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[SCSI] be2iscsi: Fixing memory allocation for connection

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This patch fixes some situations where enough resources were not
avaialable  when targets exceeded a certain limit

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Jayamohan Kallickal 2010-02-20 08:05:07 +05:30 committed by James Bottomley
parent 90a289e876
commit ed58ea2ab5
2 changed files with 3 additions and 5 deletions
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4
drivers/scsi/be2iscsi/be_main.c
View File

@ -359,7 +359,7 @@ static void beiscsi_get_params(struct beiscsi_hba *phba)
+ BE2_TMFS + BE2_TMFS
+ BE2_NOPOUT_REQ)); + BE2_NOPOUT_REQ));
phba->params.cxns_per_ctrl = phba->fw_config.iscsi_cid_count; phba->params.cxns_per_ctrl = phba->fw_config.iscsi_cid_count;
phba->params.asyncpdus_per_ctrl = phba->fw_config.iscsi_cid_count;; phba->params.asyncpdus_per_ctrl = phba->fw_config.iscsi_cid_count * 2;
phba->params.icds_per_ctrl = phba->fw_config.iscsi_icd_count;; phba->params.icds_per_ctrl = phba->fw_config.iscsi_icd_count;;
phba->params.num_sge_per_io = BE2_SGE; phba->params.num_sge_per_io = BE2_SGE;
phba->params.defpdu_hdr_sz = BE2_DEFPDU_HDR_SZ; phba->params.defpdu_hdr_sz = BE2_DEFPDU_HDR_SZ;
@ -2169,7 +2169,7 @@ static void beiscsi_init_wrb_handle(struct beiscsi_hba *phba)
num_cxn_wrb = (mem_descr_wrb->mem_array[idx].size) / num_cxn_wrb = (mem_descr_wrb->mem_array[idx].size) /
((sizeof(struct iscsi_wrb) * ((sizeof(struct iscsi_wrb) *
phba->params.wrbs_per_cxn)); phba->params.wrbs_per_cxn));
for (index = 0; index < phba->params.cxns_per_ctrl; index += 2) { for (index = 0; index < phba->params.cxns_per_ctrl * 2; index += 2) {
pwrb_context = &phwi_ctrlr->wrb_context[index]; pwrb_context = &phwi_ctrlr->wrb_context[index];
if (num_cxn_wrb) { if (num_cxn_wrb) {
for (j = 0; j < phba->params.wrbs_per_cxn; j++) { for (j = 0; j < phba->params.wrbs_per_cxn; j++) {

4
drivers/scsi/be2iscsi/be_main.h
View File

@ -498,8 +498,6 @@ struct hwi_async_entry {
struct list_head data_busy_list; struct list_head data_busy_list;
}; };
#define BE_MIN_ASYNC_ENTRIES 128
struct hwi_async_pdu_context { struct hwi_async_pdu_context {
struct { struct {
struct be_bus_address pa_base; struct be_bus_address pa_base;
@ -540,7 +538,7 @@ struct hwi_async_pdu_context {
* This is a varying size list! Do not add anything * This is a varying size list! Do not add anything
* after this entry!! * after this entry!!
*/ */
struct hwi_async_entry async_entry[BE_MIN_ASYNC_ENTRIES]; struct hwi_async_entry async_entry[BE2_MAX_SESSIONS * 2];
}; };
#define PDUCQE_CODE_MASK 0x0000003F #define PDUCQE_CODE_MASK 0x0000003F