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authorEvgeniy Polyakov <zbr@ioremap.net>2009-03-27 15:04:29 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2009-04-17 11:06:30 -0700
commite0ca87391694dfacd01465d5c01c579c3b8b63e0 (patch)
tree7d295aa23034586fd7374b3e614e0844d39f351e /drivers/staging/pohmelfs/trans.c
parentf2739de19176009b14475207d5418cd79e7f0ba3 (diff)
Staging: Pohmelfs: Added IO permissions and priorities.
Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/pohmelfs/trans.c')
-rw-r--r--drivers/staging/pohmelfs/trans.c30
1 files changed, 9 insertions, 21 deletions
diff --git a/drivers/staging/pohmelfs/trans.c b/drivers/staging/pohmelfs/trans.c
index b89f9f36b350..168fc8998c32 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",