From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Yu Subject: Re: [PATCH V3 2/2] f2fs: read contiguous sit entry pages by merging for mount performance Date: Sat, 23 Nov 2013 10:53:16 +0800 Message-ID: <000c01cee7f7$471c04c0$d5540e40$@samsung.com> References: <000301cee71f$b0e54160$12afc420$@samsung.com> <1385111441.26319.81.camel@kjgkr> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Vk3MO-0002BD-9T for linux-f2fs-devel@lists.sourceforge.net; Sat, 23 Nov 2013 02:54:16 +0000 Received: from mailout3.samsung.com ([203.254.224.33]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-MD5:128) (Exim 4.76) id 1Vk3MM-0000Fx-F8 for linux-f2fs-devel@lists.sourceforge.net; Sat, 23 Nov 2013 02:54:16 +0000 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MWP00JH5427BVA0@mailout3.samsung.com> for linux-f2fs-devel@lists.sourceforge.net; Sat, 23 Nov 2013 11:54:07 +0900 (KST) In-reply-to: <1385111441.26319.81.camel@kjgkr> Content-language: zh-cn List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: jaegeuk.kim@samsung.com Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net SGksCgo+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tCj4gRnJvbTogSmFlZ2V1ayBLaW0gW21h aWx0bzpqYWVnZXVrLmtpbUBzYW1zdW5nLmNvbV0KPiBTZW50OiBGcmlkYXksIE5vdmVtYmVyIDIy LCAyMDEzIDU6MTEgUE0KPiBUbzogQ2hhbyBZdQo+IENjOiBsaW51eC1mc2RldmVsQHZnZXIua2Vy bmVsLm9yZzsgbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZzsgbGludXgtZjJmcy1kZXZlbEBs aXN0cy5zb3VyY2Vmb3JnZS5uZXQ7IOiwreWnnQo+IFN1YmplY3Q6IFJlOiBbZjJmcy1kZXZdIFtQ QVRDSCBWMyAyLzJdIGYyZnM6IHJlYWQgY29udGlndW91cyBzaXQgZW50cnkgcGFnZXMgYnkgbWVy Z2luZyBmb3IgbW91bnQgcGVyZm9ybWFuY2UKPiAKPiBIaSwKPiAKPiBKdXN0IG9uZSBuaXB0aWNr Lgo+IAo+IDIwMTMtMTEtMjIgKOq4iCksIDA5OjA5ICswODAwLCBDaGFvIFl1Ogo+ID4gUHJldmlv dXNseSB3ZSByZWFkIHNpdCBlbnRyaWVzIHBhZ2Ugb25lIGJ5IG9uZSwgdGhpcyBtZXRob2QgbG9z dCB0aGUgY2hhbmNlCj4gPiBvZiByZWFkaW5nIGNvbnRpZ3VvdXMgcGFnZSB0b2dldGhlci4gU28g d2UgcmVhZCBwYWdlcyBhcyBjb250aWd1b3VzIGFzCj4gPiBwb3NzaWJsZSBmb3IgYmV0dGVyIG1v dW50IHBlcmZvcm1hbmNlLgo+ID4KPiA+IGNoYW5nZSBsb2c6Cj4gPiAgbyBtZXJnZSBqdWRnZW1l bnRzL3VzZSAnQ29udGludWUnIG9yICdCcmVhaycgaW5zdGVhZCBvZiAnR290bycgYXMgR3UgWmhl bmcKPiA+ICAgIHN1Z2dlc3RlZC4KPiA+ICBvIGFkZCBtYXJrX3BhZ2VfYWNjZXNzZWQoKSBiZWZv cmUgcmVsZWFzZSBwYWdlIHRvIGRlbGF5IFZNIHJlY2xhaW1pbmcuCj4gPiAgbyByZW1vdmUgJypv cmRlcicgZm9yIHNpbXBsaWZpY2F0aW9uIG9mIGZ1bmN0aW9uIGFzIEphZWdldWsgS2ltIHN1Z2dl c3RlZC4KPiA+Cj4gPiBTaWduZWQtb2ZmLWJ5OiBDaGFvIFl1IDxjaGFvMi55dUBzYW1zdW5nLmNv bT4KPiA+IC0tLQo+ID4gIGZzL2YyZnMvc2VnbWVudC5jIHwgIDEwMyArKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tLQo+ID4gIGZzL2YyZnMvc2VnbWVu dC5oIHwgICAgMiArKwo+ID4gIDIgZmlsZXMgY2hhbmdlZCwgNzggaW5zZXJ0aW9ucygrKSwgMjcg ZGVsZXRpb25zKC0pCj4gPgo+ID4gZGlmZiAtLWdpdCBhL2ZzL2YyZnMvc2VnbWVudC5jIGIvZnMv ZjJmcy9zZWdtZW50LmMKPiA+IGluZGV4IDgxNDllYmEuLjk5OGU3ZDMgMTAwNjQ0Cj4gPiAtLS0g YS9mcy9mMmZzL3NlZ21lbnQuYwo+ID4gKysrIGIvZnMvZjJmcy9zZWdtZW50LmMKPiA+IEBAIC0x NCw2ICsxNCw3IEBACj4gPiAgI2luY2x1ZGUgPGxpbnV4L2Jsa2Rldi5oPgo+ID4gICNpbmNsdWRl IDxsaW51eC9wcmVmZXRjaC5oPgo+ID4gICNpbmNsdWRlIDxsaW51eC92bWFsbG9jLmg+Cj4gPiAr I2luY2x1ZGUgPGxpbnV4L3N3YXAuaD4KPiA+Cj4gPiAgI2luY2x1ZGUgImYyZnMuaCIKPiA+ICAj aW5jbHVkZSAic2VnbWVudC5oIgo+ID4gQEAgLTE0ODgsNDEgKzE0ODksODkgQEAgc3RhdGljIGlu dCBidWlsZF9jdXJzZWcoc3RydWN0IGYyZnNfc2JfaW5mbyAqc2JpKQo+ID4gIAlyZXR1cm4gcmVz dG9yZV9jdXJzZWdfc3VtbWFyaWVzKHNiaSk7Cj4gPiAgfQo+ID4KPiA+ICtzdGF0aWMgaW50IHJh X3NpdF9wYWdlcyhzdHJ1Y3QgZjJmc19zYl9pbmZvICpzYmksIGludCBzdGFydCwgaW50IG5ycGFn ZXMpCj4gPiArewo+ID4gKwlzdHJ1Y3QgYWRkcmVzc19zcGFjZSAqbWFwcGluZyA9IHNiaS0+bWV0 YV9pbm9kZS0+aV9tYXBwaW5nOwo+ID4gKwlzdHJ1Y3QgcGFnZSAqcGFnZTsKPiA+ICsJYmxvY2tf dCBibGtfYWRkciwgcHJldl9ibGtfYWRkciA9IDA7Cj4gPiArCWludCBzaXRfYmxrX2NudCA9IFNJ VF9CTEtfQ05UKHNiaSk7Cj4gCj4gQ2FuIHdlIHJlbW92ZSBTSVRfQkxLX0NOVCBieSByZXBsYWNp bmcgd2l0aCBzaXRfaS0+c2l0X2Jsb2Nrcz8KCkJlY2F1c2Ugc2l0X2ktPnNpdF9ibG9ja3MgaXMg YSBtdWx0aXBsZSBvZiBzZWdtZW50IHNpemUoaS5lLiA1MTIvMTAyNCksCmJ1dCB3ZSBtYXkgdXNl IHBhcnQgb2Ygc2l0X2Jsb2Nrcywgbm90IGFsbCBvZiB0aGVtLiBTbyBpdCdzIHdhc3RlIHRvIHJl YWQgCmFsbCBvZiB0aGVtLgpXaGF0J3MgeW91ciBvcGluaW9uPwoKUmVnYXJkcywKWXUKCj4gCj4g LS0KPiBKYWVnZXVrIEtpbQo+IFNhbXN1bmcKCgotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KU2hhcGUg dGhlIE1vYmlsZSBFeHBlcmllbmNlOiBGcmVlIFN1YnNjcmlwdGlvbgpTb2Z0d2FyZSBleHBlcnRz IGFuZCBkZXZlbG9wZXJzOiBCZSBhdCB0aGUgZm9yZWZyb250IG9mIHRlY2ggaW5ub3ZhdGlvbi4K SW50ZWwoUikgU29mdHdhcmUgQWRyZW5hbGluZSBkZWxpdmVycyBzdHJhdGVnaWMgaW5zaWdodCBh bmQgZ2FtZS1jaGFuZ2luZyAKY29udmVyc2F0aW9ucyB0aGF0IHNoYXBlIHRoZSByYXBpZGx5IGV2 b2x2aW5nIG1vYmlsZSBsYW5kc2NhcGUuIFNpZ24gdXAgbm93LiAKaHR0cDovL3B1YmFkcy5nLmRv dWJsZWNsaWNrLm5ldC9nYW1wYWQvY2xrP2lkPTYzNDMxMzExJml1PS80MTQwL29zdGcuY2xrdHJr Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LWYy ZnMtZGV2ZWwgbWFpbGluZyBsaXN0CkxpbnV4LWYyZnMtZGV2ZWxAbGlzdHMuc291cmNlZm9yZ2Uu bmV0Cmh0dHBzOi8vbGlzdHMuc291cmNlZm9yZ2UubmV0L2xpc3RzL2xpc3RpbmZvL2xpbnV4LWYy ZnMtZGV2ZWwK