fs/btrfs/extent_io.c

103 	struct writeback_control *wbc;
773 	if (bio_ctrl->wbc) {
791 		wbc_init_bio(bio_ctrl->wbc, &bbio->bio);
842 		if (bio_ctrl->wbc)
843 			wbc_account_cgroup_owner(bio_ctrl->wbc, page, len);
1196 		struct page *page, struct writeback_control *wbc)
1214 					       delalloc_end, wbc);
1233 		wbc->nr_to_write -= delalloc_to_write;
1237 	if (wbc->nr_to_write < delalloc_to_write) {
1242 		wbc->nr_to_write = min_t(u64, delalloc_to_write,
1328 		redirty_page_for_writepage(bio_ctrl->wbc, page);
1446 	trace___extent_writepage(page, inode, bio_ctrl->wbc);
1465 	ret = writepage_delalloc(BTRFS_I(inode), page, bio_ctrl->wbc);
1475 	bio_ctrl->wbc->nr_to_write--;
1507 			  struct writeback_control *wbc)
1515 		if (wbc->sync_mode != WB_SYNC_ALL)
1691 					    struct writeback_control *wbc)
1699 			       REQ_OP_WRITE | REQ_META | wbc_to_write_flags(wbc),
1703 	wbc_init_bio(wbc, &bbio->bio);
1715 			wbc->nr_to_write--;
1720 		wbc_account_cgroup_owner(wbc, folio_page(folio, 0), eb->len);
1734 			wbc_account_cgroup_owner(wbc, folio_page(folio, 0),
1736 			wbc->nr_to_write -= folio_nr_pages(folio);
1757 static int submit_eb_subpage(struct page *page, struct writeback_control *wbc)
1810 		if (lock_extent_buffer_for_io(eb, wbc)) {
1811 			write_one_eb(eb, wbc);
1841 	struct writeback_control *wbc = ctx->wbc;
1851 		return submit_eb_subpage(page, wbc);
1889 	if (!lock_extent_buffer_for_io(eb, wbc)) {
1899 	write_one_eb(eb, wbc);
1905 				   struct writeback_control *wbc)
1907 	struct btrfs_eb_write_context ctx = { .wbc = wbc };
1920 	if (wbc->range_cyclic) {
1929 		index = wbc->range_start >> PAGE_SHIFT;
1930 		end = wbc->range_end >> PAGE_SHIFT;
1933 	if (wbc->sync_mode == WB_SYNC_ALL)
1939 	if (wbc->sync_mode == WB_SYNC_ALL)
1962 			nr_to_write_done = wbc->nr_to_write <= 0;
2021  * @wbc:       subtract the number of written pages from *@wbc->nr_to_write
2028  * the call was made get new I/O started against them.  If wbc->sync_mode is
2035 	struct writeback_control *wbc = bio_ctrl->wbc;
2062 	if (wbc->range_cyclic) {
2071 		index = wbc->range_start >> PAGE_SHIFT;
2072 		end = wbc->range_end >> PAGE_SHIFT;
2073 		if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
2085 	if (range_whole && wbc->nr_to_write == LONG_MAX &&
2088 		wbc->tagged_writepages = 1;
2090 	if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages)
2095 	if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages)
2130 			if (wbc->sync_mode != WB_SYNC_NONE) {
2153 			nr_to_write_done = (wbc->sync_mode == WB_SYNC_NONE &&
2154 					    wbc->nr_to_write <= 0);
2177 	if (wbc->range_cyclic || (wbc->nr_to_write > 0 && range_whole))
2190 			       u64 start, u64 end, struct writeback_control *wbc,
2201 		.wbc = wbc,
2202 		.opf = REQ_OP_WRITE | wbc_to_write_flags(wbc),
2205 	if (wbc->no_cgroup_owner)
2250 		      struct writeback_control *wbc)
2255 		.wbc = wbc,
2256 		.opf = REQ_OP_WRITE | wbc_to_write_flags(wbc),