Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ea1bffa4 authored by Liang Zhen's avatar Liang Zhen Committed by Greg Kroah-Hartman
Browse files

staging: lustre: libcfs: add debugging info for libcfs_ioctl 



Added some lustre debugging to track down potential future
bugs.

Signed-off-by: default avatarLiang Zhen <liang.zhen@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5435
Reviewed-on: http://review.whamcloud.com/11313


Reviewed-by: default avatarBobi Jam <bobijam@gmail.com>
Reviewed-by: default avatarJohann Lombardi <johann.lombardi@intel.com>
Reviewed-by: default avatarOleg Drokin <oleg.drokin@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent db469aa8

drivers/staging/lustre/lnet/libcfs/module.c

+5 −1
Original line number Diff line number Diff line
@@ -121,8 +121,11 @@ static int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd, 


	/* 'cmd' and permissions get checked in our arch-specific caller */

	err = libcfs_ioctl_getdata(&hdr, arg);

	if (err)

	if (err) {

		CDEBUG_LIMIT(D_ERROR,

			     "libcfs ioctl: data header error %d\n", err);

		return err;

	}



	/*

	 * The libcfs_ioctl_data_adjust() function performs adjustment
@@ -137,6 +140,7 @@ static int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd, 
			goto out;

	}



	CDEBUG(D_IOCTL, "libcfs ioctl cmd %lu\n", cmd);

	switch (cmd) {

	case IOC_LIBCFS_CLEAR_DEBUG:

		libcfs_debug_clear_buffer();