On Tue, Feb 20, 2018 at 02:26:45PM +0100, Martin Wilck wrote:
> Improve use of "const" qualifiers in libmultipath's devmapper code.
>
Reviewed-by: Benjamin Marzinski <bmarz...@redhat.com>
> Signed-off-by: Martin Wilck <mwi...@suse.com>
> ---
> libmultipath/devmapper.c | 32 ++++++++++++++++----------------
> libmultipath/devmapper.h | 16 ++++++++--------
> 2 files changed, 24 insertions(+), 24 deletions(-)
>
> diff --git a/libmultipath/devmapper.c b/libmultipath/devmapper.c
> index f112e1cb0e66..f61838cbe369 100644
> --- a/libmultipath/devmapper.c
> +++ b/libmultipath/devmapper.c
> @@ -583,7 +583,7 @@ is_mpath_part(const char *part_name, const char *map_name)
> return 0;
> }
>
> -int dm_get_status(char *name, char *outstatus)
> +int dm_get_status(const char *name, char *outstatus)
> {
> int r = 1;
> struct dm_task *dmt;
> @@ -807,7 +807,7 @@ int _dm_flush_map (const char * mapname, int need_sync,
> int deferred_remove,
> if (need_suspend &&
> !dm_get_map(mapname, &mapsize, params) &&
> strstr(params, "queue_if_no_path")) {
> - if (!dm_queue_if_no_path((char *)mapname, 0))
> + if (!dm_queue_if_no_path(mapname, 0))
> queue_if_no_path = 1;
> else
> /* Leave queue_if_no_path alone if unset failed */
> @@ -850,7 +850,7 @@ int _dm_flush_map (const char * mapname, int need_sync,
> int deferred_remove,
> } while (retries-- > 0);
>
> if (queue_if_no_path == 1)
> - dm_queue_if_no_path((char *)mapname, 1);
> + dm_queue_if_no_path(mapname, 1);
>
> return 1;
> }
> @@ -938,7 +938,7 @@ out:
> }
>
> int
> -dm_fail_path(char * mapname, char * path)
> +dm_fail_path(const char * mapname, char * path)
> {
> char message[32];
>
> @@ -949,7 +949,7 @@ dm_fail_path(char * mapname, char * path)
> }
>
> int
> -dm_reinstate_path(char * mapname, char * path)
> +dm_reinstate_path(const char * mapname, char * path)
> {
> char message[32];
>
> @@ -960,7 +960,7 @@ dm_reinstate_path(char * mapname, char * path)
> }
>
> int
> -dm_queue_if_no_path(char *mapname, int enable)
> +dm_queue_if_no_path(const char *mapname, int enable)
> {
> char *message;
>
> @@ -973,7 +973,7 @@ dm_queue_if_no_path(char *mapname, int enable)
> }
>
> static int
> -dm_groupmsg (char * msg, char * mapname, int index)
> +dm_groupmsg (const char * msg, const char * mapname, int index)
> {
> char message[32];
>
> @@ -984,19 +984,19 @@ dm_groupmsg (char * msg, char * mapname, int index)
> }
>
> int
> -dm_switchgroup(char * mapname, int index)
> +dm_switchgroup(const char * mapname, int index)
> {
> return dm_groupmsg("switch", mapname, index);
> }
>
> int
> -dm_enablegroup(char * mapname, int index)
> +dm_enablegroup(const char * mapname, int index)
> {
> return dm_groupmsg("enable", mapname, index);
> }
>
> int
> -dm_disablegroup(char * mapname, int index)
> +dm_disablegroup(const char * mapname, int index)
> {
> return dm_groupmsg("disable", mapname, index);
> }
> @@ -1080,7 +1080,7 @@ out:
> }
>
> int
> -dm_geteventnr (char *name)
> +dm_geteventnr (const char *name)
> {
> struct dm_info info;
>
> @@ -1139,7 +1139,7 @@ dm_mapname(int major, int minor)
>
> map = dm_task_get_name(dmt);
> if (map && strlen(map))
> - response = STRDUP((char *)dm_task_get_name(dmt));
> + response = STRDUP((const char *)dm_task_get_name(dmt));
>
> dm_task_destroy(dmt);
> return response;
> @@ -1264,7 +1264,7 @@ cancel_remove_partmap (const char *name, void *unused)
> }
>
> static int
> -dm_get_deferred_remove (char * mapname)
> +dm_get_deferred_remove (const char * mapname)
> {
> struct dm_info info;
>
> @@ -1412,10 +1412,10 @@ out:
> return r;
> }
>
> -void dm_reassign_deps(char *table, char *dep, char *newdep)
> +void dm_reassign_deps(char *table, const char *dep, const char *newdep)
> {
> - char *p, *n;
> - char *newtable;
> + char *n;
> + const char *p, *newtable;
>
> newtable = strdup(table);
> if (!newtable)
> diff --git a/libmultipath/devmapper.h b/libmultipath/devmapper.h
> index 558e6914074f..8c8ea6c29b27 100644
> --- a/libmultipath/devmapper.h
> +++ b/libmultipath/devmapper.h
> @@ -38,7 +38,7 @@ int dm_addmap_create (struct multipath *mpp, char *params);
> int dm_addmap_reload (struct multipath *mpp, char *params, int flush);
> int dm_map_present (const char *);
> int dm_get_map(const char *, unsigned long long *, char *);
> -int dm_get_status(char *, char *);
> +int dm_get_status(const char *, char *);
> int dm_type(const char *, char *);
> int dm_is_mpath(const char *);
> int _dm_flush_map (const char *, int, int, int, int);
> @@ -49,14 +49,14 @@ int dm_flush_map_nopaths(const char * mapname, int
> deferred_remove);
> _dm_flush_map(mapname, 1, 0, 1, retries)
> int dm_cancel_deferred_remove(struct multipath *mpp);
> int dm_flush_maps (int retries);
> -int dm_fail_path(char * mapname, char * path);
> -int dm_reinstate_path(char * mapname, char * path);
> -int dm_queue_if_no_path(char *mapname, int enable);
> -int dm_switchgroup(char * mapname, int index);
> -int dm_enablegroup(char * mapname, int index);
> -int dm_disablegroup(char * mapname, int index);
> +int dm_fail_path(const char * mapname, char * path);
> +int dm_reinstate_path(const char * mapname, char * path);
> +int dm_queue_if_no_path(const char *mapname, int enable);
> +int dm_switchgroup(const char * mapname, int index);
> +int dm_enablegroup(const char * mapname, int index);
> +int dm_disablegroup(const char * mapname, int index);
> int dm_get_maps (vector mp);
> -int dm_geteventnr (char *name);
> +int dm_geteventnr (const char *name);
> int dm_is_suspended(const char *name);
> int dm_get_major_minor (const char *name, int *major, int *minor);
> char * dm_mapname(int major, int minor);
> --
> 2.16.1
--
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