Date: Fri, 5 Jun 2009 22:21:10 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r193538 - user/kmacy/releng_7_2_fcs/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <200906052221.n55MLADB039801@svn.freebsd.org>
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Author: kmacy Date: Fri Jun 5 22:21:10 2009 New Revision: 193538 URL: http://svn.freebsd.org/changeset/base/193538 Log: we're only reading from the dnode, treat the dn_mtx as a shared rwlock Modified: user/kmacy/releng_7_2_fcs/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c Modified: user/kmacy/releng_7_2_fcs/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c ============================================================================== --- user/kmacy/releng_7_2_fcs/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c Fri Jun 5 21:00:21 2009 (r193537) +++ user/kmacy/releng_7_2_fcs/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c Fri Jun 5 22:21:10 2009 (r193538) @@ -1086,7 +1086,7 @@ void dmu_object_info_from_dnode(dnode_t *dn, dmu_object_info_t *doi) { rw_enter(&dn->dn_struct_rwlock, RW_READER); - mutex_enter(&dn->dn_mtx); + rw_enter(&dn->dn_mtx, RW_READER); doi->doi_data_block_size = dn->dn_datablksz; doi->doi_metadata_block_size = dn->dn_indblkshift ? @@ -1101,7 +1101,7 @@ dmu_object_info_from_dnode(dnode_t *dn, doi->doi_bonus_size = dn->dn_bonuslen; doi->doi_bonus_type = dn->dn_bonustype; - mutex_exit(&dn->dn_mtx); + rw_exit(&dn->dn_mtx); rw_exit(&dn->dn_struct_rwlock); }
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