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PATCH for dm-raid1 barriers

Message ID Pine.LNX.4.64.0911091420590.18408@hs20-bc2-1.build.redhat.com (mailing list archive)
State Superseded, archived
Delegated to: Alasdair Kergon
Headers show

Commit Message

Mikulas Patocka Nov. 9, 2009, 7:22 p.m. UTC 
None
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Patch

Index: linux-2.6.30-rc4-devel/include/linux/bio.h
===================================================================
--- linux-2.6.30-rc4-devel.orig/include/linux/bio.h	2009-05-04 17:00:52.000000000 +0200
+++ linux-2.6.30-rc4-devel/include/linux/bio.h	2009-05-04 17:03:55.000000000 +0200
@@ -505,7 +505,7 @@  static inline char *__bio_kmap_irq(struc
  */
 static inline int bio_has_data(struct bio *bio)
 {
-	return bio && bio->bi_io_vec != NULL;
+	return bio && bio->bi_size != 0;
 }
 
 /*