From: Filipe Manana Date: Mon, 13 May 2024 17:05:47 +0000 (+0100) Subject: btrfs: remove no longer used btrfs_migrate_to_delayed_refs_rsv() X-Git-Tag: io_uring-6.11-20240722~13^2~149 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=d153fc5573e9684f7082baa66a7f3f6371a4d04d;p=linux-block.git btrfs: remove no longer used btrfs_migrate_to_delayed_refs_rsv() The function btrfs_migrate_to_delayed_refs_rsv() is no longer used. Its last use was removed in commit 2f6397e448e6 ("btrfs: don't refill whole delayed refs block reserve when starting transaction"). So remove the function. Reviewed-by: Qu Wenruo Signed-off-by: Filipe Manana Reviewed-by: David Sterba Signed-off-by: David Sterba --- 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 @@ -194,48 +194,6 @@ void btrfs_dec_delayed_refs_rsv_bg_updates(struct btrfs_fs_info *fs_info) 0, released, 0); } -/* - * 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. * diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h index 04b180ebe1fe..405be46c420f 100644 --- a/fs/btrfs/delayed-ref.h +++ b/fs/btrfs/delayed-ref.h @@ -386,8 +386,6 @@ void btrfs_inc_delayed_refs_rsv_bg_updates(struct btrfs_fs_info *fs_info); void btrfs_dec_delayed_refs_rsv_bg_updates(struct btrfs_fs_info *fs_info); int btrfs_delayed_refs_rsv_refill(struct btrfs_fs_info *fs_info, enum btrfs_reserve_flush_enum flush); -void btrfs_migrate_to_delayed_refs_rsv(struct btrfs_fs_info *fs_info, - u64 num_bytes); bool btrfs_check_space_for_delayed_refs(struct btrfs_fs_info *fs_info); static inline u64 btrfs_delayed_ref_owner(struct btrfs_delayed_ref_node *node)