[PATCH] cifs: character mapping of special characters (part 3 of 3)

Signed-off-by: Steve French (sfrench@us.ibm.com)
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/cifs/CHANGES

@@ -9,7 +9,7 @@ POSIX ACL capability bit. Fix packet signing when multiuser mounting with
 different users from the same client to the same server. Fix oops in
 cifs_close. Add mount option for remapping reserved characters in
 filenames (also allow recognizing files with created by SFU which have any
-of these seven reserved characters to be recognized).
+of these seven reserved characters, except backslash, to be recognized).
 
 Version 1.31
 ------------

fs/cifs/README

@@ -376,8 +376,8 @@ A partial list of the supported mount options follows:
 		attributes) to the server (default) e.g. via setfattr 
 		and getfattr utilities. 
   nouser_xattr  Do not allow getfattr/setfattr to get/set xattrs 
-  mapchars      Translate the seven reserved characters 
-			*?<>|:\	
+  mapchars      Translate six of the seven reserved characters (not backslash)
+			*?<>|:
 		to the remap range (above 0xF000), which also
 		allows the CIFS client to recognize files created with
 		such characters by Windows's POSIX emulation. This can

fs/cifs/TODO

@@ -67,6 +67,9 @@ q) implement support for security and trusted categories of xattrs
 
 r) Implement O_DIRECT flag on open (already supported on mount)
 
+s) Allow remapping of last remaining character (\) to +0xF000 which
+(this character is valid for POSIX but not for Windows)
+
 KNOWN BUGS (updated April 3, 2005)
 ====================================
 See http://bugzilla.samba.org - search on product "CifsVFS" for

fs/cifs/cifsfs.c

@@ -191,13 +191,13 @@ cifs_statfs(struct super_block *sb, struct kstatfs *buf)
 #ifdef CONFIG_CIFS_EXPERIMENTAL
 /* BB we could add a second check for a QFS Unix capability bit */
     if (pTcon->ses->capabilities & CAP_UNIX)
-	    rc = CIFSSMBQFSPosixInfo(xid, pTcon, buf, cifs_sb->local_nls);
+	    rc = CIFSSMBQFSPosixInfo(xid, pTcon, buf);
 
     /* Only need to call the old QFSInfo if failed
     on newer one */
     if(rc)
 #endif /* CIFS_EXPERIMENTAL */
-	rc = CIFSSMBQFSInfo(xid, pTcon, buf, cifs_sb->local_nls);
+	rc = CIFSSMBQFSInfo(xid, pTcon, buf);
 
 	/*     
 	   int f_type;

fs/cifs/cifsproto.h

@@ -57,10 +57,11 @@ extern int decode_negTokenInit(unsigned char *security_blob, int length,
 extern int cifs_inet_pton(int, char * source, void *dst);
 extern int map_smb_to_linux_error(struct smb_hdr *smb);
 extern void header_assemble(struct smb_hdr *, char /* command */ ,
-			const struct cifsTconInfo *, int
-			/* length of fixed section (word count) in two byte units  */
+			const struct cifsTconInfo *, int /* specifies length
+			    of fixed section (word count) in two byte units */
 			);
-extern struct oplock_q_entry * AllocOplockQEntry(struct inode *, u16, struct cifsTconInfo *);
+extern struct oplock_q_entry * AllocOplockQEntry(struct inode *, u16, 
+						 struct cifsTconInfo *);
 extern void DeleteOplockQEntry(struct oplock_q_entry *);
 extern struct timespec cifs_NTtimeToUnix(u64 /* utc nanoseconds since 1601 */ );
 extern u64 cifs_UnixTimeToNT(struct timespec);
@@ -88,7 +89,7 @@ extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
 
 extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
             const char *searchName, const struct nls_table *nls_codepage,
-            __u16 *searchHandle, struct cifs_search_info * psrch_inf);
+            __u16 *searchHandle, struct cifs_search_info * psrch_inf, int map);
 
 extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
             __u16 searchHandle, struct cifs_search_info * psrch_inf);
@@ -99,42 +100,42 @@ extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
 			const unsigned char *searchName,
 			FILE_ALL_INFO * findData,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage, int remap);
 
 extern int CIFSSMBUnixQPathInfo(const int xid,
 			struct cifsTconInfo *tcon,
 			const unsigned char *searchName,
 			FILE_UNIX_BASIC_INFO * pFindData,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage, int remap);
 
 extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
 			const unsigned char *searchName,
 			unsigned char **targetUNCs,
 			unsigned int *number_of_UNC_in_array,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage, int remap);
 
 extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 			const char *old_path,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage, int remap);
 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
-			const char *old_path, const struct nls_table *nls_codepage, 
-			unsigned int *pnum_referrals, unsigned char ** preferrals);
+			const char *old_path, 
+			const struct nls_table *nls_codepage,
+			unsigned int *pnum_referrals, 
+			unsigned char ** preferrals,
+			int remap);
 extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
-			struct kstatfs *FSData,
-			const struct nls_table *nls_codepage);
+			struct kstatfs *FSData);
 extern int CIFSSMBQFSAttributeInfo(const int xid,
-			struct cifsTconInfo *tcon,
-			const struct nls_table *nls_codepage);
-extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon,
-			const struct nls_table *nls_codepage);
-extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
-			const struct nls_table *nls_codepage);
+			struct cifsTconInfo *tcon);
+extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
+extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
 extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
-			struct kstatfs *FSData, const struct nls_table *nls_codepage);
+			struct kstatfs *FSData);
 
 extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
 			const char *fileName, const FILE_BASIC_INFO * data,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage,
+			int remap_special_chars);
 extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
 			const FILE_BASIC_INFO * data, __u16 fid);
 #if 0
@@ -143,36 +144,49 @@ extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
 			const struct nls_table *nls_codepage);
 #endif /* possibly unneeded function */
 extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
-			const char *fileName, __u64 size,int setAllocationSizeFlag,
-			const struct nls_table *nls_codepage);
+			const char *fileName, __u64 size,
+			int setAllocationSizeFlag,
+			const struct nls_table *nls_codepage,
+			int remap_special_chars);
 extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
-			 __u64 size, __u16 fileHandle,__u32 opener_pid, int AllocSizeFlag);
+			 __u64 size, __u16 fileHandle,__u32 opener_pid, 
+			int AllocSizeFlag);
 extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
 			char *full_path, __u64 mode, __u64 uid,
-			__u64 gid, dev_t dev, const struct nls_table *nls_codepage);
+			__u64 gid, dev_t dev, 
+			const struct nls_table *nls_codepage,
+			int remap_special_chars);
 
 extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
 			const char *newName,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage,
+			int remap_special_chars);
 extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
-			const char *name, const struct nls_table *nls_codepage);
+			const char *name, const struct nls_table *nls_codepage,
+			int remap_special_chars);
 
 extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
 			const char *name,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage,
+			int remap_special_chars);
 extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
 			const char *fromName, const char *toName,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage,
+			int remap_special_chars);
 extern int CIFSSMBRenameOpenFile(const int xid,struct cifsTconInfo *pTcon,
-			int netfid, char * target_name, const struct nls_table *nls_codepage);
+			int netfid, char * target_name, 
+			const struct nls_table *nls_codepage,
+			int remap_special_chars);
 extern int CIFSCreateHardLink(const int xid,
 			struct cifsTconInfo *tcon,
 			const char *fromName, const char *toName,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage,
+			int remap_special_chars);
 extern int CIFSUnixCreateHardLink(const int xid,
 			struct cifsTconInfo *tcon,
 			const char *fromName, const char *toName,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage, 
+			int remap_special_chars);
 extern int CIFSUnixCreateSymLink(const int xid,
 			struct cifsTconInfo *tcon,
 			const char *fromName, const char *toName,
@@ -192,7 +206,7 @@ extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
 			const char *fileName, const int disposition,
 			const int access_flags, const int omode,
 			__u16 * netfid, int *pOplock, FILE_ALL_INFO *,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage, int remap);
 extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
 			const int smb_file_id);
 
@@ -211,10 +225,13 @@ extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
 			const char __user *buf,const int long_op);
 extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
 			const unsigned char *searchName, __u64 * inode_number,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage, 
+			int remap_special_chars);
+#endif /* CONFIG_CIFS_EXPERIMENTAL */
 extern int cifs_convertUCSpath(char *target, const __u16 *source, int maxlen,
 			const struct nls_table * codepage);
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
+extern int cifsConvertToUCS(__le16 * target, const char *source, int maxlen,
+			const struct nls_table * cp, int mapChars);
 
 extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
 			const __u16 netfid, const __u64 len,
@@ -243,29 +260,31 @@ extern int CIFSSMBCopy(int xid,
 			const char *fromName,
 			const __u16 target_tid,
 			const char *toName, const int flags,
-			const struct nls_table *nls_codepage);
+			const struct nls_table *nls_codepage, 
+			int remap_special_chars);
 extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon, 
-			const int notify_subdirs,const __u16 netfid,__u32 filter,
-			const struct nls_table *nls_codepage);
+			const int notify_subdirs,const __u16 netfid,
+			__u32 filter, const struct nls_table *nls_codepage);
 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
 			const unsigned char *searchName, char * EAData,
-			size_t bufsize, const struct nls_table *nls_codepage);
+			size_t bufsize, const struct nls_table *nls_codepage,
+			int remap_special_chars);
 extern ssize_t CIFSSMBQueryEA(const int xid,struct cifsTconInfo * tcon,
 		const unsigned char * searchName,const unsigned char * ea_name,
 		unsigned char * ea_value, size_t buf_size, 
-		const struct nls_table *nls_codepage);
+		const struct nls_table *nls_codepage, int remap_special_chars);
 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon, 
 		const char *fileName, const char * ea_name, 
 		const void * ea_value, const __u16 ea_value_len, 
-		const struct nls_table *nls_codepage);
+		const struct nls_table *nls_codepage, int remap_special_chars);
 extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
 		const unsigned char *searchName,
 		char *acl_inf, const int buflen,const int acl_type,
-		const struct nls_table *nls_codepage);
+		const struct nls_table *nls_codepage, int remap_special_chars);
 extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
 		const unsigned char *fileName,
 		const char *local_acl, const int buflen, const int acl_type,
-		const struct nls_table *nls_codepage);
+		const struct nls_table *nls_codepage, int remap_special_chars);
 extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
                 const int netfid, __u64 * pExtAttrBits, __u64 *pMask);
 #endif			/* _CIFSPROTO_H */

fs/cifs/connect.c

@@ -924,14 +924,15 @@ find_unc(__be32 new_target_ip_addr, char *uncName, char *userName)
 
 int
 connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
-		    const char *old_path, const struct nls_table *nls_codepage)
+		    const char *old_path, const struct nls_table *nls_codepage,
+		    int remap)
 {
 	unsigned char *referrals = NULL;
 	unsigned int num_referrals;
 	int rc = 0;
 
 	rc = get_dfs_path(xid, pSesInfo,old_path, nls_codepage, 
-			&num_referrals, &referrals);
+			&num_referrals, &referrals, remap);
 
 	/* BB Add in code to: if valid refrl, if not ip address contact
 		the helper that resolves tcp names, mount to it, try to 
@@ -946,7 +947,8 @@ connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 int
 get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 			const char *old_path, const struct nls_table *nls_codepage, 
-			unsigned int *pnum_referrals, unsigned char ** preferrals)
+			unsigned int *pnum_referrals, 
+			unsigned char ** preferrals, int remap)
 {
 	char *temp_unc;
 	int rc = 0;
@@ -971,7 +973,7 @@ get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 	}
 	if (rc == 0)
 		rc = CIFSGetDFSRefer(xid, pSesInfo, old_path, preferrals,
-				     pnum_referrals, nls_codepage);
+				     pnum_referrals, nls_codepage, remap);
 
 	return rc;
 }
@@ -1456,11 +1458,10 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
 				if ((strchr(volume_info.UNC + 3, '\\') == NULL)
 				    && (strchr(volume_info.UNC + 3, '/') ==
 					NULL)) {
-					rc = connect_to_dfs_path(xid,
-								 pSesInfo,
-								 "",
-								 cifs_sb->
-								 local_nls);
+					rc = connect_to_dfs_path(xid, pSesInfo,
+							"", cifs_sb->local_nls,
+							cifs_sb->mnt_cifs_flags & 
+							  CIFS_MOUNT_MAP_SPECIAL_CHR);
 					if(volume_info.UNC)
 						kfree(volume_info.UNC);
 					FreeXid(xid);
@@ -1523,10 +1524,10 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
 		tcon->ses = pSesInfo;
 
 		/* do not care if following two calls succeed - informational only */
-		CIFSSMBQFSDeviceInfo(xid, tcon, cifs_sb->local_nls);
-		CIFSSMBQFSAttributeInfo(xid, tcon, cifs_sb->local_nls);
+		CIFSSMBQFSDeviceInfo(xid, tcon);
+		CIFSSMBQFSAttributeInfo(xid, tcon);
 		if (tcon->ses->capabilities & CAP_UNIX) {
-			if(!CIFSSMBQFSUnixInfo(xid, tcon, cifs_sb->local_nls)) {
+			if(!CIFSSMBQFSUnixInfo(xid, tcon)) {
 				if(!volume_info.no_psx_acl) {
 					if(CIFS_UNIX_POSIX_ACL_CAP & 
 					   le64_to_cpu(tcon->fsUnixInfo.Capability))

fs/cifs/dir.c

@@ -101,68 +101,15 @@ cifs_bp_rename_retry:
 	return full_path;
 }
 
-/* Note: caller must free return buffer */
-char *
-build_wildcard_path_from_dentry(struct dentry *direntry)
+/* char * build_wildcard_path_from_dentry(struct dentry *direntry)
 {
-	struct dentry *temp;
-	int namelen = 0;
-	char *full_path;
-
-	if(direntry == NULL)
-		return NULL;  /* not much we can do if dentry is freed and
-		we need to reopen the file after it was closed implicitly
-		when the server crashed */
-
-cifs_bwp_rename_retry:
-	for (temp = direntry; !IS_ROOT(temp);) {
-		namelen += (1 + temp->d_name.len);
-		temp = temp->d_parent;
-		if(temp == NULL) {
-			cERROR(1,("corrupt dentry"));
-			return NULL;
-		}
-	}
-
-	full_path = kmalloc(namelen+3, GFP_KERNEL);
 	if(full_path == NULL)
 		return full_path;
 
 	full_path[namelen] = '\\';
 	full_path[namelen+1] = '*';
-	full_path[namelen+2] = 0;  /* trailing null */
-
-	for (temp = direntry; !IS_ROOT(temp);) {
-		namelen -= 1 + temp->d_name.len;
-		if (namelen < 0) {
-			break;
-		} else {
-			full_path[namelen] = '\\';
-			strncpy(full_path + namelen + 1, temp->d_name.name,
-				temp->d_name.len);
-			cFYI(0, (" name: %s ", full_path + namelen));
-		}
-		temp = temp->d_parent;
-		if(temp == NULL) {
-			cERROR(1,("corrupt dentry"));
-			kfree(full_path);
-			return NULL;
-		}
-	}
-	if (namelen != 0) {
-		cERROR(1,
-		       ("We did not end path lookup where we expected namelen is %d",
-			namelen));
-		/* presumably this is only possible if we were racing with a rename 
-		of one of the parent directories  (we can not lock the dentries
-		above us to prevent this, but retrying should be harmless) */
-		kfree(full_path);
-		namelen = 0;
-		goto cifs_bwp_rename_retry;
-	}
-
-	return full_path;
-}
+	full_path[namelen+2] = 0;
+BB remove above eight lines BB */
 
 /* Inode operations in similar order to how they appear in the Linux file fs.h */
 
@@ -235,7 +182,8 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
 
 	rc = CIFSSMBOpen(xid, pTcon, full_path, disposition,
 			 desiredAccess, CREATE_NOT_DIR,
-			 &fileHandle, &oplock, buf, cifs_sb->local_nls);
+			 &fileHandle, &oplock, buf, cifs_sb->local_nls,
+			 cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 	if (rc) {
 		cFYI(1, ("cifs_create returned 0x%x ", rc));
 	} else {
@@ -248,13 +196,17 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
 					(__u64)current->euid,
 					(__u64)current->egid,
 					0 /* dev */,
-					cifs_sb->local_nls);
+					cifs_sb->local_nls, 
+					cifs_sb->mnt_cifs_flags & 
+						CIFS_MOUNT_MAP_SPECIAL_CHR);
 			} else {
 				CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode,
 					(__u64)-1,
 					(__u64)-1,
 					0 /* dev */,
-					cifs_sb->local_nls);
+					cifs_sb->local_nls,
+					cifs_sb->mnt_cifs_flags & 
+						CIFS_MOUNT_MAP_SPECIAL_CHR);
 			}
 		else {
 			/* BB implement via Windows security descriptors */
@@ -356,11 +308,15 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, dev_t dev
 		if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
 			rc = CIFSSMBUnixSetPerms(xid, pTcon, full_path,
 				mode,(__u64)current->euid,(__u64)current->egid,
-				device_number, cifs_sb->local_nls);
+				device_number, cifs_sb->local_nls,
+				cifs_sb->mnt_cifs_flags & 
+					CIFS_MOUNT_MAP_SPECIAL_CHR);
 		} else {
 			rc = CIFSSMBUnixSetPerms(xid, pTcon,
 				full_path, mode, (__u64)-1, (__u64)-1,
-				device_number, cifs_sb->local_nls);
+				device_number, cifs_sb->local_nls,
+				cifs_sb->mnt_cifs_flags & 
+					CIFS_MOUNT_MAP_SPECIAL_CHR);
 		}
 
 		if(!rc) {
@@ -447,36 +403,6 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, struct name
 	return ERR_PTR(rc);
 }
 
-int
-cifs_dir_open(struct inode *inode, struct file *file)
-{				/* NB: currently unused since searches are opened in readdir */
-	int rc = 0;
-	int xid;
-	struct cifs_sb_info *cifs_sb;
-	struct cifsTconInfo *pTcon;
-	char *full_path = NULL;
-
-	xid = GetXid();
-
-	cifs_sb = CIFS_SB(inode->i_sb);
-	pTcon = cifs_sb->tcon;
-
-	if(file->f_dentry) {
-		down(&file->f_dentry->d_sb->s_vfs_rename_sem);
-		full_path = build_wildcard_path_from_dentry(file->f_dentry);
-		up(&file->f_dentry->d_sb->s_vfs_rename_sem);
-	} else {
-		FreeXid(xid);
-		return -EIO;
-	}
-
-	cFYI(1, ("inode = 0x%p and full path is %s", inode, full_path));
-
-	kfree(full_path);
-	FreeXid(xid);
-	return rc;
-}
-
 static int
 cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd)
 {

fs/cifs/fcntl.c

@@ -92,7 +92,8 @@ int cifs_dir_notify(struct file * file, unsigned long arg)
 		cERROR(1,("cifs dir notify on file %s with arg 0x%lx",full_path,arg)); /* BB removeme BB */
 		rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, 
 			GENERIC_READ | SYNCHRONIZE, 0 /* create options */,
-			&netfid, &oplock,NULL, cifs_sb->local_nls);
+			&netfid, &oplock,NULL, cifs_sb->local_nls,
+			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 		/* BB fixme - add this handle to a notify handle list */
 		if(rc) {
 			cERROR(1,("Could not open directory for notify"));  /* BB remove BB */

fs/cifs/file.c

@@ -254,7 +254,8 @@ int cifs_open(struct inode *inode, struct file *file)
 	}
 	rc = CIFSSMBOpen(xid, pTcon, full_path, disposition, desiredAccess,
 			 CREATE_NOT_DIR, &netfid, &oplock, buf,
-			 cifs_sb->local_nls);
+			 cifs_sb->local_nls, cifs_sb->mnt_cifs_flags
+				 & CIFS_MOUNT_MAP_SPECIAL_CHR);
 	if (rc) {
 		cFYI(1, ("cifs_open returned 0x%x ", rc));
 		goto out;
@@ -287,7 +288,9 @@ int cifs_open(struct inode *inode, struct file *file)
 			CIFSSMBUnixSetPerms(xid, pTcon, full_path,
 					    inode->i_mode,
 					    (__u64)-1, (__u64)-1, 0 /* dev */,
-					    cifs_sb->local_nls);
+					    cifs_sb->local_nls,
+					    cifs_sb->mnt_cifs_flags & 
+						CIFS_MOUNT_MAP_SPECIAL_CHR);
 		} else {
 			/* BB implement via Windows security descriptors eg
 			   CIFSSMBWinSetPerms(xid, pTcon, full_path, mode,
@@ -387,7 +390,8 @@ static int cifs_reopen_file(struct inode *inode, struct file *file,
 	} */
 	rc = CIFSSMBOpen(xid, pTcon, full_path, disposition, desiredAccess,
 			 CREATE_NOT_DIR, &netfid, &oplock, NULL,
-			 cifs_sb->local_nls);
+			 cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & 
+				CIFS_MOUNT_MAP_SPECIAL_CHR);
 	if (rc) {
 		up(&pCifsFile->fh_sem);
 		cFYI(1, ("cifs_open returned 0x%x ", rc));

fs/cifs/link.c

@@ -59,10 +59,14 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode,
 
 	if (cifs_sb_target->tcon->ses->capabilities & CAP_UNIX)
 		rc = CIFSUnixCreateHardLink(xid, pTcon, fromName, toName,
-					    cifs_sb_target->local_nls);
+					    cifs_sb_target->local_nls, 
+					    cifs_sb_target->mnt_cifs_flags &
+						CIFS_MOUNT_MAP_SPECIAL_CHR);
 	else {
 		rc = CIFSCreateHardLink(xid, pTcon, fromName, toName,
-					cifs_sb_target->local_nls);
+					cifs_sb_target->local_nls, 
+					cifs_sb_target->mnt_cifs_flags &
+						CIFS_MOUNT_MAP_SPECIAL_CHR);
 		if(rc == -EIO)
 			rc = -EOPNOTSUPP;  
 	}
@@ -260,7 +264,10 @@ cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen)
 				cifs_sb->local_nls);
 	else {
 		rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, GENERIC_READ,
-				OPEN_REPARSE_POINT,&fid, &oplock, NULL, cifs_sb->local_nls);
+				OPEN_REPARSE_POINT,&fid, &oplock, NULL, 
+				cifs_sb->local_nls, 
+				cifs_sb->mnt_cifs_flags & 
+					CIFS_MOUNT_MAP_SPECIAL_CHR);
 		if(!rc) {
 			rc = CIFSSMBQueryReparseLinkInfo(xid, pTcon, full_path,
 				tmpbuffer,
@@ -279,7 +286,10 @@ cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen)
 					strncpy(tmp_path, pTcon->treeName, MAX_TREE_SIZE);
 					strncat(tmp_path, full_path, MAX_PATHCONF);
 					rc = get_dfs_path(xid, pTcon->ses, tmp_path,
-						cifs_sb->local_nls, &num_referrals, &referrals);
+						cifs_sb->local_nls,
+						&num_referrals, &referrals,
+						cifs_sb->mnt_cifs_flags &
+						    CIFS_MOUNT_MAP_SPECIAL_CHR);
 					cFYI(1,("Get DFS for %s rc = %d ",tmp_path, rc));
 					if((num_referrals == 0) && (rc == 0))
 						rc = -EACCES;

fs/cifs/readdir.c

@@ -314,7 +314,7 @@ static int initiate_cifs_search(const int xid, struct file *file)
 		return -EINVAL;
 
 	down(&file->f_dentry->d_sb->s_vfs_rename_sem);
-	full_path = build_wildcard_path_from_dentry(file->f_dentry);
+	full_path = build_path_from_dentry(file->f_dentry);
 	up(&file->f_dentry->d_sb->s_vfs_rename_sem);
 
 	if(full_path == NULL) {
@@ -333,8 +333,9 @@ ffirst_retry:
 		cifsFile->srch_inf.info_level = SMB_FIND_FILE_DIRECTORY_INFO;
 	}
 
-	rc = CIFSFindFirst(xid, pTcon,full_path,cifs_sb->local_nls, 
-		&cifsFile->netfid, &cifsFile->srch_inf); 
+	rc = CIFSFindFirst(xid, pTcon,full_path,cifs_sb->local_nls,
+		&cifsFile->netfid, &cifsFile->srch_inf,
+		cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 	if(rc == 0)
 		cifsFile->invalidHandle = FALSE;
 	if((rc == -EOPNOTSUPP) && 
@@ -600,12 +601,10 @@ static int cifs_get_name_from_search_buf(struct qstr *pqst,
 	if(unicode) {
 		/* BB fixme - test with long names */
 		/* Note converted filename can be longer than in unicode */
-#ifdef CONFIG_CIFS_EXPERIMENTAL
 		if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR)
 			pqst->len = cifs_convertUCSpath((char *)pqst->name,
 					(__le16 *)filename, len/2, nlt);
 		else
-#endif /* CIFS_EXPERIMENTAL */
 			pqst->len = cifs_strfromUCS_le((char *)pqst->name,
 					(wchar_t *)filename,len/2,nlt);
 	} else {
@@ -849,19 +848,6 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
 				break;
 			}
 
-			/* BB FIXME - need to enable the below code BB */
-
-		/* if((!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) ||
-			   (cifsFile->srch_inf.info_level != 
-				   something that supports server inodes)) {
-				create dentry
-				create inode
-				fill in inode new_inode (getting local i_ino)
-			}
-			also create local inode for performance reasons (so we 
-			have a cache of inode metadata) unless this new mount 
-			parm says otherwise */
-
 			rc = cifs_filldir(current_entry, file, 
 					filldir, direntry,tmp_buf);
 			file->f_pos++;

fs/cifs/xattr.c

@@ -83,7 +83,8 @@ int cifs_removexattr(struct dentry * direntry, const char * ea_name)
 
 		ea_name+=5; /* skip past user. prefix */
 		rc = CIFSSMBSetEA(xid,pTcon,full_path,ea_name,NULL,
-			(__u16)0, cifs_sb->local_nls);
+			(__u16)0, cifs_sb->local_nls,
+			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 	}
 remove_ea_exit:
 	if (full_path)
@@ -147,14 +148,16 @@ int cifs_setxattr(struct dentry * direntry, const char * ea_name,
 		}
 		ea_name += 5; /* skip past user. prefix */
 		rc = CIFSSMBSetEA(xid,pTcon,full_path,ea_name,ea_value,
-			(__u16)value_size, cifs_sb->local_nls);
+			(__u16)value_size, cifs_sb->local_nls,
+			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 	} else if(strncmp(ea_name, CIFS_XATTR_OS2_PREFIX,4) == 0) {
 		if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR)
 			goto set_ea_exit;
 
 		ea_name += 4; /* skip past os2. prefix */
 		rc = CIFSSMBSetEA(xid,pTcon,full_path,ea_name,ea_value,
-			(__u16)value_size, cifs_sb->local_nls);
+			(__u16)value_size, cifs_sb->local_nls,
+			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 	} else {
 		int temp; 
 		temp = strncmp(ea_name,POSIX_ACL_XATTR_ACCESS,
@@ -164,7 +167,9 @@ int cifs_setxattr(struct dentry * direntry, const char * ea_name,
 			if(sb->s_flags & MS_POSIXACL)
 				rc = CIFSSMBSetPosixACL(xid, pTcon,full_path,
 					ea_value, (const int)value_size, 
-					ACL_TYPE_ACCESS,cifs_sb->local_nls);
+					ACL_TYPE_ACCESS,cifs_sb->local_nls,
+					cifs_sb->mnt_cifs_flags & 
+						CIFS_MOUNT_MAP_SPECIAL_CHR);
 			cFYI(1,("set POSIX ACL rc %d",rc));
 #else
 			cFYI(1,("set POSIX ACL not supported"));
@@ -174,7 +179,9 @@ int cifs_setxattr(struct dentry * direntry, const char * ea_name,
 			if(sb->s_flags & MS_POSIXACL)
 				rc = CIFSSMBSetPosixACL(xid, pTcon,full_path,
 					ea_value, (const int)value_size, 
-					ACL_TYPE_DEFAULT, cifs_sb->local_nls);
+					ACL_TYPE_DEFAULT, cifs_sb->local_nls,
+					cifs_sb->mnt_cifs_flags & 
+						CIFS_MOUNT_MAP_SPECIAL_CHR);
 			cFYI(1,("set POSIX default ACL rc %d",rc));
 #else
 			cFYI(1,("set default POSIX ACL not supported"));
@@ -240,20 +247,24 @@ ssize_t cifs_getxattr(struct dentry * direntry, const char * ea_name,
 		} /* BB add else when above is implemented */
 		ea_name += 5; /* skip past user. prefix */
 		rc = CIFSSMBQueryEA(xid,pTcon,full_path,ea_name,ea_value,
-			buf_size, cifs_sb->local_nls);
+			buf_size, cifs_sb->local_nls,
+			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 	} else if(strncmp(ea_name, CIFS_XATTR_OS2_PREFIX,4) == 0) {
 		if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR)
 			goto get_ea_exit;
 
 		ea_name += 4; /* skip past os2. prefix */
 		rc = CIFSSMBQueryEA(xid,pTcon,full_path,ea_name,ea_value,
-			buf_size, cifs_sb->local_nls);
+			buf_size, cifs_sb->local_nls,
+			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 	} else if(strncmp(ea_name,POSIX_ACL_XATTR_ACCESS,strlen(POSIX_ACL_XATTR_ACCESS)) == 0) {
 #ifdef CONFIG_CIFS_POSIX
 		if(sb->s_flags & MS_POSIXACL)
 			rc = CIFSSMBGetPosixACL(xid, pTcon, full_path,
 				ea_value, buf_size, ACL_TYPE_ACCESS, 
-				cifs_sb->local_nls);
+				cifs_sb->local_nls,
+				cifs_sb->mnt_cifs_flags & 
+					CIFS_MOUNT_MAP_SPECIAL_CHR);
 #else 
 		cFYI(1,("query POSIX ACL not supported yet"));
 #endif /* CONFIG_CIFS_POSIX */
@@ -262,7 +273,9 @@ ssize_t cifs_getxattr(struct dentry * direntry, const char * ea_name,
 		if(sb->s_flags & MS_POSIXACL)
 			rc = CIFSSMBGetPosixACL(xid, pTcon, full_path,
 				ea_value, buf_size, ACL_TYPE_DEFAULT, 
-				cifs_sb->local_nls);
+				cifs_sb->local_nls,
+				cifs_sb->mnt_cifs_flags & 
+					CIFS_MOUNT_MAP_SPECIAL_CHR);
 #else 
 		cFYI(1,("query POSIX default ACL not supported yet"));
 #endif
@@ -328,7 +341,9 @@ ssize_t cifs_listxattr(struct dentry * direntry, char * data, size_t buf_size)
 		search server for EAs or streams to 
 		returns as xattrs */
 	rc = CIFSSMBQAllEAs(xid,pTcon,full_path,data,buf_size,
-				cifs_sb->local_nls);
+				cifs_sb->local_nls,
+				cifs_sb->mnt_cifs_flags & 
+					CIFS_MOUNT_MAP_SPECIAL_CHR);
 
 	if (full_path)
 		kfree(full_path);