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authorArnaldo Carvalho de Melo <acme@redhat.com>2021-11-06 21:49:33 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-11-06 21:49:33 +0300
commit7f9f879243d6cf5d2d60d12065e93189cc343387 (patch)
treee74619a16f8291f7225ee9877cf93e530243e0d3 /fs/btrfs/root-tree.c
parent32f7aa2731b24ad8393f26d63df959d74844345f (diff)
parentfe91c4725aeed35023ba4f7a1e1adfebb6878c23 (diff)
downloadlinux-7f9f879243d6cf5d2d60d12065e93189cc343387.tar.xz
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up some tools/perf/ patches that went via tip/perf/core, such as: tools/perf: Add mem_hops field in perf_mem_data_src structure Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'fs/btrfs/root-tree.c')
-rw-r--r--fs/btrfs/root-tree.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 702dc5441f03..12ceb14a1141 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -39,10 +39,8 @@ static void btrfs_read_root_item(struct extent_buffer *eb, int slot,
need_reset = 1;
}
if (need_reset) {
- memset(&item->generation_v2, 0,
- sizeof(*item) - offsetof(struct btrfs_root_item,
- generation_v2));
-
+ /* Clear all members from generation_v2 onwards. */
+ memset_startat(item, 0, generation_v2);
generate_random_guid(item->uuid);
}
}