C++ (Cpp) trace_f2fs_fallocate Examples

Example #1

File: file.c Project: davidnguyenwm/Hulk-Kernel

static long f2fs_fallocate(struct file *file, int mode,
				loff_t offset, loff_t len)
{
	struct inode *inode = file_inode(file);
	long ret;

	if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
		return -EOPNOTSUPP;

	mutex_lock(&inode->i_mutex);

	if (mode & FALLOC_FL_PUNCH_HOLE)
		ret = punch_hole(inode, offset, len);
	else
		ret = expand_inode_data(inode, offset, len, mode);

	if (!ret) {
		inode->i_mtime = inode->i_ctime = CURRENT_TIME;
		mark_inode_dirty(inode);
	}

	mutex_unlock(&inode->i_mutex);

	trace_f2fs_fallocate(inode, mode, offset, len, ret);
	return ret;
}

Example #2

static long f2fs_fallocate(struct file *file, int mode,
				loff_t offset, loff_t len)
{
	struct inode *inode = file_inode(file);
	long ret = 0;

	/* f2fs only support ->fallocate for regular file */
	if (!S_ISREG(inode->i_mode))
		return -EINVAL;

	if (f2fs_encrypted_inode(inode) &&
		(mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE)))
		return -EOPNOTSUPP;

	if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE |
			FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE |
			FALLOC_FL_INSERT_RANGE))
		return -EOPNOTSUPP;

	inode_lock(inode);

	if (mode & FALLOC_FL_PUNCH_HOLE) {
		if (offset >= inode->i_size)
			goto out;

		ret = punch_hole(inode, offset, len);
	} else if (mode & FALLOC_FL_COLLAPSE_RANGE) {
		ret = f2fs_collapse_range(inode, offset, len);
	} else if (mode & FALLOC_FL_ZERO_RANGE) {
		ret = f2fs_zero_range(inode, offset, len, mode);
	} else if (mode & FALLOC_FL_INSERT_RANGE) {
		ret = f2fs_insert_range(inode, offset, len);
	} else {
		ret = expand_inode_data(inode, offset, len, mode);
	}

	if (!ret) {
		inode->i_mtime = inode->i_ctime = CURRENT_TIME;
		mark_inode_dirty(inode);
		f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
	}

out:
	inode_unlock(inode);

	trace_f2fs_fallocate(inode, mode, offset, len, ret);
	return ret;
}

Example #3

File: file.c Project: handelxh/ONEPLUS2RAZOR

static long f2fs_fallocate(struct file *file, int mode,
				loff_t offset, loff_t len)
{
	struct inode *inode = file_inode(file);
	long ret = 0;

	if (f2fs_encrypted_inode(inode) &&
		(mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE)))
		return -EOPNOTSUPP;

	if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE |
			FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE |
			FALLOC_FL_INSERT_RANGE))
		return -EOPNOTSUPP;

	mutex_lock(&inode->i_mutex);

	if (mode & FALLOC_FL_PUNCH_HOLE) {
		if (offset >= inode->i_size)
			goto out;

		ret = punch_hole(inode, offset, len);
	} else if (mode & FALLOC_FL_COLLAPSE_RANGE) {
		ret = f2fs_collapse_range(inode, offset, len);
	} else if (mode & FALLOC_FL_ZERO_RANGE) {
		ret = f2fs_zero_range(inode, offset, len, mode);
	} else if (mode & FALLOC_FL_INSERT_RANGE) {
		ret = f2fs_insert_range(inode, offset, len);
	} else {
		ret = expand_inode_data(inode, offset, len, mode);
	}

	if (!ret) {
		inode->i_mtime = inode->i_ctime = CURRENT_TIME;
		mark_inode_dirty(inode);
	}

out:
	mutex_unlock(&inode->i_mutex);

	trace_f2fs_fallocate(inode, mode, offset, len, ret);
	return ret;
}