[PATCH v1 4/8] kho: do not modify incoming serialized blocks

[sashiko-bot at kernel.org]

> When restoring an incoming block set via kho_block_set_restore(), the
> physical chain of blocks is already linked and bs->head_pa is already
> set. However, kho_block_add() unconditionally rewrites last->ser->next
> and bs->head_pa, and kho_block_set_shrink_one() clears
> new_last->ser->next even when operating on an incoming block set.
> 
> In the upcoming KHO read-only mode, incoming serialized blocks are
> mapped read-only and must not be modified. Guard the ser->next and
> bs->head_pa updates in kho_block_add() and kho_block_set_shrink_one()
> with !bs->incoming.
> 
> Signed-off-by: Pasha Tatashin <pasha.tatashin at soleen.com>

Sashiko has reviewed this patch and found no issues.

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Sashiko AI review · https://sashiko.dev/#/patchset/20261019021111.990394-1-pasha.tatashin@soleen.com?part=4