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authorStefan Richter <stefanr@s5r6.in-berlin.de>2012-05-21 21:39:42 +0200
committerStefan Richter <stefanr@s5r6.in-berlin.de>2012-05-21 21:39:42 +0200
commit0ad8c6a22d03a1598f7cc6585c65354dadca62ad (patch)
tree1507deef3d55d5f3c71b2f76924fe1f6c6211905 /fs/dlm
parent8527f8e2934683e53405fbe876a4e6f4a0c46eb8 (diff)
parent76e10d158efb6d4516018846f60c2ab5501900bc (diff)
downloadtalos-obmc-linux-0ad8c6a22d03a1598f7cc6585c65354dadca62ad.tar.gz
talos-obmc-linux-0ad8c6a22d03a1598f7cc6585c65354dadca62ad.zip
Merge tag 'v3.4' with SCSI updates, needed for subsequent firewire-sbp2 changes
Linux 3.4
Diffstat (limited to 'fs/dlm')
-rw-r--r--fs/dlm/lock.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index fa5c07d51dcc..4c58d4a3adc4 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1737,6 +1737,18 @@ static int _can_be_granted(struct dlm_rsb *r, struct dlm_lkb *lkb, int now)
return 1;
/*
+ * Even if the convert is compat with all granted locks,
+ * QUECVT forces it behind other locks on the convert queue.
+ */
+
+ if (now && conv && (lkb->lkb_exflags & DLM_LKF_QUECVT)) {
+ if (list_empty(&r->res_convertqueue))
+ return 1;
+ else
+ goto out;
+ }
+
+ /*
* The NOORDER flag is set to avoid the standard vms rules on grant
* order.
*/
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