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| author | Kashyap, Desai <kashyap.desai@lsi.com> | 2010-03-17 16:22:52 +0530 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-04-11 09:23:56 -0500 |
| commit | 89009fbb7d2df37536c8dc932fdead4189783f92 (patch) | |
| tree | 12625e1d4dd6017ce3fc18db1b8c9659a1917661 /drivers/scsi/mpt2sas/mpt2sas_base.h | |
| parent | f891dcfdc11d2004253861f51d627bfda6773c76 (diff) | |
| download | op-kernel-dev-89009fbb7d2df37536c8dc932fdead4189783f92.zip op-kernel-dev-89009fbb7d2df37536c8dc932fdead4189783f92.tar.gz | |
[SCSI] mpt2sas: Use of get_free_pages for huge memorary allocation.
use the get_free_pages API for larger contigious physical memory chunk.
Also, the ioc->chain_depth need to be changed from
a 16bit to 32bit variable because the number of chains will exceed 64k
when the queue depth is large.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.h')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h index 142b694c..cdedfcb 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.h +++ b/drivers/scsi/mpt2sas/mpt2sas_base.h @@ -676,7 +676,8 @@ struct MPT2SAS_ADAPTER { dma_addr_t request_dma; u32 request_dma_sz; struct request_tracker *scsi_lookup; - spinlock_t scsi_lookup_lock; + ulong scsi_lookup_pages; + spinlock_t scsi_lookup_lock; struct list_head free_list; int pending_io_count; wait_queue_head_t reset_wq; @@ -688,7 +689,7 @@ struct MPT2SAS_ADAPTER { u16 max_sges_in_chain_message; u16 chains_needed_per_io; u16 chain_offset_value_for_main_message; - u16 chain_depth; + u32 chain_depth; /* hi-priority queue */ u16 hi_priority_smid; |
