Re: o_sync in vfat driver

From: Andrew Morton
Date: Mon Feb 27 2006 - 18:11:09 EST


col-pepper@xxxxxxxxxxx wrote:
>
> That would not seem to be the case at least on MS systems. I had a freind
> do some timings copying a large group of files to a 128M usb flash device.
> There was an arbitary mix of files including many small files and some
> larger files, one in excess of 50MB.
>
> suse10 default 4m10
> win2k 2m30
> suse w/o sync 30s
>
> The suse test was drag and drop in konqueror , the other dnd in windows
> explorer.

We don't know that the same number of same-sized write()s were happening in
each case.

There's been some talk about implementing fsync()-on-file-close for this
problem, and some protopatches. But nothing final yet.

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