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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2007-12-04 16:09:03 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-12-04 16:09:57 +0100 |
| commit | 436d1bc7fe6e78e37fe5f5022ea4d5c133d825eb (patch) | |
| tree | d2363a3489a98a3325114a253bef4dc13be3885e /drivers/s390/block | |
| parent | 671756162cfb0b3ccbb6a0047baa3010885561a2 (diff) | |
| download | op-kernel-dev-436d1bc7fe6e78e37fe5f5022ea4d5c133d825eb.zip op-kernel-dev-436d1bc7fe6e78e37fe5f5022ea4d5c133d825eb.tar.gz | |
[S390] dcssblk: prevent early access without own make_request function
When loading a dcss segment with the dcssblk driver, sometimes the
following kind of message appears:
bio too big device dcssblk0 (8 > 0)
Buffer I/O error on device dcssblk0, logical block 172016
..
The fix is to move the disk registration after setting the
make_request function, to avoid calls into generic_make_request
for dcssblock without having the make_request function set up
properly.
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/block')
| -rw-r--r-- | drivers/s390/block/dcssblk.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 5e083d1..15a5789 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -472,11 +472,11 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char if (rc) goto unregister_dev; - add_disk(dev_info->gd); - blk_queue_make_request(dev_info->dcssblk_queue, dcssblk_make_request); blk_queue_hardsect_size(dev_info->dcssblk_queue, 4096); + add_disk(dev_info->gd); + switch (dev_info->segment_type) { case SEG_TYPE_SR: case SEG_TYPE_ER: |
