Staging: Pohmelfs: Added IO permissions and priorities.

Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 9 insertions, 21 deletions

diff --git a/drivers/staging/pohmelfs/trans.c b/drivers/staging/pohmelfs/trans.c
index b89f9f36b35..168fc8998c3 100644
--- a/drivers/staging/pohmelfs/trans.c
+++ b/drivers/staging/pohmelfs/trans.c
@@ -456,34 +456,22 @@ int netfs_trans_finish_send(struct netfs_trans *t, struct pohmelfs_sb *psb)
                 __func__, t, t->gen, t->iovec.iov_len, t->page_num, psb->active_state);
 #endif
         mutex_lock(&psb->state_lock);
-
-        if ((t->flags & NETFS_TRANS_SINGLE_DST) && psb->active_state) {
-                st = &psb->active_state->state;
-
-                err = -EPIPE;
-                if (netfs_state_poll(st) & POLLOUT) {
-                        err = netfs_trans_push_dst(t, st);
-                        if (!err) {
-                                err = netfs_trans_send(t, st);
-                                if (err) {
-                                        netfs_trans_drop_last(t, st);
-                                } else {
-                                        pohmelfs_switch_active(psb);
-                                        goto out;
-                                }
-                        }
-                }
-                pohmelfs_switch_active(psb);
-        }
-
         list_for_each_entry(c, &psb->state_list, config_entry) {
                 st = &c->state;
 
+                if (t->flags & NETFS_TRANS_SINGLE_DST) {
+                        if (!(st->ctl.perm & POHMELFS_IO_PERM_READ))
+                                continue;
+                } else {
+                        if (!(st->ctl.perm & POHMELFS_IO_PERM_WRITE))
+                                continue;
+                }
+
                 err = netfs_trans_push(t, st);
                 if (!err && (t->flags & NETFS_TRANS_SINGLE_DST))
                         break;
         }
-out:
+
         mutex_unlock(&psb->state_lock);
 #if 0
         dprintk("%s: fully sent t: %p, gen: %u, size: %u, page_num: %u, err: %d.\n",