diff options
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 5 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index fa2b589..0892ee2 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -1190,12 +1190,14 @@ beiscsi_get_wrb_handle(struct hwi_wrb_context *pwrb_context, { struct wrb_handle *pwrb_handle; + spin_lock_bh(&pwrb_context->wrb_lock); pwrb_handle = pwrb_context->pwrb_handle_base[pwrb_context->alloc_index]; pwrb_context->wrb_handles_available--; if (pwrb_context->alloc_index == (wrbs_per_cxn - 1)) pwrb_context->alloc_index = 0; else pwrb_context->alloc_index++; + spin_unlock_bh(&pwrb_context->wrb_lock); return pwrb_handle; } @@ -1227,12 +1229,14 @@ beiscsi_put_wrb_handle(struct hwi_wrb_context *pwrb_context, struct wrb_handle *pwrb_handle, unsigned int wrbs_per_cxn) { + spin_lock_bh(&pwrb_context->wrb_lock); pwrb_context->pwrb_handle_base[pwrb_context->free_index] = pwrb_handle; pwrb_context->wrb_handles_available++; if (pwrb_context->free_index == (wrbs_per_cxn - 1)) pwrb_context->free_index = 0; else pwrb_context->free_index++; + spin_unlock_bh(&pwrb_context->wrb_lock); } /** @@ -2920,6 +2924,7 @@ static int beiscsi_init_wrb_handle(struct beiscsi_hba *phba) } num_cxn_wrbh--; } + spin_lock_init(&pwrb_context->wrb_lock); } idx = 0; for (index = 0; index < phba->params.cxns_per_ctrl; index++) { diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h index 5ded3fa..30a4606 100644 --- a/drivers/scsi/be2iscsi/be_main.h +++ b/drivers/scsi/be2iscsi/be_main.h @@ -304,6 +304,7 @@ struct invalidate_command_table { #define BEISCSI_GET_ULP_FROM_CRI(phwi_ctrlr, cri) \ (phwi_ctrlr->wrb_context[cri].ulp_num) struct hwi_wrb_context { + spinlock_t wrb_lock; struct list_head wrb_handle_list; struct list_head wrb_handle_drvr_list; struct wrb_handle **pwrb_handle_base; |