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Subject[PATCH 0/7] Per-bdi writeback flusher threads v15
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Hi,

Here's the 15th version of the writeback patches. Changes since v14:

- Collapsed a few patches and got rid of the multiple thread support.
The work items remain, it's been well tested and means that you
can queue work for a bdi without blocking and waiting for it to
finish the existing work. Lazy exit is now included in the
first patch.
- I kept the 'remove pdflush' patch separate. The main patch is
already big enough, and thinking about it, I think it makes sense
to retain as a separate patch.

Christoph, let me know if there are things you are still not happy
with and I will reply/address them. Note that this series has only
received a light testing. This means that it boots and seems to work
(flushes data on sync and at intervals) and does not corrupt data,
but it hasn't received a thorough testing yet. That will come tomorrow.
But I wanted to push this out there, so we can settle the code base
quickly again.

b/block/blk-core.c | 1
b/drivers/block/aoe/aoeblk.c | 1
b/drivers/char/mem.c | 1
b/fs/btrfs/disk-io.c | 1
b/fs/buffer.c | 2
b/fs/char_dev.c | 1
b/fs/configfs/inode.c | 1
b/fs/fs-writeback.c | 907 ++++++++++++++++++++++++----------
b/fs/fuse/inode.c | 1
b/fs/hugetlbfs/inode.c | 1
b/fs/nfs/client.c | 1
b/fs/ocfs2/dlm/dlmfs.c | 1
b/fs/ramfs/inode.c | 1
b/fs/super.c | 3
b/fs/sync.c | 2
b/fs/sysfs/inode.c | 1
b/fs/ubifs/super.c | 1
b/include/linux/backing-dev.h | 57 ++
b/include/linux/fs.h | 10
b/include/linux/writeback.h | 19
b/kernel/cgroup.c | 1
b/kernel/sysctl.c | 8
b/mm/Makefile | 2
b/mm/backing-dev.c | 379 +++++++++++++-
b/mm/page-writeback.c | 165 +-----
b/mm/swap_state.c | 1
b/mm/vmscan.c | 2
mm/pdflush.c | 269 ----------
28 files changed, 1145 insertions(+), 695 deletions(-)

--
Jens Axboe



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