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-rw-r--r--fs/jfs/jfs_metapage.c1
-rw-r--r--include/linux/mm.h4
-rw-r--r--include/linux/writeback.h2
-rw-r--r--mm/folio-compat.c7
-rw-r--r--mm/page-writeback.c30
5 files changed, 30 insertions, 14 deletions
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index 176580f54af9..104ae698443e 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -13,6 +13,7 @@
#include <linux/buffer_head.h>
#include <linux/mempool.h>
#include <linux/seq_file.h>
+#include <linux/writeback.h>
#include "jfs_incore.h"
#include "jfs_superblock.h"
#include "jfs_filsys.h"
diff --git a/include/linux/mm.h b/include/linux/mm.h
index dd5c6970ba67..23ab040aa65a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -36,9 +36,7 @@
struct mempolicy;
struct anon_vma;
struct anon_vma_chain;
-struct file_ra_state;
struct user_struct;
-struct writeback_control;
struct pt_regs;
extern int sysctl_page_lock_unfairness;
@@ -2003,8 +2001,6 @@ extern int try_to_release_page(struct page * page, gfp_t gfp_mask);
extern void do_invalidatepage(struct page *page, unsigned int offset,
unsigned int length);
-int redirty_page_for_writepage(struct writeback_control *wbc,
- struct page *page);
bool folio_mark_dirty(struct folio *folio);
bool set_page_dirty(struct page *page);
int set_page_dirty_lock(struct page *page);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 852100bea351..3571f383dfb6 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -399,6 +399,8 @@ static inline void account_page_redirty(struct page *page)
{
folio_account_redirty(page_folio(page));
}
+bool folio_redirty_for_writepage(struct writeback_control *, struct folio *);
+bool redirty_page_for_writepage(struct writeback_control *, struct page *);
void sb_mark_inode_writeback(struct inode *inode);
void sb_clear_inode_writeback(struct inode *inode);
diff --git a/mm/folio-compat.c b/mm/folio-compat.c
index 39f5a8d963b1..c1e01bc36d32 100644
--- a/mm/folio-compat.c
+++ b/mm/folio-compat.c
@@ -95,3 +95,10 @@ bool clear_page_dirty_for_io(struct page *page)
return folio_clear_dirty_for_io(page_folio(page));
}
EXPORT_SYMBOL(clear_page_dirty_for_io);
+
+bool redirty_page_for_writepage(struct writeback_control *wbc,
+ struct page *page)
+{
+ return folio_redirty_for_writepage(wbc, page_folio(page));
+}
+EXPORT_SYMBOL(redirty_page_for_writepage);
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 7ef904363fb7..a0c35a9d8029 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2575,21 +2575,31 @@ void folio_account_redirty(struct folio *folio)
}
EXPORT_SYMBOL(folio_account_redirty);
-/*
- * When a writepage implementation decides that it doesn't want to write this
- * page for some reason, it should redirty the locked page via
- * redirty_page_for_writepage() and it should then unlock the page and return 0
+/**
+ * folio_redirty_for_writepage - Decline to write a dirty folio.
+ * @wbc: The writeback control.
+ * @folio: The folio.
+ *
+ * When a writepage implementation decides that it doesn't want to write
+ * @folio for some reason, it should call this function, unlock @folio and
+ * return 0.
+ *
+ * Return: True if we redirtied the folio. False if someone else dirtied
+ * it first.
*/
-int redirty_page_for_writepage(struct writeback_control *wbc, struct page *page)
+bool folio_redirty_for_writepage(struct writeback_control *wbc,
+ struct folio *folio)
{
- int ret;
+ bool ret;
+ long nr = folio_nr_pages(folio);
+
+ wbc->pages_skipped += nr;
+ ret = filemap_dirty_folio(folio->mapping, folio);
+ folio_account_redirty(folio);
- wbc->pages_skipped++;
- ret = __set_page_dirty_nobuffers(page);
- account_page_redirty(page);
return ret;
}
-EXPORT_SYMBOL(redirty_page_for_writepage);
+EXPORT_SYMBOL(folio_redirty_for_writepage);
/**
* folio_mark_dirty - Mark a folio as being modified.