Unverified Commit 556d0ac0 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle) Committed by Christian Brauner
Browse files

fuse: Convert fuse_write_end() to use a folio 



Convert the passed page to a folio and operate on that.
Replaces five calls to compound_head() with one.

Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent dfd2e81d

fs/fuse/file.c

+8 −7
Original line number Diff line number Diff line
@@ -2434,29 +2434,30 @@ static int fuse_write_end(struct file *file, struct address_space *mapping, 
		loff_t pos, unsigned len, unsigned copied,

		struct page *page, void *fsdata)

{

	struct inode *inode = page->mapping->host;

	struct folio *folio = page_folio(page);

	struct inode *inode = folio->mapping->host;



	/* Haven't copied anything?  Skip zeroing, size extending, dirtying. */

	if (!copied)

		goto unlock;



	pos += copied;

	if (!PageUptodate(page)) {

	if (!folio_test_uptodate(folio)) {

		/* Zero any unwritten bytes at the end of the page */

		size_t endoff = pos & ~PAGE_MASK;

		if (endoff)

			zero_user_segment(page, endoff, PAGE_SIZE);

		SetPageUptodate(page);

			folio_zero_segment(folio, endoff, PAGE_SIZE);

		folio_mark_uptodate(folio);

	}



	if (pos > inode->i_size)

		i_size_write(inode, pos);



	set_page_dirty(page);

	folio_mark_dirty(folio);



unlock:

	unlock_page(page);

	put_page(page);

	folio_unlock(folio);

	folio_put(folio);



	return copied;

}