/usr/include/libzfs/sys/zfs_sa.h is in libzfslinux-dev 0.6.5.6-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | /*
* 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 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_ZFS_SA_H
#define _SYS_ZFS_SA_H
#ifdef _KERNEL
#include <sys/types32.h>
#include <sys/list.h>
#include <sys/dmu.h>
#include <sys/zfs_acl.h>
#include <sys/zfs_znode.h>
#include <sys/sa.h>
#include <sys/zil.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* This is the list of known attributes
* to the ZPL. The values of the actual
* attributes are not defined by the order
* the enums. It is controlled by the attribute
* registration mechanism. Two different file system
* could have different numeric values for the same
* attributes. this list is only used for dereferencing
* into the table that will hold the actual numeric value.
*/
typedef enum zpl_attr {
ZPL_ATIME,
ZPL_MTIME,
ZPL_CTIME,
ZPL_CRTIME,
ZPL_GEN,
ZPL_MODE,
ZPL_SIZE,
ZPL_PARENT,
ZPL_LINKS,
ZPL_XATTR,
ZPL_RDEV,
ZPL_FLAGS,
ZPL_UID,
ZPL_GID,
ZPL_PAD,
ZPL_ZNODE_ACL,
ZPL_DACL_COUNT,
ZPL_SYMLINK,
ZPL_SCANSTAMP,
ZPL_DACL_ACES,
ZPL_DXATTR,
ZPL_END
} zpl_attr_t;
#define ZFS_OLD_ZNODE_PHYS_SIZE 0x108
#define ZFS_SA_BASE_ATTR_SIZE (ZFS_OLD_ZNODE_PHYS_SIZE - \
sizeof (zfs_acl_phys_t))
#define SA_MODE_OFFSET 0
#define SA_SIZE_OFFSET 8
#define SA_GEN_OFFSET 16
#define SA_UID_OFFSET 24
#define SA_GID_OFFSET 32
#define SA_PARENT_OFFSET 40
extern sa_attr_reg_t zfs_attr_table[ZPL_END + 1];
extern sa_attr_reg_t zfs_legacy_attr_table[ZPL_END + 1];
/*
* This is a deprecated data structure that only exists for
* dealing with file systems create prior to ZPL version 5.
*/
typedef struct znode_phys {
uint64_t zp_atime[2]; /* 0 - last file access time */
uint64_t zp_mtime[2]; /* 16 - last file modification time */
uint64_t zp_ctime[2]; /* 32 - last file change time */
uint64_t zp_crtime[2]; /* 48 - creation time */
uint64_t zp_gen; /* 64 - generation (txg of creation) */
uint64_t zp_mode; /* 72 - file mode bits */
uint64_t zp_size; /* 80 - size of file */
uint64_t zp_parent; /* 88 - directory parent (`..') */
uint64_t zp_links; /* 96 - number of links to file */
uint64_t zp_xattr; /* 104 - DMU object for xattrs */
uint64_t zp_rdev; /* 112 - dev_t for VBLK & VCHR files */
uint64_t zp_flags; /* 120 - persistent flags */
uint64_t zp_uid; /* 128 - file owner */
uint64_t zp_gid; /* 136 - owning group */
uint64_t zp_zap; /* 144 - extra attributes */
uint64_t zp_pad[3]; /* 152 - future */
zfs_acl_phys_t zp_acl; /* 176 - 263 ACL */
/*
* Data may pad out any remaining bytes in the znode buffer, eg:
*
* |<---------------------- dnode_phys (512) ------------------------>|
* |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->|
* |<---- znode (264) ---->|<---- data (56) ---->|
*
* At present, we use this space for the following:
* - symbolic links
* - 32-byte anti-virus scanstamp (regular files only)
*/
} znode_phys_t;
#ifdef _KERNEL
#define DXATTR_MAX_ENTRY_SIZE (32768)
#define DXATTR_MAX_SA_SIZE (SPA_OLD_MAXBLOCKSIZE >> 1)
int zfs_sa_readlink(struct znode *, uio_t *);
void zfs_sa_symlink(struct znode *, char *link, int len, dmu_tx_t *);
void zfs_sa_get_scanstamp(struct znode *, xvattr_t *);
void zfs_sa_set_scanstamp(struct znode *, xvattr_t *, dmu_tx_t *);
int zfs_sa_get_xattr(struct znode *);
int zfs_sa_set_xattr(struct znode *);
void zfs_sa_upgrade(struct sa_handle *, dmu_tx_t *);
void zfs_sa_upgrade_txholds(dmu_tx_t *, struct znode *);
void zfs_sa_init(void);
void zfs_sa_fini(void);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ZFS_SA_H */
|