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From: Xin LI <delphij@FreeBSD.org>
Date: Mon, 25 Jun 2007 18:46:14 +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/fs/tmpfs tmpfs.h tmpfs_subr.c tmpfs_uma.c
 tmpfs_uma.h tmpfs_vfsops.c tmpfs_vnops.c
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delphij     2007-06-25 18:46:14 UTC

  FreeBSD src repository

  Modified files:
    sys/fs/tmpfs         tmpfs.h tmpfs_subr.c tmpfs_uma.c 
                         tmpfs_uma.h tmpfs_vfsops.c tmpfs_vnops.c 
  Log:
  MFp4: Several clean-ups and improvements over tmpfs:
  
   - Remove tmpfs_zone_xxx KPI, the uma(9) wrapper, since
     they does not bring any value now.
   - Use |= instead of = when applying VV_ROOT flag.
   - Remove tm_avariable_nodes list.  Use uma to hold the
     released nodes.
   - init/destory interlock mutex of node when init/fini
     instead of ctor/dtor.
   - Change memory computing using u_int to fix negative
     value in 2G mem machine.
   - Remove unnecessary bzero's
   - Rely uma logic to make file id allocation harder to
     guess.
   - Fix some unsigned/signed related things.  Make sure
     we respect -o size=xxxx
   - Use wire instead of hold a page.
   - Pass allocate_zero to obtain zeroed pages upon first
     use.
  
  Submitted by:   Howard Su
  Approved by:    re (tmpfs blanket, kensmith)
  
  Revision  Changes    Path
  1.2       +8 -5      src/sys/fs/tmpfs/tmpfs.h
  1.4       +13 -52    src/sys/fs/tmpfs/tmpfs_subr.c
  1.2       +6 -18     src/sys/fs/tmpfs/tmpfs_uma.c
  1.2       +5 -17     src/sys/fs/tmpfs/tmpfs_uma.h
  1.2       +70 -23    src/sys/fs/tmpfs/tmpfs_vfsops.c
  1.3       +4 -7      src/sys/fs/tmpfs/tmpfs_vnops.c