예제 #1
0
파일: file.c 프로젝트: 513855417/linux
/*
 * Push all data for a specific file onto permanent storage.
 */
static int orangefs_fsync(struct file *file,
		       loff_t start,
		       loff_t end,
		       int datasync)
{
	int ret = -EINVAL;
	struct orangefs_inode_s *orangefs_inode =
		ORANGEFS_I(file->f_path.dentry->d_inode);
	struct orangefs_kernel_op_s *new_op = NULL;

	/* required call */
	filemap_write_and_wait_range(file->f_mapping, start, end);

	new_op = op_alloc(ORANGEFS_VFS_OP_FSYNC);
	if (!new_op)
		return -ENOMEM;
	new_op->upcall.req.fsync.refn = orangefs_inode->refn;

	ret = service_operation(new_op,
			"orangefs_fsync",
			get_interruptible_flag(file->f_path.dentry->d_inode));

	gossip_debug(GOSSIP_FILE_DEBUG,
		     "orangefs_fsync got return value of %d\n",
		     ret);

	op_release(new_op);

	orangefs_flush_inode(file->f_path.dentry->d_inode);
	return ret;
}
예제 #2
0
파일: file.c 프로젝트: mkrufky/linux
/*
 * Called to notify the module that there are no more references to
 * this file (i.e. no processes have it open).
 *
 * \note Not called when each file is closed.
 */
static int orangefs_file_release(struct inode *inode, struct file *file)
{
	gossip_debug(GOSSIP_FILE_DEBUG,
		     "orangefs_file_release: called on %pD\n",
		     file);

	orangefs_flush_inode(inode);

	/*
	 * remove all associated inode pages from the page cache and
	 * readahead cache (if any); this forces an expensive refresh of
	 * data for the next caller of mmap (or 'get_block' accesses)
	 */
	if (file_inode(file) &&
	    file_inode(file)->i_mapping &&
	    mapping_nrpages(&file_inode(file)->i_data)) {
		if (orangefs_features & ORANGEFS_FEATURE_READAHEAD) {
			gossip_debug(GOSSIP_INODE_DEBUG,
			    "calling flush_racache on %pU\n",
			    get_khandle_from_ino(inode));
			flush_racache(inode);
			gossip_debug(GOSSIP_INODE_DEBUG,
			    "flush_racache finished\n");
		}
		truncate_inode_pages(file_inode(file)->i_mapping,
				     0);
	}
	return 0;
}
예제 #3
0
파일: file.c 프로젝트: mkrufky/linux
/*
 * Push all data for a specific file onto permanent storage.
 */
static int orangefs_fsync(struct file *file,
		       loff_t start,
		       loff_t end,
		       int datasync)
{
	int ret;
	struct orangefs_inode_s *orangefs_inode =
		ORANGEFS_I(file_inode(file));
	struct orangefs_kernel_op_s *new_op = NULL;

	new_op = op_alloc(ORANGEFS_VFS_OP_FSYNC);
	if (!new_op)
		return -ENOMEM;
	new_op->upcall.req.fsync.refn = orangefs_inode->refn;

	ret = service_operation(new_op,
			"orangefs_fsync",
			get_interruptible_flag(file_inode(file)));

	gossip_debug(GOSSIP_FILE_DEBUG,
		     "orangefs_fsync got return value of %d\n",
		     ret);

	op_release(new_op);

	orangefs_flush_inode(file_inode(file));
	return ret;
}
예제 #4
0
파일: acl.c 프로젝트: AshishNamdev/linux
int orangefs_init_acl(struct inode *inode, struct inode *dir)
{
	struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
	struct posix_acl *default_acl, *acl;
	umode_t mode = inode->i_mode;
	int error = 0;

	ClearModeFlag(orangefs_inode);

	error = posix_acl_create(dir, &mode, &default_acl, &acl);
	if (error)
		return error;

	if (default_acl) {
		error = orangefs_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
		posix_acl_release(default_acl);
	}

	if (acl) {
		if (!error)
			error = orangefs_set_acl(inode, acl, ACL_TYPE_ACCESS);
		posix_acl_release(acl);
	}

	/* If mode of the inode was changed, then do a forcible ->setattr */
	if (mode != inode->i_mode) {
		SetModeFlag(orangefs_inode);
		inode->i_mode = mode;
		orangefs_flush_inode(inode);
	}

	return error;
}
예제 #5
0
파일: file.c 프로젝트: 513855417/linux
/*
 * Called to notify the module that there are no more references to
 * this file (i.e. no processes have it open).
 *
 * \note Not called when each file is closed.
 */
static int orangefs_file_release(struct inode *inode, struct file *file)
{
	gossip_debug(GOSSIP_FILE_DEBUG,
		     "orangefs_file_release: called on %s\n",
		     file->f_path.dentry->d_name.name);

	orangefs_flush_inode(inode);

	/*
	 * remove all associated inode pages from the page cache and mmap
	 * readahead cache (if any); this forces an expensive refresh of
	 * data for the next caller of mmap (or 'get_block' accesses)
	 */
	if (file->f_path.dentry->d_inode &&
	    file->f_path.dentry->d_inode->i_mapping &&
	    mapping_nrpages(&file->f_path.dentry->d_inode->i_data))
		truncate_inode_pages(file->f_path.dentry->d_inode->i_mapping,
				     0);
	return 0;
}