enum {
Opt_sec_krb5, Opt_sec_krb5i, Opt_sec_krb5p,
Opt_sec_ntlmsspi, Opt_sec_ntlmssp,
- Opt_ntlm, Opt_sec_ntlmi, Opt_sec_ntlmv2i,
- Opt_sec_nontlm, Opt_sec_lanman,
+ Opt_ntlm, Opt_sec_ntlmi, Opt_sec_ntlmv2,
+ Opt_sec_ntlmv2i, Opt_sec_lanman,
Opt_sec_none,
Opt_sec_err
{ Opt_sec_ntlmssp, "ntlmssp" },
{ Opt_ntlm, "ntlm" },
{ Opt_sec_ntlmi, "ntlmi" },
+ { Opt_sec_ntlmv2, "nontlm" },
+ { Opt_sec_ntlmv2, "ntlmv2" },
{ Opt_sec_ntlmv2i, "ntlmv2i" },
- { Opt_sec_nontlm, "nontlm" },
{ Opt_sec_lanman, "lanman" },
{ Opt_sec_none, "none" },
case Opt_sec_ntlmi:
vol->secFlg |= CIFSSEC_MAY_NTLM | CIFSSEC_MUST_SIGN;
break;
- case Opt_sec_nontlm:
+ case Opt_sec_ntlmv2:
vol->secFlg |= CIFSSEC_MAY_NTLMV2;
break;
case Opt_sec_ntlmv2i:
* If yes, we have encountered a double deliminator
* reset the NULL character to the deliminator
*/
- if (tmp_end < end && tmp_end[1] == delim)
+ if (tmp_end < end && tmp_end[1] == delim) {
tmp_end[0] = delim;
- /* Keep iterating until we get to a single deliminator
- * OR the end
- */
- while ((tmp_end = strchr(tmp_end, delim)) != NULL &&
- (tmp_end[1] == delim)) {
- tmp_end = (char *) &tmp_end[2];
- }
+ /* Keep iterating until we get to a single
+ * deliminator OR the end
+ */
+ while ((tmp_end = strchr(tmp_end, delim))
+ != NULL && (tmp_end[1] == delim)) {
+ tmp_end = (char *) &tmp_end[2];
+ }
- /* Reset var options to point to next element */
- if (tmp_end) {
- tmp_end[0] = '\0';
- options = (char *) &tmp_end[1];
- } else
- /* Reached the end of the mount option string */
- options = end;
+ /* Reset var options to point to next element */
+ if (tmp_end) {
+ tmp_end[0] = '\0';
+ options = (char *) &tmp_end[1];
+ } else
+ /* Reached the end of the mount option
+ * string */
+ options = end;
+ }
/* Now build new password string */
temp_len = strlen(value);
int xid;
struct TCP_Server_Info *server = ses->server;
- cFYI(1, "%s: ses_count=%d\n", __func__, ses->ses_count);
+ cFYI(1, "%s: ses_count=%d", __func__, ses->ses_count);
spin_lock(&cifs_tcp_ses_lock);
if (--ses->ses_count > 0) {
spin_unlock(&cifs_tcp_ses_lock);
int xid;
struct cifs_ses *ses = tcon->ses;
- cFYI(1, "%s: tc_count=%d\n", __func__, tcon->tc_count);
+ cFYI(1, "%s: tc_count=%d", __func__, tcon->tc_count);
spin_lock(&cifs_tcp_ses_lock);
if (--tcon->tc_count > 0) {
spin_unlock(&cifs_tcp_ses_lock);
saddr6 = (struct sockaddr_in6 *)&server->srcaddr;
if (saddr6->sin6_family == AF_INET6)
cERROR(1, "cifs: "
- "Failed to bind to: %pI6c, error: %d\n",
+ "Failed to bind to: %pI6c, error: %d",
&saddr6->sin6_addr, rc);
else
cERROR(1, "cifs: "
- "Failed to bind to: %pI4, error: %d\n",
+ "Failed to bind to: %pI4, error: %d",
&saddr4->sin_addr.s_addr, rc);
}
}
cFYI(1, "resetting capabilities failed");
} else
cERROR(1, "Negotiating Unix capabilities "
- "with the server failed. Consider "
- "mounting with the Unix Extensions\n"
- "disabled, if problems are found, "
+ "with the server failed. Consider "
+ "mounting with the Unix Extensions "
+ "disabled if problems are found "
"by specifying the nounix mount "
"option.");
#define CIFS_DEFAULT_NON_POSIX_RSIZE (60 * 1024)
#define CIFS_DEFAULT_NON_POSIX_WSIZE (65536)
+/*
+ * On hosts with high memory, we can't currently support wsize/rsize that are
+ * larger than we can kmap at once. Cap the rsize/wsize at
+ * LAST_PKMAP * PAGE_SIZE. We'll never be able to fill a read or write request
+ * larger than that anyway.
+ */
+#ifdef CONFIG_HIGHMEM
+#define CIFS_KMAP_SIZE_LIMIT (LAST_PKMAP * PAGE_CACHE_SIZE)
+#else /* CONFIG_HIGHMEM */
+#define CIFS_KMAP_SIZE_LIMIT (1<<24)
+#endif /* CONFIG_HIGHMEM */
+
static unsigned int
cifs_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info)
{
wsize = min_t(unsigned int, wsize,
server->maxBuf - sizeof(WRITE_REQ) + 4);
+ /* limit to the amount that we can kmap at once */
+ wsize = min_t(unsigned int, wsize, CIFS_KMAP_SIZE_LIMIT);
+
/* hard limit of CIFS_MAX_WSIZE */
wsize = min_t(unsigned int, wsize, CIFS_MAX_WSIZE);
* MS-CIFS indicates that servers are only limited by the client's
* bufsize for reads, testing against win98se shows that it throws
* INVALID_PARAMETER errors if you try to request too large a read.
+ * OS/2 just sends back short reads.
*
- * If the server advertises a MaxBufferSize of less than one page,
- * assume that it also can't satisfy reads larger than that either.
- *
- * FIXME: Is there a better heuristic for this?
+ * If the server doesn't advertise CAP_LARGE_READ_X, then assume that
+ * it can't handle a read request larger than its MaxBufferSize either.
*/
if (tcon->unix_ext && (unix_cap & CIFS_UNIX_LARGE_READ_CAP))
defsize = CIFS_DEFAULT_IOSIZE;
else if (server->capabilities & CAP_LARGE_READ_X)
defsize = CIFS_DEFAULT_NON_POSIX_RSIZE;
- else if (server->maxBuf >= PAGE_CACHE_SIZE)
- defsize = CIFSMaxBufSize;
else
defsize = server->maxBuf - sizeof(READ_RSP);
if (!(server->capabilities & CAP_LARGE_READ_X))
rsize = min_t(unsigned int, CIFSMaxBufSize, rsize);
+ /* limit to the amount that we can kmap at once */
+ rsize = min_t(unsigned int, rsize, CIFS_KMAP_SIZE_LIMIT);
+
/* hard limit of CIFS_MAX_RSIZE */
rsize = min_t(unsigned int, rsize, CIFS_MAX_RSIZE);
projects / firefly-linux-kernel-4.4.55.git / blobdiff