Re: [PATCH 00/12 v5] locks: avoid thundering-herd wake-ups

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On Mon, 2018-11-12 at 12:14 +1100, NeilBrown wrote:
> Changes:
>  - field names improved as requested by Bruce.
>    "fl_blocked_requests" is a list of blocked requests,
>    linked through fl_block_member
>  - the introductory text has been moved to a commit comment
>    as suggested by Bruce
>  - documentation added to locks.c as suggested by Bruce - I made
>    a few little changes
>  - flock_make_lock() now properly initialized a lock - using
>    the code from Jeff
>  - code actually compiles for ocfs2 and gfs2
> 
> Thanks,
> NeilBrown
> 
> 
> ---
> 
> NeilBrown (12):
>       fs/locks: rename some lists and pointers.
>       fs/locks: split out __locks_wake_up_blocks().
>       NFS: use locks_copy_lock() to copy locks.
>       gfs2: properly initial file_lock used for unlock.
>       ocfs2: properly initial file_lock used for unlock.
>       locks: use properly initialized file_lock when unlocking.
>       fs/locks: allow a lock request to block other requests.
>       fs/locks: always delete_block after waiting.
>       fs/locks: change all *_conflict() functions to return bool.
>       fs/locks: create a tree of dependent requests.
>       locks: merge posix_unblock_lock() and locks_delete_block()
>       VFS: locks: remove unnecessary white space.
> 
> 
>  fs/cifs/file.c                  |    4 
>  fs/gfs2/file.c                  |   10 +
>  fs/lockd/svclock.c              |    2 
>  fs/locks.c                      |  319 ++++++++++++++++++++++++---------------
>  fs/nfs/nfs4proc.c               |    6 -
>  fs/nfsd/nfs4state.c             |    6 -
>  fs/ocfs2/locks.c                |   10 +
>  include/linux/fs.h              |   13 +-
>  include/trace/events/filelock.h |   16 +-
>  9 files changed, 230 insertions(+), 156 deletions(-)
> 
> --
> Signature
> 

Thanks Neil,

I'll pull this into locks-next. I also went ahead and fixed up the
comment that Bruce pointed out.
-- 
Jeff Layton <jlayton@xxxxxxxxxx>




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