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Eliminate unnecessary vm object locking from tmpfs_nocacheread().

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This commit is contained in:
Alan Cox 2013-06-04 15:40:45 +00:00
parent af13de0f57
commit ba887a9b33
1 changed files with 0 additions and 2 deletions
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2
sys/fs/tmpfs/tmpfs_vnops.c
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@ -490,7 +490,6 @@ tmpfs_nocacheread(vm_object_t tobj, vm_pindex_t idx,
vm_page_unlock(m); vm_page_unlock(m);
VM_OBJECT_WUNLOCK(tobj); VM_OBJECT_WUNLOCK(tobj);
error = uiomove_fromphys(&m, offset, tlen, uio); error = uiomove_fromphys(&m, offset, tlen, uio);
VM_OBJECT_WLOCK(tobj);
vm_page_lock(m); vm_page_lock(m);
vm_page_unhold(m); vm_page_unhold(m);
if (m->queue == PQ_NONE) { if (m->queue == PQ_NONE) {
@ -500,7 +499,6 @@ tmpfs_nocacheread(vm_object_t tobj, vm_pindex_t idx,
vm_page_requeue(m); vm_page_requeue(m);
} }
vm_page_unlock(m); vm_page_unlock(m);
VM_OBJECT_WUNLOCK(tobj);
return (error); return (error);
} }