Btrfs: use root when checking need_async_flush
Instead of doing fs_info->fs_root in need_async_flush, which may not be set during recovery when mounting, just pass the root itself in, which makes more sense as thats what btrfs_calc_reclaim_metadata_size takes. Signed-off-by: Josef Bacik <jbacik@fb.com> Reported-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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@ -4936,7 +4936,7 @@ btrfs_calc_reclaim_metadata_size(struct btrfs_root *root,
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}
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}
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static inline int need_do_async_reclaim(struct btrfs_space_info *space_info,
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static inline int need_do_async_reclaim(struct btrfs_space_info *space_info,
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struct btrfs_fs_info *fs_info, u64 used)
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struct btrfs_root *root, u64 used)
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{
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{
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u64 thresh = div_factor_fine(space_info->total_bytes, 98);
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u64 thresh = div_factor_fine(space_info->total_bytes, 98);
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@ -4944,11 +4944,12 @@ static inline int need_do_async_reclaim(struct btrfs_space_info *space_info,
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if ((space_info->bytes_used + space_info->bytes_reserved) >= thresh)
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if ((space_info->bytes_used + space_info->bytes_reserved) >= thresh)
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return 0;
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return 0;
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if (!btrfs_calc_reclaim_metadata_size(fs_info->fs_root, space_info))
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if (!btrfs_calc_reclaim_metadata_size(root, space_info))
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return 0;
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return 0;
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return (used >= thresh && !btrfs_fs_closing(fs_info) &&
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return (used >= thresh && !btrfs_fs_closing(root->fs_info) &&
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!test_bit(BTRFS_FS_STATE_REMOUNTING, &fs_info->fs_state));
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!test_bit(BTRFS_FS_STATE_REMOUNTING,
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&root->fs_info->fs_state));
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}
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}
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static void wake_all_tickets(struct list_head *head)
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static void wake_all_tickets(struct list_head *head)
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@ -5193,7 +5194,7 @@ static int __reserve_metadata_bytes(struct btrfs_root *root,
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* the async reclaim as we will panic.
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* the async reclaim as we will panic.
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*/
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*/
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if (!root->fs_info->log_root_recovering &&
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if (!root->fs_info->log_root_recovering &&
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need_do_async_reclaim(space_info, root->fs_info, used) &&
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need_do_async_reclaim(space_info, root, used) &&
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!work_busy(&root->fs_info->async_reclaim_work)) {
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!work_busy(&root->fs_info->async_reclaim_work)) {
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trace_btrfs_trigger_flush(root->fs_info,
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trace_btrfs_trigger_flush(root->fs_info,
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space_info->flags,
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space_info->flags,
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