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Because ZFS bypasses the page cache we don't inherit per-task I/O accounting for free. However, the Linux kernel does provide helper functions allow us to perform our own accounting. These are most commonly used for direct IO which also bypasses the page cache, but they can be used for the common read/write call paths as well. Signed-off-by: Pavel Snajdr <snajpa@snajpa.net> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #313 Closes #1275
Native ZFS for Linux!
ZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the Illumos community.
ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers.
Full documentation for installing ZoL on your favorite Linux distribution can be found at: http://zfsonlinux.org