CIFS: Add SMB2 support for mkdir operation

Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>

3 files changed, 38 insertions, 0 deletions

diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c
index 1ba5c405315c..e129527a707a 100644
--- a/fs/cifs/smb2inode.c
+++ b/fs/cifs/smb2inode.c
@@ -122,3 +122,33 @@ out:
         kfree(smb2_data);
         return rc;
 }
+
+int
+smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon, const char *name,
+           struct cifs_sb_info *cifs_sb)
+{
+        return smb2_open_op_close(xid, tcon, cifs_sb, name,
+                                  FILE_WRITE_ATTRIBUTES, FILE_CREATE, 0,
+                                  CREATE_NOT_FILE, NULL, SMB2_OP_MKDIR);
+}
+
+void
+smb2_mkdir_setinfo(struct inode *inode, const char *name,
+                   struct cifs_sb_info *cifs_sb, struct cifs_tcon *tcon,
+                   const unsigned int xid)
+{
+        FILE_BASIC_INFO data;
+        struct cifsInodeInfo *cifs_i;
+        u32 dosattrs;
+        int tmprc;
+
+        memset(&data, 0, sizeof(data));
+        cifs_i = CIFS_I(inode);
+        dosattrs = cifs_i->cifsAttrs | ATTR_READONLY;
+        data.Attributes = cpu_to_le32(dosattrs);
+        tmprc = smb2_open_op_close(xid, tcon, cifs_sb, name,
+                                   FILE_WRITE_ATTRIBUTES, FILE_CREATE, 0,
+                                   CREATE_NOT_FILE, &data, SMB2_OP_SET_INFO);
+        if (tmprc == 0)
+                cifs_i->cifsAttrs = dosattrs;
+}
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 410cf925ea26..cc74871d2598 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -318,6 +318,8 @@ struct smb_version_operations smb21_operations = {
         .query_path_info = smb2_query_path_info,
         .get_srv_inum = smb2_get_srv_inum,
         .build_path_to_root = smb2_build_path_to_root,
+        .mkdir = smb2_mkdir,
+        .mkdir_setinfo = smb2_mkdir_setinfo,
 };
 
 struct smb_version_values smb21_values = {
diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index 902bbe2b5ad3..f9925082737c 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -52,6 +52,12 @@ extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
                                 struct cifs_sb_info *cifs_sb,
                                 const char *full_path, FILE_ALL_INFO *data,
                                 bool *adjust_tz);
+extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon,
+                      const char *name, struct cifs_sb_info *cifs_sb);
+extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
+                               struct cifs_sb_info *cifs_sb,
+                               struct cifs_tcon *tcon, const unsigned int xid);
+
 /*
  * SMB2 Worker functions - most of protocol specific implementation details
  * are contained within these calls.