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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: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig 2018-12-12 08:41:24 +01:00 committed by Martin K. Petersen
parent e09c142891
commit 1d978c336a
2 changed files with 0 additions and 26 deletions
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18
drivers/scsi/gdth.c
View File

@ -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);
}
}

8
drivers/scsi/gdth_proc.c
View File

@ -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));