From owner-cvs-all  Tue May  8  0:29: 7 2001
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From: Kirk McKusick <mckusick@FreeBSD.org>
Date: Tue, 8 May 2001 00:29:03 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/ufs/ffs ffs_snapshot.c
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mckusick    2001/05/08 00:29:03 PDT

  Modified files:
    sys/ufs/ffs          ffs_snapshot.c 
  Log:
  Several fixes for units errors:
  1) Do not assume that the superblock will be of size fs->fs_bsize.
     This fixes a panic when taking a snapshot on a filesystem with
     a block size bigger than 8K.
  2) Properly calculate the number of fragments that follow the
     superblock summary information. This fixes a bug with inconsistent
     snapshots.
  3) When cleaning up a snapshot that is about to be removed, properly
     calculate the number of blocks that need to be checked. This fixes
     a bug that created partially allocated inodes.
  4) When moving blocks from a snapshot that is about to be removed
     to another snapshot, properly account for the reduced number of
     blocks in the snapshot from which they are taken. This fixes a
     bug in which the number of blocks released from a snapshot did not
     match the number that it claimed to have.
  
  Revision  Changes    Path
  1.20      +20 -11    src/sys/ufs/ffs/ffs_snapshot.c


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