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Cyril Plisko
01b738f457
When transitioning current open TXG into QUIESCE state and opening a new one txg_quiesce() calls gethrtime(): - to mark the birth time of the new TXG - to record the SPA txg history kstat - implicitely inside spa_txg_history_add() These timestamps are practically the same, so that the first one can be used instead of the other two. The only visible difference is that inside spa_txg_history_add() the time spent in kmem_zalloc() will be counted towards the opened TXG. Since at this point the new TXG already exists (tx->tx_open_txg has been already incremented) it is actually a correct accounting. In any case this extra work is only happening when spa_txg_history kstat is activated (i.e. zfs_txg_history > 0) and doesn't affect the normal processing in any way. Signed-off-by: Cyril Plisko <cyril.plisko@mountall.com> Issue #2075
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