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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2022-07-24 00:28:32 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska@appnovation.com> | 2022-07-24 00:28:32 +0000 |
| commit | 8ad0f7f39526ee0d8f52f44f5434dfd518f8897a (patch) | |
| tree | 41b3da33258b25b56ab85973b91e4e98dd833ae8 /doc/mdevd-coldplug.html | |
| parent | d9f63961ec01dc02131ad0967734ae1a058b27b8 (diff) | |
| download | mdevd-8ad0f7f39526ee0d8f52f44f5434dfd518f8897a.tar.xz | |
Add "settle" functionality to mdevd-colplug
- Still untested.
- Also prepare for 0.1.6.0.
- Includes a refactor of several functions in mdevd, moved
into an internal libmdevd that is also used by mdevd-coldplug.
Signed-off-by: Laurent Bercot <ska@appnovation.com>
Diffstat (limited to 'doc/mdevd-coldplug.html')
| -rw-r--r-- | doc/mdevd-coldplug.html | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/doc/mdevd-coldplug.html b/doc/mdevd-coldplug.html index 027c849..36654eb 100644 --- a/doc/mdevd-coldplug.html +++ b/doc/mdevd-coldplug.html @@ -28,7 +28,7 @@ for all these devices. <h2> Interface </h2> <pre> - mdevd-coldplug [ -s <em>slashsys</em> ] + mdevd-coldplug [ -v <em>verbosity</em> ] [ -s <em>slashsys</em> ] [ -O <em>nlgroup</em> ] [ -b <em>kbufsize</em> ] </pre> <ul> @@ -43,8 +43,23 @@ at this point, it will pick up the series of events. </li> <h2> Options </h2> <ul> + <li> <tt>-v</tt> <em>verbosity</em> : be more or less verbose. +Default verbosity is 1. 0 will only print fatal error messages, 3 or more +is seriously verbose debugging. </li> <li> <tt>-s</tt> <em>slashsys</em> : assume the sysfs pseudo-filesystem is mounted on <em>slashsys</em>. Default is <tt>/sys</tt>. </li> + <li> <tt>-O</tt> <em>nlgroup</em> : synchronous coldplug. +<tt>mdevd-coldplug</tt> will not exit until the last uevent it triggers +has been handled by <a href="mdevd.html">mdevd</a>. <em>nlgroup</em> +needs to be a netlink group that <a href="mdevd.html">mdevd</a> is +rebroadcasting handled events to. Note that this option can only work +if <a href="mdevd.html">mdevd</a> is running with a similar <tt>-O</tt> +option with a compatible value; else, <tt>mdevd-coldplug</tt> will wait +forever. </li> + <li> <tt>-b</tt> <em>kbufsz</em> : try and reserve a kernel buffer of +<em>kbufsz</em> bytes for the netlink queue. The default is 500 kB; +if you're getting "No buffer space available" errors, try increasing this number. +This option is only meaningful when paired with the <tt>-O</tt> option. </li> </ul> <h2> Exit codes </h2> |