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IB/iser: Remove redundant cmd_data_len calculation 

This code was added before we had protection data length
calculation (in iser_send_command), so we needed to calc
the sg data length from the sg itself. This is not needed
anymore.

This patch does not change any functionality.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Adir Lev <adirl@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Sagi Grimberg 2015-04-14 18:08:14 +03:00 committed by Doug Ledford
parent a065fe6aa2
commit ecc3993a2a
1 changed files with 1 additions and 4 deletions
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5
drivers/infiniband/ulp/iser/iser_memory.c
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@ -53,12 +53,9 @@ static int iser_start_rdma_unaligned_sg(struct iscsi_iser_task *iser_task,
struct scatterlist *sgl = (struct scatterlist *)data->buf;
struct scatterlist *sg;
char *mem = NULL;
unsigned long cmd_data_len = 0;
unsigned long cmd_data_len = data->data_len;
int dma_nents, i;
for_each_sg(sgl, sg, data->size, i)
cmd_data_len += ib_sg_dma_len(dev, sg);
if (cmd_data_len > ISER_KMALLOC_THRESHOLD)
mem = (void *)__get_free_pages(GFP_ATOMIC,
ilog2(roundup_pow_of_two(cmd_data_len)) - PAGE_SHIFT);