Viewing: xarray.h
/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef _LINUX_XARRAY_LUSTRE_H
#define _LINUX_XARRAY_LUSTRE_H
/*
* eXtensible Arrays
* Copyright (c) 2017 Microsoft Corporation
* Author: Matthew Wilcox <willy@infradead.org>
*
* This is taken from kernel commit:
*
* 7b785645e ("mm: fix page cache convergence regression")
*
* at kernel verison 5.2-rc2
*
* See Documentation/core-api/xarray.rst for how to use the XArray.
*/
#include <linux/xarray.h>
/* Linux kernel version v5.0 commit fd9dc93e36231fb6d520e0edd467058fad4fd12d
* ("XArray: Change xa_insert to return -EBUSY")
* instead of -EEXIST
*/
static inline int __must_check ll_xa_insert(struct xarray *xa,
unsigned long index,
void *entry, gfp_t gpf)
{
int rc = xa_insert(xa, index, entry, gpf);
if (rc == -EEXIST)
rc = -EBUSY;
return rc;
}
#endif /* _LINUX_XARRAY_LUSTRE_H */
