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

Joe Thornber
2002-12-11T12:12:15Z

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);