Re: [PATCH] FAT: optimize FSINFO writeback

[OGAWA Hirofumi]

"Steven J. Magnani" <steve@xxxxxxxxxxxxxxx> writes:

>> Well, now, we are using sb->s_dirty for fsinfo, so I'm wondering why
>> this happen frequently.
>
> My scenario was modifying a sector of an existing file and using
> fdatasync() to flush it. The FSINFO sector was being updated even though
> nothing about the FAT layout had changed.

I see. Probably, I'm missing something, or handling of sb->s_dirt may be
buggy, or something.

If it was fixed, is this patch still needed?  I guess this patch would
still be useful on some case though.  If you can explain, it would be
good.

Thanks.
-- 
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/