Commit 1d978c33 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Martin K. Petersen
Browse files

scsi: gdth: remove dead dma statistics code 



This code can't be built into the kernel without editing the source
file and is not generally useful.

[mkp: typo]

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent e09c1428

drivers/scsi/gdth.c

+0 −18
Original line number Diff line number Diff line
@@ -2126,12 +2126,6 @@ static int gdth_fill_cache_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp, 
                cmdp->u.cache64.sg_canz = sgcnt;

                scsi_for_each_sg(scp, sl, sgcnt, i) {

                    cmdp->u.cache64.sg_lst[i].sg_ptr = sg_dma_address(sl);

#ifdef GDTH_DMA_STATISTICS

                    if (cmdp->u.cache64.sg_lst[i].sg_ptr > (u64)0xffffffff)

                        ha->dma64_cnt++;

                    else

                        ha->dma32_cnt++;

#endif

                    cmdp->u.cache64.sg_lst[i].sg_len = sg_dma_len(sl);

                }

            } else {
@@ -2141,9 +2135,6 @@ static int gdth_fill_cache_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp, 
                cmdp->u.cache.sg_canz = sgcnt;

                scsi_for_each_sg(scp, sl, sgcnt, i) {

                    cmdp->u.cache.sg_lst[i].sg_ptr = sg_dma_address(sl);

#ifdef GDTH_DMA_STATISTICS

                    ha->dma32_cnt++;

#endif

                    cmdp->u.cache.sg_lst[i].sg_len = sg_dma_len(sl);

                }

            }
@@ -2298,12 +2289,6 @@ static int gdth_fill_raw_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp, u8 b) 
                cmdp->u.raw64.sg_ranz = sgcnt;

                scsi_for_each_sg(scp, sl, sgcnt, i) {

                    cmdp->u.raw64.sg_lst[i].sg_ptr = sg_dma_address(sl);

#ifdef GDTH_DMA_STATISTICS

                    if (cmdp->u.raw64.sg_lst[i].sg_ptr > (u64)0xffffffff)

                        ha->dma64_cnt++;

                    else

                        ha->dma32_cnt++;

#endif

                    cmdp->u.raw64.sg_lst[i].sg_len = sg_dma_len(sl);

                }

            } else {
@@ -2313,9 +2298,6 @@ static int gdth_fill_raw_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp, u8 b) 
                cmdp->u.raw.sg_ranz = sgcnt;

                scsi_for_each_sg(scp, sl, sgcnt, i) {

                    cmdp->u.raw.sg_lst[i].sg_ptr = sg_dma_address(sl);

#ifdef GDTH_DMA_STATISTICS

                    ha->dma32_cnt++;

#endif

                    cmdp->u.raw.sg_lst[i].sg_len = sg_dma_len(sl);

                }

            }

drivers/scsi/gdth_proc.c

+0 −8
Original line number Diff line number Diff line
@@ -229,14 +229,6 @@ int gdth_show_info(struct seq_file *m, struct Scsi_Host *host) 
                       " Serial No.:   \t0x%8X\tCache RAM size:\t%d KB\n",

                       ha->binfo.ser_no, ha->binfo.memsize / 1024);



#ifdef GDTH_DMA_STATISTICS

    /* controller statistics */

    seq_puts(m, "\nController Statistics:\n");

    seq_printf(m,

                   " 32-bit DMA buffer:\t%lu\t64-bit DMA buffer:\t%lu\n",

                   ha->dma32_cnt, ha->dma64_cnt);

#endif



    if (ha->more_proc) {

        size_t size = max_t(size_t, GDTH_SCRATCH, sizeof(gdth_hget_str));

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