btrfs: kill unused writepage_io_hook callback (58409edd) · Commits · 戴 / test

fs/btrfs/extent_io.c

+16 −23

Original line number	Diff line number	Diff line
		@@ -3368,6 +3368,8 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,

		while (cur <= end) {
		u64 em_end;
		unsigned long max_nr;

		if (cur >= i_size) {
		if (tree->ops && tree->ops->writepage_end_io_hook)
		tree->ops->writepage_end_io_hook(page, cur,
		@@ -3423,16 +3425,7 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,
		continue;
		}

		if (tree->ops && tree->ops->writepage_io_hook) {
		ret = tree->ops->writepage_io_hook(page, cur,
		cur + iosize - 1);
		} else {
		ret = 0;
		}
		if (ret) {
		SetPageError(page);
		} else {
		unsigned long max_nr = (i_size >> PAGE_SHIFT) + 1;
		max_nr = (i_size >> PAGE_SHIFT) + 1;

		set_range_writeback(tree, cur, cur + iosize - 1);
		if (!PageWriteback(page)) {
		@@ -3448,7 +3441,7 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,
		0, 0, 0, false);
		if (ret)
		SetPageError(page);
		}

		cur = cur + iosize;
		pg_offset += iosize;
		nr++;

+0 −1

Original line number	Diff line number	Diff line
		@@ -71,7 +71,6 @@ struct extent_io_ops {
		u64 start, u64 end, int *page_started,
		unsigned long *nr_written);
		int (writepage_start_hook)(struct page page, u64 start, u64 end);
		int (writepage_io_hook)(struct page page, u64 start, u64 end);
		extent_submit_bio_hook_t *submit_bio_hook;
		int (merge_bio_hook)(int rw, struct page page, unsigned long offset,
		size_t size, struct bio *bio,