Releases
zfs-0.6.2
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
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