Every native save reported SAVE_DATA_BLOCKS_MAX blocks, all of them free,
in the sceSaveDataDirNameSearch infos and in sceSaveDataGetMountInfo,
whatever the title created it with and whatever its files held. A save's
size is now the blocks of the sceSaveDataMount3 call that created it,
kept beside the save; a save without a kept size takes that of its next
mount that names one, and otherwise keeps SAVE_DATA_BLOCKS_MAX. Free
blocks are what the save's files leave of it, each file rounded up to
32 KiB blocks, and the blocks and free-blocks sort keys use both.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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