We can just return an error and we'll bail out properly. We still want to catch
this case to make sure we don't have a bug somewhere, so just warn if this pops
up. Thanks,
Signed-off-by: Josef Bacik <jbacik@xxxxxxxxxxxx>
---
fs/btrfs/inode.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 961ae6f..db6e11f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -843,7 +843,10 @@ static noinline int cow_file_range(struct inode *inode,
struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
int ret = 0;
- BUG_ON(btrfs_is_free_space_inode(inode));
+ if (btrfs_is_free_space_inode(inode)) {
+ WARN_ON_ONCE(1);
+ return -EINVAL;
+ }
num_bytes = ALIGN(end - start + 1, blocksize);
num_bytes = max(blocksize, num_bytes);
--
1.8.3.1
--
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