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Tests passed ✓, Code: 16710 B (+0.2%), Stack: 1448 B (+1.1%), Structs: 788 B (+0.0%)
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…esn't exist move it for whole lookahead size.
This adds the tracing and optional locking for the littlefs API. Also updated to match the code style, and added LFS_READONLY guards where necessary.
- Test that the code actually runs. - Test that lfs_fs_findfreeblocks does not break block allocations. - Test that lfs_fs_findfreeblocks does not error when no space is available, it should only errors when the block is actually needed.
The idea is in the future this function may be extended to support other block janitorial work. In such a case calling this lfs_fs_gc provides a more general name that can include other operations. This is currently just wishful thinking, however.
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Tests passed ✓, Code: 16838 B (+0.2%), Stack: 1448 B (+1.1%), Structs: 800 B (+0.0%)
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Merged
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See #610 for more info, original PR by @opilat.
This API allows users to run the internal block allocator directly, which may allow users to move the expensive block scan out of performance sensitive parts of their codebase.
It should be noted this API does not current persist the results of the block scan on disk, so calling lfs_fs_gc and then remounting does nothing. This may change in the future.