e191b60ddc
It is a common mistake to have failed to autoload the module due to permission issues when running a ZFS command as a user. "Operation not permitted" is an unhelpfully vague error message. Use a thread-local message buffer to format a nicer error message. We can infer that loading the kernel module failed if the module is not loaded. This can be extended with heuristics for other errors in the future. While looking at this stuff, remove an unused thread-local message buffer found in libspl and remove some inaccurate verbiage from the comment on libzfs_load_module. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #11033 |
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