[PATCH 10/14] ocfs2: Remove writepage implementation

From: Matthew Wilcox (Oracle)
Date: Fri Dec 15 2023 - 15:05:26 EST


If the filesystem implements migrate_folio and writepages, there is
no need for a writepage implementation.

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
fs/ocfs2/aops.c | 15 ++++++---------
fs/ocfs2/ocfs2_trace.h | 2 --
2 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 795997806326..b82185075de7 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -389,21 +389,18 @@ static void ocfs2_readahead(struct readahead_control *rac)
/* Note: Because we don't support holes, our allocation has
* already happened (allocation writes zeros to the file data)
* so we don't have to worry about ordered writes in
- * ocfs2_writepage.
+ * ocfs2_writepages.
*
- * ->writepage is called during the process of invalidating the page cache
+ * ->writepages is called during the process of invalidating the page cache
* during blocked lock processing. It can't block on any cluster locks
* to during block mapping. It's relying on the fact that the block
* mapping can't have disappeared under the dirty pages that it is
* being asked to write back.
*/
-static int ocfs2_writepage(struct page *page, struct writeback_control *wbc)
+static int ocfs2_writepages(struct address_space *mapping,
+ struct writeback_control *wbc)
{
- trace_ocfs2_writepage(
- (unsigned long long)OCFS2_I(page->mapping->host)->ip_blkno,
- page->index);
-
- return block_write_full_page(page, ocfs2_get_block, wbc);
+ return mpage_writepages(mapping, wbc, ocfs2_get_block);
}

/* Taken from ext3. We don't necessarily need the full blown
@@ -2471,7 +2468,7 @@ const struct address_space_operations ocfs2_aops = {
.dirty_folio = block_dirty_folio,
.read_folio = ocfs2_read_folio,
.readahead = ocfs2_readahead,
- .writepage = ocfs2_writepage,
+ .writepages = ocfs2_writepages,
.write_begin = ocfs2_write_begin,
.write_end = ocfs2_write_end,
.bmap = ocfs2_bmap,
diff --git a/fs/ocfs2/ocfs2_trace.h b/fs/ocfs2/ocfs2_trace.h
index ac4fd1d5b128..9898c11bdfa1 100644
--- a/fs/ocfs2/ocfs2_trace.h
+++ b/fs/ocfs2/ocfs2_trace.h
@@ -1157,8 +1157,6 @@ DEFINE_OCFS2_ULL_ULL_EVENT(ocfs2_get_block_end);

DEFINE_OCFS2_ULL_ULL_EVENT(ocfs2_readpage);

-DEFINE_OCFS2_ULL_ULL_EVENT(ocfs2_writepage);
-
DEFINE_OCFS2_ULL_ULL_EVENT(ocfs2_bmap);

TRACE_EVENT(ocfs2_try_to_write_inline_data,
--
2.42.0