Re: [PATCH v2] btrfs: send: in case of IO error log it

From: Dāvis Mosāns
Date: Sat Feb 05 2022 - 13:50:52 EST


> diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
> index d8ccb62aa7d2..a1fd449a5ecc 100644
> --- a/fs/btrfs/send.c
> +++ b/fs/btrfs/send.c
> @@ -5000,6 +5000,8 @@ static int put_file_data(struct send_ctx *sctx, u64 offset, u32 len)
> if (!PageUptodate(page)) {
> unlock_page(page);
> put_page(page);
> + btrfs_err(fs_info, "send: IO error at offset=%llu for inode=%llu root=%llu",
> + page_offset(page), sctx->cur_ino, sctx->send_root->root_key.objectid);

Thought more about this and I'm guessing using page after put_page is
probably wrong but it did work fine. Submitted v3.