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Subject[PATCH 00/11] Remove remaining parts of congestion tracking code.
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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(-)

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