tmpfs: add fast path to tmpfs_access for common case lookup
VEXEC consists of vast majority of all calls and almost all targets have at least 0111.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=355227
@ -331,6 +331,12 @@ tmpfs_access(struct vop_access_args *v)
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node = VP_TO_TMPFS_NODE(vp);
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/*
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* Common case path lookup.
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*/
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if (__predict_true(accmode == VEXEC && (node->tn_mode & 0111) == 0111))
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return (0);
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switch (vp->v_type) {
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case VDIR:
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/* FALLTHROUGH */
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