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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-09 03:27:31 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-09 03:27:31 +0300 |
commit | cd764695b67386a81964f68e9c66efd9f13f4d29 (patch) | |
tree | 504e961ab6bad164c41f4b9c1ff00c0ce7f645ee /drivers/scsi/ibmvscsi/ibmvscsi.c | |
parent | 97d61b8e3aef163a75f80f4762794c154572293d (diff) | |
parent | ffda8c7dc492e2170bb263f7c56f286992ceb54b (diff) | |
download | linux-cd764695b67386a81964f68e9c66efd9f13f4d29.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (45 commits)
[SCSI] qla2xxx: Update version number to 8.03.00-k1.
[SCSI] qla2xxx: Add ISP81XX support.
[SCSI] qla2xxx: Use proper request/response queues with MQ instantiations.
[SCSI] qla2xxx: Correct MQ-chain information retrieval during a firmware dump.
[SCSI] qla2xxx: Collapse EFT/FCE copy procedures during a firmware dump.
[SCSI] qla2xxx: Don't pollute kernel logs with ZIO/RIO status messages.
[SCSI] qla2xxx: Don't fallback to interrupt-polling during re-initialization with MSI-X enabled.
[SCSI] qla2xxx: Remove support for reading/writing HW-event-log.
[SCSI] cxgb3i: add missing include
[SCSI] scsi_lib: fix DID_RESET status problems
[SCSI] fc transport: restore missing dev_loss_tmo callback to LLDD
[SCSI] aha152x_cs: Fix regression that keeps driver from using shared interrupts
[SCSI] sd: Correctly handle 6-byte commands with DIX
[SCSI] sd: DIF: Fix tagging on platforms with signed char
[SCSI] sd: DIF: Show app tag on error
[SCSI] Fix error handling for DIF/DIX
[SCSI] scsi_lib: don't decrement busy counters when inserting commands
[SCSI] libsas: fix test for negative unsigned and typos
[SCSI] a2091, gvp11: kill warn_unused_result warnings
[SCSI] fusion: Move a dereference below a NULL test
...
Fixed up trivial conflict due to moving the async part of sd_probe
around in the async probes vs using dev_set_name() in naming.
Diffstat (limited to 'drivers/scsi/ibmvscsi/ibmvscsi.c')
-rw-r--r-- | drivers/scsi/ibmvscsi/ibmvscsi.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 868d35ea01bb..5c541f7850f9 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -89,6 +89,7 @@ static int max_id = 64; static int max_channel = 3; static int init_timeout = 5; static int max_requests = IBMVSCSI_MAX_REQUESTS_DEFAULT; +static int max_events = IBMVSCSI_MAX_REQUESTS_DEFAULT + 2; static struct scsi_transport_template *ibmvscsi_transport_template; @@ -1633,7 +1634,7 @@ static struct scsi_host_template driver_template = { static unsigned long ibmvscsi_get_desired_dma(struct vio_dev *vdev) { /* iu_storage data allocated in initialize_event_pool */ - unsigned long desired_io = max_requests * sizeof(union viosrp_iu); + unsigned long desired_io = max_events * sizeof(union viosrp_iu); /* add io space for sg data */ desired_io += (IBMVSCSI_MAX_SECTORS_DEFAULT * 512 * @@ -1657,7 +1658,6 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id) vdev->dev.driver_data = NULL; - driver_template.can_queue = max_requests - 2; host = scsi_host_alloc(&driver_template, sizeof(*hostdata)); if (!host) { dev_err(&vdev->dev, "couldn't allocate host data\n"); @@ -1673,12 +1673,12 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id) atomic_set(&hostdata->request_limit, -1); hostdata->host->max_sectors = IBMVSCSI_MAX_SECTORS_DEFAULT; - rc = ibmvscsi_ops->init_crq_queue(&hostdata->queue, hostdata, max_requests); + rc = ibmvscsi_ops->init_crq_queue(&hostdata->queue, hostdata, max_events); if (rc != 0 && rc != H_RESOURCE) { dev_err(&vdev->dev, "couldn't initialize crq. rc=%d\n", rc); goto init_crq_failed; } - if (initialize_event_pool(&hostdata->pool, max_requests, hostdata) != 0) { + if (initialize_event_pool(&hostdata->pool, max_events, hostdata) != 0) { dev_err(&vdev->dev, "couldn't initialize event pool\n"); goto init_pool_failed; } @@ -1730,7 +1730,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id) add_host_failed: release_event_pool(&hostdata->pool, hostdata); init_pool_failed: - ibmvscsi_ops->release_crq_queue(&hostdata->queue, hostdata, max_requests); + ibmvscsi_ops->release_crq_queue(&hostdata->queue, hostdata, max_events); init_crq_failed: scsi_host_put(host); scsi_host_alloc_failed: @@ -1742,7 +1742,7 @@ static int ibmvscsi_remove(struct vio_dev *vdev) struct ibmvscsi_host_data *hostdata = vdev->dev.driver_data; release_event_pool(&hostdata->pool, hostdata); ibmvscsi_ops->release_crq_queue(&hostdata->queue, hostdata, - max_requests); + max_events); srp_remove_host(hostdata->host); scsi_remove_host(hostdata->host); @@ -1779,6 +1779,10 @@ int __init ibmvscsi_module_init(void) { int ret; + /* Ensure we have two requests to do error recovery */ + driver_template.can_queue = max_requests; + max_events = max_requests + 2; + if (firmware_has_feature(FW_FEATURE_ISERIES)) ibmvscsi_ops = &iseriesvscsi_ops; else if (firmware_has_feature(FW_FEATURE_VIO)) |