lsblk: make ID-LINK code more readable

Signed-off-by: Karel Zak <kzak@redhat.com>

misc-utils/lsblk-properties.c

@@ -36,7 +36,7 @@ void lsblk_device_free_properties(struct lsblk_devprop *p)
 	free(p->serial);
 	free(p->model);
 	free(p->partflags);
-	free(p->byid);
+	free(p->idlink);
 
 	free(p->mode);
 	free(p->owner);
@@ -150,8 +150,8 @@ static struct lsblk_devprop *get_properties_by_udev(struct lsblk_device *ld)
 		sz = strlen(name);
 		if (!len || sz < len) {
 			len = sz;
-			free(prop->byid);
-			prop->byid = xstrdup(name);
+			free(prop->idlink);
+			prop->idlink = xstrdup(name);
 		}
 	}
 

misc-utils/lsblk.c

@@ -66,7 +66,7 @@ static int column_id_to_number(int id);
 /* column IDs */
 enum {
 	COL_ALIOFF = 0,
-	COL_BYID,
+	COL_IDLINK,
 	COL_DALIGN,
 	COL_DAX,
 	COL_DGRAN,
@@ -164,7 +164,7 @@ struct colinfo {
 /* columns descriptions */
 static struct colinfo infos[] = {
 	[COL_ALIOFF] = { "ALIGNMENT", 6, SCOLS_FL_RIGHT, N_("alignment offset"), COLTYPE_NUM },
-	[COL_BYID] = { "ID-LINK", 0.1, SCOLS_FL_NOEXTREMES, N_("udev by-id link") },
+	[COL_IDLINK] = { "ID-LINK", 0.1, SCOLS_FL_NOEXTREMES, N_("the shortest udev /dev/disk/by-id link name") },
 	[COL_DALIGN] = { "DISC-ALN", 6, SCOLS_FL_RIGHT, N_("discard alignment offset"), COLTYPE_NUM },
 	[COL_DAX] = { "DAX", 1, SCOLS_FL_RIGHT, N_("dax-capable device"), COLTYPE_BOOL },
 	[COL_DGRAN] = { "DISC-GRAN", 6, SCOLS_FL_RIGHT, N_("discard granularity"), COLTYPE_SIZE },
@@ -929,10 +929,10 @@ static char *device_get_data(
 		if (prop && prop->wwn)
 			str = xstrdup(prop->wwn);
 		break;
-	case COL_BYID:
+	case COL_IDLINK:
 		prop = lsblk_device_get_properties(dev);
-		if (prop && prop->byid)
-			str = xstrdup(prop->byid);
+		if (prop && prop->idlink)
+			str = xstrdup(prop->idlink);
 		break;
 	case COL_RA:
 		ul_path_read_string(dev->sysfs, &str, "queue/read_ahead_kb");

misc-utils/lsblk.h

@@ -75,7 +75,7 @@ struct lsblk_devprop {
 	char *wwn;		/* storage WWN */
 	char *serial;		/* disk serial number */
 	char *model;		/* disk model */
-	char *byid;		/* /dev/disk/by-id/<name> */
+	char *idlink;		/* /dev/disk/by-id/<name> */
 
 	/* lsblk specific (for --sysroot only)  */
 	char *owner;		/* user name */