diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2012-11-30 11:54:42 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-11 12:14:17 -0800 |
| commit | efefecf33adefcd28edfd3cee282aa9cbc3374ca (patch) | |
| tree | d94508ab3346f23ad7bf0965aef2f76be8b21f89 | |
| parent | b06e48afd17b29542b04c6a8b4a7f1a7c2e446c2 (diff) | |
uas: add IS_IN_WORK_LIST flag
Keep track whenever the request is linked into the work list or not.
Needed for request abort.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/storage/uas.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index a972e53656f5..05f1f2b8c33b 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -67,6 +67,7 @@ enum { COMMAND_COMPLETED = (1 << 11), COMMAND_ABORTED = (1 << 12), UNLINK_DATA_URBS = (1 << 13), + IS_IN_WORK_LIST = (1 << 14), }; /* Overrides scsi_pointer */ @@ -131,6 +132,8 @@ static void uas_do_work(struct work_struct *work) struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata; spin_lock_irqsave(&devinfo->lock, flags); err = uas_submit_urbs(cmnd, cmnd->device->hostdata, GFP_ATOMIC); + if (!err) + cmdinfo->state &= ~IS_IN_WORK_LIST; spin_unlock_irqrestore(&devinfo->lock, flags); if (err) { list_del(&cmdinfo->list); @@ -193,7 +196,7 @@ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *caller) struct uas_cmd_info *ci = (void *)&cmnd->SCp; scmd_printk(KERN_INFO, cmnd, "%s %p tag %d, inflight:" - "%s%s%s%s%s%s%s%s%s%s%s%s%s\n", + "%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", caller, cmnd, cmnd->request->tag, (ci->state & SUBMIT_STATUS_URB) ? " s-st" : "", (ci->state & ALLOC_DATA_IN_URB) ? " a-in" : "", @@ -207,7 +210,8 @@ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *caller) (ci->state & DATA_OUT_URB_INFLIGHT) ? " OUT" : "", (ci->state & COMMAND_COMPLETED) ? " done" : "", (ci->state & COMMAND_ABORTED) ? " abort" : "", - (ci->state & UNLINK_DATA_URBS) ? " unlink": ""); + (ci->state & UNLINK_DATA_URBS) ? " unlink": "", + (ci->state & IS_IN_WORK_LIST) ? " work" : ""); } static int uas_try_complete(struct scsi_cmnd *cmnd, const char *caller) @@ -244,6 +248,7 @@ static void uas_xfer_data(struct urb *urb, struct scsi_cmnd *cmnd, if (err) { spin_lock(&uas_work_lock); list_add_tail(&cmdinfo->list, &uas_work_list); + cmdinfo->state |= IS_IN_WORK_LIST; spin_unlock(&uas_work_lock); schedule_work(&uas_work); } @@ -643,6 +648,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, } spin_lock(&uas_work_lock); list_add_tail(&cmdinfo->list, &uas_work_list); + cmdinfo->state |= IS_IN_WORK_LIST; spin_unlock(&uas_work_lock); schedule_work(&uas_work); } |