C++ (Cpp) dquot_transfer Examples

Example #1

File: recovery.c Project: avagin/linux

static int recover_quota_data(struct inode *inode, struct page *page)
{
	struct f2fs_inode *raw = F2FS_INODE(page);
	struct iattr attr;
	uid_t i_uid = le32_to_cpu(raw->i_uid);
	gid_t i_gid = le32_to_cpu(raw->i_gid);
	int err;

	memset(&attr, 0, sizeof(attr));

	attr.ia_uid = make_kuid(inode->i_sb->s_user_ns, i_uid);
	attr.ia_gid = make_kgid(inode->i_sb->s_user_ns, i_gid);

	if (!uid_eq(attr.ia_uid, inode->i_uid))
		attr.ia_valid |= ATTR_UID;
	if (!gid_eq(attr.ia_gid, inode->i_gid))
		attr.ia_valid |= ATTR_GID;

	if (!attr.ia_valid)
		return 0;

	err = dquot_transfer(inode, &attr);
	if (err)
		set_sbi_flag(F2FS_I_SB(inode), SBI_QUOTA_NEED_REPAIR);
	return err;
}

Example #2

int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
{
	struct inode *inode = dentry->d_inode;
	int rc;

	rc = inode_change_ok(inode, iattr);
	if (rc)
		return rc;

	if (is_quota_modification(inode, iattr))
		dquot_initialize(inode);
	if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
	    (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
		rc = dquot_transfer(inode, iattr);
		if (rc)
			return rc;
	}

	if ((iattr->ia_valid & ATTR_SIZE) &&
	    iattr->ia_size != i_size_read(inode)) {
		inode_dio_wait(inode);

		rc = vmtruncate(inode, iattr->ia_size);
		if (rc)
			return rc;
	}

	setattr_copy(inode, iattr);
	mark_inode_dirty(inode);

	if (iattr->ia_valid & ATTR_MODE)
		rc = jfs_acl_chmod(inode);
	return rc;
}

Example #3

File: file.c Project: AshishNamdev/linux

int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
{
	struct inode *inode = d_inode(dentry);
	int rc;

	rc = setattr_prepare(dentry, iattr);
	if (rc)
		return rc;

	if (is_quota_modification(inode, iattr)) {
		rc = dquot_initialize(inode);
		if (rc)
			return rc;
	}
	if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
	    (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
		rc = dquot_transfer(inode, iattr);
		if (rc)
			return rc;
	}

	if ((iattr->ia_valid & ATTR_SIZE) &&
	    iattr->ia_size != i_size_read(inode)) {
		inode_dio_wait(inode);

		rc = inode_newsize_ok(inode, iattr->ia_size);
		if (rc)
			return rc;

		truncate_setsize(inode, iattr->ia_size);
		jfs_truncate(inode);
	}

	setattr_copy(inode, iattr);
	mark_inode_dirty(inode);

	if (iattr->ia_valid & ATTR_MODE)
		rc = posix_acl_chmod(inode, inode->i_mode);
	return rc;
}