diff for duplicates of <20201026185334.GA8463@redhat.com>

diff --git a/a/1.txt b/N1/1.txt
index 0b658e7..7e8176b 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -217,8 +217,3 @@ Again, it is the recursive nature of submit_bio() that makes this
 challenging.
 
 Mike
-
---
-dm-devel mailing list
-dm-devel@redhat.com
-https://www.redhat.com/mailman/listinfo/dm-devel
diff --git a/a/content_digest b/N1/content_digest
index 20a29f9..2805494 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -2,14 +2,14 @@
  "ref\020201021203906.GA10896@redhat.com\0"
  "ref\0da936cfa-93a8-d6ec-bd88-c0fad6c67c8b@linux.alibaba.com\0"
  "From\0Mike Snitzer <snitzer@redhat.com>\0"
- "Subject\0Re: [dm-devel] [RFC 0/3] Add support of iopoll for dm device\0"
+ "Subject\0Re: [RFC 0/3] Add support of iopoll for dm device\0"
  "Date\0Mon, 26 Oct 2020 14:53:35 -0400\0"
  "To\0JeffleXu <jefflexu@linux.alibaba.com>\0"
  "Cc\0axboe@kernel.dk"
-  xiaoguang.wang@linux.alibaba.com
   linux-block@vger.kernel.org
-  joseph.qi@linux.alibaba.com
   dm-devel@redhat.com
+  joseph.qi@linux.alibaba.com
+  xiaoguang.wang@linux.alibaba.com
   haoxu@linux.alibaba.com
  " io-uring@vger.kernel.org\0"
  "\00:1\0"
@@ -232,11 +232,6 @@
  "Again, it is the recursive nature of submit_bio() that makes this\n"
  "challenging.\n"
  "\n"
- "Mike\n"
- "\n"
- "--\n"
- "dm-devel mailing list\n"
- "dm-devel@redhat.com\n"
- https://www.redhat.com/mailman/listinfo/dm-devel
+ Mike
 
-94634206da129817f6184c41bd33c4521987965555abadca2b7b3d5e49dea5a5
+27786e3e221fc5dd56e542abc82d72a8344c1d63626f51db5c9280a9ae288d6e
