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81 lines
2.6 KiB
81 lines
2.6 KiB
Subject: /sys/class/scsi_host/hostX/config doesn't show any information
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From: Linda Xie <lxiep@us.ibm.com>
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References: 439970 - LTC49349
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Patch-mainline: not yet
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This patch changes the size of the buffer used for transfering config
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data to 4K. It was tested against 2.6.19-rc2 tree.
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Signed-off-by: lxie@us.ibm.com
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Signed-off-by: Olaf Hering <olh@suse.de>
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---
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drivers/scsi/ibmvscsi/ibmvscsi.c | 14 ++++++++------
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1 file changed, 8 insertions(+), 6 deletions(-)
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--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
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+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
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@@ -99,6 +99,8 @@ static int max_requests = IBMVSCSI_MAX_R
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static int max_events = IBMVSCSI_MAX_REQUESTS_DEFAULT + 2;
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static int fast_fail = 1;
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static int client_reserve = 1;
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+/*host data buffer size*/
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+#define buff_size 4096
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static struct scsi_transport_template *ibmvscsi_transport_template;
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@@ -1667,7 +1669,7 @@ static ssize_t show_host_srp_version(str
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struct ibmvscsi_host_data *hostdata = shost_priv(shost);
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int len;
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- len = snprintf(buf, PAGE_SIZE, "%s\n",
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+ len = snprintf(buf, buff_size, "%s\n",
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hostdata->madapter_info.srp_version);
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return len;
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}
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@@ -1688,7 +1690,7 @@ static ssize_t show_host_partition_name(
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struct ibmvscsi_host_data *hostdata = shost_priv(shost);
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int len;
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- len = snprintf(buf, PAGE_SIZE, "%s\n",
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+ len = snprintf(buf, buff_size, "%s\n",
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hostdata->madapter_info.partition_name);
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return len;
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}
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@@ -1709,7 +1711,7 @@ static ssize_t show_host_partition_numbe
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struct ibmvscsi_host_data *hostdata = shost_priv(shost);
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int len;
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- len = snprintf(buf, PAGE_SIZE, "%d\n",
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+ len = snprintf(buf, buff_size, "%d\n",
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hostdata->madapter_info.partition_number);
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return len;
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}
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@@ -1729,7 +1731,7 @@ static ssize_t show_host_mad_version(str
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struct ibmvscsi_host_data *hostdata = shost_priv(shost);
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int len;
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- len = snprintf(buf, PAGE_SIZE, "%d\n",
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+ len = snprintf(buf, buff_size, "%d\n",
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hostdata->madapter_info.mad_version);
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return len;
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}
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@@ -1749,7 +1751,7 @@ static ssize_t show_host_os_type(struct
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struct ibmvscsi_host_data *hostdata = shost_priv(shost);
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int len;
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- len = snprintf(buf, PAGE_SIZE, "%d\n", hostdata->madapter_info.os_type);
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+ len = snprintf(buf, buff_size, "%d\n", hostdata->madapter_info.os_type);
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return len;
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}
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@@ -1768,7 +1770,7 @@ static ssize_t show_host_config(struct d
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struct ibmvscsi_host_data *hostdata = shost_priv(shost);
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/* returns null-terminated host config data */
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- if (ibmvscsi_do_host_config(hostdata, buf, PAGE_SIZE) == 0)
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+ if (ibmvscsi_do_host_config(hostdata, buf, buff_size) == 0)
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return strlen(buf);
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else
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return 0;
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