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Linux 6.12: fuse: bound the attribute timeout of an inode a DLM lock was taken on - #269
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Under DLM the server's attr_valid can keep the attributes of a locked inode valid indefinitely. Once a DLM lock was taken on an inode, cap its i_time to dlm_attr_timeout seconds so a GETATTR goes out at most that long after the lock. The first attribute reply from the server after the lock ends the bound; a reply to a request sent before it is discarded by bumping attr_version. Default 30s, module parameter, 0 keeps the server's timeout. Signed-off-by: Horst Birthelmer <hbirthelmer@ddn.com>
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Under DLM the server's attr_valid can keep the attributes of a locked inode valid indefinitely. Once a DLM lock was taken on an inode, cap its i_time and every later attr_valid to dlm_attr_timeout seconds, so a GETATTR is sent at least that often. Default 30s, module parameter, 0 keeps the server's timeout.