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Btrfs: Optimize allocations as we need to mix data and metadata into one group

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-11-06 10:26:29 -05:00
parent a273208edd
commit f84a8b362d
3 changed files with 43 additions and 7 deletions
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6
fs/btrfs/tree-defrag.c
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@@ -58,6 +58,10 @@ static int defrag_walk_down(struct btrfs_trans_handle *trans,
if (root->fs_info->extent_root == root)
is_extent = 1;
if (*level == 1 && cache_only && path->nodes[1] &&
!btrfs_buffer_defrag(path->nodes[1])) {
goto out;
}
while(*level > 0) {
WARN_ON(*level < 0);
WARN_ON(*level >= BTRFS_MAX_LEVEL);
@@ -116,7 +120,7 @@ static int defrag_walk_down(struct btrfs_trans_handle *trans,
WARN_ON(*level >= BTRFS_MAX_LEVEL);
btrfs_clear_buffer_defrag(path->nodes[*level]);
out:
free_extent_buffer(path->nodes[*level]);
path->nodes[*level] = NULL;
*level += 1;