NFS: Add a count of the number of unstable writes carried by an inode
In order to know when we should do opportunistic commits of the unstable
writes, when the VM is doing a background flush, we add a field to count
the number of unstable writes.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 384ea3e..309217f 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -166,6 +166,7 @@
struct radix_tree_root nfs_page_tree;
unsigned long npages;
+ unsigned long ncommit;
/* Open contexts for shared mmap writes */
struct list_head open_files;