C++ (Cpp) nilfs_construct_dsync_segment Examples

Example #1

File: file.c Project: robcore/Alucard-Kernel-jfltexx

int nilfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
{
	/*
	 * Called from fsync() system call
	 * This is the only entry point that can catch write and synch
	 * timing for both data blocks and intermediate blocks.
	 *
	 * This function should be implemented when the writeback function
	 * will be implemented.
	 */
	struct inode *inode = file->f_mapping->host;
	int err;

	err = filemap_write_and_wait_range(inode->i_mapping, start, end);
	if (err)
		return err;
	mutex_lock(&inode->i_mutex);

	if (!nilfs_inode_dirty(inode)) {
		mutex_unlock(&inode->i_mutex);
		return 0;
	}

	if (datasync)
		err = nilfs_construct_dsync_segment(inode->i_sb, inode, 0,
						    LLONG_MAX);
	else
		err = nilfs_construct_segment(inode->i_sb);

	mutex_unlock(&inode->i_mutex);
	return err;
}

Example #2

File: inode.c Project: SiddheshK15/WR2-Kernel

static int nilfs_writepages(struct address_space *mapping,
			    struct writeback_control *wbc)
{
	struct inode *inode = mapping->host;
	int err = 0;

	if (wbc->sync_mode == WB_SYNC_ALL)
		err = nilfs_construct_dsync_segment(inode->i_sb, inode,
						    wbc->range_start,
						    wbc->range_end);
	return err;
}

Example #3

File: inode.c Project: battahma/cs444

static int nilfs_writepages(struct address_space *mapping,
			    struct writeback_control *wbc)
{
	struct inode *inode = mapping->host;
	int err = 0;

	if (inode->i_sb->s_flags & MS_RDONLY) {
		nilfs_clear_dirty_pages(mapping, false);
		return -EROFS;
	}

	if (wbc->sync_mode == WB_SYNC_ALL)
		err = nilfs_construct_dsync_segment(inode->i_sb, inode,
						    wbc->range_start,
						    wbc->range_end);
	return err;
}

Example #4

File: inode.c Project: traveller42/linux-2.6.28.mx233-falconwing

static int nilfs_writepages(struct address_space *mapping,
			    struct writeback_control *wbc)
{
	struct inode *inode = mapping->host;
	int err = 0;

#if NEED_WB_SYNC_NONE_CHECK_FOR_DO_SYNC_MAPPING_RANGE
	if (wbc->sync_mode == WB_SYNC_ALL ||
	    (wbc->sync_mode == WB_SYNC_NONE && !current_is_pdflush()))
#else
	if (wbc->sync_mode == WB_SYNC_ALL)
#endif
		err = nilfs_construct_dsync_segment(inode->i_sb, inode,
						    wbc->range_start,
						    wbc->range_end);
	return err;
}

Example #5

File: file.c Project: AD5GB/kernel_n5_3.10-experimental

int nilfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
{
	/*
	 * Called from fsync() system call
	 * This is the only entry point that can catch write and synch
	 * timing for both data blocks and intermediate blocks.
	 *
	 * This function should be implemented when the writeback function
	 * will be implemented.
	 */
	struct the_nilfs *nilfs;
	struct inode *inode = file->f_mapping->host;
	int err;

	err = filemap_write_and_wait_range(inode->i_mapping, start, end);
	if (err)
		return err;
	mutex_lock(&inode->i_mutex);

	if (nilfs_inode_dirty(inode)) {
		if (datasync)
			err = nilfs_construct_dsync_segment(inode->i_sb, inode,
							    0, LLONG_MAX);
		else
			err = nilfs_construct_segment(inode->i_sb);
	}
	mutex_unlock(&inode->i_mutex);

	nilfs = inode->i_sb->s_fs_info;
	if (!err && nilfs_test_opt(nilfs, BARRIER)) {
		err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
		if (err != -EIO)
			err = 0;
	}
	return err;
}

Example #6

File: file.c Project: MiniBlu/cm11_kernel_htc_msm8974a3ul

int nilfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
{
	struct inode *inode = file->f_mapping->host;
	int err;

	err = filemap_write_and_wait_range(inode->i_mapping, start, end);
	if (err)
		return err;
	mutex_lock(&inode->i_mutex);

	if (!nilfs_inode_dirty(inode)) {
		mutex_unlock(&inode->i_mutex);
		return 0;
	}

	if (datasync)
		err = nilfs_construct_dsync_segment(inode->i_sb, inode, 0,
						    LLONG_MAX);
	else
		err = nilfs_construct_segment(inode->i_sb);

	mutex_unlock(&inode->i_mutex);
	return err;
}

Example #7

File: file.c Project: rrowicki/Chrono_Kernel-1

int nilfs_sync_file(struct file *file, int datasync)
{
	/*
	 * Called from fsync() system call
	 * This is the only entry point that can catch write and synch
	 * timing for both data blocks and intermediate blocks.
	 *
	 * This function should be implemented when the writeback function
	 * will be implemented.
	 */
	struct inode *inode = file->f_mapping->host;
	int err;

	if (!nilfs_inode_dirty(inode))
		return 0;

	if (datasync)
		err = nilfs_construct_dsync_segment(inode->i_sb, inode, 0,
						    LLONG_MAX);
	else
		err = nilfs_construct_segment(inode->i_sb);

	return err;
}