Messages in this thread |  | | | Date | Sat, 13 Jun 2009 16:59:57 +0100 | | From | Jamie Lokier <> | | Subject | Re: [PATCH 00/14] Pramfs: Persistent and protected ram filesystem |
| |
Marco wrote: > Linux traditionally had no support for a persistent, non-volatile > RAM-based filesystem, persistent meaning the filesystem survives a > system reboot or power cycle intact. The RAM-based filesystems such as > tmpfs and ramfs have no actual backing store but exist entirely in the > page and buffer caches, hence the filesystem disappears after a system > reboot or power cycle.
Why is a ramdisk not sufficient for this?
Why is an entire filesystem needed, instead of simply a block driver if the ramdisk driver cannot be used?
It just struck me as a lot of code which might be completely unnecessary for the desired functionality.
-- Jamie
|  |