svn commit: r189967 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[John Baldwin]

On Wednesday 18 March 2009 12:19:44 pm John Baldwin wrote:
> Author: jhb
> Date: Wed Mar 18 16:19:44 2009
> New Revision: 189967
> URL: http://svn.freebsd.org/changeset/base/189967
> 
> Log:
>   The zfs_get_xattrdir() function is used to find the extended attribute
>   directory for a znode.  When the directory already exists, it returns a
>   referenced but unlocked vnode.  When a directory does not yet exist, it
>   calls zfs_make_xattrdir() to create a new one.  zfs_make_xattrdir() returns
>   the vnode both referenced and and locked and zfs_get_xattrdir() was leaking
>   this vnode lock to its callers.  Fix this by dropping the vnode lock if
>   zfs_make_xattrdir() successfully creates a new extended attribute
>   directory.

This should fix the panics with ZFS and tar + EA.

-- 
John Baldwin