#include <linux/reiserfs_fs.h> #include <linux/errno.h> #include <linux/fs.h> #include <linux/pagemap.h> #include <linux/xattr.h> #include <linux/reiserfs_xattr.h> #include <asm/uaccess.h> #ifdef CONFIG_REISERFS_FS_POSIX_ACL # include <linux/reiserfs_acl.h> #endif #define XATTR_USER_PREFIX "user." static int user_get(struct inode *inode, const char *name, void *buffer, size_t size) { if (strlen(name) < sizeof(XATTR_USER_PREFIX)) return -EINVAL; if (!reiserfs_xattrs_user(inode->i_sb)) return -EOPNOTSUPP; return reiserfs_xattr_get(inode, name, buffer, size); } static int user_set(struct inode *inode, const char *name, const void *buffer, size_t size, int flags) { if (strlen(name) < sizeof(XATTR_USER_PREFIX)) return -EINVAL; if (!reiserfs_xattrs_user(inode->i_sb)) return -EOPNOTSUPP; return reiserfs_xattr_set(inode, name, buffer, size, flags); } static int user_del(struct inode *inode, const char *name) { if (strlen(name) < sizeof(XATTR_USER_PREFIX)) return -EINVAL; if (!reiserfs_xattrs_user(inode->i_sb)) return -EOPNOTSUPP; return 0; } static int user_list(struct inode *inode, const char *name, int namelen, char *out) { int len = namelen; if (!reiserfs_xattrs_user(inode->i_sb)) return 0; if (out) memcpy(out, name, len); return len; } struct reiserfs_xattr_handler user_handler = { .prefix = XATTR_USER_PREFIX, .get = user_get, .set = user_set, .del = user_del, .list = user_list, };