Messages in this thread | | | Subject | Re: RAID controller safety | From | Alan Cox <> | Date | Sat, 31 Dec 2005 00:49:39 +0000 |
| |
On Gwe, 2005-12-30 at 10:58 -0800, Kenny Simpson wrote: > So all writes would be treated as syncronous in the write-through case (no battery), making fsync > a no-op?
fsync is never a no-op. fsync ensures material the OS is caching hits disk drivers/disks. Barriers or write through on the disk driver ensure that it hits the media.
The two are independant
- 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/
| |