svn commit: r211932 - in head/sys/cddl: compat/opensolaris/kern compat/opensolaris/sys contrib/opensolaris/uts/common contrib/opensolaris/uts/common/fs/zfs contrib/opensolaris/uts/common/fs/zfs/sys...

[Pawel Jakub Dawidek]

On Sat, Aug 28, 2010 at 09:24:11AM +0000, Martin Matuska wrote:
> Author: mm
> Date: Sat Aug 28 09:24:11 2010
> New Revision: 211932
> URL: http://svn.freebsd.org/changeset/base/211932
> 
> Log:
>   Import changes from OpenSolaris that provide
>   - better ACL caching and speedup of ACL permission checks
>   - faster handling of stat()
>   - lowered mutex contention in the read/writer lock (rrwlock)
>   - several related bugfixes
>   
>   Detailed information (OpenSolaris onnv changesets and Bug IDs):
>   
>   9749:105f407a2680
>   6802734	Support for Access Based Enumeration (not used on FreeBSD)
>   6844861	inconsistent xattr readdir behavior with too-small buffer
>   
>   9866:ddc5f1d8eb4e
>   6848431	zfs with rstchown=0 or file_chown_self privilege allows user to "take" ownership
>   
>   9981:b4907297e740
>   6775100	stat() performance on files on zfs should be improved
>   6827779	rrwlock is overly protective of its counters
>   
>   10143:d2d432dfe597
>   6857433	memory leaks found at: zfs_acl_alloc/zfs_acl_node_alloc
>   6860318	truncate() on zfsroot succeeds when file has a component of its path set without access permission
>   
>   10232:f37b85f7e03e
>   6865875	zfs sometimes incorrectly giving search access to a dir
>   
>   10250:b179ceb34b62
>   6867395	zpool_upgrade_007_pos testcase panic'd with BAD TRAP: type=e (#pf Page fault)
>   
>   10269:2788675568fd
>   6868276	zfs_rezget() can be hazardous when znode has a cached ACL
>   
>   10295:f7a18a1e9610
>   6870564	panic in zfs_getsecattr
>   
>   Approved by:	delphij (mentor)
>   Obtained from:	OpenSolaris (multiple Bug IDs)
>   MFC after:	2 weeks
[...]
> --- head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files	Sat Aug 28 08:59:55 2010	(r211931)
> +++ head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files	Sat Aug 28 09:24:11 2010	(r211932)
> @@ -19,6 +19,9 @@
>  # CDDL HEADER END
>  #
>  
> +ZUT_OBJS +=			\
> +	zut.o
> +
>  #
>  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
>  # Use is subject to license terms.
[...]
> --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/rrwlock.c	Sat Aug 28 08:59:55 2010	(r211931)
> +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/rrwlock.c	Sat Aug 28 09:24:11 2010	(r211932)
[...]
> @@ -84,7 +82,7 @@ rrn_find(rrwlock_t *rrl)
>  	rrw_node_t *rn;
>  
>  	if (refcount_count(&rrl->rr_linked_rcount) == 0)
> -		return (NULL);
> +		return (B_FALSE);
>  
>  	for (rn = tsd_get(rrw_tsd_key); rn != NULL; rn = rn->rn_next) {
>  		if (rn->rn_rrl == rrl)

Those two chunks are incorrect, please consult my p4 branch.

-- 
Pawel Jakub Dawidek                       http://www.wheelsystems.com
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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