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-rw-r--r--include/asm-generic/bitops/ext2-atomic.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-generic/bitops/ext2-atomic.h b/include/asm-generic/bitops/ext2-atomic.h
index ecf1c9d8a7cc..87f0f109d7f1 100644
--- a/include/asm-generic/bitops/ext2-atomic.h
+++ b/include/asm-generic/bitops/ext2-atomic.h
@@ -1,6 +1,10 @@
#ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
#define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
+/*
+ * Spinlock based version of ext2 atomic bitops
+ */
+
#define ext2_set_bit_atomic(lock, nr, addr) \
({ \
int ret; \
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