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Message-ID: <CAM3LPOYJXNtCqtbTyfwDAZT25MsmNU7Hrxv=tk-ybdwuVBVJzQ@mail.gmail.com> Date: Thu, 12 Feb 2015 10:14:15 +0800 From: Shiquan Yang <shiquany@...il.com> To: linux-ext4@...r.kernel.org Subject: Can anyone kindly tell me disadvantage of data=writeback if I save file length myself hi, I have a case, 1. SATA disk + buffered write 2. one node with N disks, and the first disk is meta disk, and the left 1.N is data disk 3. I will write data in disk 1-N, and record the chunk file length in meta disk (disk0). in such case, can I safely set data=writeback without any possible problem, maybe include data corrupt, slow recovery when node restart, ... ? thanks very much. -- Raymond Attitude is Everything. -- 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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