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Btrfs: Various small fixes.

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This trivial patch contains two locking fixes and a off by one fix.

---

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan Zheng
2008-08-04 23:23:47 -04:00
committed by Chris Mason
parent 3de9d6b649
commit b48652c101
5 changed files with 11 additions and 10 deletions
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9
fs/btrfs/transaction.c
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@@ -389,9 +389,7 @@ int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans,
return 0;
}
int btrfs_add_dead_root(struct btrfs_root *root,
struct btrfs_root *latest,
struct list_head *dead_list)
int btrfs_add_dead_root(struct btrfs_root *root, struct btrfs_root *latest)
{
struct btrfs_dirty_root *dirty;
@@ -400,7 +398,10 @@ int btrfs_add_dead_root(struct btrfs_root *root,
return -ENOMEM;
dirty->root = root;
dirty->latest_root = latest;
list_add(&dirty->list, dead_list);
mutex_lock(&root->fs_info->trans_mutex);
list_add(&dirty->list, &latest->fs_info->dead_roots);
mutex_unlock(&root->fs_info->trans_mutex);
return 0;
}