Date: Mon, 31 Aug 2009 13:18:02 +0200 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-hackers@freebsd.org Subject: UFS block writing Message-ID: <h7gbh3$rrk$1@ger.gmane.org>
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Does UFS do full-block writes? Always or only in specific circumstances? For example, if a UFS file system is created with the 16/2 block/fragment size, and a small random write (e.g. 512 bytes) comes in the middle of a larger file, will UFS read in the whole 16k block, modify it and write it out? What about fragments?
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