From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olaf Hering Date: Sat, 07 Feb 2004 20:20:06 +0000 Subject: Re: [RFC] reliability and scalability Message-Id: <20040207202006.GA28699@suse.de> List-Id: References: <40249B59.7080805@sympatico.ca> In-Reply-To: <40249B59.7080805@sympatico.ca> MIME-Version: 1.0 Content-Type: text/plain; charset="macroman" Content-Transfer-Encoding: base64 To: linux-hotplug@vger.kernel.org IE9uIFNhdCwgRmViIDA3LCBHcmVnIEtIIHdyb3RlOgoKPiBPbiBTYXQsIEZlYiAwNywgMjAwNCBh dCAwOTo1Nzo1OEFNICswMTAwLCBPbGFmIEhlcmluZyB3cm90ZToKPiA+ICBPbiBTYXQsIEZlYiAw NywgQ2hyaXMgRnJpZXNlbiB3cm90ZToKPiA+IAo+ID4gPiBDb21tZW50cywgYW55b25lPwo+ID4g Cj4gPiBCZXR0ZXIgZ2V0IHJpZCBvZiB1ZGV2ZCBhbmQga2VlcCB0cmFjayBvZiB0aGUgbGF0ZXN0 IGFkZCBhbmQgcmVtb3ZlCj4gPiBTRVFOVU1zIGluIHRoZSBkYXRhYmFzZS4gIHVubGluayB0aGUg ZGV2bm9kZXMgYW5kIHN5bWxpbmtzIGJlZm9yZQo+ID4gY3JlYXRpbmcgbmV3IG9uZXMgZHVyaW5n IGFkZCBldmVudHMuCj4gCj4gQW5kIGhvdyB3b3VsZCB5b3UgcmUtb3JkZXIgZXZlbnRzIGluIHRo aXMgc2l0dWF0aW9uPwoKV2hhdCBkbyB5b3UgbWVhbiB3aXRoIHJlb3JkZXI/IE1heWJlIEkgbWlz cyB0aGUgcG9pbnQuCgoKSSBhc3N1bWUgdGhlIGRhdGFiYXNlIGhhcyBzb21lIGxvY2tpbmcgdG8g c2VyaWFsaXplIHdyaXRlcyAobWF5YmUgZXZlbgpyZWFkcykuCi0gSWYgYW4gYWRkIGV2ZW50IGFy cml2ZXMsIGNoZWNrIGlmIGEgcmVtb3ZlIGV2ZW50IHdhcyByZWNvcmVkZWQuCiAgSWYgdGhlIHJl bW92ZSBldmVudCBoYWQgYSBoaWdoZXIgbnVtYmVyIHRoYW4gdGhpcyBhZGQgZXZlbnQsIHJlY29y ZCB0aGlzCiAgYWRkIGV2ZW50IGFzIHNlZW4gaWYgbm8gbmV3ZXIgYWRkIGV2ZW50IHdhcyBzZWVu LCB0aGVuIGV4aXQuCiAgSWYgbm8gcmVtb3ZlIGFuZCBubyBuZXdlciBhZGQgZXZlbnQgd2FzIHNl ZW4sIHVubGluayB0aGUgbm9kZSBhbmQKICBzeW1saW5rcyBhbmQgcmVjcmVhdGUgdGhlbS4gUmVj b3JkIHRoZSBjdXJyZW50IG51bWJlciBhcyAnYWRkJy4KLSBJZiBhIHJlbW92ZSBldmVudCBhcnJp dmVzLCBjaGVjayBpZiBhbiBhZGQgZXZlbnQgd2FzIHJlY29yZGVkLgogIElmIHRoZSBhZGQgZXZl bnQgaGFkIGEgaGlnaGVyIG51bWJlciwgcmVjb3JkIHRoaXMgcmVtb3ZlIGV2ZW50IGlmIG5vCiAg bmV3ZXIgcmVtb3ZlIGV2ZW50IHdhcyBzZWVuLCB0aGVuIGV4aXQuCgpNYXliZSBzb21ldGhpbmcg bGlrZSB0aGlzOgoKc3dpdGNoKGFjdGlvbikKICAgICAgICBjYXNlIGFkZDoKICAgICAgICAgICAg ICAgIGlmIChsYXN0LmFkZCA+IHNlcW51bSkKICAgICAgICAgICAgICAgICAgICAgICAgZXhpdAog ICAgICAgICAgICAgICAgaWYgKGxhc3QucmVtb3ZlID4gc2VxbnVtKQogICAgICAgICAgICAgICAg ICAgICAgICBleGl0CiAgICAgICAgICAgICAgICBsYXN0LmFkZCA9IHNlcW51bQogICAgICAgICAg ICAgICAgdW5saW5rIChub2RlKQogICAgICAgICAgICAgICAgbWtub2QgKG5vZGUpCiAgICAgICAg ICAgICAgICBpZiAoc3ltbGluaykgewogICAgICAgICAgICAgICAgICAgICAgICB1bmxpbmsgKHN5 bWxpbmspCiAgICAgICAgICAgICAgICAgICAgICAgIGxuIChub2RlLCBzeW1saW5rKQogICAgICAg ICAgICAgICAgfQogICAgICAgICAgICAgICAgZXhpdAoKICAgICAgICBjYXNlIHJlbW92ZToKICAg ICAgICAgICAgICAgIGlmIChsYXN0LmFkZCA+IHNlcW51bSkKICAgICAgICAgICAgICAgICAgICAg ICAgZXhpdAogICAgICAgICAgICAgICAgaWYgKGxhc3QucmVtb3ZlID4gc2VxbnVtKQogICAgICAg ICAgICAgICAgICAgICAgICBleGl0CiAgICAgICAgICAgICAgICBsYXN0LnJlbW92ZSA9IHNlcW51 bQogICAgICAgICAgICAgICAgdW5saW5rIChub2RlKQogICAgICAgICAgICAgICAgaWYgKHN5bWxp bmspCiAgICAgICAgICAgICAgICAgICAgICAgIHVubGluayAoc3ltbGluaykKICAgICAgICAgICAg ICAgIGV4aXQKCj4gTm8sIHVkZXZkIGlzIG5lZWRlZC4KCkknbSBub3QgY29udmluY2VkLgoKLS0g ClVTQiBpcyBmb3IgbWljZSwgRmlyZVdpcmUgaXMgZm9yIG1lbiEKCnNVc2UgbElOVVggYWcsIG7D nFJOQkVSRwoKCi0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0KVGhlIFNGLk5ldCBlbWFpbCBpcyBzcG9uc29yZWQgYnkgRWNsaXBzZUNvbiAyMDA0 ClByZW1pZXJlIENvbmZlcmVuY2Ugb24gT3BlbiBUb29scyBEZXZlbG9wbWVudCBhbmQgSW50ZWdy YXRpb24KU2VlIHRoZSBicmVhZHRoIG9mIEVjbGlwc2UgYWN0aXZpdHkuIEZlYnJ1YXJ5IDMtNSBp biBBbmFoZWltLCBDQS4KaHR0cDovL3d3dy5lY2xpcHNlY29uLm9yZy9vc2RuCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LWhvdHBsdWctZGV2ZWwg bWFpbGluZyBsaXN0ICBodHRwOi8vbGludXgtaG90cGx1Zy5zb3VyY2Vmb3JnZS5uZXQKTGludXgt aG90cGx1Zy1kZXZlbEBsaXN0cy5zb3VyY2Vmb3JnZS5uZXQKaHR0cHM6Ly9saXN0cy5zb3VyY2Vm b3JnZS5uZXQvbGlzdHMvbGlzdGluZm8vbGludXgtaG90cGx1Zy1kZXZlbA==