1 #include "reiserfs.h" 2 #include <linux/errno.h> 3 #include <linux/fs.h> 4 #include <linux/pagemap.h> 5 #include <linux/xattr.h> 6 #include "xattr.h" 7 #include <linux/uaccess.h> 8 9 static int 10 user_get(const struct xattr_handler *handler, struct dentry *dentry, 11 const char *name, void *buffer, size_t size) 12 { 13 14 if (strlen(name) < sizeof(XATTR_USER_PREFIX)) 15 return -EINVAL; 16 if (!reiserfs_xattrs_user(dentry->d_sb)) 17 return -EOPNOTSUPP; 18 return reiserfs_xattr_get(d_inode(dentry), name, buffer, size); 19 } 20 21 static int 22 user_set(const struct xattr_handler *handler, struct dentry *dentry, 23 const char *name, const void *buffer, size_t size, int flags) 24 { 25 if (strlen(name) < sizeof(XATTR_USER_PREFIX)) 26 return -EINVAL; 27 28 if (!reiserfs_xattrs_user(dentry->d_sb)) 29 return -EOPNOTSUPP; 30 return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags); 31 } 32 33 static bool user_list(struct dentry *dentry) 34 { 35 return reiserfs_xattrs_user(dentry->d_sb); 36 } 37 38 const struct xattr_handler reiserfs_xattr_user_handler = { 39 .prefix = XATTR_USER_PREFIX, 40 .get = user_get, 41 .set = user_set, 42 .list = user_list, 43 }; 44