From mboxrd@z Thu Jan 1 00:00:00 1970 From: Namjae Jeon Subject: Re: [PATCH 00/16] f2fs: introduce flash-friendly file system Date: Thu, 11 Oct 2012 12:14:58 +0900 Message-ID: References: <415E76CC-A53D-4643-88AB-3D7D7DC56F98@dubeyko.com> <9DE65D03-D4EA-4B32-9C1D-1516EAE50E23@dubeyko.com> <1349553966.12699.132.camel@kjgkr> <50712AAA.5030807@gmail.com> <002201cda46e$88b84d30$9a28e790$%kim@samsung.com> <004101cda52e$72210e20$56632a60$%kim@samsung.com> <55A93BD0-CBCB-4707-A970-EB823EC54B2D@dubeyko.com> <006f01cda5ec$e63e9b60$b2bbd220$%kim@samsung.com> <1349855868.1889.87.camel@slavad-ubuntu> <009f01cda6cb$b8cb1020$2a613060$%kim@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: Vyacheslav Dubeyko , Marco Stornelli , Jaegeuk Kim , Al Viro , tytso@mit.edu, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, chur.lee@samsung.com, cm224.lee@samsung.com, jooyoung.hwang@samsung.com, linux-fsdevel@vger.kernel.org To: Jaegeuk Kim Return-path: In-Reply-To: <009f01cda6cb$b8cb1020$2a613060$%kim@samsung.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org 2012/10/10 Jaegeuk Kim : >> >> I mean that every volume is placed inside any partition (MTD or GPT). Every partition begins from any >> physical sector. So, as I can understand, f2fs volume can begin from physical sector that is laid >> inside physical erase block. Thereby, in such case of formating the f2fs's operation units will be >> unaligned in relation of physical erase blocks, from my point of view. Maybe, I misunderstand >> something but it can lead to additional FTL operations and performance degradation, from my point of >> view. > > I think mkfs already calculates the offset to align that. I think this answer is not what he want. If you don't use partition table such as dos partition table or gpt, I think that it is possible to align using mkfs. But If we should consider partition table space in storage, I don't understand how it could be align using mkfs. Thanks. > Thanks, > > -- > To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html