minix: remove writepage implementation

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

Link: https://lkml.kernel.org/r/20231215200245.748418-10-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index f8af6c3ae336aa41faff1f805a38f7e60673aede..73f37f298087d14b6201962c21706b6bab5a8374 100644 (file)
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -17,6 +17,7 @@
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/highuid.h>
+#include <linux/mpage.h>
 #include <linux/vfs.h>
 #include <linux/writeback.h>
 
@@ -397,9 +398,10 @@ static int minix_get_block(struct inode *inode, sector_t block,
                return V2_minix_get_block(inode, block, bh_result, create);
 }
 
-static int minix_writepage(struct page *page, struct writeback_control *wbc)
+static int minix_writepages(struct address_space *mapping,
+               struct writeback_control *wbc)
 {
-       return block_write_full_page(page, minix_get_block, wbc);
+       return mpage_writepages(mapping, wbc, minix_get_block);
 }
 
 static int minix_read_folio(struct file *file, struct folio *folio)
@@ -444,9 +446,10 @@ static const struct address_space_operations minix_aops = {
        .dirty_folio    = block_dirty_folio,
        .invalidate_folio = block_invalidate_folio,
        .read_folio = minix_read_folio,
-       .writepage = minix_writepage,
+       .writepages = minix_writepages,
        .write_begin = minix_write_begin,
        .write_end = generic_write_end,
+       .migrate_folio = buffer_migrate_folio,
        .bmap = minix_bmap,
        .direct_IO = noop_direct_IO
 };