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authorMarcin Dziegielewski <marcin.dziegielewski@intel.com>2019-05-04 20:37:57 +0200
committerJens Axboe <axboe@kernel.dk>2019-05-06 10:19:18 -0600
commit4bbae699226ea72a91a665f489c0d85fb48885d1 (patch)
tree49bdb70fdbaa7e85b8a2bae69fef9a95b4692063 /drivers/lightnvm
parentlightnvm: pblk: fix bio leak when bio is split (diff)
downloadlinux-dev-4bbae699226ea72a91a665f489c0d85fb48885d1.tar.xz
linux-dev-4bbae699226ea72a91a665f489c0d85fb48885d1.zip
lightnvm: pblk: set propper line as data_line after gc
In current implementation of l2p recovery, when we are after gc and we have open line, we are not setting current data line properly (we set last line from the device instead of last line ordered by seq_nr) and in consequence, kernel panic and data corruption. Signed-off-by: Marcin Dziegielewski <marcin.dziegielewski@intel.com> Reviewed-by: Javier González <javier@javigon.com> Signed-off-by: Matias Bjørling <mb@lightnvm.io> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/pblk-recovery.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index 83b467b5edc7..017874e03253 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -844,6 +844,7 @@ next:
spin_unlock(&l_mg->free_lock);
} else {
spin_lock(&l_mg->free_lock);
+ l_mg->data_line = data_line;
/* Allocate next line for preparation */
l_mg->data_next = pblk_line_get(pblk);
if (l_mg->data_next) {