md: fix regression with re-adding devices to arrays with no metadata

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Commit 1a855a0606 (2.6.37-rc4) fixed a problem where devices were
re-added when they shouldn't be but caused a regression in a less
common case that means sometimes devices cannot be re-added when they
should be.

In particular, when re-adding a device to an array without metadata
we should always access the device, but after the above commit we
didn't.

This patch sets the In_sync flag in that case so that the re-add
succeeds.

This patch is suitable for any -stable kernel to which 1a855a0606 was
applied.

Cc: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>

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This commit is contained in:

NeilBrown 2011-01-12 09:03:35 +11:00

parent 3c0eee3fe6

commit bf572541ab

1 changed files with 3 additions and 2 deletions

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drivers/md/md.c

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