diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-11-23 08:55:47 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-23 08:55:47 +0100 |
| commit | ca9eed76133c00e7f4b1eeb4c1a6cb800cd2654c (patch) | |
| tree | 5f011f4bd00c921e41605b1915c227aeaf411a0d /drivers/block/ub.c | |
| parent | 8652cb4b0d87accbe78725fd2a13be2787059649 (diff) | |
| parent | 13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff) | |
Merge commit 'v2.6.28-rc6' into x86/debug
Diffstat (limited to 'drivers/block/ub.c')
| -rw-r--r-- | drivers/block/ub.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/block/ub.c b/drivers/block/ub.c index fccac18d3111..048d71d244d7 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -1546,8 +1546,6 @@ static void ub_top_sense_done(struct ub_dev *sc, struct ub_scsi_cmd *scmd) /* * Reset management - * XXX Move usb_reset_device to khubd. Hogging kevent is not a good thing. - * XXX Make usb_sync_reset asynchronous. */ static void ub_reset_enter(struct ub_dev *sc, int try) @@ -1633,6 +1631,22 @@ static void ub_reset_task(struct work_struct *work) } /* + * XXX Reset brackets are too much hassle to implement, so just stub them + * in order to prevent forced unbinding (which deadlocks solid when our + * ->disconnect method waits for the reset to complete and this kills keventd). + * + * XXX Tell Alan to move usb_unlock_device inside of usb_reset_device, + * or else the post_reset is invoked, and restats I/O on a locked device. + */ +static int ub_pre_reset(struct usb_interface *iface) { + return 0; +} + +static int ub_post_reset(struct usb_interface *iface) { + return 0; +} + +/* * This is called from a process context. */ static void ub_revalidate(struct ub_dev *sc, struct ub_lun *lun) @@ -2446,6 +2460,8 @@ static struct usb_driver ub_driver = { .probe = ub_probe, .disconnect = ub_disconnect, .id_table = ub_usb_ids, + .pre_reset = ub_pre_reset, + .post_reset = ub_post_reset, }; static int __init ub_init(void) |