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Btrfs: Add locking around volume management (device add/remove/balance)

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-07-08 14:19:17 -04:00
parent a7a16fd772
commit 7d9eb12c87
6 changed files with 104 additions and 41 deletions
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4
fs/btrfs/ctree.c
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@@ -1251,10 +1251,6 @@ int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root
WARN_ON(p->nodes[0] != NULL);
WARN_ON(cow && root == root->fs_info->extent_root &&
!mutex_is_locked(&root->fs_info->alloc_mutex));
WARN_ON(root == root->fs_info->chunk_root &&
!mutex_is_locked(&root->fs_info->chunk_mutex));
WARN_ON(root == root->fs_info->dev_root &&
!mutex_is_locked(&root->fs_info->chunk_mutex));
if (ins_len < 0)
lowest_unlock = 2;
again: