Date: Mon, 22 Aug 2005 09:48:16 +0200 (CEST) From: Andre Albsmeier <Andre.Albsmeier@siemens.com> To: FreeBSD-gnats-submit@FreeBSD.org Subject: bin/85204: [PATCH] add read-ahead to amd for NFS mounts Message-ID: <200508220748.j7M7mGri015314@curry.mchp.siemens.de> Resent-Message-ID: <200508220750.j7M7oJu5010061@freefall.freebsd.org>
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>Number: 85204 >Category: bin >Synopsis: [PATCH] add read-ahead to amd for NFS mounts >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: change-request >Submitter-Id: current-users >Arrival-Date: Mon Aug 22 07:50:19 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Andre Albsmeier >Release: FreeBSD 5.4-STABLE i386 >Organization: >Environment: FreeBSD 5.4-STABLE #0: Tue Aug 16 16:46:45 CEST 2005 >Description: amd currently doesn't support the read-ahead feature for NFS mounts. Since this feature greatly improves performance it might be a good idea to include it. >How-To-Repeat: Try something like opts:=...,readahead=5,... in amd.map >Fix: --- contrib/amd/libamu/mount_fs.c.ORI Tue Mar 22 07:28:23 2005 +++ contrib/amd/libamu/mount_fs.c Tue Apr 26 13:31:12 2005 @@ -583,6 +583,12 @@ nap->flags |= MNT2_NFS_OPT_FSNAME; #endif /* MNT2_NFS_OPT_FSNAME */ + nap->readahead = hasmntval(mntp, "readahead"); +#ifdef MNT2_NFS_OPT_READAHEAD + if (nap->readahead) + nap->flags |= MNT2_NFS_OPT_READAHEAD; +#endif /* MNT2_NFS_OPT_READAHEAD */ + nap->rsize = hasmntval(mntp, MNTTAB_OPT_RSIZE); #ifdef MNT2_NFS_OPT_RSIZE if (nap->rsize) >Release-Note: >Audit-Trail: >Unformatted:
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