Date: Wed, 16 Jun 2010 00:41:21 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r209226 - head/sys/fs/tmpfs Message-ID: <201006160041.o5G0fLvZ041271@svn.freebsd.org>
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Author: alc Date: Wed Jun 16 00:41:21 2010 New Revision: 209226 URL: http://svn.freebsd.org/changeset/base/209226 Log: Eliminate unnecessary page queues locking. Modified: head/sys/fs/tmpfs/tmpfs_vnops.c Modified: head/sys/fs/tmpfs/tmpfs_vnops.c ============================================================================== --- head/sys/fs/tmpfs/tmpfs_vnops.c Tue Jun 15 23:55:42 2010 (r209225) +++ head/sys/fs/tmpfs/tmpfs_vnops.c Wed Jun 16 00:41:21 2010 (r209226) @@ -653,9 +653,7 @@ lookupvpg: 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 { @@ -690,15 +688,13 @@ nocache: out: if (vobj != NULL) VM_OBJECT_LOCK(vobj); - vm_page_lock(tpg); - vm_page_lock_queues(); if (error == 0) { KASSERT(tpg->valid == VM_PAGE_BITS_ALL, ("parts of tpg invalid")); vm_page_dirty(tpg); } + vm_page_lock(tpg); vm_page_unwire(tpg, TRUE); - vm_page_unlock_queues(); vm_page_unlock(tpg); vm_page_wakeup(tpg); if (vpg != NULL)
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