Low performance USB storage driver: Use list_for_each_entry() instead
of list_for_each()
Signed-off-by: Matthias Kaehlcke <[EMAIL PROTECTED]>
--
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 746a118..18c8b6c 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -1547,10 +1547,8 @@ static void ub_reset_enter(struct ub_dev *sc, int try)
#endif
#if 0 /* We let them stop themselves. */
- struct list_head *p;
struct ub_lun *lun;
- list_for_each(p, &sc->luns) {
- lun = list_entry(p, struct ub_lun, link);
+ list_for_each_entry(lun, &sc->luns, link) {
blk_stop_queue(lun->disk->queue);
}
#endif
@@ -1562,7 +1560,6 @@ static void ub_reset_task(struct work_struct *work)
{
struct ub_dev *sc = container_of(work, struct ub_dev, reset_work);
unsigned long flags;
- struct list_head *p;
struct ub_lun *lun;
int lkr, rc;
@@ -1608,8 +1605,7 @@ static void ub_reset_task(struct work_struct *work)
spin_lock_irqsave(sc->lock, flags);
sc->reset = 0;
tasklet_schedule(&sc->tasklet);
- list_for_each(p, &sc->luns) {
- lun = list_entry(p, struct ub_lun, link);
+ list_for_each_entry(lun, &sc->luns, link) {
blk_start_queue(lun->disk->queue);
}
wake_up(&sc->reset_wait);
@@ -2348,7 +2344,6 @@ err_alloc:
static void ub_disconnect(struct usb_interface *intf)
{
struct ub_dev *sc = usb_get_intfdata(intf);
- struct list_head *p;
struct ub_lun *lun;
unsigned long flags;
@@ -2403,8 +2398,7 @@ static void ub_disconnect(struct usb_interface *intf)
/*
* Unregister the upper layer.
*/
- list_for_each (p, &sc->luns) {
- lun = list_entry(p, struct ub_lun, link);
+ list_for_each_entry(lun, &sc->luns, link) {
del_gendisk(lun->disk);
/*
* I wish I could do:
--
Matthias Kaehlcke
Linux Application Developer
Barcelona
"The only important thing Windows does better
than Debian is implementing the win32 platform"
.''`.
using free software / Debian GNU/Linux | http://debian.org : :' :
`. `'`
gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4 `-
-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
_______________________________________________
[email protected]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
