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Btrfs: introduce common define for max number of mirrors

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Readahead already has a define for the max number of mirrors. Scrub
needs such a define now, the rest of the code will need something
like this soon. Therefore the define was added to ctree.h and removed
from the readahead code.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Stefan Behrens
2012-03-27 14:21:26 -04:00
committed by Chris Mason
parent ea46679408
commit 94598ba8d8
2 changed files with 7 additions and 5 deletions
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2
fs/btrfs/ctree.h
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@@ -48,6 +48,8 @@ struct btrfs_ordered_sum;
#define BTRFS_MAGIC "_BHRfS_M"
#define BTRFS_MAX_MIRRORS 2
#define BTRFS_MAX_LEVEL 8
#define BTRFS_COMPAT_EXTENT_TREE_V0