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Message-Id: <AA4E0826-81F3-47AF-8C5E-D691BB02AB32@mac.com> Date: Sat, 4 Nov 2006 18:46:41 -0500 From: Kyle Moffett <mrmacman_g4@....com> To: Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz> Cc: Albert Cahalan <acahalan@...il.com>, kangur@...com.net, linux-kernel@...r.kernel.org Subject: Re: New filesystem for Linux On Nov 04, 2006, at 18:38:11, Mikulas Patocka wrote: > But how will fdisk deal with it? Fdisk by default aligns partitions > on 63-sector boundary, so it will make all sectors misaligned and > seriously kill performance even if filesystem uses proper 8-sector > aligned accesses. Don't use a partition-table format that dates back to drives with actual reported physical geometry and which also maxed out at 2MB or so? Even the mac-format partition tables (which aren't that much newer) don't care about physical drive geometry. Besides, unless you're running DOS, Windows 95, or some random ancient firmware that looks at your partition tables or whatever you can just tell fdisk to ignore the 63-sector-alignment constraint and align your partitions more efficiently anyways. But if you're dealing with hardware so new it supports 4k or 8k sectors, you really should be using EFI or something. Cheers, Kyle Moffett - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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