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From: "Tim J. Robbins" <tjr@FreeBSD.org>
Date: Fri, 20 Jun 2003 07:52:52 -0700 (PDT)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/fs/ntfs ntfs_subr.c
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tjr         2003/06/20 07:52:52 PDT

  FreeBSD src repository

  Modified files:
    sys/fs/ntfs          ntfs_subr.c 
  Log:
  Merge from NetBSD src/sys/ntfs/ntfs_subr.c 1.5 & 1.30 (jdolecek):
  - Avoid calling bread() with different sizes on the same blkno.
    Although the buffer cache is designed to handle differing size
    buffers, it erroneously tries to write the incorrectly-sized buffer
    buffer back to disk before reading the correctly-sized one, even
    when it's not dirty. This behaviour caused a panic for read-only
    NTFS mounts when INVARIANTS was enabled ("bundirty: buffer x still
    on queue y"), reported by NAKAJI Hiroyuki.
  - Fix a bug in the code handling holes: a variable was incremented
    instead of decremented, which could cause an infinite loop.
  
  Revision  Changes    Path
  1.30      +15 -1     src/sys/fs/ntfs/ntfs_subr.c