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-rw-r--r--include/linux/nfs_fs_sb.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index ca0959e51e81..6aa2a200676a 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -138,6 +138,7 @@ struct nfs_server {
struct nlm_host *nlm_host; /* NLM client handle */
struct nfs_iostats __percpu *io_stats; /* I/O statistics */
atomic_long_t writeback; /* number of writeback pages */
+ unsigned int write_congested;/* flag set when writeback gets too high */
unsigned int flags; /* various flags */
/* The following are for internal use only. Also see uapi/linux/nfs_mount.h */