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-rw-r--r--include/linux/blk_types.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 3fa62cabe8d2..107d23d18096 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -216,9 +216,15 @@ static inline bool op_is_write(unsigned int op)
return (op & 1);
}
+/*
+ * Reads are always treated as synchronous, as are requests with the FUA or
+ * PREFLUSH flag. Other operations may be marked as synchronous using the
+ * REQ_SYNC flag.
+ */
static inline bool op_is_sync(unsigned int op)
{
- return (op & REQ_OP_MASK) == REQ_OP_READ || (op & REQ_SYNC);
+ return (op & REQ_OP_MASK) == REQ_OP_READ ||
+ (op & (REQ_SYNC | REQ_FUA | REQ_PREFLUSH));
}
typedef unsigned int blk_qc_t;