yaffs Add function to get number of open handles

[yaffs2.git] / direct / yaffsfs.c

diff --git a/direct/yaffsfs.c b/direct/yaffsfs.c
index db51171405c6c881a8cd0d91b0e84a2c1fa4e8b1..b709d93fed1edf91332a66f756b3db6bae7ef813 100644 (file)
--- a/direct/yaffsfs.c
+++ b/direct/yaffsfs.c
@@ -110,31 +110,46 @@ yaffs_Object *yaffsfs_GetHandleObject(int handle)
 }
 
 /*
- * yaffsfs_GetInodeIdForObject
- * Grab an inode entry when opening a new inode.
+ * yaffsfs_FindInodeIdForObject
+ * Find the inode entry for an object, if it exists.
  */
 
-static int yaffsfs_GetInodeIdForObject(yaffs_Object *obj)
+static int yaffsfs_FindInodeIdForObject(yaffs_Object *obj)
 {
        int i;
        int ret = -1;
-       yaffsfs_Inode *in = NULL;
        
        if(obj)
                obj = yaffs_GetEquivalentObject(obj);
 
-       /* Look for it. If we can't find it then make one */
+       /* Look for it in open inode table*/
        for(i = 0; i < YAFFSFS_N_HANDLES && ret < 0; i++){
                if(yaffsfs_inode[i].iObj == obj)
                        ret = i;
        }
+       return ret;
+}
+
+/*
+ * yaffsfs_GetInodeIdForObject
+ * Grab an inode entry when opening a new inode.
+ */
+static int yaffsfs_GetInodeIdForObject(yaffs_Object *obj)
+{
+       int i;
+       int ret;
+       yaffsfs_Inode *in = NULL;
+       
+       if(obj)
+               obj = yaffs_GetEquivalentObject(obj);
+
+        ret = yaffsfs_FindInodeIdForObject(obj);
 
        for(i = 0; i < YAFFSFS_N_HANDLES && ret < 0; i++){
                if(!yaffsfs_inode[i].iObj)
                        ret = i;
        }
-       
-       
+
        if(ret>=0){
                in = &yaffsfs_inode[ret];
                if(!in->iObj)
@@ -147,6 +162,17 @@ static int yaffsfs_GetInodeIdForObject(yaffs_Object *obj)
        return ret;
 }
 
+
+static int yaffsfs_CountHandles(yaffs_Object *obj)
+{
+       int i = yaffsfs_FindInodeIdForObject(obj);
+
+       if(i >= 0)
+               return yaffsfs_inode[i].count;
+       else
+               return 0;
+}
+
 static void yaffsfs_ReleaseInode(yaffsfs_Inode *in)
 {
        yaffs_Object *obj;
@@ -2223,6 +2249,23 @@ int yaffs_mknod(const YCHAR *pathname, mode_t mode, dev_t dev)
        return -1;
 }
 
+
+
+/*
+ * yaffs_n_handles()
+ * Returns number of handles attached to the object
+ */
+int yaffs_n_handles(const YCHAR *path)
+{
+       yaffs_Object *obj;
+
+       obj = yaffsfs_FindObject(NULL,path,0);
+       if(obj)
+               obj = yaffs_GetEquivalentObject(obj);
+
+       return yaffsfs_CountHandles(obj);
+}
+
 int yaffs_DumpDevStruct(const YCHAR *path)
 {
 #if 0