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nbd-client: Exit with error code other than EXIT_FAILURE #171

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nbd-client: Exit with error code other than EXIT_FAILURE #171

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Commits on Sep 29, 2024

  1. nbd-client: Exit with error code other than EXIT_FAILURE 

    When nbd-client tries to connect to nbd device, it talks to kernel
via netlink. If the nbd device is taken and locked by other process
like systemd-udevd, kernel will return EBUSY to nbd client. However,
nbd client just hide this error code with error message to check
dmesg logs.

Checking the dmesg logs is error-prone and not friendly for other
caller program. Instead, nbd-client should return the error code
to the caller to handle it properly.

Signed-off-by: Lin Liu <[email protected]>
    @liulinC
    liulinC committed Sep 29, 2024
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