patacongo commented on a change in pull request #4248:
URL: https://github.com/apache/incubator-nuttx/pull/4248#discussion_r680089235
##########
File path: drivers/mtd/mtd_partition.c
##########
@@ -413,6 +413,25 @@ static int part_ioctl(FAR struct mtd_dev_s *dev, int cmd,
unsigned long arg)
}
break;
+ case MTDIOC_PARTINFO:
+ {
+ FAR struct partition_info_s *info =
+ (FAR struct partition_info_s *)arg;
+ if (info != NULL)
+ {
+ info->magic = 0;
+ info->numsectors = priv->neraseblocks * priv->blkpererase;
+ info->length = info->numsectors * priv->blocksize;
+ info->sectorsize = priv->blocksize;
+ info->startsector = priv->firstblock;
+ info->endsector = priv->firstblock + info->numsectors;
+ info->parent = priv->parent->name;
+
+ ret = OK;
+ }
+ }
+ break;
+
Review comment:
One thing that I am not sure that I understand is how to associate a
partition number with a block or MTD driver. In Linux, that might be done with
the minor number of the device like /dev/sdaN where N is the partition number.
But there are no real minor numbers in NuttX although such a convention could
be adopted.
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