===================================================================
> --- linux-2.6.git.orig/fs/udf/inode.c 2008-04-12 22:53:15.000000000 +0400
> +++ linux-2.6.git/fs/udf/inode.c 2008-04-12 23:34:28.000000000 +0400
> @@ -1732,7 +1732,7 @@ int8_t udf_add_aext(struct inode *inode,
> }
> if (epos->bh) {
> if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
> - UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
> + UDF_SB(inode->i_sb)->s_udfrev >= UDF_MAX_WRITE_VERSION)
> udf_update_tag(epos->bh->b_data, loffset);
> else
> udf_update_tag(epos->bh->b_data,
I think this patch is wrong. Right now it doesn't change anything, but in future
when someone will add support for writing UDF > 2.01 (and bump UDF_MAX_WRITE_VERSION)
it will break for filesystems written with udfrev >= 2.01 && udfrev < UDF_MAX_WRITE_VERSION.

Marcin


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