From owner-cvs-all  Thu Jul 11  0:10:54 2002
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Date: Thu, 11 Jul 2002 09:12:01 +0200
From: Sheldon Hearn <sheldonh@starjuice.net>
To: Matt Dillon <dillon@FreeBSD.org>
Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern vfs_bio.c vfs_cluster.c vfs_subr.c src/sys/nfsclient nfs_bio.c src/sys/nfsserver nfs_serv.c src/sys/sys buf.h vnode.h
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References: <200207101702.g6AH2Xtl000528@freefall.freebsd.org>
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On (2002/07/10 10:02), Matt Dillon wrote:

>   Log:
>   Replace the global buffer hash table with per-vnode splay trees using a
>   methodology similar to the vm_map_entry splay and the VM splay that Alan
>   Cox is working on.  Extensive testing has appeared to have shown no
>   increase in overhead.
[...]
>   Advantages
>       vnode->v_dirtyblkhd is now perfectly sorted, making
>       fsync/sync/filesystem syncer operate more efficiently.

This is very good for MTAs, yes?  Do you have any informal stats that
suggest what kind of improvement this offers?

Ciao,
Sheldon.

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