Cache the super-block's checksum type field in 'struct recover_control'.
This will be needed for further refactoring the checksum handling.

Signed-off-by: Johannes Thumshirn <jthumsh...@suse.de>
---
 cmds/rescue-chunk-recover.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cmds/rescue-chunk-recover.c b/cmds/rescue-chunk-recover.c
index 608af9d49407..308731ea5ea6 100644
--- a/cmds/rescue-chunk-recover.c
+++ b/cmds/rescue-chunk-recover.c
@@ -47,6 +47,7 @@ struct recover_control {
        int yes;
 
        u16 csum_size;
+       u16 csum_type;
        u32 sectorsize;
        u32 nodesize;
        u64 generation;
@@ -1530,6 +1531,7 @@ static int recover_prepare(struct recover_control *rc, 
const char *path)
        rc->generation = btrfs_super_generation(sb);
        rc->chunk_root_generation = btrfs_super_chunk_root_generation(sb);
        rc->csum_size = btrfs_super_csum_size(sb);
+       rc->csum_type = btrfs_super_csum_type(sb);
 
        /* if seed, the result of scanning below will be partial */
        if (btrfs_super_flags(sb) & BTRFS_SUPER_FLAG_SEEDING) {
-- 
2.16.4

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