[PATCH] Cleanup: Remove unused __REQ_NR_BITS from enum rq_flag_bits

[Nikanth Karthikesan]

The __REQ_NR_BITS  was being used by blk_dump_rq_flags() long back, while 
printing the individual request flag bits as strings to limit to the used 
bits. But it does not use it now. Remove unused enum.

Signed-off-by: Nikanth Karthikesan <knikanth@xxxxxxx>

---

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ba54c83..f41abbb 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -118,7 +118,6 @@ enum rq_flag_bits {
 	__REQ_COPY_USER,	/* contains copies of user pages */
 	__REQ_INTEGRITY,	/* integrity metadata has been remapped */
 	__REQ_NOIDLE,		/* Don't anticipate more IO after this one */
-	__REQ_NR_BITS,		/* stops here */
 };
 
 #define REQ_RW		(1 << __REQ_RW)

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