[PATCH 11/14] sysv: Remove writepage implementation

From: Matthew Wilcox (Oracle)
Date: Fri Dec 15 2023 - 15:08:00 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/sysv/itree.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c
index 725981474e5f..410ab2a44d2f 100644
--- a/fs/sysv/itree.c
+++ b/fs/sysv/itree.c
@@ -8,6 +8,7 @@

#include <linux/buffer_head.h>
#include <linux/mount.h>
+#include <linux/mpage.h>
#include <linux/string.h>
#include "sysv.h"

@@ -456,9 +457,10 @@ int sysv_getattr(struct mnt_idmap *idmap, const struct path *path,
return 0;
}

-static int sysv_writepage(struct page *page, struct writeback_control *wbc)
+static int sysv_writepages(struct address_space *mapping,
+ struct writeback_control *wbc)
{
- return block_write_full_page(page,get_block,wbc);
+ return mpage_writepages(mapping, wbc, get_block);
}

static int sysv_read_folio(struct file *file, struct folio *folio)
@@ -503,8 +505,9 @@ const struct address_space_operations sysv_aops = {
.dirty_folio = block_dirty_folio,
.invalidate_folio = block_invalidate_folio,
.read_folio = sysv_read_folio,
- .writepage = sysv_writepage,
+ .writepages = sysv_writepages,
.write_begin = sysv_write_begin,
.write_end = generic_write_end,
+ .migrate_folio = buffer_migrate_folio,
.bmap = sysv_bmap
};
--
2.42.0