diff --git a/fs/splice.c b/fs/splice.c index 60aed8de21f8..cf5d417b5f66 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -751,9 +751,15 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out, /* dismiss the fully eaten buffers, adjust the partial one */ tail = pipe->tail; - while (ret) { + n = 0; + while (ret > 0 && n < nbufs) { struct pipe_buffer *buf = &pipe->bufs[tail & mask]; - if (ret >= buf->len) { + printk("ret: %ld, nbufs: %d, buf len: %lu, n: %d, %s\n", ret, nbufs, buf->len, n, __func__); + if (!buf->len) { + tail++; + continue; + } + if (ret >= (ssize_t)buf->len) { ret -= buf->len; buf->len = 0; pipe_buf_release(pipe, buf); @@ -766,6 +772,7 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out, buf->len -= ret; ret = 0; } + n++; } } done: