forked from luck/tmp_suning_uos_patched
btrfs: unexport can_overcommit
Now that we've moved all of the users to space-info.c, unexport it and name it back to can_overcommit. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: David Sterba <dsterba@suse.com>
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@ -182,10 +182,10 @@ static inline u64 calc_global_rsv_need_space(struct btrfs_block_rsv *global)
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return (global->size << 1);
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}
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int btrfs_can_overcommit(struct btrfs_fs_info *fs_info,
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struct btrfs_space_info *space_info, u64 bytes,
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enum btrfs_reserve_flush_enum flush,
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bool system_chunk)
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static int can_overcommit(struct btrfs_fs_info *fs_info,
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struct btrfs_space_info *space_info, u64 bytes,
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enum btrfs_reserve_flush_enum flush,
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bool system_chunk)
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{
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struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;
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u64 profile;
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@ -279,8 +279,7 @@ void btrfs_space_info_add_old_bytes(struct btrfs_fs_info *fs_info,
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* adding the ticket space would be a double count.
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*/
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if (check_overcommit &&
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!btrfs_can_overcommit(fs_info, space_info, 0, flush,
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false))
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!can_overcommit(fs_info, space_info, 0, flush, false))
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break;
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if (num_bytes >= ticket->bytes) {
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list_del_init(&ticket->list);
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@ -724,14 +723,14 @@ btrfs_calc_reclaim_metadata_size(struct btrfs_fs_info *fs_info,
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return to_reclaim;
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to_reclaim = min_t(u64, num_online_cpus() * SZ_1M, SZ_16M);
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if (btrfs_can_overcommit(fs_info, space_info, to_reclaim,
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BTRFS_RESERVE_FLUSH_ALL, system_chunk))
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if (can_overcommit(fs_info, space_info, to_reclaim,
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BTRFS_RESERVE_FLUSH_ALL, system_chunk))
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return 0;
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used = btrfs_space_info_used(space_info, true);
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if (btrfs_can_overcommit(fs_info, space_info, SZ_1M,
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BTRFS_RESERVE_FLUSH_ALL, system_chunk))
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if (can_overcommit(fs_info, space_info, SZ_1M,
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BTRFS_RESERVE_FLUSH_ALL, system_chunk))
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expected = div_factor_fine(space_info->total_bytes, 95);
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else
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expected = div_factor_fine(space_info->total_bytes, 90);
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@ -978,8 +977,8 @@ static int __reserve_metadata_bytes(struct btrfs_fs_info *fs_info,
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trace_btrfs_space_reservation(fs_info, "space_info",
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space_info->flags, orig_bytes, 1);
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ret = 0;
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} else if (btrfs_can_overcommit(fs_info, space_info, orig_bytes, flush,
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system_chunk)) {
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} else if (can_overcommit(fs_info, space_info, orig_bytes, flush,
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system_chunk)) {
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btrfs_space_info_update_bytes_may_use(fs_info, space_info,
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orig_bytes);
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trace_btrfs_space_reservation(fs_info, "space_info",
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@ -122,10 +122,6 @@ struct btrfs_space_info *btrfs_find_space_info(struct btrfs_fs_info *info,
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u64 btrfs_space_info_used(struct btrfs_space_info *s_info,
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bool may_use_included);
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void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
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int btrfs_can_overcommit(struct btrfs_fs_info *fs_info,
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struct btrfs_space_info *space_info, u64 bytes,
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enum btrfs_reserve_flush_enum flush,
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bool system_chunk);
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void btrfs_dump_space_info(struct btrfs_fs_info *fs_info,
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struct btrfs_space_info *info, u64 bytes,
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int dump_block_groups);
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