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btrfs: use mask for all RAID1* profiles in btrfs_calc_avail_data_space

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There's a sequence of hard coded values for RAID1 profiles that are
already stored in the raid_attr table that should be used instead.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2022-06-23 16:57:00 +02:00
parent e26b04c4c9
commit d09cb9e188
1 changed files with 2 additions and 6 deletions
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8
fs/btrfs/super.c
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@ -2243,12 +2243,8 @@ static inline int btrfs_calc_avail_data_space(struct btrfs_fs_info *fs_info,
if (type & BTRFS_BLOCK_GROUP_RAID0)
num_stripes = nr_devices;
else if (type & BTRFS_BLOCK_GROUP_RAID1)
num_stripes = 2;
else if (type & BTRFS_BLOCK_GROUP_RAID1C3)
num_stripes = 3;
else if (type & BTRFS_BLOCK_GROUP_RAID1C4)
num_stripes = 4;
else if (type & BTRFS_BLOCK_GROUP_RAID1_MASK)
num_stripes = rattr->ncopies;
else if (type & BTRFS_BLOCK_GROUP_RAID10)
num_stripes = 4;