Btrfs: remove some WARN_ONs in the IO failure path

These debugging WARN_ONs make too much console noise during regular
IO failures.  An IO failure will still generate a number of messages
as we verify checksums etc, but these two are not needed.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 0ff16d3..4b0ea0b 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -848,8 +848,6 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
 
        if (ret == 0)
                set_bit(EXTENT_BUFFER_UPTODATE, &buf->bflags);
-       else
-               WARN_ON(1);
        return buf;
 
 }

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 22450bd..1c8b019 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4296,7 +4296,6 @@ out:
        }
        if (err) {
                free_extent_map(em);
-               WARN_ON(1);
                return ERR_PTR(err);
        }
        return em;