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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 20 Jan 2009 11:30:22 +0000 (UTC)
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Subject: cvs commit: src/sys/ufs/ffs ffs_inode.c ffs_vnops.c
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kib         2009-01-20 11:30:22 UTC

  FreeBSD src repository

  Modified files:
    sys/ufs/ffs          ffs_inode.c ffs_vnops.c 
  Log:
  SVN rev 187468 on 2009-01-20 11:30:22Z by kib
  
  When extending inode size, we call vnode_pager_setsize(), to have a
  address space where to put vnode pages, and then call UFS_BALLOC(),
  to actually allocate new block and map it. When UFS_BALLOC() returns
  error, sometimes we forget to revert the vm object size increase,
  allowing for the pages that are not backed by the logical disk blocks.
  
  Revert vnode_pager_setsize() back when UFS_BALLOC() failed, for
  ffs_truncate() and ffs_write().
  
  PR:     129956
  Reviewed by:    ups
  MFC after:      3 weeks
  
  Revision  Changes    Path
  1.115     +3 -1      src/sys/ufs/ffs/ffs_inode.c
  1.185     +3 -1      src/sys/ufs/ffs/ffs_vnops.c