[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, 4 insertions, 6 deletions

diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index dec3c9dd04d7..ef5eb804ce82 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -194,6 +194,8 @@ static void fill_in_inode(struct inode *tmp_inode,
                         tmp_inode->i_fop = &cifs_file_direct_ops;
                 else
                         tmp_inode->i_fop = &cifs_file_ops;
+                if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
+                        tmp_inode->i_fop->lock = NULL;
                 tmp_inode->i_data.a_ops = &cifs_addr_ops;
 
                 if(isNewInode)
@@ -298,6 +300,8 @@ static void unix_fill_in_inode(struct inode *tmp_inode,
                         tmp_inode->i_fop = &cifs_file_direct_ops;
                 else
                         tmp_inode->i_fop = &cifs_file_ops;
+                if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
+                        tmp_inode->i_fop->lock = NULL;
                 tmp_inode->i_data.a_ops = &cifs_addr_ops;
 
                 if(isNewInode)
@@ -557,7 +561,6 @@ static int find_cifs_entry(const int xid, struct cifsTconInfo *pTcon,
                 char * end_of_smb = cifsFile->srch_inf.ntwrk_buf_start + 
                         smbCalcSize((struct smb_hdr *)
                                 cifsFile->srch_inf.ntwrk_buf_start);
-/*      dump_cifs_file_struct(file,"found entry in fce "); */
                 first_entry_in_buffer = cifsFile->srch_inf.index_of_last_entry
                                         - cifsFile->srch_inf.entries_in_buffer;
                 pos_in_buf = index_to_find - first_entry_in_buffer;
@@ -595,7 +598,6 @@ static int find_cifs_entry(const int xid, struct cifsTconInfo *pTcon,
                 *num_to_ret = 0;
         } else
                 *num_to_ret = cifsFile->srch_inf.entries_in_buffer - pos_in_buf;
-/*      dump_cifs_file_struct(file, "end fce ");*/
 
         return rc;
 }
@@ -815,14 +817,12 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
                 FreeXid(xid);
                 return -EIO;
         }
-/*      dump_cifs_file_struct(file, "Begin rdir "); */
 
         cifs_sb = CIFS_SB(file->f_dentry->d_sb);
         pTcon = cifs_sb->tcon;
         if(pTcon == NULL)
                 return -EINVAL;
 
-/*      cFYI(1,("readdir2 pos: %lld",file->f_pos)); */
 
         switch ((int) file->f_pos) {
         case 0:
@@ -876,7 +876,6 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
                 cifsFile->search_resume_name = NULL; */
 
                 /* BB account for . and .. in f_pos as special case */
-                /* dump_cifs_file_struct(file, "rdir after default ");*/
 
                 rc = find_cifs_entry(xid,pTcon, file,
                                 &current_entry,&num_to_fill);
@@ -924,7 +923,6 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
         } /* end switch */
 
 rddir2_exit:
-        /* dump_cifs_file_struct(file, "end rdir ");  */
         FreeXid(xid);
         return rc;
 }