Re: [v4,2/2] mtd: rework partitions handling

[Boris Brezillon <bbrezillon@xxxxxxxxxx>]

On Tue, 2019-01-22 at 11:41:34 UTC, Miquel Raynal wrote:
> Instead of collecting partitions in a flat list, create a hierarchy
> within the mtd_info structure: use a partitions list to keep track of
> the partitions of an MTD device (which might be itself a partition of
> another MTD device), a pointer to the parent device (NULL when the MTD
> device is the root one, not a partition).
> 
> By also saving directly in mtd_info the offset of the partition, we
> can get rid of an external mtd_part structure. However the mtd_info
> structure now features a union of mtd_master_properties and
> mtd_part_properties, which host respectively the master or the
> partitions properties.
> 
> All part_*() helpers are removed, the corresponding mtd_*() helpers
> are updated to handle the partitions themselves.
> 
> The part_absolute_offset() helper is also replaced by
> mtd_get_master_offset() which is very similar but not recursive and
> accepts an additional offset. Plus, it is used in both mtdcore and
> mtdpart.
> 
> While at it, try to be more explicit with the mtd_info structure
> naming:
> * we usually use 'mtd'
> * however when there is a relationship between two mtd_info
>   structures, one (or both) might be called parent/child,
> * master always refers to the 'root' device.
> 
> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>

Applied to http://git.infradead.org/linux-mtd.git mtd/next, thanks.

Boris

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