The quilt patch titled Subject: writeback: cleanup bdi_sched_wait() has been removed from the -mm tree. Its filename was writeback-cleanup-bdi_sched_wait.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: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx> Subject: writeback: cleanup bdi_sched_wait() Date: Wed, 13 Jul 2022 20:53:14 +0800 bdi_sched_wait() is no longer used since commit 839a8e8660b6 ("writeback: replace custom worker pool implementation with unbound workqueue"), so remove it. Link: https://lkml.kernel.org/r/20220713125314.171345-1-xiujianfeng@xxxxxxxxxx Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx> Reviewed-by: Jan Kara <jack@xxxxxxx> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx> Acked-by: Jens Axboe <axboe@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/backing-dev.h | 6 ------ 1 file changed, 6 deletions(-) --- a/include/linux/backing-dev.h~writeback-cleanup-bdi_sched_wait +++ a/include/linux/backing-dev.h @@ -140,12 +140,6 @@ static inline bool mapping_can_writeback return inode_to_bdi(mapping->host)->capabilities & BDI_CAP_WRITEBACK; } -static inline int bdi_sched_wait(void *word) -{ - schedule(); - return 0; -} - #ifdef CONFIG_CGROUP_WRITEBACK struct bdi_writeback *wb_get_lookup(struct backing_dev_info *bdi, _ Patches currently in -mm which might be from xiujianfeng@xxxxxxxxxx are writeback-cleanup-inode_to_wb_is_valid.patch