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Fix that several functions handle incorrect value of mapchars

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Cifs client has problem with reserved chars filename.

[BUG1] : several functions handle incorrect value of mapchars
-	cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+	cifs_remap(cifs_sb));

[BUG2] : forget to convert reserved chars when creating SymbolicLink.
-	CIFSUnixCreateSymLink() calls cifs_strtoUTF16
+	CIFSUnixCreateSymLink() calls cifsConvertToUTF16() with remap

[BUG3] : forget to convert reserved chars when getting SymbolicLink.
-	CIFSSMBUnixQuerySymLink() calls cifs_strtoUTF16
+	CIFSSMBUnixQuerySymLink() calls cifsConvertToUTF16() with remap

[BUG4] : /proc/mounts don't show "mapposix" when using mapposix mount option
+	    cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SFM_CHR)
+ 		seq_puts(s, ",mapposix");

Reported-by: t.wede@kw-reneg.de
Reported-by: Nakajima Akira <nakajima.akira@nttcom.co.jp>
Signed-off-by: Nakajima Akira <nakajima.akira@nttcom.co.jp>
Signed-off-by: Carl Schaefer <schaefer@trilug.org>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Nakajima Akira
2015-02-13 15:35:58 +09:00
committed by Steve French
parent f5d0684e84
commit bc8ebdc4f5
9 changed files with 25 additions and 23 deletions
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2
fs/cifs/cifsfs.c
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@@ -469,6 +469,8 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
seq_puts(s, ",nouser_xattr");
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR)
seq_puts(s, ",mapchars");
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SFM_CHR)
seq_puts(s, ",mapposix");
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)
seq_puts(s, ",sfu");
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)