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fs/reference_count: set default reference count option to n #13519

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fs/reference_count: set default reference count option to n #13519

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Commits on Oct 21, 2024

  1. fs/reference_count: set default reference count option to n 

    Most of developers will not have the scenarios of open/close file descriptors in multi-threads,
The default option will incur additional code size overhead for such devices.
this PR will preserve the behavior before PR#13296 was introduced, and ensure that the default code size is not affected.

Note that this option will ensure the safety of access to the file
system from multi-tasks (Task A blocking rw(fd), then Task B close(fd)),
the disadvantage is that it will increase the amount of code-size,
there is no need to enable this option if the application could ensure
he file operations are safe.

Signed-off-by: chao an <[email protected]>
    @anchao
    anchao committed Oct 21, 2024
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