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Btrfs: remove unused function btrfs_add_delayed_qgroup_reserve()

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No longer used as of commit 5846a3c268 ("btrfs: qgroup: Fix a race in
delayed_ref which leads to abort trans").

Signed-off-by: Filipe Manana <fdmanana@suse.com>
This commit is contained in:
Filipe Manana 2016-08-03 11:01:32 +01:00
parent 44f714dae5
commit e657149933
2 changed files with 0 additions and 30 deletions
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27
fs/btrfs/delayed-ref.c
View File

@ -861,33 +861,6 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info,
return 0;
}
int btrfs_add_delayed_qgroup_reserve(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans,
u64 ref_root, u64 bytenr, u64 num_bytes)
{
struct btrfs_delayed_ref_root *delayed_refs;
struct btrfs_delayed_ref_head *ref_head;
int ret = 0;
if (!fs_info->quota_enabled || !is_fstree(ref_root))
return 0;
delayed_refs = &trans->transaction->delayed_refs;
spin_lock(&delayed_refs->lock);
ref_head = find_ref_head(&delayed_refs->href_root, bytenr, 0);
if (!ref_head) {
ret = -ENOENT;
goto out;
}
WARN_ON(ref_head->qgroup_reserved || ref_head->qgroup_ref_root);
ref_head->qgroup_ref_root = ref_root;
ref_head->qgroup_reserved = num_bytes;
out:
spin_unlock(&delayed_refs->lock);
return ret;
}
int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans,
u64 bytenr, u64 num_bytes,

3
fs/btrfs/delayed-ref.h
View File

@ -250,9 +250,6 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info,
u64 parent, u64 ref_root,
u64 owner, u64 offset, u64 reserved, int action,
struct btrfs_delayed_extent_op *extent_op);
int btrfs_add_delayed_qgroup_reserve(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans,
u64 ref_root, u64 bytenr, u64 num_bytes);
int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans,
u64 bytenr, u64 num_bytes,