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authorJavier González <jg@lightnvm.io>2017-04-22 02:32:48 +0300
committerJens Axboe <axboe@fb.com>2017-04-24 01:57:52 +0300
commitbe388d9fbd4e09582e31c3ee82a022e368208ae3 (patch)
tree7cd48c6139b78fb22d9a27cc4d49a4aa6af0e34b /drivers/lightnvm
parent33db9fd46ea8e3e6d4757d99a3f97bd1a0c919f3 (diff)
downloadlinux-be388d9fbd4e09582e31c3ee82a022e368208ae3.tar.xz
lightnvm: pblk: free metadata on line alloc failure
When a line allocation fails, for example, due to having too many bad blocks, free its metadata correctly. Fixes: a4bd217b4326 "lightnvm: physical block device (pblk) target" Signed-off-by: Javier González <javier@cnexlabs.com> Reviewed-by: Matias Bjørling <matias@cnexlabs.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/pblk-core.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 7eb62ec6c583..ac3742b85f2e 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -1127,6 +1127,7 @@ static struct pblk_line *pblk_line_retry(struct pblk *pblk,
spin_lock(&l_mg->free_lock);
retry_line = pblk_line_get(pblk);
if (!retry_line) {
+ l_mg->data_line = NULL;
spin_unlock(&l_mg->free_lock);
return NULL;
}
@@ -1134,18 +1135,17 @@ static struct pblk_line *pblk_line_retry(struct pblk *pblk,
retry_line->smeta = line->smeta;
retry_line->emeta = line->emeta;
retry_line->meta_line = line->meta_line;
- retry_line->map_bitmap = line->map_bitmap;
- retry_line->invalid_bitmap = line->invalid_bitmap;
- line->map_bitmap = NULL;
- line->invalid_bitmap = NULL;
- line->smeta = NULL;
- line->emeta = NULL;
+ pblk_line_free(pblk, line);
l_mg->data_line = retry_line;
spin_unlock(&l_mg->free_lock);
- if (pblk_line_erase(pblk, retry_line))
+ if (pblk_line_erase(pblk, retry_line)) {
+ spin_lock(&l_mg->free_lock);
+ l_mg->data_line = NULL;
+ spin_unlock(&l_mg->free_lock);
return NULL;
+ }
pblk_rl_free_lines_dec(&pblk->rl, retry_line);
@@ -1299,6 +1299,8 @@ void pblk_line_free(struct pblk *pblk, struct pblk_line *line)
line->map_bitmap = NULL;
line->invalid_bitmap = NULL;
+ line->smeta = NULL;
+ line->emeta = NULL;
}
void pblk_line_put(struct kref *ref)