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Btrfs: increase BTRFS_MAX_MIRRORS by one for dev replace

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This change of the define is effective in all modes, it
is required and used only in the case when a device replace
procedure is running. The reason is that during an active
device replace procedure, the target device of the copy
operation is a mirror for the filesystem data as well that
can be used to read data in order to repair read errors on
other disks.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Stefan Behrens 2012-11-06 14:57:46 +01:00 committed by Josef Bacik
parent 30d9861ff9
commit 72d7aefccd
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/ctree.h
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@ -48,7 +48,7 @@ struct btrfs_ordered_sum;
#define BTRFS_MAGIC "_BHRfS_M"
#define BTRFS_MAX_MIRRORS 2
#define BTRFS_MAX_MIRRORS 3
#define BTRFS_MAX_LEVEL 8