openwrt/target/linux/generic/patches-3.0/505-2.6.39_fix.patch

--- a/fs/yaffs2/yaffs_vfs_glue.c
+++ b/fs/yaffs2/yaffs_vfs_glue.c
@@ -72,7 +72,7 @@
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/proc_fs.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 #include <linux/pagemap.h>
 #include <linux/mtd/mtd.h>
 #include <linux/interrupt.h>
@@ -97,6 +97,8 @@
 
 #include <asm/div64.h>
 
+static DEFINE_MUTEX(yaffs_mutex);
+
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
 
 #include <linux/statfs.h>
@@ -1538,7 +1540,7 @@ static loff_t yaffs_dir_llseek(struct fi
 {
 	long long retval;
 
-	lock_kernel();
+	mutex_lock(&yaffs_mutex);
 
 	switch (origin){
 	case 2:
@@ -1555,7 +1557,7 @@ static loff_t yaffs_dir_llseek(struct fi
 
 		retval = offset;
 	}
-	unlock_kernel();
+	mutex_unlock(&yaffs_mutex);
 	return retval;
 }
 
@@ -3087,98 +3089,52 @@ static struct super_block *yaffs_interna
 	return sb;
 }
 
-
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
 static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data,
 					 int silent)
 {
 	return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL;
 }
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-static int yaffs_read_super(struct file_system_type *fs,
+static struct dentry *yaffs_read_super(struct file_system_type *fs,
 			    int flags, const char *dev_name,
-			    void *data, struct vfsmount *mnt)
-{
-
-	return get_sb_bdev(fs, flags, dev_name, data,
-			   yaffs_internal_read_super_mtd, mnt);
-}
-#else
-static struct super_block *yaffs_read_super(struct file_system_type *fs,
-					    int flags, const char *dev_name,
-					    void *data)
+			    void *data)
 {
 
-	return get_sb_bdev(fs, flags, dev_name, data,
+	return mount_bdev(fs, flags, dev_name, data,
 			   yaffs_internal_read_super_mtd);
 }
-#endif
 
 static struct file_system_type yaffs_fs_type = {
 	.owner = THIS_MODULE,
 	.name = "yaffs",
-	.get_sb = yaffs_read_super,
+	.mount = yaffs_read_super,
 	.kill_sb = kill_block_super,
 	.fs_flags = FS_REQUIRES_DEV,
 };
-#else
-static struct super_block *yaffs_read_super(struct super_block *sb, void *data,
-					    int silent)
-{
-	return yaffs_internal_read_super(1, sb, data, silent);
-}
-
-static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super,
-		      FS_REQUIRES_DEV);
-#endif
-
 
 #ifdef CONFIG_YAFFS_YAFFS2
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
 static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data,
 					  int silent)
 {
 	return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL;
 }
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-static int yaffs2_read_super(struct file_system_type *fs,
-			int flags, const char *dev_name, void *data,
-			struct vfsmount *mnt)
+static struct dentry *yaffs2_read_super(struct file_system_type *fs,
+			int flags, const char *dev_name,
+			void *data)
 {
-	return get_sb_bdev(fs, flags, dev_name, data,
-			yaffs2_internal_read_super_mtd, mnt);
+	return mount_bdev(fs, flags, dev_name, data,
+		yaffs_internal_read_super_mtd);
 }
-#else
-static struct super_block *yaffs2_read_super(struct file_system_type *fs,
-					     int flags, const char *dev_name,
-					     void *data)
-{
-
-	return get_sb_bdev(fs, flags, dev_name, data,
-			   yaffs2_internal_read_super_mtd);
-}
-#endif
 
 static struct file_system_type yaffs2_fs_type = {
 	.owner = THIS_MODULE,
 	.name = "yaffs2",
-	.get_sb = yaffs2_read_super,
+	.mount = yaffs2_read_super,
 	.kill_sb = kill_block_super,
 	.fs_flags = FS_REQUIRES_DEV,
 };
-#else
-static struct super_block *yaffs2_read_super(struct super_block *sb,
-					     void *data, int silent)
-{
-	return yaffs_internal_read_super(2, sb, data, silent);
-}
-
-static DECLARE_FSTYPE(yaffs2_fs_type, "yaffs2", yaffs2_read_super,
-		      FS_REQUIRES_DEV);
-#endif
 
 #endif				/* CONFIG_YAFFS_YAFFS2 */