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- /*
- File: linux/reiserfs_xattr.h
- */
- #ifndef _LINUX_REISERFS_XATTR_H
- #define _LINUX_REISERFS_XATTR_H
- #include <linux/types.h>
- /* Magic value in header */
- #define REISERFS_XATTR_MAGIC 0x52465841 /* "RFXA" */
- struct reiserfs_xattr_header {
- __le32 h_magic; /* magic number for identification */
- __le32 h_hash; /* hash of the value */
- };
- #ifdef __KERNEL__
- #include <linux/init.h>
- #include <linux/list.h>
- #include <linux/rwsem.h>
- #include <linux/reiserfs_fs_i.h>
- #include <linux/reiserfs_fs.h>
- struct inode;
- struct dentry;
- struct iattr;
- struct super_block;
- struct nameidata;
- struct reiserfs_xattr_handler {
- char *prefix;
- int (*init) (void);
- void (*exit) (void);
- int (*get) (struct inode * inode, const char *name, void *buffer,
- size_t size);
- int (*set) (struct inode * inode, const char *name, const void *buffer,
- size_t size, int flags);
- int (*del) (struct inode * inode, const char *name);
- int (*list) (struct inode * inode, const char *name, int namelen,
- char *out);
- struct list_head handlers;
- };
- int reiserfs_xattr_register_handlers(void) __init;
- void reiserfs_xattr_unregister_handlers(void);
- int reiserfs_xattr_init(struct super_block *sb, int mount_flags);
- int reiserfs_delete_xattrs(struct inode *inode);
- int reiserfs_chown_xattrs(struct inode *inode, struct iattr *attrs);
- #ifdef CONFIG_REISERFS_FS_XATTR
- #define has_xattr_dir(inode) (REISERFS_I(inode)->i_flags & i_has_xattr_dir)
- ssize_t reiserfs_getxattr(struct dentry *dentry, const char *name,
- void *buffer, size_t size);
- int reiserfs_setxattr(struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags);
- ssize_t reiserfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
- int reiserfs_removexattr(struct dentry *dentry, const char *name);
- int reiserfs_permission(struct inode *inode, int mask);
- int reiserfs_xattr_del(struct inode *, const char *);
- int reiserfs_xattr_get(const struct inode *, const char *, void *, size_t);
- int reiserfs_xattr_set(struct inode *, const char *, const void *, size_t, int);
- extern struct reiserfs_xattr_handler user_handler;
- extern struct reiserfs_xattr_handler trusted_handler;
- extern struct reiserfs_xattr_handler security_handler;
- static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
- {
- init_rwsem(&REISERFS_I(inode)->i_xattr_sem);
- }
- #else
- #define reiserfs_getxattr NULL
- #define reiserfs_setxattr NULL
- #define reiserfs_listxattr NULL
- #define reiserfs_removexattr NULL
- #define reiserfs_permission NULL
- static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
- {
- }
- #endif /* CONFIG_REISERFS_FS_XATTR */
- #endif /* __KERNEL__ */
- #endif /* _LINUX_REISERFS_XATTR_H */
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