提交 db47c2d8 编写于 作者: J James Bottomley 提交者: James Bottomley

[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: N"Moore, Eric" <Eric.Moore@lsi.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
上级 15617ff6
......@@ -88,7 +88,9 @@ module_param(mpt_channel_mapping, int, 0);
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_enable_io_access(struct pci_dev *pdev)
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;
}
/*
* Process turbo (context) reply...
*/
......
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