diff options
| author | Christoph Hellwig <[email protected]> | 2022-03-30 07:29:14 +0200 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2022-04-18 06:54:09 -0600 |
| commit | 498ef5c777d9c89693b70cc453b40c392120ea1b (patch) | |
| tree | 55dbf452df24fc47b92d19ac21651af9ca29fc8a /tools/perf/scripts/python/stat-cpi.py | |
| parent | d2c7f56f8b5256d57f9e3fc7794c31361d43bdd9 (diff) | |
loop: suppress uevents while reconfiguring the device
Currently, udev change event is generated for a loop device before the
device is ready for IO. Due to serialization on lo->lo_mutex in
lo_open() this does not matter because anybody is able to open the
device and do IO only after the configuration is finished. However this
synchronization in lo_open() is going away so make sure userspace
reacting to the change event will see the new device state by generating
the event only when the device is setup.
Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stat-cpi.py')
0 files changed, 0 insertions, 0 deletions