Messages in this thread |  | | Date | Tue, 17 May 2005 01:18:39 +0200 | | Subject | Re: Sync option destroys flash! | | From | Helge Hafting <> |
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On Sun, May 15, 2005 at 10:00:26PM +0300, Denis Vlasenko wrote: > > What we really need, is a less thorough version of O_SYNC. > O_SYNC currently guarantees that when syscall returns, data > is on media (or at least in disk drive's internal cache :). > > This is exactly what really paranoid people want. > Journalling labels, all that good stuff. > > But there are many cases where people just want to say > 'write out dirty data asap for this device', so that > I can copy files to floppy, wait till it stops making > noise, and eject a disk. Samr for flash if it has write > indicator (mine has a diode). > I don't really see the need for a new mode. Mount without o_sync, but use the sync command once to get things written out. Or use the umount command before ejecting, it syncs the device before returning. I use umount all the time when using compactflash. The wear is minimal.
Helge Hafting
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