wait_on_page_writeback(page);
if (PagePrivate(page))
- try_to_release_page(page, mapping_gfp_mask(mapping));
+ try_to_release_page(page, GFP_KERNEL);
/*
* If we succeeded in removing the mapping, set LRU flag
break;
error = add_to_page_cache_lru(page, mapping, index,
- mapping_gfp_mask(mapping));
+ GFP_KERNEL);
if (unlikely(error)) {
page_cache_release(page);
if (error == -EEXIST)
{
struct file *file = sd->file;
struct address_space *mapping = file->f_mapping;
- gfp_t gfp_mask = mapping_gfp_mask(mapping);
unsigned int offset, this_len;
struct page *page;
pgoff_t index;
goto find_page;
page = buf->page;
- if (add_to_page_cache(page, mapping, index, gfp_mask)) {
+ if (add_to_page_cache(page, mapping, index, GFP_KERNEL)) {
unlock_page(page);
goto find_page;
}
* This will also lock the page
*/
ret = add_to_page_cache_lru(page, mapping, index,
- gfp_mask);
+ GFP_KERNEL);
if (unlikely(ret))
goto out;
}
EXPORT_SYMBOL(do_splice_direct);
+/*
+ * After the inode slimming patch, i_pipe/i_bdev/i_cdev share the same
+ * location, so checking ->i_pipe is not enough to verify that this is a
+ * pipe.
+ */
+static inline struct pipe_inode_info *pipe_info(struct inode *inode)
+{
+ if (S_ISFIFO(inode->i_mode))
+ return inode->i_pipe;
+
+ return NULL;
+}
+
/*
* Determine where to splice to/from.
*/
loff_t offset, *off;
long ret;
- pipe = in->f_dentry->d_inode->i_pipe;
+ pipe = pipe_info(in->f_dentry->d_inode);
if (pipe) {
if (off_in)
return -ESPIPE;
return ret;
}
- pipe = out->f_dentry->d_inode->i_pipe;
+ pipe = pipe_info(out->f_dentry->d_inode);
if (pipe) {
if (off_out)
return -ESPIPE;
static long do_vmsplice(struct file *file, const struct iovec __user *iov,
unsigned long nr_segs, unsigned int flags)
{
- struct pipe_inode_info *pipe = file->f_dentry->d_inode->i_pipe;
+ struct pipe_inode_info *pipe;
struct page *pages[PIPE_BUFFERS];
struct partial_page partial[PIPE_BUFFERS];
struct splice_pipe_desc spd = {
.ops = &user_page_pipe_buf_ops,
};
- if (unlikely(!pipe))
+ pipe = pipe_info(file->f_dentry->d_inode);
+ if (!pipe)
return -EBADF;
if (unlikely(nr_segs > UIO_MAXIOV))
return -EINVAL;
static long do_tee(struct file *in, struct file *out, size_t len,
unsigned int flags)
{
- struct pipe_inode_info *ipipe = in->f_dentry->d_inode->i_pipe;
- struct pipe_inode_info *opipe = out->f_dentry->d_inode->i_pipe;
+ struct pipe_inode_info *ipipe = pipe_info(in->f_dentry->d_inode);
+ struct pipe_inode_info *opipe = pipe_info(out->f_dentry->d_inode);
int ret = -EINVAL;
/*