[CIFS] Add mount option for disabling sending byte range lock requests

over the wire (to help the case when applications break with cifs mandatory
lock behavior.  Add part one of mount option for requesting case
insensitive path name matching.

Signed-off-by: Steve French (sfrench@us.ibm.com)

1 files changed, 13 insertions, 1 deletions

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index ef0432c44482..6b21f6aa9f60 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -79,6 +79,8 @@ struct smb_vol {
         unsigned remap:1;   /* set to remap seven reserved chars in filenames */
         unsigned posix_paths:1;   /* unset to not ask for posix pathnames. */
         unsigned sfu_emul:1;
+        unsigned nocase;     /* request case insensitive filenames */
+        unsigned nobrl;      /* disable sending byte range locks to srv */
         unsigned int rsize;
         unsigned int wsize;
         unsigned int sockopt;
@@ -1040,6 +1042,12 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
                         vol->posix_paths = 1;
                 } else if (strnicmp(data, "noposixpaths", 12) == 0) {
                         vol->posix_paths = 0;
+                } else if (strnicmp(data, "nocase", 6) == 0) {
+                        vol->nocase = 1;
+                } else if (strnicmp(data, "brl", 3) == 0) {
+                        vol->nobrl =  0;
+                } else if (strnicmp(data, "nobrl", 5) == 0) {
+                        vol->nobrl =  1;
                 } else if (strnicmp(data, "setuids", 7) == 0) {
                         vol->setuids = 1;
                 } else if (strnicmp(data, "nosetuids", 9) == 0) {
@@ -1699,9 +1707,13 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
                         cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_XATTR;
                 if(volume_info.sfu_emul)
                         cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_UNX_EMUL;
+                if(volume_info.nocase)
+                        cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CASE_INSENS;
+                if(volume_info.nobrl)
+                        cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_BRL;
 
                 if(volume_info.direct_io) {
-                        cERROR(1,("mounting share using direct i/o"));
+                        cFYI(1,("mounting share using direct i/o"));
                         cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;
                 }