[SCSI] mpt fusion: make logging a global sysfs parameter
Wire up the mpt_debug_level module parameter so you can write to the
/sys/module/mptbase/parameters/mpt_debug_level and have it take effect
in every ioc.
Acked-by: "Moore, Eric" <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index e866dacd..414c109 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -88,7 +88,9 @@
MODULE_PARM_DESC(mpt_channel_mapping, " Mapping id's to channels (default=0)");
static int mpt_debug_level;
-module_param(mpt_debug_level, int, 0);
+static int mpt_set_debug_level(const char *val, struct kernel_param *kp);
+module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int,
+ &mpt_debug_level, 0600);
MODULE_PARM_DESC(mpt_debug_level, " debug level - refer to mptdebug.h - (default=0)");
#ifdef MFCNT
@@ -220,6 +222,19 @@
pci_write_config_word(pdev, PCI_COMMAND, command_reg);
}
+static int mpt_set_debug_level(const char *val, struct kernel_param *kp)
+{
+ int ret = param_set_int(val, kp);
+ MPT_ADAPTER *ioc;
+
+ if (ret)
+ return ret;
+
+ list_for_each_entry(ioc, &ioc_list, list)
+ ioc->debug_level = mpt_debug_level;
+ return 0;
+}
+
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