sbp[0]->s_state =
cpu_to_le16(le16_to_cpu(sbp[0]->s_state) & ~NILFS_VALID_FS);
/* synchronize sbp[1] with sbp[0] */
- memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
+ if (sbp[1])
+ memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
return nilfs_commit_super(sbi, NILFS_SB_COMMIT_ALL);
}
{
struct nilfs_super_data sd;
struct super_block *s;
- fmode_t mode = FMODE_READ;
+ fmode_t mode = FMODE_READ | FMODE_EXCL;
struct dentry *root_dentry;
int err, s_new = false;
if (!(flags & MS_RDONLY))
mode |= FMODE_WRITE;
- sd.bdev = open_bdev_exclusive(dev_name, mode, fs_type);
+ sd.bdev = blkdev_get_by_path(dev_name, mode, fs_type);
if (IS_ERR(sd.bdev))
return ERR_CAST(sd.bdev);
}
if (!s_new)
- close_bdev_exclusive(sd.bdev, mode);
+ blkdev_put(sd.bdev, mode);
return root_dentry;
failed:
if (!s_new)
- close_bdev_exclusive(sd.bdev, mode);
+ blkdev_put(sd.bdev, mode);
return ERR_PTR(err);
}