83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/*
|
|
* 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 <linux/fs.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 */
|