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, 4 insertions, 3 deletions

diff --git a/fs/dlm/dir.c b/fs/dlm/dir.c
index 858fba1..c4dfa1d 100644
--- a/fs/dlm/dir.c
+++ b/fs/dlm/dir.c
@@ -49,7 +49,8 @@ static struct dlm_direntry *get_free_de(struct dlm_ls *ls, int len)
 	spin_unlock(&ls->ls_recover_list_lock);
 
 	if (!found)
-		de = kzalloc(sizeof(struct dlm_direntry) + len, GFP_KERNEL);
+		de = kzalloc(sizeof(struct dlm_direntry) + len,
+			     ls->ls_allocation);
 	return de;
 }
 
@@ -211,7 +212,7 @@ int dlm_recover_directory(struct dlm_ls *ls)
 
 	dlm_dir_clear(ls);
 
-	last_name = kmalloc(DLM_RESNAME_MAXLEN, GFP_KERNEL);
+	last_name = kmalloc(DLM_RESNAME_MAXLEN, ls->ls_allocation);
 	if (!last_name)
 		goto out;
 
@@ -322,7 +323,7 @@ static int get_entry(struct dlm_ls *ls, int nodeid, char *name,
 	if (namelen > DLM_RESNAME_MAXLEN)
 		return -EINVAL;
 
-	de = kzalloc(sizeof(struct dlm_direntry) + namelen, GFP_KERNEL);
+	de = kzalloc(sizeof(struct dlm_direntry) + namelen, ls->ls_allocation);
 	if (!de)
 		return -ENOMEM;