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authorChris Mason <chris.mason@oracle.com>2011-05-22 13:07:01 +0200
committerChris Mason <chris.mason@oracle.com>2011-05-22 13:07:01 +0200
commitdcc6d073225b6b732a52477c91bd4edc9b4d5502 (patch)
tree71da6844bb03c940c87c01a2a1f8c2e11cf85238 /fs/btrfs/transaction.c
parentMerge branch 'ino-alloc' of git://repo.or.cz/linux-btrfs-devel into inode_num... (diff)
parentbtrfs: implement delayed inode items operation (diff)
downloadlinux-dcc6d073225b6b732a52477c91bd4edc9b4d5502.tar.xz
linux-dcc6d073225b6b732a52477c91bd4edc9b4d5502.zip
Merge branch 'delayed_inode' into inode_numbers
Conflicts: fs/btrfs/inode.c fs/btrfs/ioctl.c fs/btrfs/transaction.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/transaction.c')
-rw-r--r--fs/btrfs/transaction.c45
1 files changed, 41 insertions, 4 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 4d1dbcbbaf41..8e7e72341555 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -488,19 +488,40 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
int btrfs_end_transaction(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
{
- return __btrfs_end_transaction(trans, root, 0, 1);
+ int ret;
+
+ ret = __btrfs_end_transaction(trans, root, 0, 1);
+ if (ret)
+ return ret;
+ return 0;
}
int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
{
- return __btrfs_end_transaction(trans, root, 1, 1);
+ int ret;
+
+ ret = __btrfs_end_transaction(trans, root, 1, 1);
+ if (ret)
+ return ret;
+ return 0;
}
int btrfs_end_transaction_nolock(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
{
- return __btrfs_end_transaction(trans, root, 0, 0);
+ int ret;
+
+ ret = __btrfs_end_transaction(trans, root, 0, 0);
+ if (ret)
+ return ret;
+ return 0;
+}
+
+int btrfs_end_transaction_dmeta(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root)
+{
+ return __btrfs_end_transaction(trans, root, 1, 1);
}
/*
@@ -974,7 +995,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
BUG_ON(ret);
ret = btrfs_insert_dir_item(trans, parent_root,
dentry->d_name.name, dentry->d_name.len,
- btrfs_ino(parent_inode), &key,
+ parent_inode, &key,
BTRFS_FT_DIR, index);
BUG_ON(ret);
@@ -1044,6 +1065,14 @@ static noinline int create_pending_snapshots(struct btrfs_trans_handle *trans,
int ret;
list_for_each_entry(pending, head, list) {
+ /*
+ * We must deal with the delayed items before creating
+ * snapshots, or we will create a snapthot with inconsistent
+ * information.
+ */
+ ret = btrfs_run_delayed_items(trans, fs_info->fs_root);
+ BUG_ON(ret);
+
ret = create_pending_snapshot(trans, fs_info, pending);
BUG_ON(ret);
}
@@ -1297,6 +1326,9 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
BUG_ON(ret);
}
+ ret = btrfs_run_delayed_items(trans, root);
+ BUG_ON(ret);
+
/*
* rename don't use btrfs_join_transaction, so, once we
* set the transaction to blocked above, we aren't going
@@ -1323,6 +1355,9 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
ret = create_pending_snapshots(trans, root->fs_info);
BUG_ON(ret);
+ ret = btrfs_run_delayed_items(trans, root);
+ BUG_ON(ret);
+
ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
BUG_ON(ret);
@@ -1439,6 +1474,8 @@ int btrfs_clean_old_snapshots(struct btrfs_root *root)
root = list_entry(list.next, struct btrfs_root, root_list);
list_del(&root->root_list);
+ btrfs_kill_all_delayed_nodes(root);
+
if (btrfs_header_backref_rev(root->node) <
BTRFS_MIXED_BACKREF_REV)
btrfs_drop_snapshot(root, NULL, 0);