commit f3e1d26ede3fb15c06904d700f1d7b21bba2215e
author Martin K. Petersen <martin.petersen@oracle.com> Tue Oct 21 17:45:04 2008 +0100
committer Alasdair G Kergon <agk@redhat.com> Tue Oct 21 17:45:04 2008 +0100
tree 18ce3a0e4c4005d9737b840b37440e4ad85ed860
parent 0a4a1047a445062793d9004bcb0d52756726fdf5

dm: mark split bio as cloned

When a bio gets split, mark its fragments with the BIO_CLONED flag.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

drivers/md/dm.c

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 327de03..829d9fc 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -669,6 +669,7 @@
 	clone->bi_size = to_bytes(len);
 	clone->bi_io_vec->bv_offset = offset;
 	clone->bi_io_vec->bv_len = clone->bi_size;
+	clone->bi_flags |= 1 << BIO_CLONED;
 
 	return clone;
 }