Differential D28401 Diff 83050 sys/fs/tmpfs/tmpfs_vnops.c

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sys/fs/tmpfs/tmpfs_vnops.c

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tmpfs_vn_get_ino_alloc(struct mount mp, void arg, int lkflags,		tmpfs_vn_get_ino_alloc(struct mount mp, void arg, int lkflags,
struct vnode **rvp)		struct vnode **rvp)
{		{

return (tmpfs_alloc_vp(mp, arg, lkflags, rvp));		return (tmpfs_alloc_vp(mp, arg, lkflags, rvp));
}		}

static int		static int
tmpfs_lookup1(struct vnode dvp, struct vnode vpp, struct componentname cnp)		tmpfs_lookup1(struct vnode dvp, struct vnode vpp, struct componentname cnp,
		bool cached)
{		{
struct tmpfs_dirent *de;		struct tmpfs_dirent *de;
struct tmpfs_node dnode, pnode;		struct tmpfs_node dnode, pnode;
struct tmpfs_mount *tm;		struct tmpfs_mount *tm;
int error;		int error;

dnode = VP_TO_TMPFS_DIR(dvp);		dnode = VP_TO_TMPFS_DIR(dvp);
*vpp = NULLVP;		*vpp = NULLVP;

/* Check accessibility of requested node as a first step. */		/*
		* Check accessibility of requested node as a first step. If we are
		* coming in via VOP_CACHEDLOOKUP, then this has already been done for
		* us and we must not check again.
		*/
		if (!cached) {
		kibUnsubmitted Not Done Inline Actions Instead of adding cached param, you can move vn_dir_check_exec() into tmpfs_lookup(). kib: Instead of adding cached param, you can move vn_dir_check_exec() into tmpfs_lookup().
error = vn_dir_check_exec(dvp, cnp);		error = vn_dir_check_exec(dvp, cnp);
if (error != 0)		if (error != 0)
goto out;		goto out;
		}

/* We cannot be requesting the parent directory of the root node. */		/* We cannot be requesting the parent directory of the root node. */
MPASS(IMPLIES(dnode->tn_type == VDIR &&		MPASS(IMPLIES(dnode->tn_type == VDIR &&
dnode->tn_dir.tn_parent == dnode,		dnode->tn_dir.tn_parent == dnode,
!(cnp->cn_flags & ISDOTDOT)));		!(cnp->cn_flags & ISDOTDOT)));

TMPFS_ASSERT_LOCKED(dnode);		TMPFS_ASSERT_LOCKED(dnode);
if (dnode->tn_dir.tn_parent == NULL) {		if (dnode->tn_dir.tn_parent == NULL) {
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return (error);		return (error);
}		}

static int		static int
tmpfs_cached_lookup(struct vop_cachedlookup_args *v)		tmpfs_cached_lookup(struct vop_cachedlookup_args *v)
{		{

return (tmpfs_lookup1(v->a_dvp, v->a_vpp, v->a_cnp));		return (tmpfs_lookup1(v->a_dvp, v->a_vpp, v->a_cnp, true));
}		}

static int		static int
tmpfs_lookup(struct vop_lookup_args *v)		tmpfs_lookup(struct vop_lookup_args *v)
{		{

return (tmpfs_lookup1(v->a_dvp, v->a_vpp, v->a_cnp));		return (tmpfs_lookup1(v->a_dvp, v->a_vpp, v->a_cnp, false));
}		}

static int		static int
tmpfs_create(struct vop_create_args *v)		tmpfs_create(struct vop_create_args *v)
{		{
struct vnode *dvp = v->a_dvp;		struct vnode *dvp = v->a_dvp;
struct vnode **vpp = v->a_vpp;		struct vnode **vpp = v->a_vpp;
struct componentname *cnp = v->a_cnp;		struct componentname *cnp = v->a_cnp;
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