c454e46336
Under Linux when rolling back a mounted filesystem negative dentries may not be dropped from the cache. This can result in an ENOENT being incorrectly returned on first access. Issuing a `df` before the unmount results in the negative dentries being invalidated and side steps the issue. This is solely a workaround for the test case on Linux and not correct behavior. The core issue of invalidating negative dentries needs to be handled with a kernel side change. This is being tracked as issue #6143. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: John Kennedy <john.kennedy@delphix.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #12898 Issue #6143 |
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