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-rw-r--r--fs/fscache/internal.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index edd7434ab6e5..6e0b5fb25231 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -82,6 +82,13 @@ extern unsigned fscache_defer_lookup;
extern unsigned fscache_defer_create;
extern unsigned fscache_debug;
extern struct kobject *fscache_root;
+extern struct workqueue_struct *fscache_object_wq;
+DECLARE_PER_CPU(wait_queue_head_t, fscache_object_cong_wait);
+
+static inline bool fscache_object_congested(void)
+{
+ return workqueue_congested(WORK_CPU_UNBOUND, fscache_object_wq);
+}
extern int fscache_wait_bit(void *);
extern int fscache_wait_bit_interruptible(void *);