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-rw-r--r--include/linux/backing-dev-defs.h4
-rw-r--r--include/linux/writeback.h2
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index 2ad261082bba..c5c9d89c73ed 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -152,6 +152,10 @@ struct bdi_writeback {
struct list_head blkcg_node; /* anchored at blkcg->cgwb_list */
struct list_head b_attached; /* attached inodes, protected by list_lock */
struct list_head offline_node; /* anchored at offline_cgwbs */
+ struct work_struct switch_work; /* work used to perform inode switching
+ * to this wb */
+ struct llist_head switch_wbs_ctxs; /* queued contexts for
+ * writeback switching */
union {
struct work_struct release_work;
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index a2848d731a46..15a4bc4ab819 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -265,6 +265,8 @@ static inline void wbc_init_bio(struct writeback_control *wbc, struct bio *bio)
bio_associate_blkg_from_css(bio, wbc->wb->blkcg_css);
}
+void inode_switch_wbs_work_fn(struct work_struct *work);
+
#else /* CONFIG_CGROUP_WRITEBACK */
static inline void inode_attach_wb(struct inode *inode, struct folio *folio)