Re: patch: kernel changes from reiserfs

Andi Kleen (ak@suse.de)
Fri, 28 Apr 2000 22:30:50 +0200

On Fri, Apr 28, 2000 at 12:32:26PM -0700, Chris Mason wrote:
> Hmm, that makes sense I can see it being a slow down for ext2 if oracle or
> mail servers pound on fsync (in reiserfs, they block on the commit).
>
> I'm not sure I understand why need the locking in sync_supers if we don't
> need it in fsync though.

At least the ext2 write_super does not seem to care (in theory there
could be a small race against remounting read only, but that is probably
harmless and would occur even with the lock)

The locking protocol should be better documented ...

-Andi

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