From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Yu Subject: Re: [PATCH] f2fs: avoid to use a NULL point in destroy_segment_manager Date: Wed, 06 Nov 2013 13:10:58 +0800 Message-ID: <000101cedaae$bb7ed820$327c8860$@samsung.com> References: <000001ceda8d$5b185bd0$11491370$@samsung.com> <5279BA67.4040906@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net To: 'Gu Zheng' Return-path: In-reply-to: <5279BA67.4040906@cn.fujitsu.com> Content-language: zh-cn List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net List-Id: linux-fsdevel.vger.kernel.org SGkgR3UsCgo+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tCj4gRnJvbTogR3UgWmhlbmcgW21h aWx0bzpndXouZm5zdEBjbi5mdWppdHN1LmNvbV0KPiBTZW50OiBXZWRuZXNkYXksIE5vdmVtYmVy IDA2LCAyMDEzIDExOjQxIEFNCj4gVG86IENoYW8gWXUKPiBDYzogPz8/OyBsaW51eC1mc2RldmVs QHZnZXIua2VybmVsLm9yZzsgbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZzsgbGludXgtZjJm cy1kZXZlbEBsaXN0cy5zb3VyY2Vmb3JnZS5uZXQ7IMy35q0KPiBTdWJqZWN0OiBSZTogW2YyZnMt ZGV2XSBbUEFUQ0hdIGYyZnM6IGF2b2lkIHRvIHVzZSBhIE5VTEwgcG9pbnQgaW4gZGVzdHJveV9z ZWdtZW50X21hbmFnZXIKPiAKPiBPbiAxMS8wNi8yMDEzIDA5OjEyIEFNLCBDaGFvIFl1IHdyb3Rl Ogo+IAo+ID4gQSBOVUxMIHBvaW50IHNob3VsZCBhdm9pZCB0byBiZSB1c2VkIGluIGRlc3Ryb3lf c2VnbWVudF9tYW5hZ2VyIGFmdGVyIGFsbG9jYXRpbmcgbWVtb3J5IGZhaWwgZm9yIGYyZnNfc21f aW5mby4KPiAKPiBUaG91Z2ggd2l0aG91dCB0aGlzIHBhdGNoIGl0IHN0aWxsIGNhbiB3b3JrIHdl bGwsIGJlY2F1c2UgaWYgaXQgZmFpbGVkCj4gdG8gYWxsb2NhdGUgZjJmc19zbV9pbmZvLCB0aGUg c2l0X2luZm8sIGZyZWVfaW5mby4uLiBhbGwgd2VyZSBOVUxMLCBhbmQKPiB0aGUgZGVzdG9yeSBw YXRoKGUuZy4gZGVzdHJveV9kaXJ0eV9zZWdtYXApIGNhbiBkZWFsIHdpdGggdGhlbSB3ZWxsLgoK SSB0aGluayBpdCBjb3VsZCBub3Qgd29yayB3ZWxsLiBXaXRob3V0IHRoaXMgcGF0Y2ggd2UgbWF5 IGdvdCBhIHNlZ21lbnQgCmZhdWx0IGluIERJUlRZX0koc2JpKSBhdCB0aGUgZm9sbG93aW5nIGNv ZGUgaWYgaXQgZmFpbGVkIHRvIGFsbG9jYXRlIApmMmZzX3NtX2luZm8gbWVtb3J5KHNiaS0+c21f aW5mbykuIFJpZ2h0PwoKc3RhdGljIHZvaWQgZGVzdHJveV9kaXJ0eV9zZWdtYXAoc3RydWN0IGYy ZnNfc2JfaW5mbyAqc2JpKQp7CglzdHJ1Y3QgZGlydHlfc2VnbGlzdF9pbmZvICpkaXJ0eV9pID0g RElSVFlfSShzYmkpOwoKPiBJTU8sIHRoaXMgcGF0Y2ggaXMgc3RpbGwgYSBnb29kIGNhdGNoLgo+ IAo+IFJlZ2FyZHMsCj4gR3UKPiAKPiA+Cj4gPiBTaWduZWQtb2ZmLWJ5OiBDaGFvIFl1IDxjaGFv Mi55dUBzYW1zdW5nLmNvbT4KPiA+IC0tLQo+ID4gIGZzL2YyZnMvc2VnbWVudC5jIHwgICAgMiAr Kwo+ID4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKykKPiA+Cj4gPiBkaWZmIC0tZ2l0 IGEvZnMvZjJmcy9zZWdtZW50LmMgYi9mcy9mMmZzL3NlZ21lbnQuYwo+ID4gaW5kZXggM2Q0ZDVm Yy4uZmYzNjNlNgo+ID4gLS0tIGEvZnMvZjJmcy9zZWdtZW50LmMKPiA+ICsrKyBiL2ZzL2YyZnMv c2VnbWVudC5jCj4gPiBAQCAtMTc0NCw2ICsxNzQ0LDggQEAgc3RhdGljIHZvaWQgZGVzdHJveV9z aXRfaW5mbyhzdHJ1Y3QgZjJmc19zYl9pbmZvICpzYmkpCj4gPiAgdm9pZCBkZXN0cm95X3NlZ21l bnRfbWFuYWdlcihzdHJ1Y3QgZjJmc19zYl9pbmZvICpzYmkpCj4gPiAgewo+ID4gIAlzdHJ1Y3Qg ZjJmc19zbV9pbmZvICpzbV9pbmZvID0gU01fSShzYmkpOwo+ID4gKwlpZiAoIXNtX2luZm8pCj4g PiArCQlyZXR1cm47Cj4gPiAgCWRlc3Ryb3lfZGlydHlfc2VnbWFwKHNiaSk7Cj4gPiAgCWRlc3Ry b3lfY3Vyc2VnKHNiaSk7Cj4gPiAgCWRlc3Ryb3lfZnJlZV9zZWdtYXAoc2JpKTsKCgoKLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tCk5vdmVtYmVyIFdlYmluYXJzIGZvciBDLCBDKyssIEZvcnRyYW4gRGV2 ZWxvcGVycwpBY2NlbGVyYXRlIGFwcGxpY2F0aW9uIHBlcmZvcm1hbmNlIHdpdGggc2NhbGFibGUg cHJvZ3JhbW1pbmcgbW9kZWxzLiBFeHBsb3JlCnRlY2huaXF1ZXMgZm9yIHRocmVhZGluZywgZXJy b3IgY2hlY2tpbmcsIHBvcnRpbmcsIGFuZCB0dW5pbmcuIEdldCB0aGUgbW9zdCAKZnJvbSB0aGUg bGF0ZXN0IEludGVsIHByb2Nlc3NvcnMgYW5kIGNvcHJvY2Vzc29ycy4gU2VlIGFic3RyYWN0cyBh bmQgcmVnaXN0ZXIKaHR0cDovL3B1YmFkcy5nLmRvdWJsZWNsaWNrLm5ldC9nYW1wYWQvY2xrP2lk PTYwMTM2MjMxJml1PS80MTQwL29zdGcuY2xrdHJrCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCkxpbnV4LWYyZnMtZGV2ZWwgbWFpbGluZyBsaXN0CkxpbnV4 LWYyZnMtZGV2ZWxAbGlzdHMuc291cmNlZm9yZ2UubmV0Cmh0dHBzOi8vbGlzdHMuc291cmNlZm9y Z2UubmV0L2xpc3RzL2xpc3RpbmZvL2xpbnV4LWYyZnMtZGV2ZWwK