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| author | Mike Christie <michaelc@cs.wisc.edu> | 2009-04-21 15:32:32 -0500 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-04-27 10:09:54 -0500 |
| commit | 6b5d6c443a9b4fd71b633cef66b5db4de8a85787 (patch) | |
| tree | 6b0ca6eaba58d51d3a0715ba9be40bf5449b40ed /drivers/scsi/libiscsi.c | |
| parent | 9a6510eb3f030cedba32664498a610dc6d084d46 (diff) | |
| download | linux-6b5d6c443a9b4fd71b633cef66b5db4de8a85787.tar.gz linux-6b5d6c443a9b4fd71b633cef66b5db4de8a85787.tar.bz2 linux-6b5d6c443a9b4fd71b633cef66b5db4de8a85787.zip | |
[SCSI] cxgb3i, iser, iscsi_tcp: set target can queue
Set target can queue limit to the number of preallocated
session tasks we have.
This along with the cxgb3i can_queue patch will fix a throughput
problem where it could only queue one LU worth of data at a time.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/libiscsi.c')
| -rw-r--r-- | drivers/scsi/libiscsi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 689628359169..e72b4ad47d35 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1463,6 +1463,16 @@ int iscsi_change_queue_depth(struct scsi_device *sdev, int depth) } EXPORT_SYMBOL_GPL(iscsi_change_queue_depth); +int iscsi_target_alloc(struct scsi_target *starget) +{ + struct iscsi_cls_session *cls_session = starget_to_session(starget); + struct iscsi_session *session = cls_session->dd_data; + + starget->can_queue = session->scsi_cmds_max; + return 0; +} +EXPORT_SYMBOL_GPL(iscsi_target_alloc); + void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session) { struct iscsi_session *session = cls_session->dd_data; |