Re: [PATCH] dm.c - device-mapper I/O path fixes

From: Joe Thornber (joe@fib011235813.fsnet.co.uk)
Date: Wed Dec 11 2002 - 07:19:53 EST


md->pending was being incremented for each clone rather than just
once. [Kevin Corry]

--- diff/drivers/md/dm.c 2002-12-11 12:00:34.000000000 +0000
+++ source/drivers/md/dm.c 2002-12-11 12:00:39.000000000 +0000
@@ -310,7 +310,6 @@
          * anything, the target has assumed ownership of
          * this io.
          */
- atomic_inc(&io->md->pending);
         atomic_inc(&io->io_count);
         r = ti->type->map(ti, clone);
         if (r > 0)
@@ -424,6 +423,7 @@
         ci.sector_count = bio_sectors(bio);
         ci.idx = 0;
 
+ atomic_inc(&md->pending);
         while (ci.sector_count)
                 __clone_and_map(&ci);
 
-
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