From mboxrd@z Thu Jan 1 00:00:00 1970 From: "ira.weiny" Subject: Re: [infiniband-diags PATCH 1/2] rdma-ndd: never use udev_get_sys_path() Date: Tue, 14 Jul 2015 11:44:12 -0400 Message-ID: <20150714154412.GA27566@phlsvsds.ph.intel.com> References: <1435241522-7721-1-git-send-email-mschmidt@redhat.com> <1435241522-7721-2-git-send-email-mschmidt@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1435241522-7721-2-git-send-email-mschmidt-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Michal Schmidt Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org On Thu, Jun 25, 2015 at 04:12:01PM +0200, Michal Schmidt wrote: > The function was deprecated and later dropped by udev entirely > because it was pointless. > Quoting kernel's Documentation/sysfs-rules.txt: > sysfs is always at /sys > Parsing /proc/mounts is a waste of time. Other mount points are > a system configuration bug you should not try to solve. [...] > > Signed-off-by: Michal Schmidt Thanks applied, Ira > --- > configure.ac | 1 - > src/rdma-ndd.c | 19 +++++-------------- > 2 files changed, 5 insertions(+), 15 deletions(-) > > diff --git a/configure.ac b/configure.ac > index b9b7ad84ee..ece1d530a7 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -214,7 +214,6 @@ if test x$rdmandd = xyes; then > AC_CHECK_HEADER(libudev.h, with_udev="yes", with_udev="no") > AC_CHECK_LIB(udev, udev_monitor_ref, [], AC_MSG_ERROR(libudev is required for rdma-ndd...)) > AC_CONFIG_FILES([doc/man/rdma-ndd.8 etc/rdma-ndd.init]) > - AC_CHECK_FUNCS_ONCE(udev_get_sys_path) > fi > > dnl Generate doc/man/*.in files if possible > diff --git a/src/rdma-ndd.c b/src/rdma-ndd.c > index 194c2cd865..d40e7567db 100644 > --- a/src/rdma-ndd.c > +++ b/src/rdma-ndd.c > @@ -58,9 +58,7 @@ struct udev_monitor *mon; > #include "ibdiag_common.h" > > #define SYS_HOSTNAME "/proc/sys/kernel/hostname" > -#define DEF_SYS_DIR "/sys" > -char *sys_dir = DEF_SYS_DIR; > -#define SYS_INFINIBAND "class/infiniband" > +#define SYS_INFINIBAND "/sys/class/infiniband" > #define DEFAULT_RETRY_RATE 60 > #define DEFAULT_RETRY_COUNT 0 > #define DEFAULT_ND_FORMAT "%h %d" > @@ -122,8 +120,8 @@ static int update_node_desc(const char *device, const char *hostname, int force) > char nd_file[PATH_MAX]; > FILE *f; > > - snprintf(nd_file, sizeof(nd_file), "%s/%s/%s/node_desc", > - sys_dir, SYS_INFINIBAND, device); > + snprintf(nd_file, sizeof(nd_file), SYS_INFINIBAND "/%s/node_desc", > + device); > nd_file[sizeof(nd_file)-1] = '\0'; > > f = fopen(nd_file, "r+"); > @@ -160,14 +158,10 @@ static int set_rdma_node_desc(const char *hostname, int force) > { > DIR *class_dir; > struct dirent *dent; > - char dev_dir[PATH_MAX]; > > - snprintf(dev_dir, sizeof(dev_dir), "%s/%s", sys_dir, SYS_INFINIBAND); > - dev_dir[sizeof(dev_dir)-1] = '\0'; > - > - class_dir = opendir(dev_dir); > + class_dir = opendir(SYS_INFINIBAND); > if (!class_dir) { > - syslog(LOG_INFO, "Failed to open %s", dev_dir); > + syslog(LOG_INFO, "Failed to open " SYS_INFINIBAND); > return -ENOSYS; > } > > @@ -261,9 +255,6 @@ static void setup_udev(void) > > udev_set_log_fn(udev, udev_log_fn); > udev_set_log_priority(udev, LOG_INFO); > -#if HAVE_UDEV_GET_SYS_PATH > - sys_dir = (char *)udev_get_sys_path(udev); > -#endif > } > > static int get_udev_fd(void) > -- > 2.4.3 > -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html