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

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/11313Reviewed-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
...@@ -121,8 +121,11 @@ static int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd, ...@@ -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 */ /* 'cmd' and permissions get checked in our arch-specific caller */
err = libcfs_ioctl_getdata(&hdr, arg); err = libcfs_ioctl_getdata(&hdr, arg);
if (err) if (err) {
CDEBUG_LIMIT(D_ERROR,
"libcfs ioctl: data header error %d\n", err);
return err; return err;
}
/* /*
* The libcfs_ioctl_data_adjust() function performs adjustment * The libcfs_ioctl_data_adjust() function performs adjustment
...@@ -137,6 +140,7 @@ static int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd, ...@@ -137,6 +140,7 @@ static int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd,
goto out; goto out;
} }
CDEBUG(D_IOCTL, "libcfs ioctl cmd %lu\n", cmd);
switch (cmd) { switch (cmd) {
case IOC_LIBCFS_CLEAR_DEBUG: case IOC_LIBCFS_CLEAR_DEBUG:
libcfs_debug_clear_buffer(); libcfs_debug_clear_buffer();
......
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