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Btrfs: add compat ioctl

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-06-08 15:33:54 -04:00
committed by David Woodhouse
parent fabb568183
commit 08607c1b18
6 changed files with 98 additions and 7 deletions
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4
fs/btrfs/disk-io.c
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@@ -577,6 +577,7 @@ struct btrfs_root *open_ctree(struct super_block *sb)
fs_info->do_barriers = 1;
fs_info->extent_tree_insert_nr = 0;
fs_info->extent_tree_prealloc_nr = 0;
INIT_DELAYED_WORK(&fs_info->trans_work, btrfs_transaction_cleaner);
BTRFS_I(fs_info->btree_inode)->root = tree_root;
memset(&BTRFS_I(fs_info->btree_inode)->location, 0,
sizeof(struct btrfs_key));
@@ -648,7 +649,6 @@ struct btrfs_root *open_ctree(struct super_block *sb)
btrfs_read_block_groups(extent_root);
fs_info->generation = btrfs_super_generation(disk_super) + 1;
memset(&fs_info->kobj, 0, sizeof(fs_info->kobj));
mutex_unlock(&fs_info->fs_mutex);
return tree_root;
}
@@ -746,6 +746,7 @@ int close_ctree(struct btrfs_root *root)
struct btrfs_trans_handle *trans;
struct btrfs_fs_info *fs_info = root->fs_info;
btrfs_transaction_flush_work(root);
mutex_lock(&fs_info->fs_mutex);
trans = btrfs_start_transaction(root, 1);
btrfs_commit_transaction(trans, root);
@@ -776,7 +777,6 @@ int close_ctree(struct btrfs_root *root)
del_fs_roots(fs_info);
kfree(fs_info->extent_root);
kfree(fs_info->tree_root);
kobject_unregister(&fs_info->kobj);
return 0;
}