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btrfs: qgroup: Don't use root->qgroup_meta_rsv for qgroup

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Since qgroup has seperate metadata reservation types now, we can
completely get rid of the old root->qgroup_meta_rsv, which mostly acts
as current META_PERTRANS reservation type.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2017-12-12 15:34:30 +08:00 • committed by David Sterba
parent 733e03a0b2
commit e1211d0e89
3 changed files with 24 additions and 13 deletions
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1
fs/btrfs/disk-io.c
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@ -1163,7 +1163,6 @@ static void __setup_root(struct btrfs_root *root, struct btrfs_fs_info *fs_info,
atomic_set(&root->orphan_inodes, 0);
refcount_set(&root->refs, 1);
atomic_set(&root->will_be_snapshotted, 0);
atomic64_set(&root->qgroup_meta_rsv, 0);
root->log_transid = 0;
root->log_transid_committed = -1;
root->last_log_commit = 0;