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| author | Hans Holmberg <hans.holmberg@cnexlabs.com> | 2018-03-30 00:04:58 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-03-29 17:29:09 -0600 |
| commit | 3c05ef115c696392d9703be3fe014100ec77864d (patch) | |
| tree | 7ef312bb9ac423359ee54ea7b7dd420981edd412 /drivers/lightnvm/pblk-core.c | |
| parent | b966c50b14de56cd73d40d3fa87b48bbab6e5c8a (diff) | |
| download | linux-stable-3c05ef115c696392d9703be3fe014100ec77864d.tar.gz linux-stable-3c05ef115c696392d9703be3fe014100ec77864d.tar.bz2 linux-stable-3c05ef115c696392d9703be3fe014100ec77864d.zip | |
lightnvm: pblk: prevent race in pblk_rb_flush_point_set
Make sure that we are not advancing the sync pointer while
we're adding bios to the write buffer entry completion list.
This race condition results in bios not completing and was identified
by a hang when running xfstest generic/113.
Signed-off-by: Hans Holmberg <hans.holmberg@cnexlabs.com>
Reviewed-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm/pblk-core.c')
0 files changed, 0 insertions, 0 deletions