Kill the BUG_ON.
Signed-off-by: David Sterba <dste...@suse.cz>
---
disk-io.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/disk-io.c b/disk-io.c
index 8db0335bc81b..7ddd4b90836f 100644
--- a/disk-io.c
+++ b/disk-io.c
@@ -152,7 +152,8 @@ int readahead_tree_block(struct btrfs_root *root, u64
bytenr, u32 blocksize,
length = blocksize;
ret = btrfs_map_block(&root->fs_info->mapping_tree, READ,
bytenr, &length, &multi, 0, NULL);
- BUG_ON(ret);
+ if (ret)
+ return 0
device = multi->stripes[0].dev;
device->total_ios++;
blocksize = min(blocksize, (u32)(64 * 1024));
--
1.9.0
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