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sbp2: log number of supported concurrent logins 

Since this is useful information, promote it from a debug macro to
a regular log message.  The message appears only if the user set
exclusive_login=0, therefore won't clutter the logs in normal use.
Also update the comment on exclusive_login.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
hifive-unleashed-5.1
Ben Collins 2006-06-12 18:13:11 -04:00
parent fe42b05a99
commit 20f4578156
1 changed files with 8 additions and 8 deletions
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16
drivers/ieee1394/sbp2.c
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@ -127,10 +127,12 @@ MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = "
* talking to a single sbp2 device at the same time (filesystem coherency,
* etc.). If you're running an sbp2 device that supports multiple logins,
* and you're either running read-only filesystems or some sort of special
* filesystem supporting multiple hosts (one such filesystem is OpenGFS,
* see opengfs.sourceforge.net for more info), then set exclusive_login
* to zero. Note: The Oxsemi OXFW911 sbp2 chipset supports up to four
* concurrent logins.
* filesystem supporting multiple hosts, e.g. OpenGFS, Oracle Cluster
* File System, or Lustre, then set exclusive_login to zero.
*
* So far only bridges from Oxford Semiconductor are known to support
* concurrent logins. Depending on firmware, four or two concurrent logins
* are possible on OXFW911 and newer Oxsemi bridges.
*/
static int exclusive_login = 1;
module_param(exclusive_login, int, 0644);
@ -1214,13 +1216,11 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id)
SBP2_DEBUG("length_max_logins = %x",
(unsigned int)scsi_id->query_logins_response->length_max_logins);
SBP2_DEBUG("Query logins to SBP-2 device successful");
max_logins = RESPONSE_GET_MAX_LOGINS(scsi_id->query_logins_response->length_max_logins);
SBP2_DEBUG("Maximum concurrent logins supported: %d", max_logins);
SBP2_INFO("Maximum concurrent logins supported: %d", max_logins);
active_logins = RESPONSE_GET_ACTIVE_LOGINS(scsi_id->query_logins_response->length_max_logins);
SBP2_DEBUG("Number of active logins: %d", active_logins);
SBP2_INFO("Number of active logins: %d", active_logins);
if (active_logins >= max_logins) {
return -EIO;