cfile->fid.volatile_fid, cfile->pid, &eof, false);
}
+#ifdef CONFIG_CIFS_SMB311
+static int
+smb2_duplicate_extents(const unsigned int xid,
+ struct cifsFileInfo *srcfile,
+ struct cifsFileInfo *trgtfile, u64 src_off,
+ u64 len, u64 dest_off)
+{
+ int rc;
+ unsigned int ret_data_len;
+ char *retbuf = NULL;
+ struct duplicate_extents_to_file dup_ext_buf;
+ struct cifs_tcon *tcon = tlink_tcon(trgtfile->tlink);
+
+ /* server fileays advertise duplicate extent support with this flag */
+ if ((le32_to_cpu(tcon->fsAttrInfo.Attributes) &
+ FILE_SUPPORTS_BLOCK_REFCOUNTING) == 0)
+ return -EOPNOTSUPP;
+
+ dup_ext_buf.VolatileFileHandle = srcfile->fid.volatile_fid;
+ dup_ext_buf.PersistentFileHandle = srcfile->fid.persistent_fid;
+ dup_ext_buf.SourceFileOffset = cpu_to_le64(src_off);
+ dup_ext_buf.TargetFileOffset = cpu_to_le64(dest_off);
+ dup_ext_buf.ByteCount = cpu_to_le64(len);
+ cifs_dbg(FYI, "duplicate extents: src off %lld dst off %lld len %lld",
+ src_off, dest_off, len);
+
+ rc = smb2_set_file_size(xid, tcon, trgtfile, dest_off + len, false);
+ if (rc)
+ goto duplicate_extents_out;
+
+ rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid,
+ trgtfile->fid.volatile_fid,
+ FSCTL_DUPLICATE_EXTENTS_TO_FILE,
+ true /* is_fsctl */, (char *)&dup_ext_buf,
+ sizeof(struct duplicate_extents_to_file),
+ (char **)&retbuf,
+ &ret_data_len);
+
+ if (ret_data_len > 0)
+ cifs_dbg(FYI, "non-zero response length in duplicate extents");
+
+duplicate_extents_out:
+ return rc;
+}
+#endif /* CONFIG_CIFS_SMB311 */
+
+
static int
smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
struct cifsFileInfo *cfile)
.fallocate = smb3_fallocate,
};
+#ifdef CONFIG_CIFS_SMB311
+struct smb_version_operations smb311_operations = {
+ .compare_fids = smb2_compare_fids,
+ .setup_request = smb2_setup_request,
+ .setup_async_request = smb2_setup_async_request,
+ .check_receive = smb2_check_receive,
+ .add_credits = smb2_add_credits,
+ .set_credits = smb2_set_credits,
+ .get_credits_field = smb2_get_credits_field,
+ .get_credits = smb2_get_credits,
+ .wait_mtu_credits = smb2_wait_mtu_credits,
+ .get_next_mid = smb2_get_next_mid,
+ .read_data_offset = smb2_read_data_offset,
+ .read_data_length = smb2_read_data_length,
+ .map_error = map_smb2_to_linux_error,
+ .find_mid = smb2_find_mid,
+ .check_message = smb2_check_message,
+ .dump_detail = smb2_dump_detail,
+ .clear_stats = smb2_clear_stats,
+ .print_stats = smb2_print_stats,
+ .dump_share_caps = smb2_dump_share_caps,
+ .is_oplock_break = smb2_is_valid_oplock_break,
+ .downgrade_oplock = smb2_downgrade_oplock,
+ .need_neg = smb2_need_neg,
+ .negotiate = smb2_negotiate,
+ .negotiate_wsize = smb2_negotiate_wsize,
+ .negotiate_rsize = smb2_negotiate_rsize,
+ .sess_setup = SMB2_sess_setup,
+ .logoff = SMB2_logoff,
+ .tree_connect = SMB2_tcon,
+ .tree_disconnect = SMB2_tdis,
+ .qfs_tcon = smb3_qfs_tcon,
+ .is_path_accessible = smb2_is_path_accessible,
+ .can_echo = smb2_can_echo,
+ .echo = SMB2_echo,
+ .query_path_info = smb2_query_path_info,
+ .get_srv_inum = smb2_get_srv_inum,
+ .query_file_info = smb2_query_file_info,
+ .set_path_size = smb2_set_path_size,
+ .set_file_size = smb2_set_file_size,
+ .set_file_info = smb2_set_file_info,
+ .set_compression = smb2_set_compression,
+ .mkdir = smb2_mkdir,
+ .mkdir_setinfo = smb2_mkdir_setinfo,
+ .rmdir = smb2_rmdir,
+ .unlink = smb2_unlink,
+ .rename = smb2_rename_path,
+ .create_hardlink = smb2_create_hardlink,
+ .query_symlink = smb2_query_symlink,
+ .query_mf_symlink = smb3_query_mf_symlink,
+ .create_mf_symlink = smb3_create_mf_symlink,
+ .open = smb2_open_file,
+ .set_fid = smb2_set_fid,
+ .close = smb2_close_file,
+ .flush = smb2_flush_file,
+ .async_readv = smb2_async_readv,
+ .async_writev = smb2_async_writev,
+ .sync_read = smb2_sync_read,
+ .sync_write = smb2_sync_write,
+ .query_dir_first = smb2_query_dir_first,
+ .query_dir_next = smb2_query_dir_next,
+ .close_dir = smb2_close_dir,
+ .calc_smb_size = smb2_calc_size,
+ .is_status_pending = smb2_is_status_pending,
+ .oplock_response = smb2_oplock_response,
+ .queryfs = smb2_queryfs,
+ .mand_lock = smb2_mand_lock,
+ .mand_unlock_range = smb2_unlock_range,
+ .push_mand_locks = smb2_push_mandatory_locks,
+ .get_lease_key = smb2_get_lease_key,
+ .set_lease_key = smb2_set_lease_key,
+ .new_lease_key = smb2_new_lease_key,
+ .generate_signingkey = generate_smb3signingkey,
+ .calc_signature = smb3_calc_signature,
+ .is_read_op = smb21_is_read_op,
+ .set_oplock_level = smb3_set_oplock_level,
+ .create_lease_buf = smb3_create_lease_buf,
+ .parse_lease_buf = smb3_parse_lease_buf,
+ .clone_range = smb2_clone_range,
+ .duplicate_extents = smb2_duplicate_extents,
+/* .validate_negotiate = smb3_validate_negotiate, */ /* not used in 3.11 */
+ .wp_retry_size = smb2_wp_retry_size,
+ .dir_needs_close = smb2_dir_needs_close,
+ .fallocate = smb3_fallocate,
+};
+#endif /* CIFS_SMB311 */
+
struct smb_version_values smb20_values = {
.version_string = SMB20_VERSION_STRING,
.protocol_id = SMB20_PROT_ID,