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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:01 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:01 +0000
commit7996a3d79d55b7f879dfd62e202bbfe2963718d3 (patch)
tree8d9f6759fec4099b9be503c11c7ed174f7204980 /libdde-linux26/contrib/include/linux/reiserfs_acl.h
parent4fbe7358c7747a9165f776eb19addbb9baf7def2 (diff)
really properly move files
Diffstat (limited to 'libdde-linux26/contrib/include/linux/reiserfs_acl.h')
-rw-r--r--libdde-linux26/contrib/include/linux/reiserfs_acl.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/linux/reiserfs_acl.h b/libdde-linux26/contrib/include/linux/reiserfs_acl.h
new file mode 100644
index 00000000..fe00f781
--- /dev/null
+++ b/libdde-linux26/contrib/include/linux/reiserfs_acl.h
@@ -0,0 +1,107 @@
+#include <linux/init.h>
+#include <linux/posix_acl.h>
+
+#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_acl_chmod(struct inode *inode);
+int reiserfs_inherit_default_acl(struct inode *dir, struct dentry *dentry,
+ struct inode *inode);
+int reiserfs_cache_default_acl(struct inode *dir);
+extern int reiserfs_xattr_posix_acl_init(void) __init;
+extern int reiserfs_xattr_posix_acl_exit(void);
+extern struct reiserfs_xattr_handler posix_acl_default_handler;
+extern struct reiserfs_xattr_handler posix_acl_access_handler;
+
+static inline void reiserfs_init_acl_access(struct inode *inode)
+{
+ REISERFS_I(inode)->i_acl_access = NULL;
+}
+
+static inline void reiserfs_init_acl_default(struct inode *inode)
+{
+ REISERFS_I(inode)->i_acl_default = NULL;
+}
+#else
+
+#define reiserfs_cache_default_acl(inode) 0
+
+static inline struct posix_acl *reiserfs_get_acl(struct inode *inode, int type)
+{
+ return NULL;
+}
+
+static inline int reiserfs_xattr_posix_acl_init(void)
+{
+ return 0;
+}
+
+static inline int reiserfs_xattr_posix_acl_exit(void)
+{
+ return 0;
+}
+
+static inline int reiserfs_acl_chmod(struct inode *inode)
+{
+ return 0;
+}
+
+static inline int
+reiserfs_inherit_default_acl(const struct inode *dir, struct dentry *dentry,
+ struct inode *inode)
+{
+ return 0;
+}
+
+static inline void reiserfs_init_acl_access(struct inode *inode)
+{
+}
+
+static inline void reiserfs_init_acl_default(struct inode *inode)
+{
+}
+#endif