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Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

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* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (60 commits)
  [SCSI] libsas: make ATA functions selectable by a config option
  [SCSI] bsg: unexport sg v3 helper functions
  [SCSI] bsg: fix bsg_unregister_queue
  [SCSI] bsg: make class backlinks
  [SCSI] 3w-9xxx: add support for 9690SA
  [SCSI] bsg: fix bsg_register_queue error path
  [SCSI] ESP: Increase ESP_BUS_TIMEOUT to 275.
  [SCSI] libsas: fix scr_read/write users and update the libata documentation
  [SCSI] mpt fusion: update Kconfig help
  [SCSI] scsi_transport_sas: add destructor for bsg
  [SCSI] iscsi_tcp: buggered kmalloc()
  [SCSI] qla2xxx: Update version number to 8.02.00-k2.
  [SCSI] qla2xxx: Add ISP25XX support.
  [SCSI] qla2xxx: Use pci_try_set_mwi().
  [SCSI] qla2xxx: Use PCI-X/PCI-Express read control interfaces.
  [SCSI] qla2xxx: Re-factor isp_operations to static structures.
  [SCSI] qla2xxx: Validate mid-layer 'underflow' during check-condition handling.
  [SCSI] qla2xxx: Correct setting of 'current' and 'supported' speeds during FDMI registration.
  [SCSI] qla2xxx: Generalize iIDMA support.
  [SCSI] qla2xxx: Generalize FW-Interface-2 support.
  ...
This commit is contained in:
Linus Torvalds 2007-07-22 11:36:49 -07:00
commit e6f194d8f6
73 changed files with 3661 additions and 1307 deletions
Download patch file Download diff file Expand all files Collapse all files

61
block/bsg.c
View file

@ -932,24 +932,34 @@ void bsg_unregister_queue(struct request_queue *q)
{
struct bsg_class_device *bcd = &q->bsg_dev;
WARN_ON(!bcd->class_dev);
if (!bcd->class_dev)
return;
mutex_lock(&bsg_mutex);
sysfs_remove_link(&q->kobj, "bsg");
class_device_destroy(bsg_class, MKDEV(bsg_major, bcd->minor));
class_device_unregister(bcd->class_dev);
put_device(bcd->dev);
bcd->class_dev = NULL;
bcd->dev = NULL;
list_del_init(&bcd->list);
bsg_device_nr--;
mutex_unlock(&bsg_mutex);
}
EXPORT_SYMBOL_GPL(bsg_unregister_queue);
int bsg_register_queue(struct request_queue *q, const char *name)
int bsg_register_queue(struct request_queue *q, struct device *gdev,
const char *name)
{
struct bsg_class_device *bcd, *__bcd;
dev_t dev;
int ret = -EMFILE;
struct class_device *class_dev = NULL;
const char *devname;
if (name)
devname = name;
else
devname = gdev->bus_id;
/*
* we need a proper transport to send commands, not a stacked device
@ -982,18 +992,20 @@ retry:
bsg_minor_idx = 0;
bcd->queue = q;
bcd->dev = get_device(gdev);
dev = MKDEV(bsg_major, bcd->minor);
class_dev = class_device_create(bsg_class, NULL, dev, bcd->dev, "%s", name);
class_dev = class_device_create(bsg_class, NULL, dev, gdev, "%s",
devname);
if (IS_ERR(class_dev)) {
ret = PTR_ERR(class_dev);
goto err;
goto err_put;
}
bcd->class_dev = class_dev;
if (q->kobj.sd) {
ret = sysfs_create_link(&q->kobj, &bcd->class_dev->kobj, "bsg");
if (ret)
goto err;
goto err_unregister;
}
list_add_tail(&bcd->list, &bsg_class_list);
@ -1001,37 +1013,17 @@ retry:
mutex_unlock(&bsg_mutex);
return 0;
err_unregister:
class_device_unregister(class_dev);
err_put:
put_device(gdev);
err:
if (class_dev)
class_device_destroy(bsg_class, MKDEV(bsg_major, bcd->minor));
mutex_unlock(&bsg_mutex);
return ret;
}
EXPORT_SYMBOL_GPL(bsg_register_queue);
static int bsg_add(struct class_device *cl_dev, struct class_interface *cl_intf)
{
int ret;
struct scsi_device *sdp = to_scsi_device(cl_dev->dev);
struct request_queue *rq = sdp->request_queue;
if (rq->kobj.parent)
ret = bsg_register_queue(rq, kobject_name(rq->kobj.parent));
else
ret = bsg_register_queue(rq, kobject_name(&sdp->sdev_gendev.kobj));
return ret;
}
static void bsg_remove(struct class_device *cl_dev, struct class_interface *cl_intf)
{
bsg_unregister_queue(to_scsi_device(cl_dev->dev)->request_queue);
}
static struct class_interface bsg_intf = {
.add = bsg_add,
.remove = bsg_remove,
};
static struct cdev bsg_cdev = {
.kobj = {.name = "bsg", },
.owner = THIS_MODULE,
@ -1069,16 +1061,9 @@ static int __init bsg_init(void)
if (ret)
goto unregister_chrdev;
ret = scsi_register_interface(&bsg_intf);
if (ret)
goto remove_cdev;
printk(KERN_INFO BSG_DESCRIPTION " version " BSG_VERSION
" loaded (major %d)\n", bsg_major);
return 0;
remove_cdev:
printk(KERN_ERR "bsg: failed register scsi interface %d\n", ret);
cdev_del(&bsg_cdev);
unregister_chrdev:
unregister_chrdev_region(MKDEV(bsg_major, 0), BSG_MAX_DEVS);
destroy_bsg_class: