From: Liang Zhen <liang.zhen@xxxxxxxxx> Added some lustre debugging to track down potential future bugs. Signed-off-by: Liang Zhen <liang.zhen@xxxxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5435 Reviewed-on: http://review.whamcloud.com/11313 Reviewed-by: Bobi Jam <bobijam@xxxxxxxxx> Reviewed-by: Johann Lombardi <johann.lombardi@xxxxxxxxx> Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx> --- drivers/staging/lustre/lnet/libcfs/module.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/staging/lustre/lnet/libcfs/module.c b/drivers/staging/lustre/lnet/libcfs/module.c index 8beb954..b7575af 100644 --- a/drivers/staging/lustre/lnet/libcfs/module.c +++ b/drivers/staging/lustre/lnet/libcfs/module.c @@ -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(); -- 1.7.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
