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When zfs_domount fails zsb will be freed, and its caller mount_nodev/get_sb_nodev will do deactivate_locked_super and calls into zfs_preumount. In order to make sure we don't touch any nonexistent stuff, we must make sure s_fs_info is NULL in the fail path so zfs_preumount can easily check that. Signed-off-by: Chunwei Chen <david.chen@osnexus.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #4867 Issue #4854
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