X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_fs.c;h=ecf2bbe4d48bc458fff4396e663b8b1bc8a3e781;hp=a372ddfcbd75ebbce1715a6596daf1e391239f16;hb=0035e396dc2b872289b8e6320ced59e2eea81962;hpb=69808485ec796bfa2b4806f91828281eccd0827b

diff --git a/yaffs_fs.c b/yaffs_fs.c
index a372ddf..ecf2bbe 100644
--- a/yaffs_fs.c
+++ b/yaffs_fs.c
@@ -43,6 +43,7 @@
 
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35))
 #define YAFFS_USE_SETATTR_COPY
+#define YAFFS_USE_TRUNCATE_SETSIZE
 #endif
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35))
 #define YAFFS_HAS_EVICT_INODE
@@ -164,6 +165,7 @@ unsigned int yaffs_traceMask = YAFFS_TRACE_BAD_BLOCKS | YAFFS_TRACE_ALWAYS;
 unsigned int yaffs_wr_attempts = YAFFS_WR_ATTEMPTS;
 unsigned int yaffs_auto_checkpoint = 1;
 unsigned int yaffs_gc_control = 1;
+unsigned int yaffs_bg_enable = 1;
 
 /* Module Parameters */
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
@@ -171,6 +173,7 @@ module_param(yaffs_traceMask, uint, 0644);
 module_param(yaffs_wr_attempts, uint, 0644);
 module_param(yaffs_auto_checkpoint, uint, 0644);
 module_param(yaffs_gc_control, uint, 0644);
+module_param(yaffs_bg_enable, uint, 0644);
 #else
 MODULE_PARM(yaffs_traceMask, "i");
 MODULE_PARM(yaffs_wr_attempts, "i");
@@ -483,6 +486,17 @@ static  int yaffs_vfs_setattr(struct inode *inode, struct iattr *attr)
 
 }
 
+static  int yaffs_vfs_setsize(struct inode *inode, loff_t newsize)
+{
+#ifdef  YAFFS_USE_TRUNCATE_SETSIZE
+	truncate_setsize(inode,newsize);
+	return 0;
+#else
+	return simple_setsize(inode, newsize);
+#endif
+
+}
+
 static unsigned yaffs_gc_control_callback(yaffs_Device *dev)
 {
 	return yaffs_gc_control;
@@ -862,6 +876,7 @@ static void yaffs_evict_inode( struct inode *inode)
 	if (!inode->i_nlink && !is_bad_inode(inode))
 		deleteme = 1;
 	truncate_inode_pages(&inode->i_data,0);
+	end_writeback(inode);
 
 	if(deleteme && obj){
 		dev = obj->myDev;
@@ -869,7 +884,6 @@ static void yaffs_evict_inode( struct inode *inode)
 		yaffs_DeleteObject(obj);
 		yaffs_GrossUnlock(dev);
 	}
-	end_writeback(inode);
 	if (obj) {
 		dev = obj->myDev;
 		yaffs_GrossLock(dev);
@@ -1971,8 +1985,10 @@ static int yaffs_setattr(struct dentry *dentry, struct iattr *attr)
 		if (!error){
 			error = yaffs_vfs_setattr(inode, attr);
 			T(YAFFS_TRACE_OS,(TSTR("inode_setattr called\n")));
-			if (attr->ia_valid & ATTR_SIZE)
-                        	truncate_inode_pages(&inode->i_data,attr->ia_size);
+			if (attr->ia_valid & ATTR_SIZE){
+                        	yaffs_vfs_setsize(inode,attr->ia_size);
+                        	inode->i_blocks = (inode->i_size + 511) >> 9;
+			}
 		}
 		dev = yaffs_InodeToObject(inode)->myDev;
 		if (attr->ia_valid & ATTR_SIZE){
@@ -2038,9 +2054,8 @@ ssize_t yaffs_getxattr(struct dentry *dentry, const char *name, void *buff,
 	yaffs_Object *obj = yaffs_InodeToObject(inode);
 
 	T(YAFFS_TRACE_OS,
-		(TSTR("yaffs_getxattr of object %d\n"),
-		obj->objectId));
-
+		(TSTR("yaffs_getxattr \"%s\" from object %d\n"),
+		name, obj->objectId));
 
 	if (error == 0) {
 		dev = obj->myDev;
@@ -2320,12 +2335,12 @@ static int yaffs_BackgroundThread(void *data)
 
 		now = jiffies;
 
-		if(time_after(now, next_dir_update)){
+		if(time_after(now, next_dir_update) && yaffs_bg_enable){
 			yaffs_UpdateDirtyDirectories(dev);
 			next_dir_update = now + HZ;
 		}
 
-		if(time_after(now,next_gc)){
+		if(time_after(now,next_gc) && yaffs_bg_enable){
 			if(!dev->isCheckpointed){
 				urgency = yaffs_bg_gc_urgency(dev);
 				gcResult = yaffs_BackgroundGarbageCollect(dev, urgency);