md/bitmap: Optimize lock contention.

[kpd-daemon]

Pull request for series with
subject: md/bitmap: Optimize lock contention.
version: 8
url: https://patchwork.kernel.org/project/linux-raid/list/?series=896547

[kpd-daemon]

Upstream branch: d981ed8
series: https://patchwork.kernel.org/project/linux-raid/list/?series=896547
version: 8

Pull request is NOT updated. Failed to apply https://patchwork.kernel.org/project/linux-raid/list/?series=896547
error message:

Cmd('git') failed due to: exit code(128)
  cmdline: git am --3way
  stdout: 'Applying: md/bitmap: Optimize lock contention.
Patch failed at 0001 md/bitmap: Optimize lock contention.'
  stderr: 'error: patch fragment without header at line 30: @@ -18,6 +20,11 @@ typedef __u16 bitmap_counter_t;
error: could not build fake ancestor
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"'

conflict: