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| author |   Mike Snitzer <snitzer@redhat.com> | 2019-03-22 16:12:22 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2019-04-18 16:18:32 -0400 |
| commit | c6e086e0c9b2133f38563707c96b22fd0906f570 (patch) | |
| tree | ce94d77245863f7f51dbec736b4fd62848b8b0a3 | |
| parent | dm writecache: add unlikely for returned value of rb_next/prev (diff) | |
| download | linux-dev-c6e086e0c9b2133f38563707c96b22fd0906f570.tar.xz linux-dev-c6e086e0c9b2133f38563707c96b22fd0906f570.zip | |
dm space map common: zero entire ll_disk
Otherwise, memory that is allocated (and potentially not previously
zeroed) will get written to disk as part of the space maps.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
| -rw-r--r-- | drivers/md/persistent-data/dm-space-map-common.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c index 0a3b8ae4a29c..b8a62188f6be 100644 --- a/drivers/md/persistent-data/dm-space-map-common.c +++ b/drivers/md/persistent-data/dm-space-map-common.c @@ -190,6 +190,8 @@ static int sm_find_free(void *addr, unsigned begin, unsigned end, static int sm_ll_init(struct ll_disk *ll, struct dm_transaction_manager *tm) { + memset(ll, 0, sizeof(struct ll_disk)); + ll->tm = tm; ll->bitmap_info.tm = tm; |