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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2017, Intel Corporation. All rights reserved.
*/
#ifndef _SYS_ZFS_PROJECT_H
#define _SYS_ZFS_PROJECT_H
#ifndef _KERNEL
#ifndef _SYS_MOUNT_H
/* XXX: some hack to avoid include sys/mount.h */
#define _SYS_MOUNT_H
#endif
#endif
#include <sys/vfs.h>
#ifdef FS_PROJINHERIT_FL
#define ZFS_PROJINHERIT_FL FS_PROJINHERIT_FL
#else
#define ZFS_PROJINHERIT_FL 0x20000000
#endif
#ifdef FS_IOC_FSGETXATTR
typedef struct fsxattr zfsxattr_t;
#define ZFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
#define ZFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
#else
struct zfsxattr {
uint32_t fsx_xflags; /* xflags field value (get/set) */
uint32_t fsx_extsize; /* extsize field value (get/set) */
uint32_t fsx_nextents; /* nextents field value (get) */
uint32_t fsx_projid; /* project identifier (get/set) */
uint32_t fsx_cowextsize;
unsigned char fsx_pad[8];
};
typedef struct zfsxattr zfsxattr_t;
#define ZFS_IOC_FSGETXATTR _IOR('X', 31, zfsxattr_t)
#define ZFS_IOC_FSSETXATTR _IOW('X', 32, zfsxattr_t)
#endif
#define ZFS_DEFAULT_PROJID (0ULL)
/*
* It is NOT ondisk project ID value. Just means either the object has
* no project ID or the operation does not touch project ID attribute.
*/
#define ZFS_INVALID_PROJID (-1ULL)
static inline boolean_t
zpl_is_valid_projid(uint32_t projid)
{
/*
* zfsxattr::fsx_projid is 32-bits, when convert to uint64_t,
* the higher 32-bits will be set as zero, so cannot directly
* compare with ZFS_INVALID_PROJID (-1ULL)
*/
if ((uint32_t)ZFS_INVALID_PROJID == projid)
return (B_FALSE);
return (B_TRUE);
}
#endif /* _SYS_ZFS_PROJECT_H */
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