1 // SPDX-License-Identifier: GPL-2.0 2 #include "reiserfs.h" 3 #include <linux/errno.h> 4 #include <linux/fs.h> 5 #include <linux/pagemap.h> 6 #include <linux/xattr.h> 7 #include "xattr.h" 8 #include <linux/uaccess.h> 9 10 static int 11 user_get(const struct xattr_handler *handler, struct dentry *unused, 12 struct inode *inode, const char *name, void *buffer, size_t size) 13 { 14 if (!reiserfs_xattrs_user(inode->i_sb)) 15 return -EOPNOTSUPP; 16 return reiserfs_xattr_get(inode, xattr_full_name(handler, name), 17 buffer, size); 18 } 19 20 static int 21 user_set(const struct xattr_handler *handler, struct user_namespace *mnt_userns, 22 struct dentry *unused, 23 struct inode *inode, const char *name, const void *buffer, 24 size_t size, int flags) 25 { 26 if (!reiserfs_xattrs_user(inode->i_sb)) 27 return -EOPNOTSUPP; 28 return reiserfs_xattr_set(inode, 29 xattr_full_name(handler, name), 30 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