VFS: Use GFP_NOFS in posix_acl_from_xattr()

GFS2 needs to call this from under a glock, so we need GFP_NOFS
and I suspect that other filesystems might require this too.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

fs/xattr_acl.c

diff --git a/fs/xattr_acl.c b/fs/xattr_acl.c
index c6ad7c7..05ac0fe 100644
--- a/fs/xattr_acl.c
+++ b/fs/xattr_acl.c
@@ -36,7 +36,7 @@
 	if (count == 0)
 		return NULL;
 	
-	acl = posix_acl_alloc(count, GFP_KERNEL);
+	acl = posix_acl_alloc(count, GFP_NOFS);
 	if (!acl)
 		return ERR_PTR(-ENOMEM);
 	acl_e = acl->a_entries;