Use ASSERT to report logical error in cow_file_range(), also move
it a bit closer to when the num_bytes is derived.
Signed-off-by: Anand Jain <anand.j...@oracle.com>
---
v1->v2:
ASSERT logic changed. Thanks Nikolay.
fs/btrfs/inode.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4b156e191592..260fd8139951 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -976,6 +976,7 @@ static noinline int cow_file_range(struct inode *inode,
num_bytes = ALIGN(end - start + 1, blocksize);
num_bytes = max(blocksize, num_bytes);
+ ASSERT(num_bytes <= btrfs_super_total_bytes(fs_info->super_copy));
inode_should_defrag(BTRFS_I(inode), start, end, num_bytes, SZ_64K);
@@ -1006,9 +1007,6 @@ static noinline int cow_file_range(struct inode *inode,
}
}
- BUG_ON(num_bytes >
- btrfs_super_total_bytes(fs_info->super_copy));
-
alloc_hint = get_extent_allocation_hint(inode, start, num_bytes);
btrfs_drop_extent_cache(BTRFS_I(inode), start,
start + num_bytes - 1, 0);
--
2.15.0
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