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libfc: Add runtime debugging with debug_logging module parameter

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This patch adds the /sys/module/libfc/parameters/debug_logging
file to sysfs as a module parameter. It accepts an integer
bitmask for logging. Currently it supports:

   bit
LSB 0 = general libfc debugging
    1 = lport debugging
    2 = disc debugging
    3 = rport debugging
    4 = fcp debugging
    5 = EM debugging
    6 = exch/seq debugging
    7 = scsi logging (mostly error handling)

the other bits are not used at this time.

The patch converts all of the libfc source files to use
these new macros and removes the old FC_DBG macro.

Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Robert Love 2009-06-10 15:31:10 -07:00 • committed by James Bottomley
parent 650bd12b9e
commit 7414705ea4
7 changed files with 300 additions and 291 deletions
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2
include/scsi/fc_encode.h
View file

@ -107,7 +107,6 @@ static inline int fc_ct_fill(struct fc_lport *lport, struct fc_frame *fp,
break;
default:
FC_DBG("Invalid op code %x \n", op);
return -EINVAL;
}
*r_ctl = FC_RCTL_DD_UNSOL_CTL;
@ -298,7 +297,6 @@ static inline int fc_els_fill(struct fc_lport *lport, struct fc_rport *rport,
break;
default:
FC_DBG("Invalid op code %x \n", op);
return -EINVAL;
}