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Message-ID: <49CF636A.3030400@ursus.ath.cx> Date: Sun, 29 Mar 2009 14:02:50 +0200 From: "Andreas T.Auer" <andreas.t.auer_lkml_73537@...us.ath.cx> To: Måns Rullgård <mans@...sr.com> CC: linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org Subject: Re: Zero length files - an alternative approach? On 29.03.2009 13:22 Måns Rullgård wrote: > Consider this scenario: > > 1. Create/write/close newfile > 2. Rename newfile to oldfile > 3. Open/read oldfile. This must return the new contents. > 4. System crash and reboot before delayed allocation/flush complete > 5. Open/read oldfile. Old contents now returned. > > This rollback isn't obviously, to me at least, without problems of its > own. > > Having the old data in 5) is far better than having no data in 5). -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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