+ afs-convert-pagevec-to-folio_batch-in-afs_extend_writeback.patch added to mm-unstable branch

+ afs-convert-pagevec-to-folio_batch-in-afs_extend_writeback.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: afs: convert pagevec to folio_batch in afs_extend_writeback()
has been added to the -mm mm-unstable branch.  Its filename is
     afs-convert-pagevec-to-folio_batch-in-afs_extend_writeback.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/afs-convert-pagevec-to-folio_batch-in-afs_extend_writeback.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: afs: convert pagevec to folio_batch in afs_extend_writeback()
Date: Wed, 21 Jun 2023 17:45:45 +0100

Patch series "Remove pagevecs".

Removes a folio->page->folio conversion for each folio that's involved. 
More importantly, removes one of the last few uses of a pagevec.

Link: https://lkml.kernel.org/r/20230621164557.3510324-1-willy@infradead.org
Link: https://lkml.kernel.org/r/20230621164557.3510324-2-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/afs/write.c |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

--- a/fs/afs/write.c~afs-convert-pagevec-to-folio_batch-in-afs_extend_writeback
+++ a/fs/afs/write.c
@@ -465,7 +465,7 @@ static void afs_extend_writeback(struct
 				 bool caching,
 				 unsigned int *_len)
 {
-	struct pagevec pvec;
+	struct folio_batch fbatch;
 	struct folio *folio;
 	unsigned long priv;
 	unsigned int psize, filler = 0;
@@ -476,7 +476,7 @@ static void afs_extend_writeback(struct
 	unsigned int i;
 
 	XA_STATE(xas, &mapping->i_pages, index);
-	pagevec_init(&pvec);
+	folio_batch_init(&fbatch);
 
 	do {
 		/* Firstly, we gather up a batch of contiguous dirty pages
@@ -535,7 +535,7 @@ static void afs_extend_writeback(struct
 				stop = false;
 
 			index += folio_nr_pages(folio);
-			if (!pagevec_add(&pvec, &folio->page))
+			if (!folio_batch_add(&fbatch, folio))
 				break;
 			if (stop)
 				break;
@@ -545,14 +545,14 @@ static void afs_extend_writeback(struct
 			xas_pause(&xas);
 		rcu_read_unlock();
 
-		/* Now, if we obtained any pages, we can shift them to being
+		/* Now, if we obtained any folios, we can shift them to being
 		 * writable and mark them for caching.
 		 */
-		if (!pagevec_count(&pvec))
+		if (!folio_batch_count(&fbatch))
 			break;
 
-		for (i = 0; i < pagevec_count(&pvec); i++) {
-			folio = page_folio(pvec.pages[i]);
+		for (i = 0; i < folio_batch_count(&fbatch); i++) {
+			folio = fbatch.folios[i];
 			trace_afs_folio_dirty(vnode, tracepoint_string("store+"), folio);
 
 			if (!folio_clear_dirty_for_io(folio))
@@ -565,7 +565,7 @@ static void afs_extend_writeback(struct
 			folio_unlock(folio);
 		}
 
-		pagevec_release(&pvec);
+		folio_batch_release(&fbatch);
 		cond_resched();
 	} while (!stop);
 
_

Patches currently in -mm which might be from willy@infradead.org are

afs-convert-pagevec-to-folio_batch-in-afs_extend_writeback.patch
mm-add-__folio_batch_release.patch
scatterlist-add-sg_set_folio.patch
i915-convert-shmem_sg_free_table-to-use-a-folio_batch.patch
drm-convert-drm_gem_put_pages-to-use-a-folio_batch.patch
mm-remove-check_move_unevictable_pages.patch
pagevec-rename-fbatch_count.patch
i915-convert-i915_gpu_error-to-use-a-folio_batch.patch
net-convert-sunrpc-from-pagevec-to-folio_batch.patch
mm-remove-struct-pagevec.patch
mm-rename-invalidate_mapping_pagevec-to-mapping_try_invalidate.patch
mm-remove-references-to-pagevec.patch
mm-remove-unnecessary-pagevec-includes.patch