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authorKashyap, Desai <kashyap.desai@lsi.com>2010-03-17 16:22:52 +0530
committerJames Bottomley <James.Bottomley@suse.de>2010-04-11 09:23:56 -0500
commit89009fbb7d2df37536c8dc932fdead4189783f92 (patch)
tree12625e1d4dd6017ce3fc18db1b8c9659a1917661 /drivers/scsi/mpt2sas/mpt2sas_base.h
parentf891dcfdc11d2004253861f51d627bfda6773c76 (diff)
[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.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 142b694c9de5..cdedfcbb8ca7 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;