v0.6.2

New Functionality

• Added Linux 3.11 compatibility
• Added arcstat.py script from FreeNAS
• Added 'zpool labelclear' command from FreeBSD
• Added L2ARC compression from Illumos
• Added I/O deadman thread from Illumos
• Added SEEK_DATA/SEEK_HOLE to lseek()/llseek()
• Added writeable arc+l2arc module options
• Improved detection of advanced format (AF) disks
• Improved N-way mirror read performance
• Improved zdb to display SA xattrs

Bug Fixes

• Fixed missing zvols on import
• Fixed setting lower ashift with '-o ashift'
• Fixed xattr error handling
• Fixed kernel stack overflows
• Fixed spinning arc_adapt process
• Fixed spinning in iterate_supers_type() on unmount
• Fixed read-only pool unmount hang
• Fixed txg_quiesce deadlock
• Fixed .zfs/snapshot unmount deadlock
• Fixed zfs_readdir() returns type and offset
• Fixed SA based xattrs on symlinks
• Fixed zpool_read_label() so it reads all labels
• Fixed mount flags leaking in to the kernel
• Fixed panic in arc_read()
• Fixed panic in zfs_sb_teardown()/zfs_resume_fs()
• Fixed ARC caching freed blocks from Illumos
• Fixed slow space map condensing from Illumos
• Fixed taskq contention from Illumos