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Btrfs: cleanup extents after we finish logging inode

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This is based on Josef's "Btrfs: turbo charge fsync".

We should cleanup those extents after we've finished logging inode,
otherwise we may do redundant work on them.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
This commit is contained in:
Liu Bo 2012-08-27 10:52:19 -06:00 committed by Chris Mason
parent 0fa83cdb1d
commit 06d3d22b45
1 changed files with 6 additions and 0 deletions
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6
fs/btrfs/tree-log.c
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@ -3167,6 +3167,12 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
err = ret;
goto out_unlock;
}
} else {
struct extent_map_tree *tree = &BTRFS_I(inode)->extent_tree;
struct extent_map *em, *n;
list_for_each_entry_safe(em, n, &tree->modified_extents, list)
list_del_init(&em->list);
}
if (inode_only == LOG_INODE_ALL && S_ISDIR(inode->i_mode)) {