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-rw-r--r--kernel/trace/blktrace.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index d5f36f415d9d..3f6a7bdc6edf 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1887,6 +1887,8 @@ void blk_fill_rwbs(char *rwbs, blk_opf_t opf)
rwbs[i++] = 'S';
if (opf & REQ_META)
rwbs[i++] = 'M';
+ if (opf & REQ_ATOMIC)
+ rwbs[i++] = 'U';
rwbs[i] = '\0';
}