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Btrfs: remove unnecessary filemap writting and waiting after block group relocation 

We have commited transaction before, remove redundant filemap writting and
waiting here, it can speed up balance relocation process.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Wang Shilong 2013-12-13 18:30:44 +08:00 committed by Chris Mason
parent 5662344b3c
commit 54eb72c05f
1 changed files with 0 additions and 5 deletions
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5
fs/btrfs/relocation.c
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@ -4283,11 +4283,6 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start)
}
}
filemap_write_and_wait_range(fs_info->btree_inode->i_mapping,
rc->block_group->key.objectid,
rc->block_group->key.objectid +
rc->block_group->key.offset - 1);
WARN_ON(rc->block_group->pinned > 0);
WARN_ON(rc->block_group->reserved > 0);
WARN_ON(btrfs_block_group_used(&rc->block_group->item) > 0);