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@xxxxxxxxxxxxxxxx> --- fs/btrfs/ctree.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 01fcfcb..133e5c4 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -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 -- 1.8.0 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
