1. 06 8月, 2008 9 次提交
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  15. 30 5月, 2008 2 次提交
  16. 25 5月, 2008 1 次提交
    • M
      brd: don't show ramdisks in /proc/partitions · 53978d0a
      Marcin Krol 提交于
      In 2.6.25, ramdisk devices show up in /proc/partitions, which is a
      behaviour change from the old rd.c.  Add GENHD_FL_SUPPRESS_PARTITION_INFO,
      which was present in rd.c.
      
      All kernels prior to 2.6.25 weren't displaying ramdisks in
      /proc/partitions.  Since there are many userspace tools using information
      from /proc/partitions some of them may now behave incorrectly (I didn't
      tested any though).  For example before 2.6.25 /proc/partitions was empty
      if no block devices like hard disks and such were detected by kernel.  Now
      all 16 ramdisks are always visible there.  Some software may rely on such
      information (I mean, on empty /proc/partitions).
      
      There was quite similar situation back in 2004, and ramdisks were excluded
      back from displaying.  Thats why I called this a regression (maybe a bit
      unfortunate).  See this patch for info:
      http://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.3-rc2/2.6.3-rc2-mm1/broken-out/nbd-proc-partitions-fix.patch
      
      I also think that someone somewhere (long time ago) excluded ramdisks from
      /proc/partitions for good reasons.  It is possible that now such new
      "feature" is harmless, but I think there are more chances that someone
      will say "hey, /proc/partitions has changed, now my software doesn't work"
      then "hey where did my new 2.6.25 feature go".  nbd devices are also
      excluded, maybe for very same (unknown to me) reasons.
      Signed-off-by: NMarcin Krol <hawk@pld-linux.org>
      Signed-off-by: NNick Piggin <npiggin@suse.de>
      Cc: <stable@kernel.org>
      Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
      Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
      53978d0a
  17. 23 5月, 2008 1 次提交
  18. 19 5月, 2008 1 次提交