space-info.c (03551d651e9d8ff5b310f9038581b2b030daeb87) space-info.c (8a526c44daeeb14df0f6e3147a58b4b996968830)
1// SPDX-License-Identifier: GPL-2.0
2
3#include "misc.h"
4#include "ctree.h"
5#include "space-info.h"
6#include "sysfs.h"
7#include "volumes.h"
8#include "free-space-cache.h"

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551
552 bytes = btrfs_calc_insert_metadata_size(fs_info, 1);
553 nr = div64_u64(to_reclaim, bytes);
554 if (!nr)
555 nr = 1;
556 return nr;
557}
558
1// SPDX-License-Identifier: GPL-2.0
2
3#include "misc.h"
4#include "ctree.h"
5#include "space-info.h"
6#include "sysfs.h"
7#include "volumes.h"
8#include "free-space-cache.h"

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551
552 bytes = btrfs_calc_insert_metadata_size(fs_info, 1);
553 nr = div64_u64(to_reclaim, bytes);
554 if (!nr)
555 nr = 1;
556 return nr;
557}
558
559static inline u64 calc_delayed_refs_nr(const struct btrfs_fs_info *fs_info,
560 u64 to_reclaim)
561{
562 const u64 bytes = btrfs_calc_delayed_ref_bytes(fs_info, 1);
563 u64 nr;
564
565 nr = div64_u64(to_reclaim, bytes);
566 if (!nr)
567 nr = 1;
568 return nr;
569}
570
571#define EXTENT_SIZE_PER_ITEM SZ_256K
572
573/*
574 * shrink metadata reservation for delalloc
575 */
576static void shrink_delalloc(struct btrfs_fs_info *fs_info,
577 struct btrfs_space_info *space_info,
578 u64 to_reclaim, bool wait_ordered,

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744 trans = btrfs_join_transaction_nostart(root);
745 if (IS_ERR(trans)) {
746 ret = PTR_ERR(trans);
747 if (ret == -ENOENT)
748 ret = 0;
749 break;
750 }
751 if (state == FLUSH_DELAYED_REFS_NR)
559#define EXTENT_SIZE_PER_ITEM SZ_256K
560
561/*
562 * shrink metadata reservation for delalloc
563 */
564static void shrink_delalloc(struct btrfs_fs_info *fs_info,
565 struct btrfs_space_info *space_info,
566 u64 to_reclaim, bool wait_ordered,

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732 trans = btrfs_join_transaction_nostart(root);
733 if (IS_ERR(trans)) {
734 ret = PTR_ERR(trans);
735 if (ret == -ENOENT)
736 ret = 0;
737 break;
738 }
739 if (state == FLUSH_DELAYED_REFS_NR)
752 nr = calc_delayed_refs_nr(fs_info, num_bytes);
740 btrfs_run_delayed_refs(trans, num_bytes);
753 else
741 else
754 nr = 0;
755 btrfs_run_delayed_refs(trans, nr);
742 btrfs_run_delayed_refs(trans, 0);
756 btrfs_end_transaction(trans);
757 break;
758 case ALLOC_CHUNK:
759 case ALLOC_CHUNK_FORCE:
760 trans = btrfs_join_transaction(root);
761 if (IS_ERR(trans)) {
762 ret = PTR_ERR(trans);
763 break;

--- 1089 unchanged lines hidden --- 		743 btrfs_end_transaction(trans);
744 break;
745 case ALLOC_CHUNK:
746 case ALLOC_CHUNK_FORCE:
747 trans = btrfs_join_transaction(root);
748 if (IS_ERR(trans)) {
749 ret = PTR_ERR(trans);
750 break;

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