dlm: use more NOFS allocation

Change some GFP_KERNEL allocations to use either GFP_NOFS or
ls_allocation (when available) which the fs sets to GFP_NOFS.
The point is to prevent allocations from going back into the
cluster fs in places where that might lead to deadlock.

Signed-off-by: David Teigland <teigland@redhat.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 2559a97f0ddc..cdb580a9c7a2 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -500,7 +500,7 @@ static void process_sctp_notification(struct connection *con,
                                 return;
                         }
 
-                        new_con = nodeid2con(nodeid, GFP_KERNEL);
+                        new_con = nodeid2con(nodeid, GFP_NOFS);
                         if (!new_con)
                                 return;
 
@@ -736,7 +736,7 @@ static int tcp_accept_from_sock(struct connection *con)
          *  the same time and the connections cross on the wire.
          *  In this case we store the incoming one in "othercon"
          */
-        newcon = nodeid2con(nodeid, GFP_KERNEL);
+        newcon = nodeid2con(nodeid, GFP_NOFS);
         if (!newcon) {
                 result = -ENOMEM;
                 goto accept_err;
@@ -746,7 +746,7 @@ static int tcp_accept_from_sock(struct connection *con)
                 struct connection *othercon = newcon->othercon;
 
                 if (!othercon) {
-                        othercon = kmem_cache_zalloc(con_cache, GFP_KERNEL);
+                        othercon = kmem_cache_zalloc(con_cache, GFP_NOFS);
                         if (!othercon) {
                                 log_print("failed to allocate incoming socket");
                                 mutex_unlock(&newcon->sock_mutex);