The quilt patch titled Subject: sysv: remove writepage implementation has been removed from the -mm tree. Its filename was sysv-remove-writepage-implementation.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> Subject: sysv: remove writepage implementation Date: Fri, 15 Dec 2023 20:02:42 +0000 If the filesystem implements migrate_folio and writepages, there is no need for a writepage implementation. Link: https://lkml.kernel.org/r/20231215200245.748418-12-willy@xxxxxxxxxxxxx Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Reviewed-by: Jens Axboe <axboe@xxxxxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/sysv/itree.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) --- a/fs/sysv/itree.c~sysv-remove-writepage-implementation +++ a/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 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 sy .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 }; _ Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are mm-remove-inc-dec-lruvec-page-state-functions.patch slub-use-alloc_pages_node-in-alloc_slab_page.patch slub-use-folio-apis-in-free_large_kmalloc.patch slub-use-a-folio-in-__kmalloc_large_node.patch mm-khugepaged-use-a-folio-more-in-collapse_file.patch mm-memcontrol-remove-__mod_lruvec_page_state.patch