On 26 Mar, Manfred Spraul wrote:
>>Compare file sync methods with one 8k write:
>>        (o_dsync unavailable)  
>>        open o_sync, write       6.270724
>>        write, fdatasync        13.275225
>>        write, fsync,           13.359847
> Odd. Which filesystem, which kernel? It seems fdatasync is broken and 
> syncs the inode, too.

It's linux-2.6.5-rc1 with ext2 filesystems.

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