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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2000-2021 Synology Inc.
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*/
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#ifndef _EXT4_SYNO_ACL_H
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#define _EXT4_SYNO_ACL_H
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#include <linux/syno_acl.h>
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#define EXT4_SYNO_ACL_VERSION SYNO_ACL_XATTR_VERSION
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#define IS_EXT4_INODE_SYNOACL(inode) ((inode)->i_archive_bit & S2_SYNO_ACL_SUPPORT)
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#define IS_EXT4_SYNOACL(inode) (IS_EXT4_INODE_SYNOACL(inode) && IS_FS_SYNOACL(inode))
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typedef struct {
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__le16 e_tag;
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__le16 e_unused1;
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__le32 e_perm;
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__le16 e_inherit;
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__le16 e_unused2;
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__le32 e_id;
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} __attribute__ ((__packed__)) ext4_syno_acl_entry;
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typedef struct {
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__le16 a_version;
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} __attribute__ ((__packed__)) ext4_syno_acl_header;
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static inline size_t ext4_syno_acl_size(int count)
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{
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return sizeof(ext4_syno_acl_header) + count * sizeof(ext4_syno_acl_entry);
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}
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static inline size_t ext4_syno_acl_count(size_t size)
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{
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size -= sizeof(ext4_syno_acl_header);
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if (size % sizeof(ext4_syno_acl_entry))
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return -1;
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return size / sizeof(ext4_syno_acl_entry);
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}
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int ext4_set_syno_acl(struct inode *inode, struct syno_acl *acl);
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struct syno_acl *ext4_get_syno_acl(struct inode *inode);
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#endif /* _EXT4_SYNO_ACL_H */
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