kernel: generic: add 3.10-rc1 support

[openwrt/svn-archive/archive.git] / target / linux / generic / patches-3.10 / 506-yaffs-3.2-dont-use-i_nlink-directly.patch

diff --git a/target/linux/generic/patches-3.10/506-yaffs-3.2-dont-use-i_nlink-directly.patch b/target/linux/generic/patches-3.10/506-yaffs-3.2-dont-use-i_nlink-directly.patch
new file mode 100644 (file)
index 0000000..91e8281
--- /dev/null
+++ b/target/linux/generic/patches-3.10/506-yaffs-3.2-dont-use-i_nlink-directly.patch
@@ -0,0 +1,78 @@
+--- a/fs/yaffs2/yaffs_vfs_glue.c
++++ b/fs/yaffs2/yaffs_vfs_glue.c
+@@ -220,6 +220,29 @@ static struct inode *yaffs_iget(struct s
+ #define yaffs_SuperToDevice(sb)       ((yaffs_dev_t *)sb->u.generic_sbp)
+ #endif
+ 
++#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0))
++static inline void yaffs_set_nlink(struct inode *inode, unsigned int nlink)
++{
++      set_nlink(inode, nlink);
++}
++
++static inline void yaffs_dec_link_count(struct inode *inode)
++{
++      inode_dec_link_count(inode);
++}
++#else
++static inline void yaffs_set_nlink(struct inode *inode, unsigned int nlink)
++{
++      inode->i_nlink = nlink;
++}
++
++static inline void yaffs_dec_link_count(struct inode *inode)
++{
++      inode->i_nlink--;
++      mark_inode_dirty(inode)
++}
++#endif
++
+ 
+ #define update_dir_time(dir) do {\
+                       (dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \
+@@ -1362,7 +1385,7 @@ static void yaffs_fill_inode_from_obj(st
+               inode->i_size = yaffs_get_obj_length(obj);
+               inode->i_blocks = (inode->i_size + 511) >> 9;
+ 
+-              inode->i_nlink = yaffs_get_obj_link_count(obj);
++              yaffs_set_nlink(inode, yaffs_get_obj_link_count(obj));
+ 
+               T(YAFFS_TRACE_OS,
+                       (TSTR("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"),
+@@ -1784,10 +1807,9 @@ static int yaffs_unlink(struct inode *di
+       retVal = yaffs_unlinker(obj, dentry->d_name.name);
+ 
+       if (retVal == YAFFS_OK) {
+-              dentry->d_inode->i_nlink--;
++              yaffs_dec_link_count(dentry->d_inode);
+               dir->i_version++;
+               yaffs_gross_unlock(dev);
+-              mark_inode_dirty(dentry->d_inode);
+               update_dir_time(dir);
+               return 0;
+       }
+@@ -1818,7 +1840,8 @@ static int yaffs_link(struct dentry *old
+                       obj);
+ 
+       if (link) {
+-              old_dentry->d_inode->i_nlink = yaffs_get_obj_link_count(obj);
++              yaffs_set_nlink(old_dentry->d_inode,
++                              yaffs_get_obj_link_count(obj));
+               d_instantiate(dentry, old_dentry->d_inode);
+               atomic_inc(&old_dentry->d_inode->i_count);
+               T(YAFFS_TRACE_OS,
+@@ -1937,11 +1960,9 @@ static int yaffs_rename(struct inode *ol
+       yaffs_gross_unlock(dev);
+ 
+       if (retVal == YAFFS_OK) {
+-              if (target) {
+-                      new_dentry->d_inode->i_nlink--;
+-                      mark_inode_dirty(new_dentry->d_inode);
+-              }
+-              
++              if (target)
++                      yaffs_dec_link_count(new_dentry->d_inode);
++
+               update_dir_time(old_dir);
+               if(old_dir != new_dir)
+                       update_dir_time(new_dir);