diff --git a/fs/splice.c b/fs/splice.c index 50c43a1e0923435bda007a5556930c483a95328c..9bfd6af0cf452a4a558ea4b88c9044777d924502 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -250,9 +250,12 @@ static int __generic_file_splice_read(struct file *in, struct inode *pipe, nr_pages = PIPE_BUFFERS; /* - * initiate read-ahead on this page range + * initiate read-ahead on this page range. however, don't call into + * read-ahead if this is a non-zero offset (we are likely doing small + * chunk splice and the page is already there) for a single page. */ - do_page_cache_readahead(mapping, in, index, nr_pages); + if (!offset || nr_pages > 1) + do_page_cache_readahead(mapping, in, index, nr_pages); /* * now fill in the holes