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| author | Chris Mason <chris.mason@oracle.com> | 2007-08-08 16:08:58 +0200 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-08-08 16:08:58 +0200 |
| commit | f4468e94c86c2031f447788c4bfe7dfd2fcdc93a (patch) | |
| tree | 984a0751f69524cada1113d5504875a0fb5cec35 /fs/btrfs/transaction.c | |
| parent | Btrfs: Added tag v0.6 for changeset c13e9a0bf9b4 (diff) | |
| download | linux-f4468e94c86c2031f447788c4bfe7dfd2fcdc93a.tar.xz linux-f4468e94c86c2031f447788c4bfe7dfd2fcdc93a.zip | |
Btrfs: Let some locks go during defrag and snapshot dropping
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/btrfs/transaction.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 338a7199363b..88b0752550b6 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -354,6 +354,7 @@ int btrfs_defrag_dirty_roots(struct btrfs_fs_info *info) mutex_unlock(&info->fs_mutex); btrfs_btree_balance_dirty(root); + cond_resched(); mutex_lock(&info->fs_mutex); trans = btrfs_start_transaction(tree_root, 1); @@ -394,6 +395,12 @@ static int drop_dirty_roots(struct btrfs_root *tree_root, ret = err; ret = btrfs_end_transaction(trans, tree_root); BUG_ON(ret); + mutex_unlock(&tree_root->fs_info->fs_mutex); + + btrfs_btree_balance_dirty(tree_root); + schedule(); + + mutex_lock(&tree_root->fs_info->fs_mutex); } BUG_ON(ret); ret = btrfs_del_root(trans, tree_root, &dirty->root->root_key); @@ -406,6 +413,7 @@ static int drop_dirty_roots(struct btrfs_root *tree_root, kfree(dirty); mutex_unlock(&tree_root->fs_info->fs_mutex); btrfs_btree_balance_dirty(tree_root); + schedule(); } return ret; } |