11  *     http://www.apache.org/licenses/LICENSE-2.0
29 #include "disk.h"
42  *   vnode - reference to the vnode of a block driver opened by open_blockdriver
47  *   EINVAL  - vnode is NULL
48  *   ENOTBLK - The vnode is not a block driver
56   los_disk *disk = NULL;  in close_blockdriver()  local
61   if (vnode_ptr == NULL || vnode_ptr->data == NULL)  in close_blockdriver()
63       ret = -EINVAL;  in close_blockdriver()
67   bop = (struct block_operations*)(((struct drv_data*)vnode_ptr->data)->ops);  in close_blockdriver()
71       ret = -EINVAL;  in close_blockdriver()
77   if (vnode_ptr->type != VNODE_TYPE_BLK)  in close_blockdriver()
80       ret = -ENOTBLK;  in close_blockdriver()
88       disk = get_disk(part->disk_id);  in close_blockdriver()
89       if (disk == NULL)  in close_blockdriver()
91           ret = -EINVAL;  in close_blockdriver()
95       if (pthread_mutex_lock(&disk->disk_mutex) != ENOERR)  in close_blockdriver()
98           return -EAGAIN;  in close_blockdriver()
101       if (disk->disk_status == STAT_INUSED)  in close_blockdriver()
108           if (bop->close != NULL)  in close_blockdriver()
110               ret = bop->close(vnode_ptr);  in close_blockdriver()
114       if (pthread_mutex_unlock(&disk->disk_mutex) != ENOERR)  in close_blockdriver()
122       if (bop->close != NULL)  in close_blockdriver()
124           ret = bop->close(vnode_ptr);  in close_blockdriver()