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Revert "md: improve partition detection in md array"

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This reverts commit 5b479c91da.

Quoth Neil Brown:

  "It causes an oops when auto-detecting raid arrays, and it doesn't
   seem easy to fix.

   The array may not be 'open' when do_md_run is called, so
   bdev->bd_disk might be NULL, so bd_set_size can oops.

   This whole approach of opening an md device before it has been
   assembled just seems to get more and more painful.  I think I'm going
   to have to come up with something clever to provide both backward
   comparability with usage expectation, and sane integration into the
   rest of the kernel."

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2007-05-09 18:51:36 -07:00
parent 497f050c42
commit 44ce6294d0
4 changed files with 22 additions and 8 deletions
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1
include/linux/raid/md_k.h
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@ -201,6 +201,7 @@ struct mddev_s
struct mutex reconfig_mutex;
atomic_t active;
int changed; /* true if we might need to reread partition info */
int degraded; /* whether md should consider
* adding a spare
*/