vfs: elide vnode locking when it is only needed for audit if possible
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8746bc9187
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@ -2802,9 +2802,11 @@ sys_fchflags(struct thread *td, struct fchflags_args *uap)
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if (error != 0)
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return (error);
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#ifdef AUDIT
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if (AUDITING_TD(td)) {
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vn_lock(fp->f_vnode, LK_SHARED | LK_RETRY);
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AUDIT_ARG_VNODE1(fp->f_vnode);
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VOP_UNLOCK(fp->f_vnode);
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}
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#endif
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error = setfflags(td, fp->f_vnode, uap->flags);
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fdrop(fp, td);
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@ -3303,9 +3305,11 @@ kern_futimes(struct thread *td, int fd, struct timeval *tptr,
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if (error != 0)
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return (error);
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#ifdef AUDIT
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if (AUDITING_TD(td)) {
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vn_lock(fp->f_vnode, LK_SHARED | LK_RETRY);
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AUDIT_ARG_VNODE1(fp->f_vnode);
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VOP_UNLOCK(fp->f_vnode);
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}
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#endif
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error = setutimes(td, fp->f_vnode, ts, 2, tptr == NULL);
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fdrop(fp, td);
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@ -3337,9 +3341,11 @@ kern_futimens(struct thread *td, int fd, struct timespec *tptr,
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if (error != 0)
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return (error);
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#ifdef AUDIT
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if (AUDITING_TD(td)) {
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vn_lock(fp->f_vnode, LK_SHARED | LK_RETRY);
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AUDIT_ARG_VNODE1(fp->f_vnode);
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VOP_UNLOCK(fp->f_vnode);
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}
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#endif
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error = setutimes(td, fp->f_vnode, ts, 2, flags & UTIMENS_NULL);
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fdrop(fp, td);
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