The hairy state of Linux filesystems
Feb 12, 2009, 09:01 (0 Talkback[s])
Re-Imagining Linux Platforms to Meet the Needs of Cloud Service Providers
"One attempt to measure this is to look at the interactions
between the various Linux filesystems and the rest of the kernel.
When a filesystem is compiled as a module all its (unique) external
calls show up as unresolved symbols. Here is a graph of them."