[libvirt] [PATCH 3/9] util: Add one helper virReadFCHost to read the value of fc_host entry

[Michal Privoznik]

On 14.01.2013 15:34, Osier Yang wrote:
> "open_wwn_file" in node_device_linux_sysfs.c is redundant, on one
> hand it duplicates work of virFileReadAll, on the other hand, it's
> waste to use a function for it, as there is no other users of it.
> So I don't see why the file opening work cannot be done in
> "read_wwn_linux".
> 
> "read_wwn_linux" can be abstracted as an util function. As what all
> it does is to read the sysfs entry.
> 
> So this patch removes "open_wwn_file", and abstract "read_wwn_linux"
> as an util function "virReadFCHost" (a more general name, because
> after changes, it can read each of the fc_host entry now).
> 
> * src/util/virutil.h: (Declare virReadFCHost)
> * src/util/virutil.c: (Implement virReadFCHost)
> * src/node_device/node_device_linux_sysfs.c: (Remove open_wwn_file,
>   and read_wwn_linux)
> src/node_device/node_device_driver.h: (Remove the declaration of
>   read_wwn_linux, and the related macros)
> src/libvirt_private.syms: (Export virReadFCHost)
> ---
>  src/libvirt_private.syms                  |    1 +
>  src/node_device/node_device_driver.h      |    4 -
>  src/node_device/node_device_linux_sysfs.c |   92 ++++-------------------------
>  src/util/virutil.c                        |   67 +++++++++++++++++++++
>  src/util/virutil.h                        |    5 ++
>  5 files changed, 85 insertions(+), 84 deletions(-)

ACK

Michal