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// SPDX-License-Identifier: GPL-2.0
/*
* FUSE passthrough to backing file.
*
* Copyright (c) 2023 CTERA Networks.
*/
#include "fuse_i.h"
#include <linux/file.h>
struct fuse_backing *fuse_backing_get(struct fuse_backing *fb)
{
if (fb && refcount_inc_not_zero(&fb->count))
return fb;
return NULL;
}
static void fuse_backing_free(struct fuse_backing *fb)
{
if (fb->file)
fput(fb->file);
kfree_rcu(fb, rcu);
}
void fuse_backing_put(struct fuse_backing *fb)
{
if (fb && refcount_dec_and_test(&fb->count))
fuse_backing_free(fb);
}
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