Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  [CIFS] Fix endian error comparing authusers when cifsacl enabled
  [CIFS] Rename three structures to avoid camel case
  Fix extended security auth failure
  CIFS: Add rwpidforward mount option
  CIFS: Migrate to shared superblock model
  [CIFS] Migrate from prefixpath logic
  CIFS: Fix memory leak in cifs_do_mount
  [CIFS] When mandatory encryption on share, fail mount
  CIFS: Use pid saved from cifsFileInfo in writepages and set_file_size
  cifs: add cifs_async_writev
  cifs: clean up wsize negotiation and allow for larger wsize
  cifs: convert cifs_writepages to use async writes
  CIFS: Fix undefined behavior when mount fails
  cifs: don't call mid_q_entry->callback under the Global_MidLock (try #5)
  CIFS: Simplify mount code for further shared sb capability
  CIFS: Simplify connection structure search calls
  cifs: remove unused SMB2 config and mount options
  cifs: add ignore_pend flag to cifs_call_async
  cifs: make cifs_send_async take a kvec array
  cifs: consolidate SendReceive response checks

fs/cifs/Kconfig

@@ -153,26 +153,6 @@ config CIFS_ACL
 	    Allows to fetch CIFS/NTFS ACL from the server.  The DACL blob
 	    is handed over to the application/caller.
 
-config CIFS_SMB2
-	bool "SMB2 network file system support (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && INET && BROKEN
-	select NLS
-	select KEYS
-	select FSCACHE
-	select DNS_RESOLVER
-
-	help
-	  This enables experimental support for the SMB2 (Server Message Block
-	  version 2) protocol. The SMB2 protocol is the successor to the
-	  popular CIFS and SMB network file sharing protocols. SMB2 is the
-	  native file sharing mechanism for recent versions of Windows
-	  operating systems (since Vista).  SMB2 enablement will eventually
-	  allow users better performance, security and features, than would be
-	  possible with cifs. Note that smb2 mount options also are simpler
-	  (compared to cifs) due to protocol improvements.
-
-	  Unless you are a developer or tester, say N.
-
 config CIFS_NFSD_EXPORT
 	  bool "Allow nfsd to export CIFS file system (EXPERIMENTAL)"
 	  depends on CIFS && EXPERIMENTAL

fs/cifs/README

@@ -457,6 +457,9 @@ A partial list of the supported mount options follows:
 		otherwise - read from the server. All written data are stored
 		in the cache, but if the client doesn't have Exclusive Oplock,
 		it writes the data to the server.
+  rwpidforward  Forward pid of a process who opened a file to any read or write
+		operation on that file. This prevent applications like WINE
+		from failing on read and write if we use mandatory brlock style.
   acl   	Allow setfacl and getfacl to manage posix ACLs if server
 		supports them.  (default)
   noacl 	Do not allow setfacl and getfacl calls on this mount

fs/cifs/cache.c

@@ -146,7 +146,7 @@ static char *extract_sharename(const char *treename)
 static uint16_t cifs_super_get_key(const void *cookie_netfs_data, void *buffer,
 				   uint16_t maxbuf)
 {
-	const struct cifsTconInfo *tcon = cookie_netfs_data;
+	const struct cifs_tcon *tcon = cookie_netfs_data;
 	char *sharename;
 	uint16_t len;
 
@@ -173,7 +173,7 @@ cifs_fscache_super_get_aux(const void *cookie_netfs_data, void *buffer,
 			   uint16_t maxbuf)
 {
 	struct cifs_fscache_super_auxdata auxdata;
-	const struct cifsTconInfo *tcon = cookie_netfs_data;
+	const struct cifs_tcon *tcon = cookie_netfs_data;
 
 	memset(&auxdata, 0, sizeof(auxdata));
 	auxdata.resource_id = tcon->resource_id;
@@ -192,7 +192,7 @@ fscache_checkaux cifs_fscache_super_check_aux(void *cookie_netfs_data,
 					      uint16_t datalen)
 {
 	struct cifs_fscache_super_auxdata auxdata;
-	const struct cifsTconInfo *tcon = cookie_netfs_data;
+	const struct cifs_tcon *tcon = cookie_netfs_data;
 
 	if (datalen != sizeof(auxdata))
 		return FSCACHE_CHECKAUX_OBSOLETE;

fs/cifs/cifs_debug.c

@@ -110,8 +110,8 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 	struct list_head *tmp1, *tmp2, *tmp3;
 	struct mid_q_entry *mid_entry;
 	struct TCP_Server_Info *server;
-	struct cifsSesInfo *ses;
-	struct cifsTconInfo *tcon;
+	struct cifs_ses *ses;
+	struct cifs_tcon *tcon;
 	int i, j;
 	__u32 dev_type;
 
@@ -152,7 +152,7 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 				    tcp_ses_list);
 		i++;
 		list_for_each(tmp2, &server->smb_ses_list) {
-			ses = list_entry(tmp2, struct cifsSesInfo,
+			ses = list_entry(tmp2, struct cifs_ses,
 					 smb_ses_list);
 			if ((ses->serverDomain == NULL) ||
 				(ses->serverOS == NULL) ||
@@ -171,7 +171,7 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 			seq_printf(m, "TCP status: %d\n\tLocal Users To "
 				   "Server: %d SecMode: 0x%x Req On Wire: %d",
 				   server->tcpStatus, server->srv_count,
-				   server->secMode,
+				   server->sec_mode,
 				   atomic_read(&server->inFlight));
 
 #ifdef CONFIG_CIFS_STATS2
@@ -183,7 +183,7 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 			seq_puts(m, "\n\tShares:");
 			j = 0;
 			list_for_each(tmp3, &ses->tcon_list) {
-				tcon = list_entry(tmp3, struct cifsTconInfo,
+				tcon = list_entry(tmp3, struct cifs_tcon,
 						  tcon_list);
 				++j;
 				dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
@@ -256,8 +256,8 @@ static ssize_t cifs_stats_proc_write(struct file *file,
 	int rc;
 	struct list_head *tmp1, *tmp2, *tmp3;
 	struct TCP_Server_Info *server;
-	struct cifsSesInfo *ses;
-	struct cifsTconInfo *tcon;
+	struct cifs_ses *ses;
+	struct cifs_tcon *tcon;
 
 	rc = get_user(c, buffer);
 	if (rc)
@@ -273,11 +273,11 @@ static ssize_t cifs_stats_proc_write(struct file *file,
 			server = list_entry(tmp1, struct TCP_Server_Info,
 					    tcp_ses_list);
 			list_for_each(tmp2, &server->smb_ses_list) {
-				ses = list_entry(tmp2, struct cifsSesInfo,
+				ses = list_entry(tmp2, struct cifs_ses,
 						 smb_ses_list);
 				list_for_each(tmp3, &ses->tcon_list) {
 					tcon = list_entry(tmp3,
-							  struct cifsTconInfo,
+							  struct cifs_tcon,
 							  tcon_list);
 					atomic_set(&tcon->num_smbs_sent, 0);
 					atomic_set(&tcon->num_writes, 0);
@@ -312,8 +312,8 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v)
 	int i;
 	struct list_head *tmp1, *tmp2, *tmp3;
 	struct TCP_Server_Info *server;
-	struct cifsSesInfo *ses;
-	struct cifsTconInfo *tcon;
+	struct cifs_ses *ses;
+	struct cifs_tcon *tcon;
 
 	seq_printf(m,
 			"Resources in use\nCIFS Session: %d\n",
@@ -346,11 +346,11 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v)
 		server = list_entry(tmp1, struct TCP_Server_Info,
 				    tcp_ses_list);
 		list_for_each(tmp2, &server->smb_ses_list) {
-			ses = list_entry(tmp2, struct cifsSesInfo,
+			ses = list_entry(tmp2, struct cifs_ses,
 					 smb_ses_list);
 			list_for_each(tmp3, &ses->tcon_list) {
 				tcon = list_entry(tmp3,
-						  struct cifsTconInfo,
+						  struct cifs_tcon,
 						  tcon_list);
 				i++;
 				seq_printf(m, "\n%d) %s", i, tcon->treeName);

fs/cifs/cifs_dfs_ref.c

@@ -272,7 +272,7 @@ static struct vfsmount *cifs_dfs_do_automount(struct dentry *mntpt)
 	struct dfs_info3_param *referrals = NULL;
 	unsigned int num_referrals = 0;
 	struct cifs_sb_info *cifs_sb;
-	struct cifsSesInfo *ses;
+	struct cifs_ses *ses;
 	char *full_path;
 	int xid, i;
 	int rc;

fs/cifs/cifs_fs_sb.h

@@ -41,6 +41,7 @@
 #define CIFS_MOUNT_MF_SYMLINKS	0x10000 /* Minshall+French Symlinks enabled */
 #define CIFS_MOUNT_MULTIUSER	0x20000 /* multiuser mount */
 #define CIFS_MOUNT_STRICT_IO	0x40000 /* strict cache mode */
+#define CIFS_MOUNT_RWPIDFORWARD	0x80000 /* use pid forwarding for rw */
 
 struct cifs_sb_info {
 	struct rb_root tlink_tree;
@@ -56,8 +57,6 @@ struct cifs_sb_info {
 	mode_t	mnt_file_mode;
 	mode_t	mnt_dir_mode;
 	unsigned int mnt_cifs_flags;
-	int	prepathlen;
-	char   *prepath; /* relative path under the share to mount to */
 	char   *mountdata; /* options received at mount time or via DFS refs */
 	struct backing_dev_info bdi;
 	struct delayed_work prune_tlinks;

fs/cifs/cifs_spnego.c

@@ -95,7 +95,7 @@ struct key_type cifs_spnego_key_type = {
 
 /* get a key struct with a SPNEGO security blob, suitable for session setup */
 struct key *
-cifs_get_spnego_key(struct cifsSesInfo *sesInfo)
+cifs_get_spnego_key(struct cifs_ses *sesInfo)
 {
 	struct TCP_Server_Info *server = sesInfo->server;
 	struct sockaddr_in *sa = (struct sockaddr_in *) &server->dstaddr;

fs/cifs/cifs_spnego.h

@@ -41,7 +41,7 @@ struct cifs_spnego_msg {
 
 #ifdef __KERNEL__
 extern struct key_type cifs_spnego_key_type;
-extern struct key *cifs_get_spnego_key(struct cifsSesInfo *sesInfo);
+extern struct key *cifs_get_spnego_key(struct cifs_ses *sesInfo);
 #endif /* KERNEL */
 
 #endif /* _CIFS_SPNEGO_H */

fs/cifs/cifsacl.c

@@ -38,7 +38,7 @@ static const struct cifs_sid sid_everyone = {
 	1, 1, {0, 0, 0, 0, 0, 1}, {0} };
 /* security id for Authenticated Users system group */
 static const struct cifs_sid sid_authusers = {
-	1, 1, {0, 0, 0, 0, 0, 5}, {11} };
+	1, 1, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(11)} };
 /* group users */
 static const struct cifs_sid sid_user = {1, 2 , {0, 0, 0, 0, 0, 5}, {} };
 
@@ -458,7 +458,8 @@ int compare_sids(const struct cifs_sid *ctsid, const struct cifs_sid *cwsid)
 	if (num_subauth) {
 		for (i = 0; i < num_subauth; ++i) {
 			if (ctsid->sub_auth[i] != cwsid->sub_auth[i]) {
-				if (ctsid->sub_auth[i] > cwsid->sub_auth[i])
+				if (le32_to_cpu(ctsid->sub_auth[i]) >
+					le32_to_cpu(cwsid->sub_auth[i]))
 					return 1;
 				else
 					return -1;
@@ -945,7 +946,7 @@ static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb,
 	int oplock = 0;
 	int xid, rc;
 	__u16 fid;
-	struct cifsTconInfo *tcon;
+	struct cifs_tcon *tcon;
 	struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
 
 	if (IS_ERR(tlink))
@@ -1013,7 +1014,7 @@ static int set_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, const char *path,
 	int oplock = 0;
 	int xid, rc;
 	__u16 fid;
-	struct cifsTconInfo *tcon;
+	struct cifs_tcon *tcon;
 	struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
 
 	if (IS_ERR(tlink))

fs/cifs/cifsencrypt.c

@@ -229,7 +229,7 @@ int cifs_verify_signature(struct smb_hdr *cifs_pdu,
 }
 
 /* first calculate 24 bytes ntlm response and then 16 byte session key */
-int setup_ntlm_response(struct cifsSesInfo *ses)
+int setup_ntlm_response(struct cifs_ses *ses)
 {
 	int rc = 0;
 	unsigned int temp_len = CIFS_SESS_KEY_SIZE + CIFS_AUTH_RESP_SIZE;
@@ -312,7 +312,7 @@ int calc_lanman_hash(const char *password, const char *cryptkey, bool encrypt,
  * Allocate domain name which gets freed when session struct is deallocated.
  */
 static int
-build_avpair_blob(struct cifsSesInfo *ses, const struct nls_table *nls_cp)
+build_avpair_blob(struct cifs_ses *ses, const struct nls_table *nls_cp)
 {
 	unsigned int dlen;
 	unsigned int wlen;
@@ -400,7 +400,7 @@ build_avpair_blob(struct cifsSesInfo *ses, const struct nls_table *nls_cp)
  * about target string i.e. for some, just user name might suffice.
  */
 static int
-find_domain_name(struct cifsSesInfo *ses, const struct nls_table *nls_cp)
+find_domain_name(struct cifs_ses *ses, const struct nls_table *nls_cp)
 {
 	unsigned int attrsize;
 	unsigned int type;
@@ -445,7 +445,7 @@ find_domain_name(struct cifsSesInfo *ses, const struct nls_table *nls_cp)
 	return 0;
 }
 
-static int calc_ntlmv2_hash(struct cifsSesInfo *ses, char *ntlmv2_hash,
+static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash,
 			    const struct nls_table *nls_cp)
 {
 	int rc = 0;
@@ -527,7 +527,7 @@ static int calc_ntlmv2_hash(struct cifsSesInfo *ses, char *ntlmv2_hash,
 }
 
 static int
-CalcNTLMv2_response(const struct cifsSesInfo *ses, char *ntlmv2_hash)
+CalcNTLMv2_response(const struct cifs_ses *ses, char *ntlmv2_hash)
 {
 	int rc;
 	unsigned int offset = CIFS_SESS_KEY_SIZE + 8;
@@ -563,7 +563,7 @@ CalcNTLMv2_response(const struct cifsSesInfo *ses, char *ntlmv2_hash)
 
 
 int
-setup_ntlmv2_rsp(struct cifsSesInfo *ses, const struct nls_table *nls_cp)
+setup_ntlmv2_rsp(struct cifs_ses *ses, const struct nls_table *nls_cp)
 {
 	int rc;
 	int baselen;
@@ -649,7 +649,7 @@ setup_ntlmv2_rsp(struct cifsSesInfo *ses, const struct nls_table *nls_cp)
 }
 
 int
-calc_seckey(struct cifsSesInfo *ses)
+calc_seckey(struct cifs_ses *ses)
 {
 	int rc;
 	struct crypto_blkcipher *tfm_arc4;