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SubjectRe: [PATCH] let fat handle MS_SYNCHRONOUS flag
On Thu, Nov 18, 2004 at 07:49:59PM +0100, Colin Leroy wrote:
> Hi,
>
> this patch is an RFC patch not to be applied.
> It adds MS_SYNCHRONOUS support to FAT filesystem, so that less
> filesystem breakage happen when disconnecting an USB key, for
> example. I'd like to have comments about it, because as it
> seems to work fine here, I'm not used to fs drivers and could
> have made mistakes.
> Thanks,
>
> + if (bh != NULL) {
> + sync_dirty_buffer(bh);
> + brelse(bh);
> + } else {
> + BUG_ON(1);

This construct is really weird.

How about:

BUG_ON(!bh);
sync_dirty_buffer(bh);
brelse(bh);

Concept seems good, and the implementation otherwise looks good at
first glance.

--
Mathematics is the supreme nostalgia of our time.
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