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Diffstat (limited to 'include/linux/writeback.h')
-rw-r--r--include/linux/writeback.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index f67b3ea866a0..9845cb62e40b 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -82,6 +82,7 @@ struct writeback_control {
/* internal fields used by the ->writepages implementation: */
struct folio_batch fbatch;
pgoff_t index;
+ int saved_err;
#ifdef CONFIG_CGROUP_WRITEBACK
struct bdi_writeback *wb; /* wb this writeback is issued under */
@@ -366,6 +367,9 @@ int balance_dirty_pages_ratelimited_flags(struct address_space *mapping,
bool wb_over_bg_thresh(struct bdi_writeback *wb);
+struct folio *writeback_iter(struct address_space *mapping,
+ struct writeback_control *wbc, struct folio *folio, int *error);
+
typedef int (*writepage_t)(struct folio *folio, struct writeback_control *wbc,
void *data);