diff options
Diffstat (limited to 'fs/btrfs/delayed-ref.c')
| -rw-r--r-- | fs/btrfs/delayed-ref.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index 6cc80fb10da2..6b4296ab651f 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -195,48 +195,6 @@ void btrfs_dec_delayed_refs_rsv_bg_updates(struct btrfs_fs_info *fs_info) } /* - * Transfer bytes to our delayed refs rsv. - * - * @fs_info: the filesystem - * @num_bytes: number of bytes to transfer - * - * This transfers up to the num_bytes amount, previously reserved, to the - * delayed_refs_rsv. Any extra bytes are returned to the space info. - */ -void btrfs_migrate_to_delayed_refs_rsv(struct btrfs_fs_info *fs_info, - u64 num_bytes) -{ - struct btrfs_block_rsv *delayed_refs_rsv = &fs_info->delayed_refs_rsv; - u64 to_free = 0; - - spin_lock(&delayed_refs_rsv->lock); - if (delayed_refs_rsv->size > delayed_refs_rsv->reserved) { - u64 delta = delayed_refs_rsv->size - - delayed_refs_rsv->reserved; - if (num_bytes > delta) { - to_free = num_bytes - delta; - num_bytes = delta; - } - } else { - to_free = num_bytes; - num_bytes = 0; - } - - if (num_bytes) - delayed_refs_rsv->reserved += num_bytes; - if (delayed_refs_rsv->reserved >= delayed_refs_rsv->size) - delayed_refs_rsv->full = true; - spin_unlock(&delayed_refs_rsv->lock); - - if (num_bytes) - trace_btrfs_space_reservation(fs_info, "delayed_refs_rsv", - 0, num_bytes, 1); - if (to_free) - btrfs_space_info_free_bytes_may_use(fs_info, - delayed_refs_rsv->space_info, to_free); -} - -/* * Refill based on our delayed refs usage. * * @fs_info: the filesystem |