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author | Chris Mason <chris.mason@oracle.com> | 2008-01-15 08:40:48 -0500 |
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committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:59 -0400 |
commit | cee36a03e8f7c6e14aefd497d3acf01bcd3ef153 (patch) | |
tree | 14195245463be27ab4314da6eb943b146e6c8591 /fs/btrfs/ordered-data.c | |
parent | 61295eb8665e723e77af91d0a1e655a4bd28344f (diff) | |
download | linux-cee36a03e8f7c6e14aefd497d3acf01bcd3ef153.tar.gz linux-cee36a03e8f7c6e14aefd497d3acf01bcd3ef153.tar.bz2 linux-cee36a03e8f7c6e14aefd497d3acf01bcd3ef153.zip |
Rework btrfs_drop_inode to avoid scheduling
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ordered-data.c')
-rw-r--r-- | fs/btrfs/ordered-data.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 411aba84d305..b56011baa17c 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -219,3 +219,39 @@ int btrfs_find_del_first_ordered_inode(struct btrfs_ordered_inode_tree *tree, kfree(entry); return 1; } + +static int __btrfs_del_ordered_inode(struct btrfs_ordered_inode_tree *tree, + u64 root_objectid, u64 objectid) +{ + struct tree_entry *entry; + struct rb_node *node; + struct rb_node *prev; + + write_lock(&tree->lock); + node = __tree_search(&tree->tree, root_objectid, objectid, &prev); + if (!node) { + write_unlock(&tree->lock); + return 0; + } + rb_erase(node, &tree->tree); + write_unlock(&tree->lock); + entry = rb_entry(node, struct tree_entry, rb_node); + kfree(entry); + return 1; +} + +int btrfs_del_ordered_inode(struct inode *inode) +{ + struct btrfs_root *root = BTRFS_I(inode)->root; + u64 root_objectid = root->root_key.objectid; + + spin_lock(&root->fs_info->new_trans_lock); + if (root->fs_info->running_transaction) { + struct btrfs_ordered_inode_tree *tree; + tree = &root->fs_info->running_transaction->ordered_inode_tree; + __btrfs_del_ordered_inode(tree, root_objectid, inode->i_ino); + } + spin_unlock(&root->fs_info->new_trans_lock); + return 0; +} + |