Date: Sun, 22 Feb 2009 20:11:10 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r188931 - user/alc/pagelock/sys/fs/tmpfs Message-ID: <200902222011.n1MKBA3i005434@svn.freebsd.org>
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Author: alc Date: Sun Feb 22 20:11:10 2009 New Revision: 188931 URL: http://svn.freebsd.org/changeset/base/188931 Log: Eliminate unnecessary page queues locking. Modified: user/alc/pagelock/sys/fs/tmpfs/tmpfs_vnops.c Modified: user/alc/pagelock/sys/fs/tmpfs/tmpfs_vnops.c ============================================================================== --- user/alc/pagelock/sys/fs/tmpfs/tmpfs_vnops.c Sun Feb 22 19:59:41 2009 (r188930) +++ user/alc/pagelock/sys/fs/tmpfs/tmpfs_vnops.c Sun Feb 22 20:11:10 2009 (r188931) @@ -569,9 +569,7 @@ lookupvpg: if (vm_page_sleep_if_busy(vpg, FALSE, "tmfsmw")) goto lookupvpg; vm_page_busy(vpg); - vm_page_lock_queues(); vm_page_undirty(vpg); - vm_page_unlock_queues(); VM_OBJECT_UNLOCK(vobj); error = uiomove_fromphys(&vpg, offset, tlen, uio); } else { @@ -605,12 +603,12 @@ nocache: out: if (vobj != NULL) VM_OBJECT_LOCK(vobj); - vm_page_lock_queues(); if (error == 0) { vm_page_set_validclean(tpg, offset, tlen); vm_page_zero_invalid(tpg, TRUE); vm_page_dirty(tpg); } + vm_page_lock_queues(); vm_page_unwire(tpg, TRUE); vm_page_unlock_queues(); vm_page_wakeup(tpg);
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