Commit 8230a0a4 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: convert inline_data for punch_hole 



In the punch_hole(), let's convert inline_data all the time for simplicity and
to avoid potential deadlock conditions.
It is pretty much not a big deal to do this.

Reviewed-by: default avatarChao Yu <chao2.yu@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent f185ff97

fs/f2fs/file.c

+3 −19
Original line number Diff line number Diff line
@@ -462,25 +462,9 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len) 
	loff_t off_start, off_end;

	int ret = 0;



	if (f2fs_has_inline_data(inode)) {

		struct page *page;

		unsigned flags = AOP_FLAG_NOFS;

		page = grab_cache_page_write_begin(inode->i_mapping, 0, flags);

		if (IS_ERR(page))

			return PTR_ERR(page);

		if (offset + len > MAX_INLINE_DATA) {

			ret = f2fs_convert_inline_data(inode, page, flags);

			f2fs_put_page(page, 1);

	ret = f2fs_convert_inline_data(inode, NULL, AOP_FLAG_NOFS);

	if (ret)

		return ret;

		} else {

			zero_user_segment(page, offset, offset + len);

			SetPageUptodate(page);

			set_page_dirty(page);

			f2fs_put_page(page, 1);

			return ret;

		}

	}



	pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;

	pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;