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Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

Browse source 
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
  [S390] s390: Fix build for !CONFIG_S390_GUEST + CONFIG_VIRTIO_CONSOLE
  [S390] No more 4kb stacks.
  [S390] Change default IPL method to IPL_VM.
  [S390] tape: disable interrupts in tape_open and tape_release
  [S390] appldata: unsigned ops->size cannot be negative
  [S390] tape block: complete request with correct locking
  [S390] Fix sysdev class file creation.
  [S390] pgtables: Fix race in enable_sie vs. page table ops
  [S390] qdio: remove incorrect memset
  [S390] qdio: prevent double qdio shutdown in case of I/O errors
This commit is contained in:
Linus Torvalds 2008-10-28 09:44:59 -07:00
commit b30fc14c5c
13 changed files with 62 additions and 67 deletions
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6
drivers/s390/char/tape_block.c
View file

@ -76,7 +76,7 @@ tapeblock_trigger_requeue(struct tape_device *device)
static void
tapeblock_end_request(struct request *req, int error)
{
if (__blk_end_request(req, error, blk_rq_bytes(req)))
if (blk_end_request(req, error, blk_rq_bytes(req)))
BUG();
}
@ -166,7 +166,7 @@ tapeblock_requeue(struct work_struct *work) {
nr_queued++;
spin_unlock(get_ccwdev_lock(device->cdev));
spin_lock(&device->blk_data.request_queue_lock);
spin_lock_irq(&device->blk_data.request_queue_lock);
while (
!blk_queue_plugged(queue) &&
elv_next_request(queue) &&
@ -176,7 +176,9 @@ tapeblock_requeue(struct work_struct *work) {
if (rq_data_dir(req) == WRITE) {
DBF_EVENT(1, "TBLOCK: Rejecting write request\n");
blkdev_dequeue_request(req);
spin_unlock_irq(&device->blk_data.request_queue_lock);
tapeblock_end_request(req, -EIO);
spin_lock_irq(&device->blk_data.request_queue_lock);
continue;
}
blkdev_dequeue_request(req);

8
drivers/s390/char/tape_core.c
View file

@ -1200,7 +1200,7 @@ tape_open(struct tape_device *device)
{
int rc;
spin_lock(get_ccwdev_lock(device->cdev));
spin_lock_irq(get_ccwdev_lock(device->cdev));
if (device->tape_state == TS_NOT_OPER) {
DBF_EVENT(6, "TAPE:nodev\n");
rc = -ENODEV;
@ -1218,7 +1218,7 @@ tape_open(struct tape_device *device)
tape_state_set(device, TS_IN_USE);
rc = 0;
}
spin_unlock(get_ccwdev_lock(device->cdev));
spin_unlock_irq(get_ccwdev_lock(device->cdev));
return rc;
}
@ -1228,11 +1228,11 @@ tape_open(struct tape_device *device)
int
tape_release(struct tape_device *device)
{
spin_lock(get_ccwdev_lock(device->cdev));
spin_lock_irq(get_ccwdev_lock(device->cdev));
if (device->tape_state == TS_IN_USE)
tape_state_set(device, TS_UNUSED);
module_put(device->discipline->owner);
spin_unlock(get_ccwdev_lock(device->cdev));
spin_unlock_irq(get_ccwdev_lock(device->cdev));
return 0;
}

19
drivers/s390/cio/qdio_debug.c
View file

@ -20,6 +20,7 @@ static struct dentry *debugfs_root;
#define MAX_DEBUGFS_QUEUES 32
static struct dentry *debugfs_queues[MAX_DEBUGFS_QUEUES] = { NULL };
static DEFINE_MUTEX(debugfs_mutex);
#define QDIO_DEBUGFS_NAME_LEN 40
void qdio_allocate_do_dbf(struct qdio_initialize *init_data)
{
@ -152,17 +153,6 @@ static int qstat_seq_open(struct inode *inode, struct file *filp)
filp->f_path.dentry->d_inode->i_private);
}
static void get_queue_name(struct qdio_q *q, struct ccw_device *cdev, char *name)
{
memset(name, 0, sizeof(name));
sprintf(name, "%s", dev_name(&cdev->dev));
if (q->is_input_q)
sprintf(name + strlen(name), "_input");
else
sprintf(name + strlen(name), "_output");
sprintf(name + strlen(name), "_%d", q->nr);
}
static void remove_debugfs_entry(struct qdio_q *q)
{
int i;
@ -189,14 +179,17 @@ static struct file_operations debugfs_fops = {
static void setup_debugfs_entry(struct qdio_q *q, struct ccw_device *cdev)
{
int i = 0;
char name[40];
char name[QDIO_DEBUGFS_NAME_LEN];
while (debugfs_queues[i] != NULL) {
i++;
if (i >= MAX_DEBUGFS_QUEUES)
return;
}
get_queue_name(q, cdev, name);
snprintf(name, QDIO_DEBUGFS_NAME_LEN, "%s_%s_%d",
dev_name(&cdev->dev),
q->is_input_q ? "input" : "output",
q->nr);
debugfs_queues[i] = debugfs_create_file(name, S_IFREG | S_IRUGO | S_IWUSR,
debugfs_root, q, &debugfs_fops);
}

1
drivers/s390/cio/qdio_main.c
View file

@ -1083,7 +1083,6 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
case -EIO:
sprintf(dbf_text, "ierr%4x", irq_ptr->schid.sch_no);
QDIO_DBF_TEXT2(1, setup, dbf_text);
qdio_int_error(cdev);
return;
case -ETIMEDOUT:
sprintf(dbf_text, "qtoh%4x", irq_ptr->schid.sch_no);