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btrfs-progs: kernel-shared: track missing devices number

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Maintain the btrfs_fs_devices::missing counter to track the number of
missing devices, similar to what kernel does.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2023-08-03 07:29:40 +08:00 committed by David Sterba
parent b8b0f1ec41
commit 4673ec037e
2 changed files with 3 additions and 0 deletions
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2
kernel-shared/volumes.c
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@ -2156,6 +2156,7 @@ static int read_one_chunk(struct btrfs_fs_info *fs_info, struct btrfs_key *key,
(unsigned long long)devid);
list_add(&map->stripes[i].dev->dev_list,
&fs_info->fs_devices->devices);
fs_info->fs_devices->missing_devices++;
}
}
@ -2258,6 +2259,7 @@ static int read_one_dev(struct btrfs_fs_info *fs_info,
device->fd = -1;
list_add(&device->dev_list,
&fs_info->fs_devices->devices);
fs_info->fs_devices->missing_devices++;
}
fill_device_from_item(leaf, dev_item, device);

1
kernel-shared/volumes.h
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@ -88,6 +88,7 @@ struct btrfs_fs_devices {
u64 latest_trans;
u64 lowest_devid;
u64 missing_devices;
u64 total_rw_bytes;
int latest_bdev;