Martin Matuska 8d87b396f8 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		2010-08-28 09:24:11 +00:00
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opensolaris	Import changes from OpenSolaris that provide	2010-08-28 09:24:11 +00:00