Opt_backupuid, Opt_backupgid, Opt_uid,
Opt_cruid, Opt_gid, Opt_file_mode,
Opt_dirmode, Opt_port,
- Opt_rsize, Opt_wsize, Opt_actimeo,
+ Opt_blocksize, Opt_rsize, Opt_wsize, Opt_actimeo,
Opt_echo_interval, Opt_max_credits,
Opt_snapshot,
{ Opt_dirmode, "dirmode=%s" },
{ Opt_dirmode, "dir_mode=%s" },
{ Opt_port, "port=%s" },
+ { Opt_blocksize, "bsize=%s" },
{ Opt_rsize, "rsize=%s" },
{ Opt_wsize, "wsize=%s" },
{ Opt_actimeo, "actimeo=%s" },
cifs_dbg(FYI, "%s: failed to create UNC path\n", __func__);
return -ENOMEM;
}
- snprintf(unc, len, "\\\\%s", server->hostname);
+ scnprintf(unc, len, "\\\\%s", server->hostname);
rc = dns_resolve_server_name_to_ip(unc, &ipaddr);
kfree(unc);
}
if (server->ops->is_status_pending &&
- server->ops->is_status_pending(buf, server, length))
+ server->ops->is_status_pending(buf, server))
return -1;
if (!mid)
return 0;
}
+static void
+smb2_add_credits_from_hdr(char *buffer, struct TCP_Server_Info *server)
+{
+ struct smb2_sync_hdr *shdr = (struct smb2_sync_hdr *)buffer;
+
+ /*
+ * SMB1 does not use credits.
+ */
+ if (server->vals->header_preamble_size)
+ return;
+
+ if (shdr->CreditRequest) {
+ spin_lock(&server->req_lock);
+ server->credits += le16_to_cpu(shdr->CreditRequest);
+ spin_unlock(&server->req_lock);
+ wake_up(&server->request_q);
+ }
+}
+
+
static int
cifs_demultiplex_thread(void *p)
{
} else if (server->ops->is_oplock_break &&
server->ops->is_oplock_break(bufs[i],
server)) {
+ smb2_add_credits_from_hdr(bufs[i], server);
cifs_dbg(FYI, "Received oplock break\n");
} else {
cifs_dbg(VFS, "No task to wake, unknown frame "
if (server->ops->dump_detail)
server->ops->dump_detail(bufs[i],
server);
+ smb2_add_credits_from_hdr(bufs[i], server);
cifs_dump_mids(server);
#endif /* CIFS_DEBUG2 */
}
const char *delims = "/\\";
size_t len;
+ if (unlikely(!devname || !*devname)) {
+ cifs_dbg(VFS, "Device name not specified.\n");
+ return -EINVAL;
+ }
+
/* make sure we have a valid UNC double delimiter prefix */
len = strspn(devname, delims);
if (len != 2)
vol->cred_uid = current_uid();
vol->linux_uid = current_uid();
vol->linux_gid = current_gid();
-
+ vol->bsize = 1024 * 1024; /* can improve cp performance significantly */
/*
* default to SFM style remapping of seven reserved characters
* unless user overrides it or we negotiate CIFS POSIX where
}
port = (unsigned short)option;
break;
+ case Opt_blocksize:
+ if (get_option_ul(args, &option)) {
+ cifs_dbg(VFS, "%s: Invalid blocksize value\n",
+ __func__);
+ goto cifs_parse_mount_err;
+ }
+ /*
+ * inode blocksize realistically should never need to be
+ * less than 16K or greater than 16M and default is 1MB.
+ * Note that small inode block sizes (e.g. 64K) can lead
+ * to very poor performance of common tools like cp and scp
+ */
+ if ((option < CIFS_MAX_MSGSIZE) ||
+ (option > (4 * SMB3_DEFAULT_IOSIZE))) {
+ cifs_dbg(VFS, "%s: Invalid blocksize\n",
+ __func__);
+ goto cifs_parse_mount_err;
+ }
+ vol->bsize = option;
+ break;
case Opt_rsize:
if (get_option_ul(args, &option)) {
cifs_dbg(VFS, "%s: Invalid rsize value\n",
volume_info->target_rfc1001_name, RFC1001_NAME_LEN_WITH_NULL);
tcp_ses->session_estab = false;
tcp_ses->sequence_number = 0;
- tcp_ses->reconnect_instance = 0;
+ tcp_ses->reconnect_instance = 1;
tcp_ses->lstrp = jiffies;
spin_lock_init(&tcp_ses->req_lock);
INIT_LIST_HEAD(&tcp_ses->tcp_ses_list);
if (tcon == NULL)
return -ENOMEM;
- snprintf(unc, sizeof(unc), "\\\\%s\\IPC$", ses->server->hostname);
+ scnprintf(unc, sizeof(unc), "\\\\%s\\IPC$", ses->server->hostname);
/* cannot fail */
nls_codepage = load_nls_default();
spin_lock_init(&cifs_sb->tlink_tree_lock);
cifs_sb->tlink_tree = RB_ROOT;
+ cifs_sb->bsize = pvolume_info->bsize;
/*
* Temporarily set r/wsize for matching superblock. If we end up using
* new sb then client will later negotiate it downward if needed.
new_unc = kmalloc(len, GFP_KERNEL);
if (!new_unc)
return -ENOMEM;
- snprintf(new_unc, len, "\\%s", tgt);
+ scnprintf(new_unc, len, "\\%s", tgt);
kfree(vol->UNC);
vol->UNC = new_unc;