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 dentry *unused, 22 struct inode *inode, const char *name, const void *buffer, 23 size_t size, int flags) 24 { 25 if (!reiserfs_xattrs_user(inode->i_sb)) 26 return -EOPNOTSUPP; 27 return reiserfs_xattr_set(inode, 28 xattr_full_name(handler, name), 29 buffer, size, flags); 30 } 31 32 static bool user_list(struct dentry *dentry) 33 { 34 return reiserfs_xattrs_user(dentry->d_sb); 35 } 36 37 const struct xattr_handler reiserfs_xattr_user_handler = { 38 .prefix = XATTR_USER_PREFIX, 39 .get = user_get, 40 .set = user_set, 41 .list = user_list, 42 }; 43