X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=kernel%2Frelay.c;h=e9dbaeb8fd65c7d0af385043cddf2b7d7ef7fa8c;hb=8ba64dc33830fbcd57d59fddc2ca1c24a6a394c4;hp=52d6a6f56261d26dabc458684a3529d15710e30b;hpb=c0c4cf06456d4fffc45cb618a1a7af1e5861cbc8;p=firefly-linux-kernel-4.4.55.git

diff --git a/kernel/relay.c b/kernel/relay.c
index 52d6a6f56261..e9dbaeb8fd65 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -407,7 +407,7 @@ static inline void relay_set_buf_dentry(struct rchan_buf *buf,
 					struct dentry *dentry)
 {
 	buf->dentry = dentry;
-	buf->dentry->d_inode->i_size = buf->early_bytes;
+	d_inode(buf->dentry)->i_size = buf->early_bytes;
 }
 
 static struct dentry *relay_create_buf_file(struct rchan *chan,
@@ -733,7 +733,7 @@ size_t relay_switch_subbuf(struct rchan_buf *buf, size_t length)
 		buf->padding[old_subbuf] = buf->prev_padding;
 		buf->subbufs_produced++;
 		if (buf->dentry)
-			buf->dentry->d_inode->i_size +=
+			d_inode(buf->dentry)->i_size +=
 				buf->chan->subbuf_size -
 				buf->padding[old_subbuf];
 		else
@@ -1195,8 +1195,6 @@ static void relay_pipe_buf_release(struct pipe_inode_info *pipe,
 
 static const struct pipe_buf_operations relay_pipe_buf_ops = {
 	.can_merge = 0,
-	.map = generic_pipe_buf_map,
-	.unmap = generic_pipe_buf_unmap,
 	.confirm = generic_pipe_buf_confirm,
 	.release = relay_pipe_buf_release,
 	.steal = generic_pipe_buf_steal,
@@ -1253,7 +1251,7 @@ static ssize_t subbuf_splice_actor(struct file *in,
 	subbuf_pages = rbuf->chan->alloc_size >> PAGE_SHIFT;
 	pidx = (read_start / PAGE_SIZE) % subbuf_pages;
 	poff = read_start & ~PAGE_MASK;
-	nr_pages = min_t(unsigned int, subbuf_pages, pipe->buffers);
+	nr_pages = min_t(unsigned int, subbuf_pages, spd.nr_pages_max);
 
 	for (total_len = 0; spd.nr_pages < nr_pages; spd.nr_pages++) {
 		unsigned int this_len, this_end, private;