/* * 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 */