| /* |
| * 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 */ |