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Wed, 31 May 2023 06:54:03 -0700 (PDT) MIME-Version: 1.0 References: <20230531125918.55609-1-frank.li@vivo.com> In-Reply-To: <20230531125918.55609-1-frank.li@vivo.com> From: Juhyung Park Date: Wed, 31 May 2023 22:53:52 +0900 Message-ID: To: Yangtao Li X-Headers-End: 1q4MHC-0002lc-3h Subject: Re: [f2fs-dev] [PATCH] f2fs: flag as supporting buffered async reads X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jaegeuk Kim , linux-kernel@vger.kernel.org, Lu Hongfei , linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net SGkgWWFuZ3RhbywKCkkgcmVtZW1iZXIgaGVhcmluZyB0aGF0IGYyZnMgY2FuIHBlcmZvcm0gcmVs YXRpdmVseSBwb29ybHkgdW5kZXIgaW9fdXJpbmcsCm5pY2UgZmluZC4KCkkgc3VnZ2VzdCByZXdy aXRpbmcgdGhlIGNvbW1pdCBtZXNzYWdlIHRob3VnaC4gRnJvbSB0aGUgbG9va3Mgb2YgaXQsIGl0 Cm1pZ2h0IHN1Z2dlc3QgdGhhdCBGTU9ERV9CVUZfUkFTWU5DIGlzIGEgbWFnaWMgZmxhZyB0aGF0 IGF1dG9tYXRpY2FsbHkKaW1wcm92ZXMgcGVyZm9ybWFuY2UgdGhhdCBjYW4gYmUgZW5hYmxlZCB3 aWxseSBuaWxseS4KCkhvdyBhYm91dCBzb21ldGhpbmcgbGlrZToKCmYyZnMgdXNlcyBnZW5lcmlj X2ZpbGVfYnVmZmVyZWRfcmVhZCgpLCB3aGljaCBzdXBwb3J0cyBidWZmZXJlZCBhc3luYwpyZWFk cyBzaW5jZSBjb21taXQgMWEwYTc4NTNiOTAxICgibW06IHN1cHBvcnQgYXN5bmMgYnVmZmVyZWQg cmVhZHMgaW4KZ2VuZXJpY19maWxlX2J1ZmZlcmVkX3JlYWQoKSIpLgoKTWF0Y2ggb3RoZXIgZmls ZS1zeXN0ZW1zIGFuZCBlbmFibGUgaXQuIFRoZSByZWFkIHBlcmZvcm1hbmNlIGhhcyBiZWVuCmdy ZWF0bHkgaW1wcm92ZWQgdW5kZXIgaW9fdXJpbmc6CgogICAgMTY3TS9zIC0+IDIzNE0vcywgSW5j cmVhc2UgcmF0aW8gYnkgNDAlCgpUZXN0IHcvOgogICAgLi9maW8gLS1uYW1lPW9uZXNzZCAtLWZp bGVuYW1lPS9kYXRhL3Rlc3QvbG9jYWwvaW9fdXJpbmdfdGVzdAogICAgLS1zaXplPTI1Nk0gLS1y dz1yYW5kcmVhZCAtLWJzPTRrIC0tZGlyZWN0PTAgLS1vdmVyd3JpdGU9MAogICAgLS1udW1qb2Jz PTEgLS1pb2RlcHRoPTEgLS10aW1lX2Jhc2VkPTAgLS1ydW50aW1lPTEwCiAgICAtLWlvZW5naW5l PWlvX3VyaW5nIC0tcmVnaXN0ZXJmaWxlcyAtLWZpeGVkYnVmcwogICAgLS1ndG9kX3JlZHVjZT0x IC0tZ3JvdXBfcmVwb3J0aW5nIC0tc3F0aHJlYWRfcG9sbD0xCgpPbiBXZWQsIE1heSAzMSwgMjAy MyBhdCAxMDowMeKAr1BNIFlhbmd0YW8gTGkgdmlhIExpbnV4LWYyZnMtZGV2ZWwKPGxpbnV4LWYy ZnMtZGV2ZWxAbGlzdHMuc291cmNlZm9yZ2UubmV0PiB3cm90ZToKPgo+IEFmdGVyIGVuYWJsaW5n IHRoaXMgZmVhdHVyZSwgdGhlIHJlYWQgcGVyZm9ybWFuY2UgaGFzIGJlZW4gZ3JlYXRseQo+IGlt cHJvdmVkOgo+Cj4gICAgIDE2N00vcyAtPiAyMzRNL3MsIEluY3JlYXNlIHJhdGlvIGJ5IDQwJQo+ Cj4gVGVzdCB3LzoKPiAgICAgLi9maW8gLS1uYW1lPW9uZXNzZCAtLWZpbGVuYW1lPS9kYXRhL3Rl c3QvbG9jYWwvaW9fdXJpbmdfdGVzdAo+ICAgICAtLXNpemU9MjU2TSAtLXJ3PXJhbmRyZWFkIC0t YnM9NGsgLS1kaXJlY3Q9MCAtLW92ZXJ3cml0ZT0wCj4gICAgIC0tbnVtam9icz0xIC0taW9kZXB0 aD0xIC0tdGltZV9iYXNlZD0wIC0tcnVudGltZT0xMAo+ICAgICAtLWlvZW5naW5lPWlvX3VyaW5n IC0tcmVnaXN0ZXJmaWxlcyAtLWZpeGVkYnVmcwo+ICAgICAtLWd0b2RfcmVkdWNlPTEgLS1ncm91 cF9yZXBvcnRpbmcgLS1zcXRocmVhZF9wb2xsPTEKPgo+IFNpZ25lZC1vZmYtYnk6IEx1IEhvbmdm ZWkgPGx1aG9uZ2ZlaUB2aXZvLmNvbT4KPiBTaWduZWQtb2ZmLWJ5OiBZYW5ndGFvIExpIDxmcmFu ay5saUB2aXZvLmNvbT4KPiAtLS0KPiAgZnMvZjJmcy9maWxlLmMgfCAyICstCj4gIDEgZmlsZSBj aGFuZ2VkLCAxIGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQo+Cj4gZGlmZiAtLWdpdCBhL2Zz L2YyZnMvZmlsZS5jIGIvZnMvZjJmcy9maWxlLmMKPiBpbmRleCAwMTVlZDI3NGRjMzEuLjIzYzY4 ZWU5NDZlNSAxMDA2NDQKPiAtLS0gYS9mcy9mMmZzL2ZpbGUuYwo+ICsrKyBiL2ZzL2YyZnMvZmls ZS5jCj4gQEAgLTU0Niw3ICs1NDYsNyBAQCBzdGF0aWMgaW50IGYyZnNfZmlsZV9vcGVuKHN0cnVj dCBpbm9kZSAqaW5vZGUsIHN0cnVjdCBmaWxlICpmaWxwKQo+ICAgICAgICAgaWYgKGVycikKPiAg ICAgICAgICAgICAgICAgcmV0dXJuIGVycjsKPgo+IC0gICAgICAgZmlscC0+Zl9tb2RlIHw9IEZN T0RFX05PV0FJVDsKPiArICAgICAgIGZpbHAtPmZfbW9kZSB8PSBGTU9ERV9OT1dBSVQgfCBGTU9E RV9CVUZfUkFTWU5DOwo+Cj4gICAgICAgICByZXR1cm4gZHF1b3RfZmlsZV9vcGVuKGlub2RlLCBm aWxwKTsKPiAgfQo+IC0tCj4gMi4zOS4wCj4KPgo+Cj4gX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KPiBMaW51eC1mMmZzLWRldmVsIG1haWxpbmcgbGlzdAo+ IExpbnV4LWYyZnMtZGV2ZWxAbGlzdHMuc291cmNlZm9yZ2UubmV0Cj4gaHR0cHM6Ly9saXN0cy5z b3VyY2Vmb3JnZS5uZXQvbGlzdHMvbGlzdGluZm8vbGludXgtZjJmcy1kZXZlbAoKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LWYyZnMtZGV2ZWwg bWFpbGluZyBsaXN0CkxpbnV4LWYyZnMtZGV2ZWxAbGlzdHMuc291cmNlZm9yZ2UubmV0Cmh0dHBz Oi8vbGlzdHMuc291cmNlZm9yZ2UubmV0L2xpc3RzL2xpc3RpbmZvL2xpbnV4LWYyZnMtZGV2ZWwK