From a1df417e74aa6dae7352dc8cbb0ad471af5b7c69 Mon Sep 17 00:00:00 2001 From: "Michael J. Chudobiak" Date: Mon, 25 Apr 2016 10:00:44 -0400 Subject: initial Olimex linux tree from Daniel, originally Feb 3, 2016 --- linux/fs/reiserfs/acl.h | 76 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 linux/fs/reiserfs/acl.h (limited to 'linux/fs/reiserfs/acl.h') diff --git a/linux/fs/reiserfs/acl.h b/linux/fs/reiserfs/acl.h new file mode 100644 index 00000000..4a211f5b --- /dev/null +++ b/linux/fs/reiserfs/acl.h @@ -0,0 +1,76 @@ +#include +#include + +#define REISERFS_ACL_VERSION 0x0001 + +typedef struct { + __le16 e_tag; + __le16 e_perm; + __le32 e_id; +} reiserfs_acl_entry; + +typedef struct { + __le16 e_tag; + __le16 e_perm; +} reiserfs_acl_entry_short; + +typedef struct { + __le32 a_version; +} reiserfs_acl_header; + +static inline size_t reiserfs_acl_size(int count) +{ + if (count <= 4) { + return sizeof(reiserfs_acl_header) + + count * sizeof(reiserfs_acl_entry_short); + } else { + return sizeof(reiserfs_acl_header) + + 4 * sizeof(reiserfs_acl_entry_short) + + (count - 4) * sizeof(reiserfs_acl_entry); + } +} + +static inline int reiserfs_acl_count(size_t size) +{ + ssize_t s; + size -= sizeof(reiserfs_acl_header); + s = size - 4 * sizeof(reiserfs_acl_entry_short); + if (s < 0) { + if (size % sizeof(reiserfs_acl_entry_short)) + return -1; + return size / sizeof(reiserfs_acl_entry_short); + } else { + if (s % sizeof(reiserfs_acl_entry)) + return -1; + return s / sizeof(reiserfs_acl_entry) + 4; + } +} + +#ifdef CONFIG_REISERFS_FS_POSIX_ACL +struct posix_acl *reiserfs_get_acl(struct inode *inode, int type); +int reiserfs_set_acl(struct inode *inode, struct posix_acl *acl, int type); +int reiserfs_acl_chmod(struct inode *inode); +int reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th, + struct inode *dir, struct dentry *dentry, + struct inode *inode); +int reiserfs_cache_default_acl(struct inode *dir); + +#else + +#define reiserfs_cache_default_acl(inode) 0 +#define reiserfs_get_acl NULL +#define reiserfs_set_acl NULL + +static inline int reiserfs_acl_chmod(struct inode *inode) +{ + return 0; +} + +static inline int +reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th, + const struct inode *dir, struct dentry *dentry, + struct inode *inode) +{ + return 0; +} +#endif -- cgit