Commit 32c57300 authored Sep 24, 2017 by Hsiang Kao Committed by Jaegeuk Kim Dec 18, 2017

f2fs: allow readpages with NULL file pointer



Keep in line with the other Linux file system implementations
since page_cache_sync_readahead supports NULL file pointer,
and thus we can readahead data by f2fs itself without file opening
(something like the btrfs behavior).

Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent dba2b454

fs/f2fs/data.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1334,7 +1334,7 @@ static int f2fs_read_data_pages(struct file *file,
		struct address_space *mapping,
		struct list_head *pages, unsigned nr_pages)
		{
		struct inode *inode = file->f_mapping->host;
		struct inode *inode = mapping->host;
		struct page *page = list_last_entry(pages, struct page, lru);

		trace_f2fs_readpages(inode, page, nr_pages);