From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o8OE1l4X185080 for ; Fri, 24 Sep 2010 09:01:47 -0500 Subject: Re: [PATCH] xfs: force background CIL push under sustained load From: Alex Elder In-Reply-To: <20100924011855.GR2614@dastard> References: <1285208863-31489-1-git-send-email-david@fromorbit.com> <1285268035.1973.109.camel@doink> <20100924011855.GR2614@dastard> Date: Fri, 24 Sep 2010 09:02:39 -0500 Message-ID: <1285336959.1974.11.camel@doink> Mime-Version: 1.0 Reply-To: aelder@sgi.com 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: Dave Chinner Cc: xfs@oss.sgi.com T24gRnJpLCAyMDEwLTA5LTI0IGF0IDExOjE4ICsxMDAwLCBEYXZlIENoaW5uZXIgd3JvdGU6Cj4g T24gVGh1LCBTZXAgMjMsIDIwMTAgYXQgMDE6NTM6NTVQTSAtMDUwMCwgQWxleCBFbGRlciB3cm90 ZToKPiA+IE9uIFRodSwgMjAxMC0wOS0yMyBhdCAxMjoyNyArMTAwMCwgRGF2ZSBDaGlubmVyIHdy b3RlOgoKLiAuIC4KCj4gPiBJIGRvbid0IHJlYWxseSBjYXJlIG11Y2ggYWJvdXQgdGhpcywgYnV0 IEknbGwgdGFrZSB0aGlzCj4gPiBvcHBvcnR1bml0eSBmb3IgYSBzbWFsbCByYW50Lgo+ID4gCj4g PiBUaGUgZGlmZmVyZW5jZSBpbiBjYWxjdWxhdGlvbiBjb3N0L3NwZWVkIGJldHdlZW4gInggPj4g MyIgYW5kCj4gPiAieCAvIDgiIGlzIHZhbmlzaGluZ2x5IHNtYWxsLgo+IAo+IFRoYXQgaXMgYXJj aGl0ZWN0dXJlIGRlcGVuZGVudCwgYnV0IGluIG1vc3QgY2FzZXMgdGhlc2UgZGF5cyB0aGUKPiBj b21waWxlciB3aWxsIG9wdGltaXNlIGEgZGl2aWRlLWJ5LXBvd2VyLW9m4oiSMi1jb25zdGFudCBp bnRvIGEgc2hpZnQKPiBvcGVyYXRpb24gYW55d2F5LiBJJ20gcHJldHR5IHN1cmUgdGhhdCBvcHRp bWlzYXRpb24gaXMgZG9uZSBvbiBldmVuCj4gb24geDg2IGFzIGEgc2hpZnQgaXMgYSBzaW5nbGUg Y3ljbGUgb3BlcmF0aW9uIHdoaWxlIGFuIGludGVnZXIKPiBkaXZpZGUgc3RpbGwgdGFrZXMgc2V2 ZXJhbCBjeWNsZXMgYW5kIGNvbnN1bWVzIG1vcmUgcG93ZXIuCgpJIGtub3csIGl0J2xsIHRha2Ug YWJvdXQgYSBuYW5vc2Vjb25kIGxvbmdlciB0aGFuIG5lY2Vzc2FyeSwKYW5kIGFuIGV4dHJhIDI1 IHBpY293YXR0IGhvdXJzIChJRiB0aGUgY29tcGlsZXIgZG9lc24ndCBvcHRpbWl6ZQppdCBhd2F5 KS4gIFRoaXMgYmVpbmcgZG9uZSB0byBkZXRlcm1pbmUgd2hldGhlciB0byBzdGFydCBhIHNlcmll cwpvZiBJL08gb3BlcmF0aW9ucy4uLgoKPiA+IEkgdGhpbmsgaXQgaXMgbWVhbmluZ2Z1bCB0byB1 c2UKPiA+IGEgc2hpZnQgaW4gcGxhY2VzIHdoZXJlIGEgcG93ZXItb2YtdHdvIGlzIG1hbmRhdGVk LCBidXQgaW4gcGxhY2VzCj4gPiBsaWtlIHRoaXMgaXQgc3VnZ2VzdHMgdGhlcmUgaXMgYSBjb25z dHJhaW50IHRoYXQgc2ltcGx5IGRvZXNuJ3QKPiA+IGV4aXN0LiAgU28gZm9yIGV4YW1wbGUsIHlv dSBjb3VsZCBoYXZlIGNob3NlbiAobG9nLT5sb2dzaXplIC8gMTApCj4gPiBhcyB0aGUgInRyeSBw dXNoaW5nIiB2YWx1ZSwgYW5kIChsb2ctPmxvZ3NpemUgLyA0IC0gMSkgYXMgdGhlCj4gPiAibXVz dCBwdXNoIiB2YWx1ZS4KPiAKPiBJdCdzIG1vcmUgdGhlIGZhY3QgdGhhdCBYRlMgdXNlcyBwb3dl ci1vZi0yIGxvZ2ljIChpLmUgc2hpZnRzKQo+IGV2ZXJ5d2hlcmUuIEkganVzdCB0ZW5kIHRvIGJl IGNvbnNpc3RlbnQgd2l0aCB3aGF0IGlzIGFscmVhZHkgdGhlcmUuCj4gSW4gdGhpcyBjYXNlLCB0 aGUgQUlMIHB1c2ggdGhyZXNob2xkcyBhcmUgY2FsY3VsYXRlZCB1c2luZyBzaGlmdHM6Cj4gCj4g CWZyZWVfdGhyZXNob2xkID0gTUFYKGZyZWVfdGhyZXNob2xkLCAobG9nLT5sX2xvZ0JCc2l6ZSA+ PiAyKSk7Cj4gCj4gYW5kIHNvIHdoZW4geW91IGNvbXBhcmUgdGhhdCB0byB0aGUgWExPR19DSUxf U1BBQ0VfTElNSVQoKQo+IGRlZmluaXRpb25zLCBpdCBpcyBpbW1lZGlhdGVseSBjbGVhciB0aGF0 IHRoZSBDSUwgbGltaXRzIGFyZSBzbWFsbGVyCj4gdGhhbiB0aGUgQUlMIHB1c2ggdGhyZXNob2xk Li4uCgpJIGdldCBpdC4gIEFuZCBhcyBJIHNhaWQgYmVmb3JlLCBJIHRydWx5IGRvbid0IGNhcmUg bXVjaCBhYm91dAp0aGlzLS1pdCdzIGFuIG9ic2VydmF0aW9uIG1vcmUgdGhhbiBldmVuIGFuIGFu bm95YW5jZSwgYW5kIGl0J3MKYWxyZWFkeSB0YWtlbiBhIGxvdCBtb3JlIHRpbWUgYW5kIG1lbnRh bCBlbmVyZ3kgKG5vdCB0byBtZW50aW9uCmVsZWN0cmljIHBvd2VyKSB0aGFuIGl0IGV2ZXIgcmVh bGx5IGRlc2VydmVkLgoKCQkJCQktQWxleAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KeGZzIG1haWxpbmcgbGlzdAp4ZnNAb3NzLnNnaS5jb20KaHR0cDov L29zcy5zZ2kuY29tL21haWxtYW4vbGlzdGluZm8veGZzCg==