C++ (Cpp) v1_dqoff Examples

Example #1

File: quota_v1.c Project: 020gzh/linux

static int v1_commit_dqblk(struct dquot *dquot)
{
	short type = dquot->dq_id.type;
	ssize_t ret;
	struct v1_disk_dqblk dqblk;

	v1_mem2disk_dqblk(&dqblk, &dquot->dq_dqb);
	if (((type == USRQUOTA) && uid_eq(dquot->dq_id.uid, GLOBAL_ROOT_UID)) ||
	    ((type == GRPQUOTA) && gid_eq(dquot->dq_id.gid, GLOBAL_ROOT_GID))) {
		dqblk.dqb_btime =
			sb_dqopt(dquot->dq_sb)->info[type].dqi_bgrace;
		dqblk.dqb_itime =
			sb_dqopt(dquot->dq_sb)->info[type].dqi_igrace;
	}
	ret = 0;
	if (sb_dqopt(dquot->dq_sb)->files[type])
		ret = dquot->dq_sb->s_op->quota_write(dquot->dq_sb, type,
			(char *)&dqblk, sizeof(struct v1_disk_dqblk),
			v1_dqoff(from_kqid(&init_user_ns, dquot->dq_id)));
	if (ret != sizeof(struct v1_disk_dqblk)) {
		quota_error(dquot->dq_sb, "dquota write failed");
		if (ret >= 0)
			ret = -EIO;
		goto out;
	}
	ret = 0;

out:
	dqstats_inc(DQST_WRITES);

	return ret;
}

Example #2

File: quota_v1.c Project: AlexShiLucky/linux

static int v1_read_dqblk(struct dquot *dquot)
{
	int type = dquot->dq_id.type;
	struct v1_disk_dqblk dqblk;
	struct quota_info *dqopt = sb_dqopt(dquot->dq_sb);

	if (!dqopt->files[type])
		return -EINVAL;

	/* Set structure to 0s in case read fails/is after end of file */
	memset(&dqblk, 0, sizeof(struct v1_disk_dqblk));
	dquot->dq_sb->s_op->quota_read(dquot->dq_sb, type, (char *)&dqblk,
			sizeof(struct v1_disk_dqblk),
			v1_dqoff(from_kqid(&init_user_ns, dquot->dq_id)));

	v1_disk2mem_dqblk(&dquot->dq_dqb, &dqblk);
	if (dquot->dq_dqb.dqb_bhardlimit == 0 &&
	    dquot->dq_dqb.dqb_bsoftlimit == 0 &&
	    dquot->dq_dqb.dqb_ihardlimit == 0 &&
	    dquot->dq_dqb.dqb_isoftlimit == 0)
		set_bit(DQ_FAKE_B, &dquot->dq_flags);
	dqstats_inc(DQST_READS);

	return 0;
}

Example #3

File: quota_v1.c Project: LouZiffer/m900_kernel_cupcake-SDX

static int v1_commit_dqblk(struct dquot *dquot)
{
	short type = dquot->dq_type;
	ssize_t ret;
	struct v1_disk_dqblk dqblk;

	v1_mem2disk_dqblk(&dqblk, &dquot->dq_dqb);
	if (dquot->dq_id == 0) {
		dqblk.dqb_btime = sb_dqopt(dquot->dq_sb)->info[type].dqi_bgrace;
		dqblk.dqb_itime = sb_dqopt(dquot->dq_sb)->info[type].dqi_igrace;
	}
	ret = 0;
	if (sb_dqopt(dquot->dq_sb)->files[type])
		ret = dquot->dq_sb->s_op->quota_write(dquot->dq_sb, type, (char *)&dqblk,
					sizeof(struct v1_disk_dqblk), v1_dqoff(dquot->dq_id));
	if (ret != sizeof(struct v1_disk_dqblk)) {
		printk(KERN_WARNING "VFS: dquota write failed on dev %s\n",
			dquot->dq_sb->s_id);
		if (ret >= 0)
			ret = -EIO;
		goto out;
	}
	ret = 0;

out:
	dqstats.writes++;

	return ret;
}

Example #4

File: quota_v1.c Project: rrowicki/Chrono_Kernel-1

static int v1_commit_dqblk(struct dquot *dquot)
{
	short type = dquot->dq_type;
	ssize_t ret;
	struct v1_disk_dqblk dqblk;

	v1_mem2disk_dqblk(&dqblk, &dquot->dq_dqb);
	if (dquot->dq_id == 0) {
		dqblk.dqb_btime =
			sb_dqopt(dquot->dq_sb)->info[type].dqi_bgrace;
		dqblk.dqb_itime =
			sb_dqopt(dquot->dq_sb)->info[type].dqi_igrace;
	}
	ret = 0;
	if (sb_dqopt(dquot->dq_sb)->files[type])
		ret = dquot->dq_sb->s_op->quota_write(dquot->dq_sb, type,
			(char *)&dqblk, sizeof(struct v1_disk_dqblk),
			v1_dqoff(dquot->dq_id));
	if (ret != sizeof(struct v1_disk_dqblk)) {
		quota_error(dquot->dq_sb, "dquota write failed");
		if (ret >= 0)
			ret = -EIO;
		goto out;
	}
	ret = 0;

out:
	dqstats_inc(DQST_WRITES);

	return ret;
}

Example #5

File: quota_v1.c Project: LouZiffer/m900_kernel_cupcake-SDX

static int v1_read_dqblk(struct dquot *dquot)
{
	int type = dquot->dq_type;
	struct v1_disk_dqblk dqblk;

	if (!sb_dqopt(dquot->dq_sb)->files[type])
		return -EINVAL;

	/* Set structure to 0s in case read fails/is after end of file */
	memset(&dqblk, 0, sizeof(struct v1_disk_dqblk));
	dquot->dq_sb->s_op->quota_read(dquot->dq_sb, type, (char *)&dqblk, sizeof(struct v1_disk_dqblk), v1_dqoff(dquot->dq_id));

	v1_disk2mem_dqblk(&dquot->dq_dqb, &dqblk);
	if (dquot->dq_dqb.dqb_bhardlimit == 0 && dquot->dq_dqb.dqb_bsoftlimit == 0 &&
	    dquot->dq_dqb.dqb_ihardlimit == 0 && dquot->dq_dqb.dqb_isoftlimit == 0)
		set_bit(DQ_FAKE_B, &dquot->dq_flags);
	dqstats.reads++;

	return 0;
}