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btrfs: skip LOOP_NO_EMPTY_SIZE if not clustered allocation

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LOOP_NO_EMPTY_SIZE is solely dedicated for clustered allocation. So, we
can skip this stage and give up the allocation.

Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Naohiro Aota 2020-02-25 12:56:25 +09:00 committed by David Sterba
parent c70e2139dc
commit 45d8e033b2
1 changed files with 3 additions and 0 deletions
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3
fs/btrfs/extent-tree.c
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@ -3835,6 +3835,9 @@ static int find_free_extent_update_loop(struct btrfs_fs_info *fs_info,
}
if (ffe_ctl->loop == LOOP_NO_EMPTY_SIZE) {
if (ffe_ctl->policy != BTRFS_EXTENT_ALLOC_CLUSTERED)
return -ENOSPC;
/*
* Don't loop again if we already have no empty_size and
* no empty_cluster.