projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| 9c5167d1 NF |
1 | /* |
| 2 | * CDDL HEADER START | |
| 3 | * | |
| 4 | * The contents of this file are subject to the terms of the | |
| 5 | * Common Development and Distribution License (the "License"). | |
| 6 | * You may not use this file except in compliance with the License. | |
| 7 | * | |
| 8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
| 9 | * or http://www.opensolaris.org/os/licensing. | |
| 10 | * See the License for the specific language governing permissions | |
| 11 | * and limitations under the License. | |
| 12 | * | |
| 13 | * When distributing Covered Code, include this CDDL HEADER in each | |
| 14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
| 15 | * If applicable, add the following below this CDDL HEADER, with the | |
| 16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
| 17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
| 18 | * | |
| 19 | * CDDL HEADER END | |
| 20 | */ | |
| 21 | /* | |
| 22 | * Copyright (c) 2017, Intel Corporation. All rights reserved. | |
| 23 | */ | |
| 24 | ||
| 25 | #ifndef _SYS_ZFS_PROJECT_H | |
| 26 | #define _SYS_ZFS_PROJECT_H | |
| 27 | ||
| 28 | #ifndef _KERNEL | |
| 29 | #ifndef _SYS_MOUNT_H | |
| 30 | /* XXX: some hack to avoid include sys/mount.h */ | |
| 31 | #define _SYS_MOUNT_H | |
| 32 | #endif | |
| 33 | #endif | |
| 34 | ||
| 35 | #include <linux/fs.h> | |
| 36 | ||
| 37 | #ifdef FS_PROJINHERIT_FL | |
| 38 | #define ZFS_PROJINHERIT_FL FS_PROJINHERIT_FL | |
| 39 | #else | |
| 40 | #define ZFS_PROJINHERIT_FL 0x20000000 | |
| 41 | #endif | |
| 42 | ||
| 43 | #ifdef FS_IOC_FSGETXATTR | |
| 44 | typedef struct fsxattr zfsxattr_t; | |
| 45 | ||
| 46 | #define ZFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR | |
| 47 | #define ZFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR | |
| 48 | #else | |
| 49 | struct zfsxattr { | |
| 50 | uint32_t fsx_xflags; /* xflags field value (get/set) */ | |
| 51 | uint32_t fsx_extsize; /* extsize field value (get/set) */ | |
| 52 | uint32_t fsx_nextents; /* nextents field value (get) */ | |
| 53 | uint32_t fsx_projid; /* project identifier (get/set) */ | |
| 54 | uint32_t fsx_cowextsize; | |
| 55 | unsigned char fsx_pad[8]; | |
| 56 | }; | |
| 57 | typedef struct zfsxattr zfsxattr_t; | |
| 58 | ||
| 59 | #define ZFS_IOC_FSGETXATTR _IOR('X', 31, zfsxattr_t) | |
| 60 | #define ZFS_IOC_FSSETXATTR _IOW('X', 32, zfsxattr_t) | |
| 61 | #endif | |
| 62 | ||
| 63 | #define ZFS_DEFAULT_PROJID (0ULL) | |
| 64 | /* | |
| 65 | * It is NOT ondisk project ID value. Just means either the object has | |
| 66 | * no project ID or the operation does not touch project ID attribute. | |
| 67 | */ | |
| 68 | #define ZFS_INVALID_PROJID (-1ULL) | |
| 69 | ||
| 70 | static inline boolean_t | |
| 71 | zpl_is_valid_projid(uint32_t projid) | |
| 72 | { | |
| 73 | /* | |
| 74 | * zfsxattr::fsx_projid is 32-bits, when convert to uint64_t, | |
| 75 | * the higher 32-bits will be set as zero, so cannot directly | |
| 76 | * compare with ZFS_INVALID_PROJID (-1ULL) | |
| 77 | */ | |
| 78 | if ((uint32_t)ZFS_INVALID_PROJID == projid) | |
| 79 | return (B_FALSE); | |
| 80 | return (B_TRUE); | |
| 81 | } | |
| 82 | ||
| 83 | #endif /* _SYS_ZFS_PROJECT_H */ |