net: smc91x: fix SMC accesses

[firefly-linux-kernel-4.4.55.git] / include / linux / writeback.h

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 8f964e558af5057c37d5ce051dde588d5deb194d..d0b5ca5d4e080346e8a657c6c6aee540e47776e7 100644 (file)
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -88,6 +88,15 @@ struct writeback_control {
        unsigned for_sync:1;            /* sync(2) WB_SYNC_ALL writeback */
 #ifdef CONFIG_CGROUP_WRITEBACK
        struct bdi_writeback *wb;       /* wb this writeback is issued under */
+       struct inode *inode;            /* inode being written out */
+
+       /* foreign inode detection, see wbc_detach_inode() */
+       int wb_id;                      /* current wb id */
+       int wb_lcand_id;                /* last foreign candidate wb id */
+       int wb_tcand_id;                /* this foreign candidate wb id */
+       size_t wb_bytes;                /* bytes written by current wb */
+       size_t wb_lcand_bytes;          /* bytes written by last candidate */
+       size_t wb_tcand_bytes;          /* bytes written by this candidate */
 #endif
 };
 
@@ -187,6 +196,9 @@ void wbc_attach_and_unlock_inode(struct writeback_control *wbc,
                                 struct inode *inode)
        __releases(&inode->i_lock);
 void wbc_detach_inode(struct writeback_control *wbc);
+void wbc_account_io(struct writeback_control *wbc, struct page *page,
+                   size_t bytes);
+void cgroup_writeback_umount(void);
 
 /**
  * inode_attach_wb - associate an inode with its wb
@@ -285,6 +297,15 @@ static inline void wbc_init_bio(struct writeback_control *wbc, struct bio *bio)
 {
 }
 
+static inline void wbc_account_io(struct writeback_control *wbc,
+                                 struct page *page, size_t bytes)
+{
+}
+
+static inline void cgroup_writeback_umount(void)
+{
+}
+
 #endif /* CONFIG_CGROUP_WRITEBACK */
 
 /*