diff options
| -rw-r--r-- | fs/nfsd/vfs.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 8a2321d19194..2c9074ab2315 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -956,10 +956,13 @@ nfsd_splice_actor(struct pipe_inode_info *pipe, struct pipe_buffer *buf, last_page = page + (offset + sd->len - 1) / PAGE_SIZE; for (page += offset / PAGE_SIZE; page <= last_page; page++) { /* - * Skip page replacement when extending the contents - * of the current page. + * Skip page replacement when extending the contents of the + * current page. But note that we may get two zero_pages in a + * row from shmem. */ - if (page == *(rqstp->rq_next_page - 1)) + if (page == *(rqstp->rq_next_page - 1) && + offset_in_page(rqstp->rq_res.page_base + + rqstp->rq_res.page_len)) continue; if (unlikely(!svc_rqst_replace_page(rqstp, page))) return -EIO; |