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From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Date: Mon, 13 Mar 2006 00:58:41 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc: 
Subject: cvs commit: src/sys/geom/mirror g_mirror.c g_mirror.h g_mirror_ctl.c
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pjd         2006-03-13 00:58:41 UTC

  FreeBSD src repository

  Modified files:
    sys/geom/mirror      g_mirror.c g_mirror.h g_mirror_ctl.c 
  Log:
  - Speed up synchronization process by using configurable number of I/O
    requests in parallel.
    + Add kern.geom.mirror.sync_requests tunable which defines how many parallel
      I/O requests should be used.
    + Retire kern.geom.mirror.reqs_per_sync and kern.geom.mirror.syncs_per_sec
      sysctls.
  - Fix race between regular and synchronization requests.
  - Reimplement mirror's data synchronization - do not use the topology lock
    for this purpose, as it may case deadlocks.
  - Stop synchronization from pre-sync hook.
  - Fix some other minor issues.
  
  MFC after:      3 days
  
  Revision  Changes    Path
  1.76      +476 -220  src/sys/geom/mirror/g_mirror.c
  1.21      +14 -5     src/sys/geom/mirror/g_mirror.h
  1.14      +69 -49    src/sys/geom/mirror/g_mirror_ctl.c