On Mon, Jul 10 2017, Steve Dickson wrote: > Hey Neil, > > On 07/04/2017 06:20 PM, NeilBrown wrote: >> On Tue, May 30 2017, NeilBrown wrote: >> >>> Systemd does not, and will not, support "bg" correctly. >>> It has other, better, ways to handle "background" mounting. >> >> For those who aren't closely watching systemd development, a >> patch was recently accepted which causes systemd to work correctly with >> NFS bg mounts. So the above "and will not" was, happily, not correct. > Could you please post a pointer to the thread?
The main commmit is https://github.com/systemd/systemd/commit/65e1dee7dcf1668c25c32f0238c935708dbffbcf The link in the title leads to https://github.com/systemd/systemd/pull/6103 which is the discussion of the pull request. The "Fixes" link at the bottom leads to https://github.com/systemd/systemd/issues/6046 which is an 'issue' that started out as "we should warn if 'bg' is used" but became "here is a fix so bg works". I've been wondering if we should add text to nfs.5 suggesting that automount is often a good match for NFS, and can particularly be useful where "bg" is currently used. Not sure what to do about timeouts though. systemd currently waits for the mount command to fail, or kills it after 90 seconds. It doesn't return an error to accesses of the mount point (typically ENODEV) until mount exits. I think I would prefer a shorter timeout before the error, but a longer timeout before killing mount. But I'm not really sure. Does anyone have opinions? Thanks, NeilBrown
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