From: John L. Hammond <john.hamm...@intel.com>

In mdc_ioc_swap_layouts() cancel *any* unused locks with LAYOUT or
XATTR IBITS set on the two files. (This matches the locks acquired in
mdt_swap_layouts(). Previously only locks that conflicted with a CR
LAYOUT lock were cancelled.)

Signed-off-by: John L. Hammond <john.hamm...@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4320
Reviewed-on: http://review.whamcloud.com/9329
Reviewed-by: Andreas Dilger <andreas.dil...@intel.com>
Reviewed-by: Faccini Bruno <bruno.facc...@intel.com>
Reviewed-by: Oleg Drokin <oleg.dro...@intel.com>
Signed-off-by: James Simmons <jsimm...@infradead.org>
---
 drivers/staging/lustre/lustre/mdc/mdc_request.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/lustre/lustre/mdc/mdc_request.c 
b/drivers/staging/lustre/lustre/mdc/mdc_request.c
index 702ced9..030295f 100644
--- a/drivers/staging/lustre/lustre/mdc/mdc_request.c
+++ b/drivers/staging/lustre/lustre/mdc/mdc_request.c
@@ -1670,9 +1670,11 @@ static int mdc_ioc_swap_layouts(struct obd_export *exp,
         * with the request RPC to avoid extra RPC round trips
         */
        count = mdc_resource_get_unused(exp, &op_data->op_fid1, &cancels,
-                                       LCK_CR, MDS_INODELOCK_LAYOUT);
+                                       LCK_CR, MDS_INODELOCK_LAYOUT |
+                                       MDS_INODELOCK_XATTR);
        count += mdc_resource_get_unused(exp, &op_data->op_fid2, &cancels,
-                                        LCK_CR, MDS_INODELOCK_LAYOUT);
+                                        LCK_CR, MDS_INODELOCK_LAYOUT |
+                                        MDS_INODELOCK_XATTR);
 
        req = ptlrpc_request_alloc(class_exp2cliimp(exp),
                                   &RQF_MDS_SWAP_LAYOUTS);
-- 
1.7.1

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