Linux Today: Linux News On Internet Time.

"Fake" Write Support

Jun 10, 2008, 18:45 (0 Talkback[s])

"In a series of seven patches, Arnd Bergmann proposed adding in-memory write support to mounted cramfs file systems. He explained, 'the intention is to use it for instance on read-only root file systems like CD-ROM, or on compressed initrd images. In either case, no data is written back to the medium, but remains in the page/inode/dentry cache, like ramfs does.' Reactions were mixed. When Arnd suggested this as an alternative to using the more complex unionfs to overlay a temporary filesystem over a read-only file system, and that similar support could be added to other file systems, it was pointed out that there was ultimately more gained by focusing on a single solution that worked with all filesystems. David Newall stressed, 'multiple implementations is a recipe for bugs and feature mismatch...'"

Complete Story

Related Stories: