From mboxrd@z Thu Jan 1 00:00:00 1970 From: Feng Shuo Subject: Re: [PATCH v2 00/14] fuse: An attempt to implement a write-back cache policy Date: Tue, 27 Nov 2012 23:19:22 +0800 Message-ID: References: <20121116170123.3196.93431.stgit@maximpc.sw.ru> <50B47243.9080706@parallels.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: dev-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org, miklos-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org, "fuse-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org" , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, jbottomley-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org, viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Pavel Emelyanov To: "Maxim V. Patlasov" Return-path: In-Reply-To: <50B47243.9080706-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: fuse-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-fsdevel.vger.kernel.org VGhhbmsgeW91IE1heGltLiBUaGlzIGlzIHZlcnkgbXVjaCBjbGVhciBhbmQgbWFrZXMgc2Vuc2Ug Zm9yIG1lLgoKCk9uIFR1ZSwgTm92IDI3LCAyMDEyIGF0IDM6NTYgUE0sIE1heGltIFYuIFBhdGxh c292CjxtcGF0bGFzb3ZAcGFyYWxsZWxzLmNvbT53cm90ZToKCj4gSGkgRmVuZywKPgo+IDExLzI3 LzIwMTIgMDU6MDQgQU0sIEZlbmcgU2h1byDQv9C40YjQtdGCOgo+Cj4gIEhpIE1heGltLAo+Pgo+ PiBJJ20gbmV3IHRvIGZ1c2UgYnV0IGhhdmUgc29tZSBleHBlcmllbmNlIHdpdGggTkZTLiBGcm9t IG15Cj4+IHVuZGVyc3RhbmRpbmcgYWZ0ZXIgcmV2aWV3aW5nIHlvdXIgcGF0Y2hzZXQsIGl0IHNl ZW1zIG9ubHkgd29yayB3aXRoCj4+IGxvY2FsIGZpbGUgc3lzdGVtIG9yIGEgZGlzdHJpYnV0ZWQg ZmlsZSBzeXN0ZW0gd2hvc2UgZmlsZSBpcyBuZXZlcgo+PiBtb2RpZmllZCAoY291bGQgYmUgZ3Jv d24gYnV0IG5vIG9yIHZlcnkgZmV3IG1vZGlmaWVkKSBiZWNhdXNlIGl0Cj4+IGRvZXNuJ3QgZXhh bSB0aGUgcHJlL3Bvc3Qgc3RhdHVzIG9mIHRoZSB3cml0aW5nIG9iamVjdCAoZS5nLiBhIGZpbGUp Lgo+PiBTbyBpZiBhIGZpbGUgaXMgbW9kaWZpZWQgb3V0c2lkZSwgZnVzZSBtaWdodCBub3QgZ2V0 IGFueSBjaGFuY2UgdG8KPj4gaGFuZGxlIGl0Li4uLi4uIENvcnJlY3QgbWUgaWYgSSBnb3Qgd3Jv bmcgc2luY2UgSSdtIHJlYWxseSBuZXcgdG8KPj4gZnVzZS4gOi0pCj4+Cj4KPiBUaGlzIHRvcGlj IHdhcyBkaXNjdXNzZWQgd2hlbiBQYXZlbCBzZW50IGluaXRpYWwgdmVyc2lvbiBvZiBwYXRjaGVz ICh5b3UKPiBjYW4gZmluZCBpdCBpbiBmdXNlLWRldmVsIGFyY2hpdmVzKS4gQnJpYW4gYXNrZWQ6 Cj4KPiAgV291bGQgdGhpcyBwb3NlIGEgcHJvYmxlbSBmb3IgYSBmaWxlc3lzdGVtIGluIHdoaWNo IHRoZSBzaXplIG9mIHRoZQo+PiBpbm9kZSBjYW4gY2hhbmdlIHJlbW90ZWx5IChpLmUuLCBub3Qg dmlzaWJsZSB0byB0aGUgbG9jYWwgaW5zdGFuY2Ugb2YKPj4gZnVzZSk/IEkgaGF2ZW4ndCB0ZXN0 ZWQgdGhpcywgYnV0IGl0IHNlZW1zIGxpa2UgaXQgY291bGQgYmUgYW4gaXNzdWUKPj4gYmFzZWQg b24gdGhlIGltcGxlbWVudGF0aW9uLgo+Pgo+Cj4gQW5kIFBhdmVsIHJlcGxpZWQ6Cj4KPiAgWWVz LCBpdCB3aWxsLiBUaGUgbW9kZWwgb2YgaV9zaXplIG1hbmFnZW1lbnQgSSBpbXBsZW1lbnRlZCBo ZXJlIGlzIGJhc2VkCj4+IG9uIGFuIGFzc3VtcHRpb24gdGhhdCB0aGUgdXNlcnNwYWNlIGlzIGp1 c3QgYSBzdG9yYWdlIGZvciBkYXRhIGFuZCBzaG91bGQKPj4gY2F0Y2ggdXAgd2l0aCB0aGUga2Vy bmVsIGlfc2l6ZSB2YWx1ZS4gSW4gb3JkZXIgdG8gbWFrZSBpdCBwb3NzaWJsZSBmb3IKPj4gdXNl cgo+PiBzcGFjZSB0byB1cGRhdGUgaV9zaXplIGluIGtlcm5lbCB3ZSdkIGhhdmUgdG8gaW1wbGVt ZW50IHNvbWUgKHByb2JhYmx5KQo+PiB0cmlja3kgYWxnb3JpdGhtLCBJIGhhdmVuJ3QgeWV0IHRo b3VnaHQgYWJvdXQgaXQuCj4+Cj4KPiBUaGUgcGF0Y2gtc2V0IGZvbGxvd3MgdGhlIG1vZGVsICJ0 cnVzdCBrZXJuZWwgaV9zaXplIG9ubHkiLiBUaGlzIHdvcmtzCj4gZmluZSBhdCBsZWFzdCBpbiBj YXNlIG9mIHVzZXJzcGFjZSBmdXNlIHd0aWggZXhjbHVzaXZlIHdyaXRlIHNlbWFudGljcy4gSW4K PiBjYXNlIG9mIG11dHVhbCBjb25jdXJyZW50IGludGVybmFsL2V4dGVybmFsIHJlYWQvd3JpdGUg YWNjZXNzLCBzeXNhZCBzaG91bGQKPiBub3QgdHVybiB0aGUgZmVhdHVyZSBvbiAoaXQncyB0dXJu ZWQgb2ZmIGJ5IGRlZmF1bHQpLiBJIHdvdWxkbid0IGxpa2UgdG8KPiBjb21wbGljYXRlIHRoZSBw YXRjaC1zZXQgZnVydGhlciBhZGRpbmcgYml0cyBmb3IgdGhhdCBjYXNlLiBUaGlzIGFyZWEgaXMK PiBvcGVuZWQgZm9yIGZ1dHVyZSBlbmhhbmNlbWVudHMgOikKPgo+IFRoYW5rcywKPiBNYXhpbQo+ Cj4gLS0KPiBUbyB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5z dWJzY3JpYmUgbGludXgtZnNkZXZlbCIgaW4KPiB0aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8gbWFq b3Jkb21vQHZnZXIua2VybmVsLm9yZwo+IE1vcmUgbWFqb3Jkb21vIGluZm8gYXQgIGh0dHA6Ly92 Z2VyLmtlcm5lbC5vcmcvKiptYWpvcmRvbW8taW5mby5odG1sPGh0dHA6Ly92Z2VyLmtlcm5lbC5v cmcvbWFqb3Jkb21vLWluZm8uaHRtbD4KPgoKCgotLSAKRmVuZyBTaHVvClRlbDogKDg2KTEwLTU5 ODUxMTU1LTIxMTYKRmF4OiAoODYpMTAtNTk4NTExNTUtMjAwOApUaWFuamluIFpob25na2UgQmx1 ZSBXaGFsZSBJbmZvcm1hdGlvbiBUZWNobm9sb2dpZXMgQ28uLCBMdGQKMTB0aCBGbG9vciwgVG93 ZXIgQSwgVGhlIEdBVEUgYnVpbGRpbmcsIE5vLiAxOSBaaG9uZy1ndWFuLWN1biBBdmVudWUKSGFp ZGlhbiBEaXN0cmljdCwgQmVpamluZywgQ2hpbmEKUG9zdGNvZGUgMTAwMDgwCi0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLQpNb25pdG9yIHlvdXIgcGh5c2ljYWwsIHZpcnR1YWwgYW5kIGNsb3VkIGluZnJh c3RydWN0dXJlIGZyb20gYSBzaW5nbGUKd2ViIGNvbnNvbGUuIEdldCBpbi1kZXB0aCBpbnNpZ2h0 IGludG8gYXBwcywgc2VydmVycywgZGF0YWJhc2VzLCB2bXdhcmUsClNBUCwgY2xvdWQgaW5mcmFz dHJ1Y3R1cmUsIGV0Yy4gRG93bmxvYWQgMzAtZGF5IEZyZWUgVHJpYWwuClByaWNpbmcgc3RhcnRz IGZyb20gJDc5NSBmb3IgMjUgc2VydmVycyBvciBhcHBsaWNhdGlvbnMhCmh0dHA6Ly9wLnNmLm5l dC9zZnUvem9ob19kZXYyZGV2X25vdgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpmdXNlLWRldmVsIG1haWxpbmcgbGlzdApmdXNlLWRldmVsQGxpc3RzLnNv dXJjZWZvcmdlLm5ldApodHRwczovL2xpc3RzLnNvdXJjZWZvcmdlLm5ldC9saXN0cy9saXN0aW5m by9mdXNlLWRldmVsCg==