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btrfs-progs: cache csum_type in recover_control 

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

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Johannes Thumshirn 2019-09-03 17:00:36 +02:00 committed by David Sterba
parent af56955876
commit b8f3290fe6
1 changed files with 2 additions and 0 deletions
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2
cmds/rescue-chunk-recover.c
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@ -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) {