Ramdisks and hard drives as cache devices
Ramdisks and hard drives as cache devices
Posted Jul 8, 2010 14:57 UTC (Thu) by etienne (guest, #25256)In reply to: Ramdisks and hard drives as cache devices by butlerm
Parent article: Bcache: Caching beyond just RAM
> I imagine that Bcache caches O_DIRECT reads and writes, which could give a caching advantage even where an application has elected to bypass the ordinary buffer cache.
An application like a boot-loader installation/upgrade which tries to tell which disk sectors to load from the MBR?
I hope there is a sync() to write to (the real destination) disk.