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btrfs: factor btrfs_init_qgroup() out of open_ctree()

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Signed-off-by: Eric Sandeen <sandeen@redhat.com>
[renamed to btrfs_init_qgroup]
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
Eric Sandeen 2014-08-01 18:12:42 -05:00 committed by David Sterba
parent ad6183680c
commit f9e92e40b5
1 changed files with 15 additions and 11 deletions
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26
fs/btrfs/disk-io.c
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@ -2209,6 +2209,20 @@ static void btrfs_init_dev_replace_locks(struct btrfs_fs_info *fs_info)
init_waitqueue_head(&fs_info->replace_wait);
}
static void btrfs_init_qgroup(struct btrfs_fs_info *fs_info)
{
spin_lock_init(&fs_info->qgroup_lock);
mutex_init(&fs_info->qgroup_ioctl_lock);
fs_info->qgroup_tree = RB_ROOT;
fs_info->qgroup_op_tree = RB_ROOT;
INIT_LIST_HEAD(&fs_info->dirty_qgroups);
fs_info->qgroup_seq = 1;
fs_info->quota_enabled = 0;
fs_info->pending_quota_state = 0;
fs_info->qgroup_ulist = NULL;
mutex_init(&fs_info->qgroup_rescan_lock);
}
int open_ctree(struct super_block *sb,
struct btrfs_fs_devices *fs_devices,
char *options)
@ -2395,17 +2409,7 @@ int open_ctree(struct super_block *sb,
sema_init(&fs_info->uuid_tree_rescan_sem, 1);
btrfs_init_dev_replace_locks(fs_info);
spin_lock_init(&fs_info->qgroup_lock);
mutex_init(&fs_info->qgroup_ioctl_lock);
fs_info->qgroup_tree = RB_ROOT;
fs_info->qgroup_op_tree = RB_ROOT;
INIT_LIST_HEAD(&fs_info->dirty_qgroups);
fs_info->qgroup_seq = 1;
fs_info->quota_enabled = 0;
fs_info->pending_quota_state = 0;
fs_info->qgroup_ulist = NULL;
mutex_init(&fs_info->qgroup_rescan_lock);
btrfs_init_qgroup(fs_info);
btrfs_init_free_cluster(&fs_info->meta_alloc_cluster);
btrfs_init_free_cluster(&fs_info->data_alloc_cluster);