From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nikolaus Rath Subject: Re: [PATCH 0/10] fuse: An attempt to implement a write-back cache policy Date: Wed, 04 Jul 2012 13:08:22 -0400 Message-ID: <4FF47886.9040107@rath.org> References: <4FF3156E.8030109@parallels.com> <87a9zg1b7q.fsf@vostro.rath.org> <4FF3EC9B.6030605@parallels.com> <4FF4438B.8050807@rath.org> <4FF45447.5000705@parallels.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "fuse-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org" , linux-fsdevel To: Pavel Emelyanov Return-path: In-Reply-To: <4FF45447.5000705-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 T24gMDcvMDQvMjAxMiAxMDozMyBBTSwgUGF2ZWwgRW1lbHlhbm92IHdyb3RlOgo+Pj4+PiBBIGdv b2Qgc29sdXRpb24gb2YgdGhpcyBpcyBzd2l0Y2hpbmcgdGhlIEZVU0UgcGFnZSBjYWNoZSBpbnRv IGEgd3JpdGUtYmFjayBwb2xpY3kuCj4+Pj4+ID4+Pj4gV2l0aCB0aGlzIGZpbGUgZGF0YSBhcmUg cHVzaGVkIHRvIHRoZSB1c2Vyc3BhY2Ugd2l0aCBiaWcgY2h1bmtzIChkZXBlbmRpbmcgb24gdGhl Cj4+Pj4+ID4+Pj4gZGlydHkgbWVtb3J5IGxpbWl0cywgYnV0IHRoaXMgaXMgbXVjaCBtb3JlIHRo YW4gMTI4aykgd2hpY2ggbGV0cyB0aGUgRlVTRSBkYWVtb25zCj4+Pj4+ID4+Pj4gaGFuZGxlIHRo ZSBzaXplIHVwZGF0ZXMgaW4gYSBtb3JlIGVmZmljaWVudCBtYW5uZXIuCj4+Pj4+ID4+Pj4KPj4+ Pj4gPj4+PiBUaGUgd3JpdGViYWNrIGZlYXR1cmUgaXMgcGVyLWNvbm5lY3Rpb24gYW5kIGlzIGV4 cGxpY2l0bHkgY29uZmlndXJhYmxlIGF0IHRoZQo+Pj4+PiA+Pj4+IGluaXQgc3RhZ2UgKGlzIGl0 IHdvcnRoIG1ha2luZyBpdCBDQVBfU09NRVRISU5HIHByb3RlY3RlZD8pCj4+Pj4gPj4+Cj4+Pj4g Pj4+IEZyb20geW91ciBkZXNjcmlwdGlvbiBpdCBzb3VuZHMgYXMgaWYgdGhlIG9ubHkgZWZmZWN0 IG9mIHdyaXRlLWJhY2sgaXMKPj4+PiA+Pj4gdG8gaW5jcmVhc2UgdGhlIGNodW5rIHNpemUuIFdo eSB0aGUgbmVlZCB0byByZXF1aXJlIHNwZWNpYWwKPj4+PiA+Pj4gcHJpdmlsZWdlcyBmb3IgdGhp cz8KPj4+ID4+Cj4+PiA+PiBQcm92aWRlZCBJIHVuZGVyc3RhbmQgdGhlIGNvZGUgY29ycmVjdGx5 OiBpZiBGVVNFIGRhZW1vbiB0dXJucyB3cml0ZWJhY2sgb24gYW5kIHNldHMKPj4+ID4+IHBlci1i ZGkgZGlydHkgbGltaXQgdG9vIGhpZ2ggaXQgY2FuIGNhdXNlIGEgZGVhZGxvY2sgb24gdGhlIGJv eC4gVGh1cyB0aGVuIGRhZW1vbgo+Pj4gPj4gc2hvdWxkIGJlIHRydXN0ZWQgYnkgdGhlIGtlcm5l bCwgaS5lLiAtLSBwcml2aWxlZ2VkLgo+PiA+IAo+PiA+IFdvdWxkbid0IGl0IGJlIG1vcmUgcmVh c29uYWJsZSB0byBlbmZvcmNlIHRoYXQgdGhlIGJkaSBkaXJ0eSBsaW1pdCBpcwo+PiA+IG5vdCBz ZXQgdG9vIGhpZ2ggdGhlbj8KPgo+IEhhcmRseSwgc2luY2UgaWYgeW91IGhhdmUgc2V2ZXJhbCBt b3VudHMgd2l0aCBzbWFsbCBiZGkgbGltaXQgZWFjaCB0aGUgc3VtIG9mIHRoZW0KPiBjYW4gYmUg c3RpbGwgaGlnaC4KClllYWgsIHNvIGlzbid0IGl0IHBvc3NpYmxlIHRvIHB1dCBhIGxpbWl0IG9u IHRoZSBzdW0gb2YgdGhlbT8KCgpJIHRoaW5rIGl0IHdvdWxkIGJlIG11Y2ggYmV0dGVyIGlmIHRo aXMgY291bGQgYmUgbWFkZSBzYWZlIHRvIHVzZQppbnN0ZWFkIG9mIHJlcXVpcmluZyBzcGVjaWFs IHByaXZpbGVnZXMuIElmIHRoYXQgaXNuJ3QgcG9zc2libGUsCndvdWxkbid0IGl0IGJlIGJldHRl ciB0byBlbmFibGUvZGlzYWJsZSB0aGUgZmVhdHVyZSBpbiAvZXRjL2Z1c2UuY29uZiwKc2ltaWxh ciB0byB0aGUgdXNlcl9hbGxvd18qIG9wdGlvbnM/CgpIYXZpbmcgdG8gZXhwbGFpbiBob3cgdG8g YXNzaWduIGNhcGFiaWxpdGllcyBpbiB0aGUgZG9jdW1lbnRhdGlvbiBvZiBhCmZ1c2UgZmlsZXN5 c3RlbSBzb3VuZHMgcXVpdGUgZHJlYWRmdWwgdG8gbWUuLi4KCgpCZXN0LAoKICAgLU5pa29sYXVz CgoKUFM6IE15IG5haXZlIGF0dGVtcHQgdG8gYXBwbHkgeW91ciBwYXRjaGVzIHRvIG15IERlYmlh biAzLjIga2VybmVsCmZhaWxlZC4gSSdtIGNvbXBpbGluZyAzLjVyYzUgYXQgdGhlIG1vbWVudCAt IHdpbGwgc2VlIGlmIEkgY2FuIGdldCBpdCB0bwpib290IGFmdGVyd2FyZHMuLi4KCgotLSAKIMK7 VGltZSBmbGllcyBsaWtlIGFuIGFycm93LCBmcnVpdCBmbGllcyBsaWtlIGEgQmFuYW5hLsKrCgog IFBHUCBmaW5nZXJwcmludDogNUI5MyA2MUY4IDRFQTIgRTI3OSBBQkY2ICAwMkNGIEE5QUQgQjdG OCBBRTRFIDQyNUMKCi0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQpMaXZlIFNlY3VyaXR5IFZpcnR1YWwg Q29uZmVyZW5jZQpFeGNsdXNpdmUgbGl2ZSBldmVudCB3aWxsIGNvdmVyIGFsbCB0aGUgd2F5cyB0 b2RheSdzIHNlY3VyaXR5IGFuZCAKdGhyZWF0IGxhbmRzY2FwZSBoYXMgY2hhbmdlZCBhbmQgaG93 IElUIG1hbmFnZXJzIGNhbiByZXNwb25kLiBEaXNjdXNzaW9ucyAKd2lsbCBpbmNsdWRlIGVuZHBv aW50IHNlY3VyaXR5LCBtb2JpbGUgc2VjdXJpdHkgYW5kIHRoZSBsYXRlc3QgaW4gbWFsd2FyZSAK dGhyZWF0cy4gaHR0cDovL3d3dy5hY2NlbGFjb21tLmNvbS9qYXcvc2ZybmwwNDI0MjAxMi8xMTQv NTAxMjIyNjMvCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CmZ1c2UtZGV2ZWwgbWFpbGluZyBsaXN0CmZ1c2UtZGV2ZWxAbGlzdHMuc291cmNlZm9yZ2UubmV0 Cmh0dHBzOi8vbGlzdHMuc291cmNlZm9yZ2UubmV0L2xpc3RzL2xpc3RpbmZvL2Z1c2UtZGV2ZWwK