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path: root/drivers/s390/scsi/zfcp_aux.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_aux.c')
-rw-r--r--drivers/s390/scsi/zfcp_aux.c60
1 files changed, 18 insertions, 42 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 95b92f317b6f..395cfc6a344f 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -829,18 +829,6 @@ zfcp_unit_dequeue(struct zfcp_unit *unit)
829 device_unregister(&unit->sysfs_device); 829 device_unregister(&unit->sysfs_device);
830} 830}
831 831
832static void *
833zfcp_mempool_alloc(gfp_t gfp_mask, void *size)
834{
835 return kmalloc((size_t) size, gfp_mask);
836}
837
838static void
839zfcp_mempool_free(void *element, void *size)
840{
841 kfree(element);
842}
843
844/* 832/*
845 * Allocates a combined QTCB/fsf_req buffer for erp actions and fcp/SCSI 833 * Allocates a combined QTCB/fsf_req buffer for erp actions and fcp/SCSI
846 * commands. 834 * commands.
@@ -853,51 +841,39 @@ static int
853zfcp_allocate_low_mem_buffers(struct zfcp_adapter *adapter) 841zfcp_allocate_low_mem_buffers(struct zfcp_adapter *adapter)
854{ 842{
855 adapter->pool.fsf_req_erp = 843 adapter->pool.fsf_req_erp =
856 mempool_create(ZFCP_POOL_FSF_REQ_ERP_NR, 844 mempool_create_kmalloc_pool(ZFCP_POOL_FSF_REQ_ERP_NR,
857 zfcp_mempool_alloc, zfcp_mempool_free, (void *) 845 sizeof(struct zfcp_fsf_req_pool_element));
858 sizeof(struct zfcp_fsf_req_pool_element)); 846 if (!adapter->pool.fsf_req_erp)
859
860 if (NULL == adapter->pool.fsf_req_erp)
861 return -ENOMEM; 847 return -ENOMEM;
862 848
863 adapter->pool.fsf_req_scsi = 849 adapter->pool.fsf_req_scsi =
864 mempool_create(ZFCP_POOL_FSF_REQ_SCSI_NR, 850 mempool_create_kmalloc_pool(ZFCP_POOL_FSF_REQ_SCSI_NR,
865 zfcp_mempool_alloc, zfcp_mempool_free, (void *) 851 sizeof(struct zfcp_fsf_req_pool_element));
866 sizeof(struct zfcp_fsf_req_pool_element)); 852 if (!adapter->pool.fsf_req_scsi)
867
868 if (NULL == adapter->pool.fsf_req_scsi)
869 return -ENOMEM; 853 return -ENOMEM;
870 854
871 adapter->pool.fsf_req_abort = 855 adapter->pool.fsf_req_abort =
872 mempool_create(ZFCP_POOL_FSF_REQ_ABORT_NR, 856 mempool_create_kmalloc_pool(ZFCP_POOL_FSF_REQ_ABORT_NR,
873 zfcp_mempool_alloc, zfcp_mempool_free, (void *) 857 sizeof(struct zfcp_fsf_req_pool_element));
874 sizeof(struct zfcp_fsf_req_pool_element)); 858 if (!adapter->pool.fsf_req_abort)
875
876 if (NULL == adapter->pool.fsf_req_abort)
877 return -ENOMEM; 859 return -ENOMEM;
878 860
879 adapter->pool.fsf_req_status_read = 861 adapter->pool.fsf_req_status_read =
880 mempool_create(ZFCP_POOL_STATUS_READ_NR, 862 mempool_create_kmalloc_pool(ZFCP_POOL_STATUS_READ_NR,
881 zfcp_mempool_alloc, zfcp_mempool_free, 863 sizeof(struct zfcp_fsf_req));
882 (void *) sizeof(struct zfcp_fsf_req)); 864 if (!adapter->pool.fsf_req_status_read)
883
884 if (NULL == adapter->pool.fsf_req_status_read)
885 return -ENOMEM; 865 return -ENOMEM;
886 866
887 adapter->pool.data_status_read = 867 adapter->pool.data_status_read =
888 mempool_create(ZFCP_POOL_STATUS_READ_NR, 868 mempool_create_kmalloc_pool(ZFCP_POOL_STATUS_READ_NR,
889 zfcp_mempool_alloc, zfcp_mempool_free, 869 sizeof(struct fsf_status_read_buffer));
890 (void *) sizeof(struct fsf_status_read_buffer)); 870 if (!adapter->pool.data_status_read)
891
892 if (NULL == adapter->pool.data_status_read)
893 return -ENOMEM; 871 return -ENOMEM;
894 872
895 adapter->pool.data_gid_pn = 873 adapter->pool.data_gid_pn =
896 mempool_create(ZFCP_POOL_DATA_GID_PN_NR, 874 mempool_create_kmalloc_pool(ZFCP_POOL_DATA_GID_PN_NR,
897 zfcp_mempool_alloc, zfcp_mempool_free, (void *) 875 sizeof(struct zfcp_gid_pn_data));
898 sizeof(struct zfcp_gid_pn_data)); 876 if (!adapter->pool.data_gid_pn)
899
900 if (NULL == adapter->pool.data_gid_pn)
901 return -ENOMEM; 877 return -ENOMEM;
902 878
903 return 0; 879 return 0;