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-rw-r--r--fs/btrfs/compat.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/compat.h b/fs/btrfs/compat.h
index d39a768e65ff..b3349a66999d 100644
--- a/fs/btrfs/compat.h
+++ b/fs/btrfs/compat.h
@@ -1,6 +1,9 @@
#ifndef _COMPAT_H_
#define _COMPAT_H_
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26)
+#define trylock_page(page) (!TestSetPageLocked(page))
+#endif
/*
* Even if AppArmor isn't enabled, it still has different prototypes.