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authorIngo Molnar <[email protected]>2024-03-25 11:32:29 +0100
committerIngo Molnar <[email protected]>2024-03-25 11:32:29 +0100
commitf4566a1e73957800df75a3dd2dccee8a4697f327 (patch)
treeb043b875228c0b25988af66c680d60cae69d761d /include/linux/writeback.h
parentb9e6e28663928cab836a19abbdec3d036a07db3b (diff)
parent4cece764965020c22cff7665b18a012006359095 (diff)
Merge tag 'v6.9-rc1' into sched/core, to pick up fixes and to refresh the branch
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'include/linux/writeback.h')
-rw-r--r--include/linux/writeback.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 453736fd1d23..9845cb62e40b 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -11,6 +11,7 @@
#include <linux/flex_proportions.h>
#include <linux/backing-dev-defs.h>
#include <linux/blk_types.h>
+#include <linux/pagevec.h>
struct bio;
@@ -40,6 +41,7 @@ enum writeback_sync_modes {
* in a manner such that unspecified fields are set to zero.
*/
struct writeback_control {
+ /* public fields that can be set and/or consumed by the caller: */
long nr_to_write; /* Write this many pages, and decrement
this for each page written */
long pages_skipped; /* Pages which were not written */
@@ -77,6 +79,11 @@ struct writeback_control {
*/
struct swap_iocb **swap_plug;
+ /* 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 */
struct inode *inode; /* inode being written out */
@@ -360,11 +367,12 @@ 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);
-void tag_pages_for_writeback(struct address_space *mapping,
- pgoff_t start, pgoff_t end);
int write_cache_pages(struct address_space *mapping,
struct writeback_control *wbc, writepage_t writepage,
void *data);