[SCSI] Improve SCSI_LOGGING Kconfig entry (5ef07416) · Commits · 戴 / test

The Kconfig entry for SCSI_LOGGING refers the reader to drivers/scsi/scsi.c, but I didn't find any useful information there. There is certainly logging code in that file, but the logging types and logging levels are described in drivers/scsi/scsi_logging.h. Also, the procfs file referred to in the section is incorrect. It should be /proc/sys/dev/scsi/logging_level and not /proc/scsi/scsi. Signed-off-by:

Robert Love <robert.w.love@intel.com> Signed-off-by:

James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/Kconfig

+7 −6

Original line number	Diff line number	Diff line
		@@ -224,14 +224,15 @@ config SCSI_LOGGING
		can enable logging by saying Y to "/proc file system support" and
		"Sysctl support" below and executing the command

		echo "scsi log token [level]" > /proc/scsi/scsi
		echo <bitmask> > /proc/sys/dev/scsi/logging_level

		at boot time after the /proc file system has been mounted.
		where <bitmask> is a four byte value representing the logging type
		and logging level for each type of logging selected.

		There are a number of things that can be used for 'token' (you can
		find them in the source: <file:drivers/scsi/scsi.c>), and this
		allows you to select the types of information you want, and the
		level allows you to select the level of verbosity.
		There are a number of logging types and you can find them in the
		source at <file:drivers/scsi/scsi_logging.h>. The logging levels
		are also described in that file and they determine the verbosity of
		the logging for each logging type.

		If you say N here, it may be harder to track down some types of SCSI
		problems. If you say Y here your kernel will be somewhat larger, but

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