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Date: Thu, 10 Feb 2022 16:37:52 +1100 From: NeilBrown <neilb@...e.de> To: Andrew Morton <akpm@...ux-foundation.org>, Jan Kara <jack@...e.cz>, Wu Fengguang <fengguang.wu@...el.com>, Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <chao@...nel.org>, Jeff Layton <jlayton@...nel.org>, Ilya Dryomov <idryomov@...il.com>, Miklos Szeredi <miklos@...redi.hu>, Trond Myklebust <trond.myklebust@...merspace.com>, Anna Schumaker <anna.schumaker@...app.com>, Ryusuke Konishi <konishi.ryusuke@...il.com>, "Darrick J. Wong" <djwong@...nel.org>, Philipp Reisner <philipp.reisner@...bit.com>, Lars Ellenberg <lars.ellenberg@...bit.com>, Paolo Valente <paolo.valente@...aro.org>, Jens Axboe <axboe@...nel.dk> Cc: linux-doc@...r.kernel.org, linux-mm@...ck.org, linux-nilfs@...r.kernel.org, linux-nfs@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org, ceph-devel@...r.kernel.org, drbd-dev@...ts.linbit.com, linux-kernel@...r.kernel.org, linux-block@...r.kernel.org Subject: [PATCH 00/11] Remove remaining parts of congestion tracking code. Here is a refresh of my "remove congestion tracking" series. It makes some small changes to readahead so that the effect of the inode_read_congested() test in readahead can be duplicated in the filesystem. fuse uses this. It add some documentation for readahead, and for that to work, it cleans up related doco a bit. Andrew: please drop the version of this that is currently in your tree even if you don't take this. The changes to fuse/nfs/ceph are not appropriate. Thanks, NeilBrown --- NeilBrown (11): DOC: convert 'subsection' to 'section' in gfp.h MM: document and polish read-ahead code. MM: improve cleanup when ->readpages doesn't process all pages. fuse: remove reliance on bdi congestion nfs: remove reliance on bdi congestion ceph: remove reliance on bdi congestion Remove inode_congested() Remove bdi_congested() and wb_congested() and related functions f2fs: replace congestion_wait() calls with io_schedule_timeout() block/bfq-iosched.c: use "false" rather than "BLK_RW_ASYNC" Remove congestion tracking framework. Documentation/core-api/mm-api.rst | 19 ++++- Documentation/filesystems/vfs.rst | 16 ++-- block/bfq-iosched.c | 2 +- drivers/block/drbd/drbd_int.h | 3 - drivers/block/drbd/drbd_req.c | 3 +- fs/ceph/addr.c | 22 +++--- fs/ceph/super.c | 1 + fs/ceph/super.h | 1 + fs/ext2/ialloc.c | 5 -- fs/f2fs/compress.c | 4 +- fs/f2fs/data.c | 3 +- fs/f2fs/f2fs.h | 6 ++ fs/f2fs/segment.c | 8 +- fs/f2fs/super.c | 6 +- fs/fs-writeback.c | 37 --------- fs/fuse/control.c | 17 ---- fs/fuse/dev.c | 8 -- fs/fuse/file.c | 17 ++++ fs/nfs/write.c | 14 +++- fs/nilfs2/segbuf.c | 15 ---- fs/xfs/xfs_buf.c | 3 - include/linux/backing-dev-defs.h | 8 -- include/linux/backing-dev.h | 50 ------------ include/linux/fs.h | 9 ++- include/linux/nfs_fs_sb.h | 1 + include/trace/events/writeback.h | 28 ------- mm/backing-dev.c | 57 -------------- mm/fadvise.c | 5 +- mm/readahead.c | 126 +++++++++++++++++++++++++++--- mm/vmscan.c | 21 +---- 30 files changed, 214 insertions(+), 301 deletions(-) -- Signature
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