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| author |   Christoph Hellwig <hch@lst.de> | 2021-08-11 14:44:28 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-08-13 14:17:41 -0600 |
| commit | 6e4df4c6488165637b95b9701cc862a42a3836ba (patch) | |
| tree | 96ded1a3513ae34c7462db58bd0433785f6f7ac6 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | nbd: refactor device search and allocation in nbd_genl_connect (diff) | |
| download | wireguard-linux-6e4df4c6488165637b95b9701cc862a42a3836ba.tar.xz wireguard-linux-6e4df4c6488165637b95b9701cc862a42a3836ba.zip | |
nbd: reduce the nbd_index_mutex scope
nbd_index_mutex is currently held over add_disk and inside ->open, which
leads to lock order reversals. Refactor the device creation code path
so that nbd_dev_add is called without nbd_index_mutex lock held and
only takes it for the IDR insertation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210811124428.2368491-7-hch@lst.de
[axboe: fix whitespace]
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions