diff options
Diffstat (limited to 'fs/splice.c')
| -rw-r--r-- | fs/splice.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/splice.c b/fs/splice.c index 153d4f3bd441..8ed7c9d8c0fb 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -17,6 +17,7 @@ * Copyright (C) 2006 Ingo Molnar <mingo@elte.hu> * */ +#include <linux/bvec.h> #include <linux/fs.h> #include <linux/file.h> #include <linux/pagemap.h> @@ -299,13 +300,8 @@ ssize_t generic_file_splice_read(struct file *in, loff_t *ppos, { struct iov_iter to; struct kiocb kiocb; - loff_t isize; int idx, ret; - isize = i_size_read(in->f_mapping->host); - if (unlikely(*ppos >= isize)) - return 0; - iov_iter_pipe(&to, ITER_PIPE | READ, pipe, len); idx = to.idx; init_sync_kiocb(&kiocb, in); @@ -413,7 +409,8 @@ static ssize_t default_file_splice_read(struct file *in, loff_t *ppos, if (res <= 0) return -ENOMEM; - nr_pages = res / PAGE_SIZE; + BUG_ON(dummy); + nr_pages = DIV_ROUND_UP(res, PAGE_SIZE); vec = __vec; if (nr_pages > PIPE_DEF_BUFFERS) { |
