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-rw-r--r--fs/fscache/internal.h3
-rw-r--r--fs/fscache/main.c20
2 files changed, 23 insertions, 0 deletions
diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index 4c6ba56..1638994 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -82,6 +82,9 @@ extern unsigned fscache_defer_create;
extern unsigned fscache_debug;
extern struct kobject *fscache_root;
+extern int fscache_wait_bit(void *);
+extern int fscache_wait_bit_interruptible(void *);
+
/*
* fsc-proc.c
*/
diff --git a/fs/fscache/main.c b/fs/fscache/main.c
index 48b79d2..4de41b5 100644
--- a/fs/fscache/main.c
+++ b/fs/fscache/main.c
@@ -102,3 +102,23 @@ static void __exit fscache_exit(void)
}
module_exit(fscache_exit);
+
+/*
+ * wait_on_bit() sleep function for uninterruptible waiting
+ */
+int fscache_wait_bit(void *flags)
+{
+ schedule();
+ return 0;
+}
+EXPORT_SYMBOL(fscache_wait_bit);
+
+/*
+ * wait_on_bit() sleep function for interruptible waiting
+ */
+int fscache_wait_bit_interruptible(void *flags)
+{
+ schedule();
+ return signal_pending(current);
+}
+EXPORT_SYMBOL(fscache_wait_bit_interruptible);
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