[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>
This commit is contained in:
James Bottomley 2007-07-28 13:40:21 -04:00 committed by James Bottomley
parent 15617ff66c
commit db47c2d8d9

View file

@ -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;
}
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