block: don't use REQ_SYNC in the READ_SYNC definition

Reads are synchronous per definition, don't add another flag for it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/include/linux/fs.h b/include/linux/fs.h
index e3e878f..5e0078f 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -196,7 +196,7 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
 #define READ                   REQ_OP_READ
 #define WRITE                  REQ_OP_WRITE
 
-#define READ_SYNC              REQ_SYNC
+#define READ_SYNC              0
 #define WRITE_SYNC             (REQ_SYNC | REQ_NOIDLE)
 #define WRITE_ODIRECT          REQ_SYNC
 #define WRITE_FLUSH            (REQ_SYNC | REQ_NOIDLE | REQ_PREFLUSH)