From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o8EAu5l2121080 for ; Tue, 14 Sep 2010 05:56:05 -0500 Received: from mail.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 5EC8D1E6530B for ; Tue, 14 Sep 2010 03:56:51 -0700 (PDT) Received: from mail.internode.on.net (bld-mail19.adl2.internode.on.net [150.101.137.104]) by cuda.sgi.com with ESMTP id 2lawSeBO3brs2ldr for ; Tue, 14 Sep 2010 03:56:51 -0700 (PDT) Received: from dastard (unverified [121.44.127.68]) by mail.internode.on.net (SurgeMail 3.8f2) with ESMTP id 38830798-1927428 for ; Tue, 14 Sep 2010 20:26:50 +0930 (CST) Received: from disturbed ([192.168.1.9]) by dastard with esmtp (Exim 4.71) (envelope-from ) id 1OvTBn-0004OI-2M for xfs@oss.sgi.com; Tue, 14 Sep 2010 20:56:39 +1000 Received: from dave by disturbed with local (Exim 4.72) (envelope-from ) id 1OvTBa-0000Po-JQ for xfs@oss.sgi.com; Tue, 14 Sep 2010 20:56:26 +1000 From: Dave Chinner Subject: [PATCH 0/18] xfs: metadata and buffer cache scalability improvements Date: Tue, 14 Sep 2010 20:55:59 +1000 Message-Id: <1284461777-1496-1-git-send-email-david@fromorbit.com> MIME-Version: 1.0 List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com VGhpcyBwYXRjaHNldCBoYXMgZ3Jvd24gcXVpdGUgYSBiaXQgLSBpdCBzdGFydGVkIG91dCBhcyBh ICJjb252ZXJ0CnRoZSBidWZmZXIgY2FjaGUgdG8gcmJ0cmVlcyIgcGF0Y2gsIGFuZCBoYXMgZ290 dGVuIGJpZ2dlciBhcyBJCnBlZWxlZCB0aGUgb25pb24gZnJvbSBvbmUgYm90dGxlbmVjayB0byBh bm90aGVyLgoKUGVyZm9ybWFuY2UgbnVtYmVycyBoZXJlIGFyZSA4LXdheSBmc19tYXJrIGNyZWF0 ZSB0byA1ME0gZmlsZXMsIGFuZAo4LXdheSBybSAtcmYgdG8gcmVtb3ZlIHRoZSBmaWxlcyBjcmVh dGVkLgoKCQkJd2FsbCB0aW1lCWZzX21hcmsgcmF0ZQoyLjYuMzYtcmM0OgoJY3JlYXRlOgkJMTNt MTBzCQk2NWsgZmlsZS9zCgl1bmxpbms6CQkyM201OHMJCU4vQQoKVGhlIGZpcnN0IHNldCBvZiBw YXRjaGVzIGFyZSBnZW5lcmljIGluZnJhc3RydWN0dXJlIGNoYW5nZXMgdGhhdAphZGRyZXNzIHBh aW4gcG9pbnRzIHRoZSByYnRyZWUgYmFzZWQgYnVmZmVyIGNhY2hlIGludHJvZHVjZXMuIEkndmUK cHV0IHRoZW0gZmlyc3QgYmVjYXVzZSB0aGV5IGFyZSBzaW1wbGVyIHRvIHJldmlldyBhbmQgaGF2 ZSBpbW1lZGlhdGUKaW1wYWN0IG9uIHBlcmZvcm1hbmNlLiBUaGVzZSBwYXRjaGVzIGFkZHJlc3Mg bG9jayBjb250ZW50aW9uIGFzCm1lYXN1cmVkIGJ5IHRoZSBrZXJuZWwgbG9ja3N0YXQgaW5mcmFz dHJ1Y3R1cmUuCgp4ZnM6IHNpbmdsZSB0aHJlYWQgaW5vZGUgY2FjaGUgc2hyaW5raW5nLgoJLSBw cmV2ZW50cyBwZXItYWcgY29udGVudGlvbiBkdXJpbmcgY2FjaGUgc2hyaW5raW5nCgp4ZnM6IHJl ZHVjZSB0aGUgbnVtYmVyIG9mIENJTCBsb2NrIHJvdW5kIHRyaXBzIGR1cmluZyBjb21taXQKCS0g cmVkdWNlcyBsb2NrIHRyYWZmaWMgb24gdGhlIHhjX2NpbF9sb2NrIGJ5IHR3byBvcmRlcnMgb2YK CSAgbWFnbml0dWRlCgp4ZnM6IHJlbW92ZSBkZWJ1ZyBhc3NlcnQgZm9yIHBlci1hZyByZWZlcmVu Y2UgY291bnRpbmcKeGZzOiBsb2NrbGVzcyBwZXItYWcgbG9va3VwcwoJLSBob3R0ZXN0IGxvY2sg aW4gdGhlIHN5c3RlbSB3aXRoIGJ1ZmZlciBjYWNoZSByYnRyZWUgcGF0aAoJLSBjb252ZXJ0ZWQg dG8gdXNlIFJDVS4KCnhmczogY29udmVydCBpbm9kZSBjYWNoZSBsb29rdXBzIHRvIHVzZSBSQ1Ug bG9ja2luZwp4ZnM6IGNvbnZlcnQgcGFnX2ljaV9sb2NrIHRvIGEgc3BpbiBsb2NrCgktIGFkZHJl c3NlcyBsb29rdXAgdnMgcmVjbGFpbSBjb250ZW50aW9uIG9uIHBhZ19pY2lfbG9jawoJLSBjb252 ZXJ0ZWQgdG8gdXNlIFJDVS4KCnhmczogZG9uJ3QgdXNlIHZmcyB3cml0ZWJhY2sgZm9yIHB1cmUg bWV0YWRhdGEgbW9kaWZpY2F0aW9ucwoJLSBpbm9kZSB3cml0ZWJhY2sgZG9lcyBub3Qga2VlcCB1 cCB3aXRoIGRpcnR5aW5nIDEwMCwwMDAKCSAgaW5vZGVzIGEgc2Vjb25kLiBBdm9pZHMgdGhlIHN1 cGVyYmxvY2sgZGlydHkgbGlzdCB3aGVyZQoJICBwb3NzaWJsZSBieSB1c2luZyB0aGUgQUlMIGFz IHRoZSBhZ2Utb3JkZXIgZmx1c2hlci4KClBlcmZvcm1hbmNlIHdpdGggdGhlc2UgcGF0Y2hlczoK CjIuNi4zNi1yYzQgKyBzaHJpbmtlciArIENJTCArIFJDVToKCWNyZWF0ZToJCTExbTM4cwkJODBr IGZpbGVzL3MKCXVubGluazoJCTE0bTI5cwkJTi9BCgpDcmVhdGUgcmF0ZSBoYXMgaW1wcm92ZWQg YnkgMjAlLCB1bmxpbmsgdGltZSBoYXMgYWxtb3N0IGhhbHZlZC4gT24KbGFyZ2UgbnVtYmVycyBv ZiBpbm9kZXMsIHRoZSB1bmxpbmsgcmF0ZSBpbXByb3ZlcyBldmVuIG1vcmUKZHJhbWF0aWNhbGx5 LgoKVGhlIGJ1ZmZlciBjYWNoZSB0byByYnRyZWUgc2VyaWVzIGN1cnJlbnQgc3RhbmRzIGF0OgoK eGZzOiByZW5hbWUgeGZzX2J1Zl9nZXRfbm9kYWRkciB0byBiZSBtb3JlIGFwcHJvcHJpYXRlCnhm czogaW50cm9kdWNlZCB1bmNhY2hlZCBidWZmZXIgcmVhZCBwcmltaXR2ZQp4ZnM6IHN0b3JlIHhm c19tb3VudCBpbiB0aGUgYnVmdGFyZyBpbnN0ZWFkIG9mIGluIHRoZSB4ZnNfYnVmCnhmczoga2ls bCBYQkZfRlNfTUFOQUdFRCBidWZmZXJzCnhmczogdXNlIHVuaGFzaGVkIGJ1ZmZlcnMgZm9yIHNp emUgY2hlY2tzCnhmczogcmVtb3ZlIGJ1ZnRhcmcgaGFzaCBmb3IgZXh0ZXJuYWwgZGV2aWNlcwoJ LSBwcmVwYXJhdG9yeSBidWZmZXIgY2FjaGUgQVBJIGNsZWFudXAgcGF0Y2hlcwoKeGZzOiBjb252 ZXJ0IGJ1ZmZlciBjYWNoZSBoYXNoIHRvIHJidHJlZQoJLSB3aGF0IGl0IHNheXMgOykKCS0gaW5j bHVkZXMgY2hhbmdlcyBiYXNlZCBvbiBBbGV4J3MgcmV2aWV3LgoKeGZzOyBwYWNrIHhmc19idWYg c3RydWN0dXJlIG1vcmUgdGlnaHRseQoJLSBtZW1vcnkgdXNhZ2UgcmVkdWN0aW9uLCBtZWFucyBh ZGRpbmcgdGhlIExSVSBsaXN0IGhlYWQgaXMKCSAgZWZmZWN0aXZlbHkgbWVtb3J5IHVzYWdlIG5l dXRyYWwuCgp4ZnM6IGNvbnZlcnQgeGZzYnVkIHNocmlua2VyIHRvIGEgcGVyLWJ1ZnRhcmcgc2hy aW5rZXIuCnhmczogYWRkIGEgbHJ1IHRvIHRoZSBYRlMgYnVmZmVyIGNhY2hlCgktIEFkZCBhbiBM UlUgZm9yIHJlY2xhaW0KCnhmczogc3RvcCB1c2luZyB0aGUgcGFnZSBjYWNoZSB0byBiYWNrIHRo ZSBidWZmZXIgY2FjaGUKCS0ga2lsbCBhbGwgdGhlIHBhZ2UgY2FjaGUgY29kZQoKMi42LjM2LXJj NCArIHNocmlua2VyICsgQ0lMICsgUkNVICsgcmJ0cmVlOgoJY3JlYXRlOgkJIDltNDdzCQk5NWsg ZmlsZXMvcwoJdW5saW5rOgkJMTRtMTZzCQlOL0EKCkNyZWF0ZSByYXRlIGhhcyBpbXByb3ZlZCBi eSBhbm90aGVyIDIwJSwgdW5saW5rIHJhdGUgaGFzIGltcHJvdmVkCm1hcmdpbmFsbHkgKG5vaXNl LCByZWFsbHkpLgoKVGhlcmUgYXJlIHR3byByZW1haW5pbmcgcGFydHMgdG8gdGhlIGJ1ZmZlciBj YWNoZSBjb252ZXJzaW9uczoKCgkxLiB3b3JrIG91dCBob3cgdG8gZWZmaWNpZW50bHkgc3VwcG9y dCBibG9jayBzaXplIHNtYWxsZXIKCXRoYW4gcGFnZSBzaXplLiBUaGUgY3VycmVudCBjb2RlIHdv cmtzLCBidXQgdXNlcyBhIHBhZ2UgcGVyCglzdWItYXBnZSBidWZmZXIuICBBIHNldCBvZiBzbGFi IGNhY2hlcyB3b3VsZCBiZSBwZXJmZWN0IGZvcgoJdGhpcyB1c2UsIGJ1dCBJJ20gbm90IHN1cmUg dGhhdCB3ZSBhcmUgYWxsb3dlZCB0byB1c2UgdGhlbQoJZm9yIElPIGFueW1vcmUuIENocmlzdG9w aD8KCgkyLiBDb25uZWN0IHVwIHRoZSBidWZmZXIgdHlwZSBzZXBjaWZpYyByZWNsYWltIHByaW9y aXR5CglyZWZlcmVuY2UgY291bnRpbmcgYW5kIGNvbnZlcnQgdGhlIExSVSByZWNsYWltIHRvIGEg Y3Vyc29yCgliYXNlZCB3YWxrIHRoYXQgc2ltcGx5IGRyb3BzIHJlY2xhaW0gcmVmZXJlbmNlIGNv dW50cyBhbmQKCWZyZWVzIGFueXRoaW5nIHRoYXQgaGFzIGEgemVybyByZWNsYWltIHJlZmVyZW5j ZS4KCk92ZXJhbGwsIEkgY2FuIHN3YXAgdGhlIG9yZGVyIG9mIHRoZSB0d28gcGF0Y2ggc2V0cywg YW5kIHRoZQppbmNyZW1lbnRhbCBwZXJmb3JtYW5jZSBpbmNyZWFzZXMgZm9yIGNyZWF0ZSBhcmUg cHJldHR5IG11Y2gKaWRlbnRpY2FsLiBGb3IgdW5saW5rLCB0ZSBiZW5lZml0IGNvbWVzIGZyb20g dGhlIHNocmlua2VyCm1vZGlmaWNhdGlvbi4gRm9yIHRob3NlIHRoYXQgY2FyZSwgdGhlIHJidHJl ZSBwYXRjaCBzZXQgaW4gaXNvbGF0aW9uCnJlc3VsdHMgaW4gYSB0aW1lIG9mIDRoMzhtIHRvIGNy ZWF0ZSAxIGJpbGxpb24gaW5vZGVzIG9uIG15IDhwLzRHQgpSQU0gdGVzdCBWTS4gSSBoYXZlbid0 IHJ1biB0aGlzIHRlc3Qgd2l0aCB0aGUgUkNVIGFuZCB3cml0ZWJhY2sKbW9kaWZpY2F0aW9ucyB5 ZXQuCgpNb3Zpbmcgb24gZnJvbSB0aGlzIHBvaW50IGlzIHRvIHN0YXJ0IHRlc3RpbmcgYWdhaW5z dCBOaWNrIFBpZ2dpbidzClZGUyBzY2FsYWJpbGl0eSB0cmVlLCBh0ZUgdGhlIGlub2RlX2xvY2sg YW5kIGRjYWNoZV9sb2NrIGFyZSBub3cgdGhlCnBlcmZvcm1hbmNlIGxpbWl0aW5nIGZhY3RvcnMu IFRoYXQgd2lsbCwgd2l0aG91dCBkb3VidCwgYnJpbmcgbmV3CmhvdHNwb3RzIG91dCBpbiBYRlMg c28gSSdsbCBiZSBzdGFydGluZyB0aGlzIGN5Y2xlIG92ZXIgYWdhaW4gc29vbi4KCk92ZXJhbGwg ZGlmZnN0YXQgYXQgdGhpcyBwb2ludCBpczoKCiBmcy94ZnMvbGludXgtMi42L2ttZW0uaCAgICAg ICAgfCAgICAxICsKIGZzL3hmcy9saW51eC0yLjYveGZzX2J1Zi5jICAgICB8ICA1ODggKysrKysr KysrKysrKystLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQogZnMveGZzL2xpbnV4LTIuNi94ZnNf YnVmLmggICAgIHwgICA2MSArKystLQogZnMveGZzL2xpbnV4LTIuNi94ZnNfaW9wcy5jICAgIHwg ICAxOCArLQogZnMveGZzL2xpbnV4LTIuNi94ZnNfc3VwZXIuYyAgIHwgICAxMSArLQogZnMveGZz L2xpbnV4LTIuNi94ZnNfc3luYy5jICAgIHwgICA0OSArKystCiBmcy94ZnMvbGludXgtMi42L3hm c190cmFjZS5oICAgfCAgICAyICstCiBmcy94ZnMvcXVvdGEveGZzX3FtX3N5c2NhbGxzLmMgfCAg ICA0ICstCiBmcy94ZnMveGZzX2FnLmggICAgICAgICAgICAgICAgfCAgICA5ICstCiBmcy94ZnMv eGZzX2J1Zl9pdGVtLmMgICAgICAgICAgfCAgICAzICstCiBmcy94ZnMveGZzX2Zzb3BzLmMgICAg ICAgICAgICAgfCAgIDExICstCiBmcy94ZnMveGZzX2lnZXQuYyAgICAgICAgICAgICAgfCAgIDQ2 ICsrKy0KIGZzL3hmcy94ZnNfaW5vZGUuYyAgICAgICAgICAgICB8ICAgMjIgKy0KIGZzL3hmcy94 ZnNfaW5vZGVfaXRlbS5jICAgICAgICB8ICAgIDkgLQogZnMveGZzL3hmc19sb2cuYyAgICAgICAg ICAgICAgIHwgICAgMyArLQogZnMveGZzL3hmc19sb2dfY2lsLmMgICAgICAgICAgIHwgIDExNiAr KysrKy0tLS0KIGZzL3hmcy94ZnNfbG9nX3JlY292ZXIuYyAgICAgICB8ICAgMTggKy0KIGZzL3hm cy94ZnNfbW91bnQuYyAgICAgICAgICAgICB8ICAxMjYgKysrKy0tLS0tCiBmcy94ZnMveGZzX21v dW50LmggICAgICAgICAgICAgfCAgICAyICsKIGZzL3hmcy94ZnNfcnRhbGxvYy5jICAgICAgICAg ICB8ICAgMjkgKy0KIGZzL3hmcy94ZnNfdm5vZGVvcHMuYyAgICAgICAgICB8ICAgIDIgKy0KIDIx IGZpbGVzIGNoYW5nZWQsIDUwMiBpbnNlcnRpb25zKCspLCA2MjggZGVsZXRpb25zKC0pCgpTbyBp dCBpcyBpbXByb3ZpbmcgcGVyZm9ybWFuY2UsIHJlbW92aW5nIGNvZGUgYW5kIGZpeGluZwpsb25n c3RhbmRpbmcgYnVncyBhbGwgYXQgdGhlIHNhbWUgdGltZS4gOykKCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCnhmcyBtYWlsaW5nIGxpc3QKeGZzQG9zcy5z Z2kuY29tCmh0dHA6Ly9vc3Muc2dpLmNvbS9tYWlsbWFuL2xpc3RpbmZvL3hmcwo=