Re: [PATCH v8 0/2] improve sync efficiency with sb inode wb list

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On Wed 22-06-16 07:23:11, Brian Foster wrote:
> This is just a rebase to linus' latest master. I haven't heard any
> feedback on this one so Jan suggested I send to a wider audience.

Yeah. Brian is sending these patches for a few months and they get ignored.
Andrew, can you please pick them up if Al doesn't? Thanks!

								Honza

> v8:
> - Rebased to latest master.
> - Added Holger's Tested-by.
> v7: http://marc.info/?l=linux-fsdevel&m=145349651407631&w=2
> - Updated patch 1/2 commit log description to reference performance
>   impact.
> v6: http://marc.info/?l=linux-fsdevel&m=145322635828644&w=2
> - Use rcu locking instead of s_inode_list_lock spinlock in
>   wait_sb_inodes().
> - Refactor wait_sb_inodes() to keep inode on wb list.
> - Drop remaining, unnecessary lazy list removal bits and relocate inode
>   list check to clear_inode().
> - Fix up some comments, etc.
> v5: http://marc.info/?l=linux-fsdevel&m=145262374402798&w=2
> - Converted from per-bdi list to per-sb list. Also marked as RFC and
>   dropped testing/review tags.
> - Updated to use new irq-safe lock for wb list.
> - Dropped lazy list removal. Inodes are removed when the mapping is
>   cleared of the writeback tag.
> - Tweaked wait_sb_inodes() to remove deferred iput(), other cleanups.
> - Added wb list tracepoint patch.
> v4: http://marc.info/?l=linux-fsdevel&m=143511628828000&w=2
> 
> Brian Foster (1):
>   wb: inode writeback list tracking tracepoints
> 
> Dave Chinner (1):
>   sb: add a new writeback list for sync
> 
>  fs/fs-writeback.c                | 111 ++++++++++++++++++++++++++++++---------
>  fs/inode.c                       |   2 +
>  fs/super.c                       |   2 +
>  include/linux/fs.h               |   4 ++
>  include/linux/writeback.h        |   3 ++
>  include/trace/events/writeback.h |  22 ++++++--
>  mm/page-writeback.c              |  18 +++++++
>  7 files changed, 133 insertions(+), 29 deletions(-)
> 
> -- 
> 2.5.5
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
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