Messages in this thread |  | | From | "Peter T. Breuer" <> | Subject | Re: [RFC] mount flag "direct" | Date | Tue, 3 Sep 2002 18:04:41 +0200 (MET DST) |
| |
"A month of sundays ago Maciej W. Rozycki wrote:" > On Tue, 3 Sep 2002, Rik van Riel wrote: > > And what if they both allocate the same disk block to another > > file, simultaneously ? > > You need a mutex then. For SCSI devices a reservation is the way to go > -- the RESERVE/RELEASE commands are mandatory for direct-access devices, > so thy should work universally for disks.
Is there provision in VFS for this operation?
(i.e. care to point me at an entry point? I just grepped for "reserve" and came up with nothing useful).
Peter - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |