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 (Postfix) with ESMTP id B0F797F50 for ; Mon, 18 May 2015 18:28:24 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 946278F804C for ; Mon, 18 May 2015 16:28:21 -0700 (PDT) Received: from smtpbgau1.qq.com (smtpbgau1.qq.com [54.206.16.166]) by cuda.sgi.com with ESMTP id P1BIgoPMA5qo0QOy (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 18 May 2015 16:28:18 -0700 (PDT) Message-ID: <555A7585.6000003@foxmail.com> Date: Tue, 19 May 2015 07:28:05 +0800 From: Wang Sheng-Hui MIME-Version: 1.0 Subject: Re: xfsprogs/mkfs: what's the relationship between max trans res and min log size References: <555987A2.3050604@foxmail.com> <20150518133439.GA43596@bfoster.bfoster> In-Reply-To: <20150518133439.GA43596@bfoster.bfoster> 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 Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Brian Foster Cc: Dave Chinner , xfs CgpPbiAyMDE15bm0MDXmnIgxOOaXpSAyMTozNCwgQnJpYW4gRm9zdGVyIHdyb3RlOgo+IE9uIE1v biwgTWF5IDE4LCAyMDE1IGF0IDAyOjMzOjA2UE0gKzA4MDAsIFdhbmcgU2hlbmctSHVpIHdyb3Rl Ogo+PiBIaSBndXlzLAo+Pgo+Pgo+PiBJbiBtYXh0cnJlcy5jL21heF90cmFuc19yZXMsIGl0IGNh bGxzIHhmc19sb2dfY2FsY19taW5pbXVtX3NpemUgdG8gY29tcHV0ZSB0aGUKPj4gICAgICAgICAg ICAgICBtYXhpbXVtIHRyYW5zYWN0aW9uIHJlc2VydmF0aW9uCj4+Cj4+IEJ1dCBmb3IgeGZzX2xv Z19jYWxjX21pbmltdW1fc2l6ZSwgaXQncyB1c2VkIHRvIGNhbGN1bGF0ZSB0aGUKPj4gICAgICAg ICAgICAgICBtaW5pbXVtIHZhbGlkIGxvZyBzaXplCj4+Cj4+Cj4+IFRoZSBuYW1pbmcgbWF4L21p bmltdW0gc2VlbXMgY29uZnVzaW5nLgo+Pgo+PiBXaHkgYXJlIHRoZXkgbmFtZWQgaW4gc3VjaCB3 YXk/IFdoYXQncyB0aGUgcmVsYXRpb25zaGlwIGJldHdlZW4gbWF4IHRyYW5zIHJlcwo+PiBhbmQg bWluaW11biBsb2cgc2l6ZSwgKG1heCB0cmFucyByZXMpIDw9IChtaW5pbXVuIGxvZyBzaXplKT8K Pj4KPj4KPj4gQW55IGV4cGxhbmF0aW9ucyBhcmUgd2VsY29tZWQhCj4+Cj4gCj4+RnJvbSB0aGUg Y29tbWVudCBpbiB4ZnNfbG9nX2NhbGNfbWluaW11bV9zaXplKCk6Cj4gCj4gICAgICAgICAvKgo+ ICAgICAgICAgICogVHdvIGZhY3RvcnMgc2hvdWxkIGJlIHRha2VuIGludG8gYWNjb3VudCBmb3Ig Y2FsY3VsYXRpbmcgdGhlIG1pbmltdW0KPiAgICAgICAgICAqIGxvZyBzcGFjZS4KPiAgICAgICAg ICAqIDEpIFRoZSBmdW5kYW1lbnRhbCBsaW1pdGF0aW9uIGlzIHRoYXQgbm8gc2luZ2xlIHRyYW5z YWN0aW9uIGNhbiBiZQo+ICAgICAgICAgICogICAgbGFyZ2VyIHRoYW4gaGFsZiBzaXplIG9mIHRo ZSBsb2cuCj4gICAgICAgICAgKgo+ICAgICAgICAgICogICAgRnJvbSBta2ZzLnhmcywgdGhpcyBp cyBjb25zaWRlcmVkIGJ5IHRoZSBYRlNfTUlOX0xPR19GQUNUT1IKPiAgICAgICAgICAqICAgIGRl ZmluZSwgd2hpY2ggaXMgc2V0IHRvIDMuIFRoYXQgbWVhbnMgd2UgY2FuIGRlZmluaXRlbHkgZml0 Cj4gICAgICAgICAgKiAgICBtYXhpbWFsbHkgc2l6ZWQgMiB0cmFuc2FjdGlvbnMgaW4gdGhlIGxv Zy4gV2UnbGwgdXNlIHRoaXMgc2FtZQo+ICAgICAgICAgICogICAgdmFsdWUgaGVyZS4KPiAJIC4u Lgo+IAkgKi8KPiAKPiBTbyB0aGUgbG9nIG11c3QgYmUgYXQgbGVhc3QgdGhlIHNpemUgb2YgdHdv IHNpbmdsZSB0cmFuc2FjdGlvbnMgKGl0Cj4gbG9va3MgbGlrZSB0aGUgY29kZSBpcyBjb25zZXJ2 YXRpdmUgYW5kIHVzZXMgYSBmYWN0b3Igb2YgMykuIFRoaXMgaXMgYQo+IGxpbWl0YXRpb24gb24g dGhlIG1pbmltdW0gYWxsb3dhYmxlIGxvZyBzaXplIGZvciB0aGUgZnMuIFRyYW5zYWN0aW9ucwo+ IGFyZSBvZiB2YXJpYWJsZSBzaXplLCBzbyB0byBkZXRlcm1pbmUgd2hhdCB0aGF0IG1lYW5zIGlu IHRlcm1zIG9mIGFjdHVhbAo+IHNpemUgd2UgbXVzdCBjYWxjdWxhdGUgdGhlIG1heGltdW0gcG9z c2libGUgKGkuZS4sIHdvcnN0IGNhc2UpCj4gdHJhbnNhY3Rpb24gc2l6ZSBmb3IgdGhlIHBhcnRp Y3VsYXIgZnMgZ2VvbWV0cnkgYW5kIHRoZW4gdXNlIHRoYXQgdG8KPiBjYWxjdWxhdGUgdGhlIG1p bmltdW0gdG90YWwgbG9nIHNpemUuCgpUaGFua3MsIEJyaWFuLgoKUmVnYXJkcywKU2hlbmctSHVp Cj4gCj4gQnJpYW4KPiAKPj4KPj4gVGhhbmtzLAo+PiBTaGVuZy1IdWkKPj4KPj4KPj4gX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPj4geGZzIG1haWxpbmcg bGlzdAo+PiB4ZnNAb3NzLnNnaS5jb20KPj4gaHR0cDovL29zcy5zZ2kuY29tL21haWxtYW4vbGlz dGluZm8veGZzCj4gCj4gCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KeGZzIG1haWxpbmcgbGlzdAp4ZnNAb3NzLnNnaS5jb20KaHR0cDovL29zcy5zZ2ku Y29tL21haWxtYW4vbGlzdGluZm8veGZzCg==