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Btrfs: Do more extensive readahead during tree searches

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-08-27 16:49:44 -04:00
committed by David Woodhouse
parent 3202061128
commit 2cc58cf24f
3 changed files with 52 additions and 16 deletions
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4
fs/btrfs/extent-tree.c
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@@ -52,7 +52,7 @@ static int cache_block_group(struct btrfs_root *root,
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;
path->reada = 1;
path->reada = 2;
key.objectid = block_group->key.objectid;
key.flags = 0;
key.offset = 0;
@@ -1015,7 +1015,7 @@ check_failed:
ins->objectid = search_start;
ins->offset = 0;
start_found = 0;
path->reada = 1;
path->reada = 2;
ret = btrfs_search_slot(trans, root, ins, path, 0, 0);
if (ret < 0)